Sara/behaviour-tree-test
1
0
Fork 0
Code Issues Pull requests Projects Releases 2 Packages Wiki Activity Actions

Update HarfBuzz to 11.2.1

Browse source
This commit is contained in:
Pāvels Nadtočajevs 2025-04-17 09:24:20 +03:00
parent 591e70ff78
commit 8e75a3711e
No known key found for this signature in database
GPG key ID: 8413210218EF35D2
132 changed files with 8540 additions and 5308 deletions
Download patch file Download diff file Expand all files Collapse all files

1
modules/text_server_adv/SCsub
View file

@ -83,6 +83,7 @@ if env["builtin_harfbuzz"]:
"src/hb-ot-tag.cc",
"src/hb-ot-var.cc",
"src/hb-outline.cc",
"src/hb-paint-bounded.cc",
"src/hb-paint-extents.cc",
"src/hb-paint.cc",
"src/hb-set.cc",

1
modules/text_server_adv/gdextension_build/SConstruct
View file

@ -347,6 +347,7 @@ thirdparty_harfbuzz_sources = [
"src/hb-ot-tag.cc",
"src/hb-ot-var.cc",
"src/hb-outline.cc",
"src/hb-paint-bounded.cc",
"src/hb-paint-extents.cc",
"src/hb-paint.cc",
"src/hb-set.cc",

2
thirdparty/README.md vendored
View file

@ -436,7 +436,7 @@ Patches:
## harfbuzz
- Upstream: https://github.com/harfbuzz/harfbuzz
- Version: 10.4.0 (3ef8709829a5884517ad91a97b32b9435b2f20d1, 2025)
- Version: 11.2.1 (33a3f8de60dcad7535f14f07d6710144548853ac, 2025)
- License: MIT
Files extracted from upstream source:

14
thirdparty/harfbuzz/src/OT/Color/CBDT/CBDT.hh vendored
View file

@ -949,25 +949,25 @@ struct CBDT
hb_glyph_extents_t extents;
hb_glyph_extents_t pixel_extents;
hb_blob_t *blob = reference_png (font, glyph);
if (unlikely (blob == hb_blob_get_empty ()))
return false;
if (unlikely (!hb_font_get_glyph_extents (font, glyph, &extents)))
if (unlikely (!font->get_glyph_extents (glyph, &extents, false)))
return false;
if (unlikely (!get_extents (font, glyph, &pixel_extents, false)))
return false;
hb_blob_t *blob = reference_png (font, glyph);
if (unlikely (hb_blob_is_immutable (blob)))
return false;
bool ret = funcs->image (data,
blob,
pixel_extents.width, -pixel_extents.height,
HB_PAINT_IMAGE_FORMAT_PNG,
font->slant_xy,
0.f,
&extents);
hb_blob_destroy (blob);
return ret;
}

158
thirdparty/harfbuzz/src/OT/Color/COLR/COLR.hh vendored
View file

@ -33,6 +33,7 @@
#include "../../../hb-open-type.hh"
#include "../../../hb-ot-var-common.hh"
#include "../../../hb-paint.hh"
#include "../../../hb-paint-bounded.hh"
#include "../../../hb-paint-extents.hh"
#include "../CPAL/CPAL.hh"
@ -47,6 +48,12 @@ namespace OT {
struct hb_paint_context_t;
}
struct hb_colr_scratch_t
{
hb_paint_bounded_context_t paint_bounded;
hb_paint_extents_context_t paint_extents;
};
namespace OT {
struct COLR;
@ -90,12 +97,27 @@ public:
font (font_),
palette (
#ifndef HB_NO_COLOR
font->face->table.CPAL->get_palette_colors (palette_)
// https://github.com/harfbuzz/harfbuzz/issues/5116
font->face->table.CPAL->get_palette_colors (palette_ < font->face->table.CPAL->get_palette_count () ? palette_ : 0)
#endif
),
foreground (foreground_),
instancer (instancer_)
{ }
{
if (font->is_synthetic ())
{
font = hb_font_create_sub_font (font);
hb_font_set_synthetic_bold (font, 0, 0, true);
hb_font_set_synthetic_slant (font, 0);
}
else
hb_font_reference (font);
}
~hb_paint_context_t ()
{
hb_font_destroy (font);
}
hb_color_t get_color (unsigned int color_index, float alpha, hb_bool_t *is_foreground)
{
@ -932,9 +954,9 @@ struct PaintGlyph
void paint_glyph (hb_paint_context_t *c) const
{
TRACE_PAINT (this);
c->funcs->push_inverse_root_transform (c->data, c->font);
c->funcs->push_inverse_font_transform (c->data, c->font);
c->funcs->push_clip_glyph (c->data, gid, c->font);
c->funcs->push_root_transform (c->data, c->font);
c->funcs->push_font_transform (c->data, c->font);
c->recurse (this+paint);
c->funcs->pop_transform (c->data);
c->funcs->pop_clip (c->data);
@ -1511,10 +1533,12 @@ struct PaintComposite
void paint_glyph (hb_paint_context_t *c) const
{
TRACE_PAINT (this);
c->funcs->push_group (c->data);
c->recurse (this+backdrop);
c->funcs->push_group (c->data);
c->recurse (this+src);
c->funcs->pop_group (c->data, (hb_paint_composite_mode_t) (int) mode);
c->funcs->pop_group (c->data, HB_PAINT_COMPOSITE_MODE_SRC_OVER);
}
HBUINT8 format; /* format = 32 */
@ -1612,7 +1636,7 @@ struct ClipBox
void closurev1 (hb_colrv1_closure_context_t* c) const
{
switch (u.format) {
case 2: u.format2.closurev1 (c);
case 2: u.format2.closurev1 (c); return;
default:return;
}
}
@ -2079,6 +2103,8 @@ struct COLR
{
static constexpr hb_tag_t tableTag = HB_OT_TAG_COLR;
bool has_data () const { return has_v0_data () || version; }
bool has_v0_data () const { return numBaseGlyphs; }
bool has_v1_data () const
{
@ -2112,7 +2138,53 @@ struct COLR
{
accelerator_t (hb_face_t *face)
{ colr = hb_sanitize_context_t ().reference_table<COLR> (face); }
~accelerator_t () { this->colr.destroy (); }
~accelerator_t ()
{
auto *scratch = cached_scratch.get_relaxed ();
if (scratch)
{
scratch->~hb_colr_scratch_t ();
hb_free (scratch);
}
colr.destroy ();
}
bool has_data () const { return colr->has_data (); }
#ifndef HB_NO_PAINT
bool
get_extents (hb_font_t *font,
hb_codepoint_t glyph,
hb_glyph_extents_t *extents) const
{
if (unlikely (!has_data ())) return false;
hb_colr_scratch_t *scratch = acquire_scratch ();
if (unlikely (!scratch)) return true;
bool ret = colr->get_extents (font, glyph, extents, *scratch);
release_scratch (scratch);
return ret;
}
bool paint_glyph (hb_font_t *font,
hb_codepoint_t glyph,
hb_paint_funcs_t *funcs, void *data,
unsigned int palette_index,
hb_color_t foreground,
bool clip = true) const
{
if (unlikely (!has_data ())) return false;
hb_colr_scratch_t *scratch = acquire_scratch ();
if (unlikely (!scratch)) return true;
bool ret = colr->paint_glyph (font, glyph, funcs, data, palette_index, foreground, clip, *scratch);
release_scratch (scratch);
return ret;
}
#endif
bool is_valid () { return colr.get_blob ()->length; }
@ -2148,7 +2220,33 @@ struct COLR
{ return colr->get_delta_set_index_map_ptr (); }
private:
hb_colr_scratch_t *acquire_scratch () const
{
hb_colr_scratch_t *scratch = cached_scratch.get_acquire ();
if (!scratch || unlikely (!cached_scratch.cmpexch (scratch, nullptr)))
{
scratch = (hb_colr_scratch_t *) hb_calloc (1, sizeof (hb_colr_scratch_t));
if (unlikely (!scratch))
return nullptr;
}
return scratch;
}
void release_scratch (hb_colr_scratch_t *scratch) const
{
if (!cached_scratch.cmpexch (nullptr, scratch))
{
scratch->~hb_colr_scratch_t ();
hb_free (scratch);
}
}
public:
hb_blob_ptr_t<COLR> colr;
private:
mutable hb_atomic_t<hb_colr_scratch_t *> cached_scratch;
};
void closure_glyphs (hb_codepoint_t glyph,
@ -2520,7 +2618,10 @@ struct COLR
#ifndef HB_NO_PAINT
bool
get_extents (hb_font_t *font, hb_codepoint_t glyph, hb_glyph_extents_t *extents) const
get_extents (hb_font_t *font,
hb_codepoint_t glyph,
hb_glyph_extents_t *extents,
hb_colr_scratch_t &scratch) const
{
ItemVarStoreInstancer instancer (get_var_store_ptr (),
@ -2534,10 +2635,10 @@ struct COLR
}
auto *extents_funcs = hb_paint_extents_get_funcs ();
hb_paint_extents_context_t extents_data;
bool ret = paint_glyph (font, glyph, extents_funcs, &extents_data, 0, HB_COLOR(0,0,0,0));
scratch.paint_extents.clear ();
bool ret = paint_glyph (font, glyph, extents_funcs, &scratch.paint_extents, 0, HB_COLOR(0,0,0,0), true, scratch);
hb_extents_t e = extents_data.get_extents ();
auto e = scratch.paint_extents.get_extents ();
if (e.is_void ())
{
extents->x_bearing = 0;
@ -2583,7 +2684,12 @@ struct COLR
#ifndef HB_NO_PAINT
bool
paint_glyph (hb_font_t *font, hb_codepoint_t glyph, hb_paint_funcs_t *funcs, void *data, unsigned int palette_index, hb_color_t foreground, bool clip = true) const
paint_glyph (hb_font_t *font,
hb_codepoint_t glyph,
hb_paint_funcs_t *funcs, void *data,
unsigned int palette_index, hb_color_t foreground,
bool clip,
hb_colr_scratch_t &scratch) const
{
ItemVarStoreInstancer instancer (get_var_store_ptr (),
get_delta_set_index_map_ptr (),
@ -2617,26 +2723,26 @@ struct COLR
}
else
{
auto *extents_funcs = hb_paint_extents_get_funcs ();
hb_paint_extents_context_t extents_data;
clip = false;
is_bounded = false;
}
if (!is_bounded)
{
auto *bounded_funcs = hb_paint_bounded_get_funcs ();
scratch.paint_bounded.clear ();
paint_glyph (font, glyph,
extents_funcs, &extents_data,
bounded_funcs, &scratch.paint_bounded,
palette_index, foreground,
false);
false,
scratch);
hb_extents_t extents = extents_data.get_extents ();
is_bounded = extents_data.is_bounded ();
c.funcs->push_clip_rectangle (c.data,
extents.xmin,
extents.ymin,
extents.xmax,
extents.ymax);
is_bounded = scratch.paint_bounded.is_bounded ();
}
}
c.funcs->push_root_transform (c.data, font);
c.funcs->push_font_transform (c.data, font);
if (is_bounded)
c.recurse (*paint);
@ -2714,9 +2820,7 @@ void PaintColrLayers::paint_glyph (hb_paint_context_t *c) const
return;
const Paint &paint = paint_offset_lists.get_paint (i);
c->funcs->push_group (c->data);
c->recurse (paint);
c->funcs->pop_group (c->data, HB_PAINT_COMPOSITE_MODE_SRC_OVER);
}
}
@ -2728,7 +2832,7 @@ void PaintColrGlyph::paint_glyph (hb_paint_context_t *c) const
if (unlikely (!node.visit (gid)))
return;
c->funcs->push_inverse_root_transform (c->data, c->font);
c->funcs->push_inverse_font_transform (c->data, c->font);
if (c->funcs->color_glyph (c->data, gid, c->font))
{
c->funcs->pop_transform (c->data);

13
thirdparty/harfbuzz/src/OT/Color/sbix/sbix.hh vendored
View file

@ -237,27 +237,28 @@ struct sbix
int x_offset = 0, y_offset = 0;
unsigned int strike_ppem = 0;
hb_blob_t *blob = reference_png (font, glyph, &x_offset, &y_offset, &strike_ppem);
hb_glyph_extents_t extents;
hb_glyph_extents_t pixel_extents;
if (blob == hb_blob_get_empty ())
return false;
if (!hb_font_get_glyph_extents (font, glyph, &extents))
if (!font->get_glyph_extents (glyph, &extents, false))
return false;
if (unlikely (!get_extents (font, glyph, &pixel_extents, false)))
return false;
hb_blob_t *blob = reference_png (font, glyph, &x_offset, &y_offset, &strike_ppem);
if (hb_blob_is_immutable (blob))
return false;
bool ret = funcs->image (data,
blob,
pixel_extents.width, -pixel_extents.height,
HB_PAINT_IMAGE_FORMAT_PNG,
font->slant_xy,
0.f,
&extents);
hb_blob_destroy (blob);
return ret;
}

15
thirdparty/harfbuzz/src/OT/Color/svg/svg.hh vendored
View file

@ -104,15 +104,16 @@ struct SVG
if (blob == hb_blob_get_empty ())
return false;
funcs->image (data,
blob,
0, 0,
HB_PAINT_IMAGE_FORMAT_SVG,
font->slant_xy,
nullptr);
bool ret = funcs->image (data,
blob,
0, 0,
HB_PAINT_IMAGE_FORMAT_SVG,
0.f,
nullptr);
hb_blob_destroy (blob);
return true;
return ret;
}
private:

2
thirdparty/harfbuzz/src/OT/Layout/Common/CoverageFormat1.hh vendored
View file

@ -77,7 +77,7 @@ struct CoverageFormat1_3
bool intersects (const hb_set_t *glyphs) const
{
if (glyphArray.len > glyphs->get_population () * hb_bit_storage ((unsigned) glyphArray.len) / 2)
if (glyphArray.len > glyphs->get_population () * hb_bit_storage ((unsigned) glyphArray.len))
{
for (auto g : *glyphs)
if (get_coverage (g) != NOT_COVERED)

2
thirdparty/harfbuzz/src/OT/Layout/Common/CoverageFormat2.hh vendored
View file

@ -120,7 +120,7 @@ struct CoverageFormat2_4
bool intersects (const hb_set_t *glyphs) const
{
if (rangeRecord.len > glyphs->get_population () * hb_bit_storage ((unsigned) rangeRecord.len) / 2)
if (rangeRecord.len > glyphs->get_population () * hb_bit_storage ((unsigned) rangeRecord.len))
{
for (auto g : *glyphs)
if (get_coverage (g) != NOT_COVERED)

24
thirdparty/harfbuzz/src/OT/Layout/GDEF/GDEF.hh vendored
View file

@ -205,20 +205,19 @@ struct CaretValueFormat3
unsigned varidx = (this+deviceTable).get_variation_index ();
hb_pair_t<unsigned, int> *new_varidx_delta;
if (!c->plan->layout_variation_idx_delta_map.has (varidx, &new_varidx_delta))
return_trace (false);
if (c->plan->layout_variation_idx_delta_map.has (varidx, &new_varidx_delta)) {
uint32_t new_varidx = hb_first (*new_varidx_delta);
int delta = hb_second (*new_varidx_delta);
if (delta != 0)
{
if (!c->serializer->check_assign (out->coordinate, coordinate + delta, HB_SERIALIZE_ERROR_INT_OVERFLOW))
return_trace (false);
}
uint32_t new_varidx = hb_first (*new_varidx_delta);
int delta = hb_second (*new_varidx_delta);
if (delta != 0)
{
if (!c->serializer->check_assign (out->coordinate, coordinate + delta, HB_SERIALIZE_ERROR_INT_OVERFLOW))
return_trace (false);
if (new_varidx == HB_OT_LAYOUT_NO_VARIATIONS_INDEX)
return_trace (c->serializer->check_assign (out->caretValueFormat, 1, HB_SERIALIZE_ERROR_INT_OVERFLOW));
}
if (new_varidx == HB_OT_LAYOUT_NO_VARIATIONS_INDEX)
return_trace (c->serializer->check_assign (out->caretValueFormat, 1, HB_SERIALIZE_ERROR_INT_OVERFLOW));
if (!c->serializer->embed (deviceTable))
return_trace (false);
@ -1015,7 +1014,8 @@ struct GDEF
hb_blob_ptr_t<GDEF> table;
#ifndef HB_NO_GDEF_CACHE
hb_vector_t<hb_set_digest_t> mark_glyph_set_digests;
mutable hb_cache_t<21, 3, 8> glyph_props_cache;
mutable hb_cache_t<21, 3> glyph_props_cache;
static_assert (sizeof (glyph_props_cache) == 512, "");
#endif
};

2
thirdparty/harfbuzz/src/OT/Layout/GPOS/CursivePosFormat1.hh vendored
View file

@ -130,7 +130,7 @@ struct CursivePosFormat1
unlikely (!this_record.entryAnchor.sanitize (&c->sanitizer, this))) return_trace (false);
hb_barrier ();
hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
auto &skippy_iter = c->iter_input;
skippy_iter.reset_fast (buffer->idx);
unsigned unsafe_from;
if (unlikely (!skippy_iter.prev (&unsafe_from)))

5
thirdparty/harfbuzz/src/OT/Layout/GPOS/GPOS.hh vendored
View file

@ -152,8 +152,11 @@ GPOS::position_finish_offsets (hb_font_t *font, hb_buffer_t *buffer)
for (unsigned i = 0; i < len; i++)
propagate_attachment_offsets (pos, len, i, direction);
if (unlikely (font->slant))
if (unlikely (font->slant_xy) &&
HB_DIRECTION_IS_HORIZONTAL (direction))
{
/* Slanting shaping results is only supported for horizontal text,
* as it gets weird otherwise. */
for (unsigned i = 0; i < len; i++)
if (unlikely (pos[i].y_offset))
pos[i].x_offset += roundf (font->slant_xy * pos[i].y_offset);

2
thirdparty/harfbuzz/src/OT/Layout/GPOS/MarkBasePosFormat1.hh vendored
View file

@ -119,7 +119,7 @@ struct MarkBasePosFormat1_2
/* Now we search backwards for a non-mark glyph.
* We don't use skippy_iter.prev() to avoid O(n^2) behavior. */
hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
auto &skippy_iter = c->iter_input;
skippy_iter.set_lookup_props (LookupFlag::IgnoreMarks);
if (c->last_base_until > buffer->idx)

2
thirdparty/harfbuzz/src/OT/Layout/GPOS/MarkLigPosFormat1.hh vendored
View file

@ -101,7 +101,7 @@ struct MarkLigPosFormat1_2
/* Now we search backwards for a non-mark glyph */
hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
auto &skippy_iter = c->iter_input;
skippy_iter.set_lookup_props (LookupFlag::IgnoreMarks);
if (c->last_base_until > buffer->idx)

2
thirdparty/harfbuzz/src/OT/Layout/GPOS/MarkMarkPosFormat1.hh vendored
View file

@ -100,7 +100,7 @@ struct MarkMarkPosFormat1_2
if (likely (mark1_index == NOT_COVERED)) return_trace (false);
/* now we search backwards for a suitable mark glyph until a non-mark glyph */
hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
auto &skippy_iter = c->iter_input;
skippy_iter.reset_fast (buffer->idx);
skippy_iter.set_lookup_props (c->lookup_props & ~(uint32_t)LookupFlag::IgnoreFlags);
unsigned unsafe_from;

4
thirdparty/harfbuzz/src/OT/Layout/GPOS/PairPosFormat1.hh vendored
View file

@ -54,7 +54,7 @@ struct PairPosFormat1_3
{
auto &cov = this+coverage;
if (pairSet.len > glyphs->get_population () * hb_bit_storage ((unsigned) pairSet.len) / 4)
if (pairSet.len > glyphs->get_population () * hb_bit_storage ((unsigned) pairSet.len))
{
for (hb_codepoint_t g : glyphs->iter())
{
@ -148,7 +148,7 @@ struct PairPosFormat1_3
#endif
if (index == NOT_COVERED) return_trace (false);
hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
auto &skippy_iter = c->iter_input;
skippy_iter.reset_fast (buffer->idx);
unsigned unsafe_to;
if (unlikely (!skippy_iter.next (&unsafe_to)))

2
thirdparty/harfbuzz/src/OT/Layout/GPOS/PairPosFormat2.hh vendored
View file

@ -179,7 +179,7 @@ struct PairPosFormat2_4 : ValueBase
#endif
if (index == NOT_COVERED) return_trace (false);
hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
auto &skippy_iter = c->iter_input;
skippy_iter.reset_fast (buffer->idx);
unsigned unsafe_to;
if (unlikely (!skippy_iter.next (&unsafe_to)))

2
thirdparty/harfbuzz/src/OT/Layout/GSUB/LigatureSet.hh vendored
View file

@ -96,7 +96,7 @@ struct LigatureSet
*
* This is replicated in ChainRuleSet and RuleSet. */
hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
auto &skippy_iter = c->iter_input;
skippy_iter.reset (c->buffer->idx);
skippy_iter.set_match_func (match_always, nullptr);
skippy_iter.set_glyph_data ((HBUINT16 *) nullptr);

105
thirdparty/harfbuzz/src/OT/Var/VARC/VARC.cc vendored
View file

@ -126,24 +126,18 @@ hb_transforming_pen_get_funcs ()
return static_transforming_pen_funcs.get_unconst ();
}
hb_ubytes_t
VarComponent::get_path_at (hb_font_t *font,
VarComponent::get_path_at (const hb_varc_context_t &c,
hb_codepoint_t parent_gid,
hb_draw_session_t &draw_session,
hb_array_t<const int> coords,
hb_transform_t total_transform,
hb_ubytes_t total_record,
hb_decycler_t *decycler,
signed *edges_left,
signed depth_left,
hb_glyf_scratch_t &scratch,
VarRegionList::cache_t *cache) const
{
const unsigned char *end = total_record.arrayZ + total_record.length;
const unsigned char *record = total_record.arrayZ;
auto &VARC = *font->face->table.VARC->table;
auto &VARC = *c.font->face->table.VARC->table;
auto &varStore = &VARC+VARC.varStore;
#define READ_UINT32VAR(name) \
@ -193,9 +187,9 @@ VarComponent::get_path_at (hb_font_t *font,
// Axis values
auto &axisIndices = scratch.axisIndices;
auto &axisIndices = c.scratch.axisIndices;
axisIndices.clear ();
auto &axisValues = scratch.axisValues;
auto &axisValues = c.scratch.axisValues;
axisValues.clear ();
if (flags & (unsigned) flags_t::HAVE_AXES)
{
@ -222,7 +216,7 @@ VarComponent::get_path_at (hb_font_t *font,
* limit on the max number of coords for now. */
if ((flags & (unsigned) flags_t::RESET_UNSPECIFIED_AXES) ||
coords.length > HB_VAR_COMPOSITE_MAX_AXES)
component_coords = hb_array<int> (font->coords, font->num_coords);
component_coords = hb_array<int> (c.font->coords, c.font->num_coords);
// Transform
@ -316,14 +310,18 @@ VarComponent::get_path_at (hb_font_t *font,
transform.scaleY = transform.scaleX;
total_transform.transform (transform.to_transform ());
total_transform.scale (font->x_mult ? 1.f / font->x_multf : 0.f,
font->y_mult ? 1.f / font->y_multf : 0.f);
total_transform.scale (c.font->x_mult ? 1.f / c.font->x_multf : 0.f,
c.font->y_mult ? 1.f / c.font->y_multf : 0.f);
VARC.get_path_at (font, gid,
draw_session, component_coords, total_transform,
bool same_coords = component_coords.length == coords.length &&
component_coords.arrayZ == coords.arrayZ;
c.depth_left--;
VARC.get_path_at (c, gid,
component_coords, total_transform,
parent_gid,
decycler, edges_left, depth_left - 1,
scratch);
same_coords ? cache : nullptr);
c.depth_left++;
}
#undef PROCESS_TRANSFORM_COMPONENTS
@ -333,16 +331,12 @@ VarComponent::get_path_at (hb_font_t *font,
}
bool
VARC::get_path_at (hb_font_t *font,
VARC::get_path_at (const hb_varc_context_t &c,
hb_codepoint_t glyph,
hb_draw_session_t &draw_session,
hb_array_t<const int> coords,
hb_transform_t transform,
hb_codepoint_t parent_glyph,
hb_decycler_t *decycler,
signed *edges_left,
signed depth_left,
hb_glyf_scratch_t &scratch) const
VarRegionList::cache_t *parent_cache) const
{
// Don't recurse on the same glyph.
unsigned idx = glyph == parent_glyph ?
@ -350,50 +344,69 @@ VARC::get_path_at (hb_font_t *font,
(this+coverage).get_coverage (glyph);
if (idx == NOT_COVERED)
{
// Build a transforming pen to apply the transform.
hb_draw_funcs_t *transformer_funcs = hb_transforming_pen_get_funcs ();
hb_transforming_pen_context_t context {transform,
draw_session.funcs,
draw_session.draw_data,
&draw_session.st};
hb_draw_session_t transformer_session {transformer_funcs, &context};
hb_draw_session_t &shape_draw_session = transform.is_identity () ? draw_session : transformer_session;
if (c.draw_session)
{
// Build a transforming pen to apply the transform.
hb_draw_funcs_t *transformer_funcs = hb_transforming_pen_get_funcs ();
hb_transforming_pen_context_t context {transform,
c.draw_session->funcs,
c.draw_session->draw_data,
&c.draw_session->st};
hb_draw_session_t transformer_session {transformer_funcs, &context};
hb_draw_session_t &shape_draw_session = transform.is_identity () ? *c.draw_session : transformer_session;
if (!font->face->table.glyf->get_path_at (font, glyph, shape_draw_session, coords, scratch))
if (c.font->face->table.glyf->get_path_at (c.font, glyph, shape_draw_session, coords, c.scratch.glyf_scratch)) return true;
#ifndef HB_NO_CFF
if (!font->face->table.cff2->get_path_at (font, glyph, shape_draw_session, coords))
if (!font->face->table.cff1->get_path (font, glyph, shape_draw_session)) // Doesn't have variations
if (c.font->face->table.cff2->get_path_at (c.font, glyph, shape_draw_session, coords)) return true;
if (c.font->face->table.cff1->get_path (c.font, glyph, shape_draw_session)) return true; // Doesn't have variations
#endif
return false;
}
else if (c.extents)
{
hb_glyph_extents_t glyph_extents;
if (!c.font->face->table.glyf->get_extents_at (c.font, glyph, &glyph_extents, coords))
#ifndef HB_NO_CFF
if (!c.font->face->table.cff2->get_extents_at (c.font, glyph, &glyph_extents, coords))
if (!c.font->face->table.cff1->get_extents (c.font, glyph, &glyph_extents)) // Doesn't have variations
#endif
return false;
hb_extents_t comp_extents (glyph_extents);
transform.transform_extents (comp_extents);
c.extents->union_ (comp_extents);
}
return true;
}
if (depth_left <= 0)
if (c.depth_left <= 0)
return true;
if (*edges_left <= 0)
if (c.edges_left <= 0)
return true;
(*edges_left)--;
(c.edges_left)--;
hb_decycler_node_t node (*decycler);
hb_decycler_node_t node (c.decycler);
if (unlikely (!node.visit (glyph)))
return true;
hb_ubytes_t record = (this+glyphRecords)[idx];
float static_cache[sizeof (void *) * 16];
VarRegionList::cache_t *cache = (this+varStore).create_cache (hb_array (static_cache));
VarRegionList::cache_t static_cache[sizeof (void *) * 16];
VarRegionList::cache_t *cache = parent_cache ?
parent_cache :
(this+varStore).create_cache (hb_array (static_cache));
transform.scale (font->x_multf, font->y_multf);
transform.scale (c.font->x_multf, c.font->y_multf);
VarCompositeGlyph::get_path_at (font, glyph,
draw_session, coords, transform,
VarCompositeGlyph::get_path_at (c,
glyph,
coords, transform,
record,
decycler, edges_left, depth_left,
scratch,
cache);
(this+varStore).destroy_cache (cache, hb_array (static_cache));
if (cache != parent_cache)
(this+varStore).destroy_cache (cache, hb_array (static_cache));
return true;
}

166
thirdparty/harfbuzz/src/OT/Var/VARC/VARC.hh vendored
View file

@ -21,6 +21,24 @@ namespace OT {
#ifndef HB_NO_VAR_COMPOSITES
struct hb_varc_scratch_t
{
hb_vector_t<unsigned> axisIndices;
hb_vector_t<float> axisValues;
hb_glyf_scratch_t glyf_scratch;
};
struct hb_varc_context_t
{
hb_font_t *font;
hb_draw_session_t *draw_session;
hb_extents_t *extents;
mutable hb_decycler_t decycler;
mutable signed edges_left;
mutable signed depth_left;
hb_varc_scratch_t &scratch;
};
struct VarComponent
{
enum class flags_t : uint32_t
@ -44,41 +62,32 @@ struct VarComponent
};
HB_INTERNAL hb_ubytes_t
get_path_at (hb_font_t *font,
get_path_at (const hb_varc_context_t &c,
hb_codepoint_t parent_gid,
hb_draw_session_t &draw_session,
hb_array_t<const int> coords,
hb_transform_t transform,
hb_ubytes_t record,
hb_decycler_t *decycler,
signed *edges_left,
signed depth_left,
hb_glyf_scratch_t &scratch,
VarRegionList::cache_t *cache = nullptr) const;
};
struct VarCompositeGlyph
{
static void
get_path_at (hb_font_t *font,
hb_codepoint_t glyph,
hb_draw_session_t &draw_session,
get_path_at (const hb_varc_context_t &c,
hb_codepoint_t gid,
hb_array_t<const int> coords,
hb_transform_t transform,
hb_ubytes_t record,
hb_decycler_t *decycler,
signed *edges_left,
signed depth_left,
hb_glyf_scratch_t &scratch,
VarRegionList::cache_t *cache = nullptr)
VarRegionList::cache_t *cache)
{
while (record)
{
const VarComponent &comp = * (const VarComponent *) (record.arrayZ);
record = comp.get_path_at (font, glyph,
draw_session, coords, transform,
record = comp.get_path_at (c,
gid,
coords, transform,
record,
decycler, edges_left, depth_left, scratch, cache);
cache);
}
}
};
@ -92,36 +101,47 @@ struct VARC
static constexpr hb_tag_t tableTag = HB_TAG ('V', 'A', 'R', 'C');
HB_INTERNAL bool
get_path_at (hb_font_t *font,
hb_codepoint_t glyph,
hb_draw_session_t &draw_session,
get_path_at (const hb_varc_context_t &c,
hb_codepoint_t gid,
hb_array_t<const int> coords,
hb_transform_t transform,
hb_codepoint_t parent_glyph,
hb_decycler_t *decycler,
signed *edges_left,
signed depth_left,
hb_glyf_scratch_t &scratch) const;
hb_transform_t transform = HB_TRANSFORM_IDENTITY,
hb_codepoint_t parent_gid = HB_CODEPOINT_INVALID,
VarRegionList::cache_t *parent_cache = nullptr) const;
bool
get_path (hb_font_t *font,
hb_codepoint_t gid,
hb_draw_session_t &draw_session,
hb_glyf_scratch_t &scratch) const
hb_varc_scratch_t &scratch) const
{
hb_decycler_t decycler;
signed edges = HB_MAX_GRAPH_EDGE_COUNT;
hb_varc_context_t c {font,
&draw_session,
nullptr,
hb_decycler_t {},
HB_MAX_GRAPH_EDGE_COUNT,
HB_MAX_NESTING_LEVEL,
scratch};
return get_path_at (font,
gid,
draw_session,
hb_array (font->coords, font->num_coords),
HB_TRANSFORM_IDENTITY,
HB_CODEPOINT_INVALID,
&decycler,
&edges,
HB_MAX_NESTING_LEVEL,
scratch);
return get_path_at (c, gid,
hb_array (font->coords, font->num_coords));
}
bool
get_extents (hb_font_t *font,
hb_codepoint_t gid,
hb_extents_t *extents,
hb_varc_scratch_t &scratch) const
{
hb_varc_context_t c {font,
nullptr,
extents,
hb_decycler_t {},
HB_MAX_GRAPH_EDGE_COUNT,
HB_MAX_NESTING_LEVEL,
scratch};
return get_path_at (c, gid,
hb_array (font->coords, font->num_coords));
}
bool sanitize (hb_sanitize_context_t *c) const
@ -150,7 +170,7 @@ struct VARC
auto *scratch = cached_scratch.get_relaxed ();
if (scratch)
{
scratch->~hb_glyf_scratch_t ();
scratch->~hb_varc_scratch_t ();
hb_free (scratch);
}
@ -162,34 +182,60 @@ struct VARC
{
if (!table->has_data ()) return false;
hb_glyf_scratch_t *scratch;
// Borrow the cached strach buffer.
{
scratch = cached_scratch.get_acquire ();
if (!scratch || unlikely (!cached_scratch.cmpexch (scratch, nullptr)))
{
scratch = (hb_glyf_scratch_t *) hb_calloc (1, sizeof (hb_glyf_scratch_t));
if (unlikely (!scratch))
return true;
}
}
auto *scratch = acquire_scratch ();
if (unlikely (!scratch)) return true;
bool ret = table->get_path (font, gid, draw_session, *scratch);
release_scratch (scratch);
return ret;
}
// Put it back.
if (!cached_scratch.cmpexch (nullptr, scratch))
{
scratch->~hb_glyf_scratch_t ();
hb_free (scratch);
}
bool
get_extents (hb_font_t *font,
hb_codepoint_t gid,
hb_glyph_extents_t *extents) const
{
if (!table->has_data ()) return false;
hb_extents_t f_extents;
auto *scratch = acquire_scratch ();
if (unlikely (!scratch)) return true;
bool ret = table->get_extents (font, gid, &f_extents, *scratch);
release_scratch (scratch);
if (ret)
*extents = f_extents.to_glyph_extents (font->x_scale < 0, font->y_scale < 0);
return ret;
}
private:
hb_varc_scratch_t *acquire_scratch () const
{
hb_varc_scratch_t *scratch = cached_scratch.get_acquire ();
if (!scratch || unlikely (!cached_scratch.cmpexch (scratch, nullptr)))
{
scratch = (hb_varc_scratch_t *) hb_calloc (1, sizeof (hb_varc_scratch_t));
if (unlikely (!scratch))
return nullptr;
}
return scratch;
}
void release_scratch (hb_varc_scratch_t *scratch) const
{
if (!cached_scratch.cmpexch (nullptr, scratch))
{
scratch->~hb_varc_scratch_t ();
hb_free (scratch);
}
}
private:
hb_blob_ptr_t<VARC> table;
hb_atomic_ptr_t<hb_glyf_scratch_t> cached_scratch;
mutable hb_atomic_t<hb_varc_scratch_t *> cached_scratch;
};
bool has_data () const { return version.major != 0; }

21
thirdparty/harfbuzz/src/OT/glyf/glyf.hh vendored
View file

@ -429,16 +429,27 @@ struct glyf_accelerator_t
}
public:
bool get_extents (hb_font_t *font, hb_codepoint_t gid, hb_glyph_extents_t *extents) const
bool get_extents (hb_font_t *font,
hb_codepoint_t gid,
hb_glyph_extents_t *extents) const
{ return get_extents_at (font, gid, extents, hb_array (font->coords, font->num_coords)); }
bool get_extents_at (hb_font_t *font,
hb_codepoint_t gid,
hb_glyph_extents_t *extents,
hb_array_t<const int> coords) const
{
if (unlikely (gid >= num_glyphs)) return false;
#ifndef HB_NO_VAR
if (font->num_coords)
if (coords)
{
hb_glyf_scratch_t scratch;
return get_points (font, gid, points_aggregator_t (font, extents, nullptr, true),
hb_array (font->coords, font->num_coords),
return get_points (font,
gid,
points_aggregator_t (font, extents, nullptr, true),
coords,
scratch);
}
#endif
@ -532,7 +543,7 @@ struct glyf_accelerator_t
unsigned int num_glyphs;
hb_blob_ptr_t<loca> loca_table;
hb_blob_ptr_t<glyf> glyf_table;
hb_atomic_ptr_t<hb_glyf_scratch_t> cached_scratch;
mutable hb_atomic_t<hb_glyf_scratch_t *> cached_scratch;
};

144
thirdparty/harfbuzz/src/hb-aat-layout-common.hh vendored
View file

@ -29,6 +29,8 @@
#include "hb-aat-layout.hh"
#include "hb-aat-map.hh"
#include "hb-ot-layout-common.hh"
#include "hb-ot-layout-gdef-table.hh"
#include "hb-open-type.hh"
#include "hb-cache.hh"
#include "hb-bit-set.hh"
@ -48,6 +50,61 @@ struct ankr;
using hb_aat_class_cache_t = hb_cache_t<15, 8, 7>;
static_assert (sizeof (hb_aat_class_cache_t) == 256, "");
struct hb_aat_scratch_t
{
hb_aat_scratch_t () = default;
hb_aat_scratch_t (const hb_aat_scratch_t &) = delete;
hb_aat_scratch_t (hb_aat_scratch_t &&o)
{
buffer_glyph_set.set_relaxed (o.buffer_glyph_set.get_relaxed ());
o.buffer_glyph_set.set_relaxed (nullptr);
}
hb_aat_scratch_t & operator = (hb_aat_scratch_t &&o)
{
buffer_glyph_set.set_relaxed (o.buffer_glyph_set.get_relaxed ());
o.buffer_glyph_set.set_relaxed (nullptr);
return *this;
}
~hb_aat_scratch_t ()
{
auto *s = buffer_glyph_set.get_relaxed ();
if (unlikely (!s))
return;
s->fini ();
hb_free (s);
}
hb_bit_set_t *create_buffer_glyph_set () const
{
hb_bit_set_t *s = buffer_glyph_set.get_acquire ();
if (s && buffer_glyph_set.cmpexch (s, nullptr))
return s;
s = (hb_bit_set_t *) hb_calloc (1, sizeof (hb_bit_set_t));
if (unlikely (!s))
return nullptr;
s->init ();
return s;
}
void destroy_buffer_glyph_set (hb_bit_set_t *s) const
{
if (unlikely (!s))
return;
if (buffer_glyph_set.cmpexch (nullptr, s))
return;
s->fini ();
hb_free (s);
}
mutable hb_atomic_t<hb_bit_set_t *> buffer_glyph_set;
};
enum { DELETED_GLYPH = 0xFFFF };
#define HB_BUFFER_SCRATCH_FLAG_AAT_HAS_DELETED HB_BUFFER_SCRATCH_FLAG_SHAPER0
struct hb_aat_apply_context_t :
hb_dispatch_context_t<hb_aat_apply_context_t, bool, HB_DEBUG_APPLY>
{
@ -64,10 +121,11 @@ struct hb_aat_apply_context_t :
hb_buffer_t *buffer;
hb_sanitize_context_t sanitizer;
const ankr *ankr_table;
const OT::GDEF *gdef_table;
const OT::GDEF &gdef;
bool has_glyph_classes;
const hb_sorted_vector_t<hb_aat_map_t::range_flags_t> *range_flags = nullptr;
bool using_buffer_glyph_set = false;
hb_bit_set_t buffer_glyph_set;
hb_bit_set_t *buffer_glyph_set = nullptr;
const hb_bit_set_t *left_set = nullptr;
const hb_bit_set_t *right_set = nullptr;
const hb_bit_set_t *machine_glyph_set = nullptr;
@ -90,15 +148,15 @@ struct hb_aat_apply_context_t :
void setup_buffer_glyph_set ()
{
using_buffer_glyph_set = buffer->len >= 4;
using_buffer_glyph_set = buffer->len >= 4 && buffer_glyph_set;
if (using_buffer_glyph_set)
buffer->collect_codepoints (buffer_glyph_set);
if (likely (using_buffer_glyph_set))
buffer->collect_codepoints (*buffer_glyph_set);
}
bool buffer_intersects_machine () const
{
if (using_buffer_glyph_set)
return buffer_glyph_set.intersects (*machine_glyph_set);
if (likely (using_buffer_glyph_set))
return buffer_glyph_set->intersects (*machine_glyph_set);
// Faster for shorter buffers.
for (unsigned i = 0; i < buffer->len; i++)
@ -106,6 +164,69 @@ struct hb_aat_apply_context_t :
return true;
return false;
}
template <typename T>
HB_NODISCARD bool output_glyphs (unsigned int count,
const T *glyphs)
{
if (likely (using_buffer_glyph_set))
buffer_glyph_set->add_array (glyphs, count);
for (unsigned int i = 0; i < count; i++)
{
if (glyphs[i] == DELETED_GLYPH)
{
buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_AAT_HAS_DELETED;
_hb_glyph_info_set_aat_deleted (&buffer->cur());
}
else
{
#ifndef HB_NO_OT_LAYOUT
if (has_glyph_classes)
_hb_glyph_info_set_glyph_props (&buffer->cur(),
gdef.get_glyph_props (glyphs[i]));
#endif
}
if (unlikely (!buffer->output_glyph (glyphs[i]))) return false;
}
return true;
}
HB_NODISCARD bool replace_glyph (hb_codepoint_t glyph)
{
if (glyph == DELETED_GLYPH)
{
buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_AAT_HAS_DELETED;
_hb_glyph_info_set_aat_deleted (&buffer->cur());
}
if (likely (using_buffer_glyph_set))
buffer_glyph_set->add (glyph);
#ifndef HB_NO_OT_LAYOUT
if (has_glyph_classes)
_hb_glyph_info_set_glyph_props (&buffer->cur(),
gdef.get_glyph_props (glyph));
#endif
return buffer->replace_glyph (glyph);
}
HB_NODISCARD bool delete_glyph ()
{
buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_AAT_HAS_DELETED;
_hb_glyph_info_set_aat_deleted (&buffer->cur());
return buffer->replace_glyph (DELETED_GLYPH);
}
void replace_glyph_inplace (unsigned i, hb_codepoint_t glyph)
{
buffer->info[i].codepoint = glyph;
if (likely (using_buffer_glyph_set))
buffer_glyph_set->add (glyph);
#ifndef HB_NO_OT_LAYOUT
if (has_glyph_classes)
_hb_glyph_info_set_glyph_props (&buffer->info[i],
gdef.get_glyph_props (glyph));
#endif
}
};
@ -113,8 +234,6 @@ struct hb_aat_apply_context_t :
* Lookup Table
*/
enum { DELETED_GLYPH = 0xFFFF };
template <typename T> struct Lookup;
template <typename T>
@ -179,6 +298,7 @@ struct LookupSegmentSingle
template <typename set_t, typename filter_t>
void collect_glyphs_filtered (set_t &glyphs, const filter_t &filter) const
{
if (first == DELETED_GLYPH) return;
if (!filter (value)) return;
glyphs.add_range (first, last);
}
@ -268,6 +388,7 @@ struct LookupSegmentArray
template <typename set_t, typename filter_t>
void collect_glyphs_filtered (set_t &glyphs, const void *base, const filter_t &filter) const
{
if (first == DELETED_GLYPH) return;
const auto &values = base+valuesZ;
for (hb_codepoint_t i = first; i <= last; i++)
if (filter (values[i - first]))
@ -368,6 +489,7 @@ struct LookupSingle
template <typename set_t, typename filter_t>
void collect_glyphs_filtered (set_t &glyphs, const filter_t &filter) const
{
if (glyph == DELETED_GLYPH) return;
if (!filter (value)) return;
glyphs.add (glyph);
}
@ -746,6 +868,10 @@ struct StateTable
}
// And glyphs in those classes.
if (filter (CLASS_DELETED_GLYPH))
glyphs.add (DELETED_GLYPH);
(this+classTable).collect_glyphs_filtered (glyphs, num_glyphs, filter);
}

62
thirdparty/harfbuzz/src/hb-aat-layout-kerx-table.hh vendored
View file

@ -185,6 +185,9 @@ struct Format1Entry<true>
DEFINE_SIZE_STATIC (2);
};
static bool initiateAction (const Entry<EntryData> &entry)
{ return entry.flags & Push; }
static bool performAction (const Entry<EntryData> &entry)
{ return entry.data.kernActionIndex != 0xFFFF; }
@ -325,8 +328,9 @@ struct KerxSubTableFormat1
}
else if (buffer->info[idx].mask & kern_mask)
{
o.x_advance += c->font->em_scale_x (v);
o.x_offset += c->font->em_scale_x (v);
auto scaled = c->font->em_scale_x (v);
o.x_advance += scaled;
o.x_offset += scaled;
}
}
else
@ -394,10 +398,8 @@ struct KerxSubTableFormat1
template <typename set_t>
void collect_glyphs (set_t &left_set, set_t &right_set, unsigned num_glyphs) const
{
set_t set;
machine.collect_glyphs (set, num_glyphs);
left_set.union_ (set);
right_set.union_ (set);
machine.collect_initial_glyphs (left_set, num_glyphs, *this);
//machine.collect_glyphs (right_set, num_glyphs); // right_set is unused for machine kerning
}
protected:
@ -671,10 +673,8 @@ struct KerxSubTableFormat4
template <typename set_t>
void collect_glyphs (set_t &left_set, set_t &right_set, unsigned num_glyphs) const
{
set_t set;
machine.collect_glyphs (set, num_glyphs);
left_set.union_ (set);
right_set.union_ (set);
machine.collect_initial_glyphs (left_set, num_glyphs, *this);
//machine.collect_glyphs (right_set, num_glyphs); // right_set is unused for machine kerning
}
protected:
@ -921,7 +921,18 @@ struct KerxSubTable
* The 'kerx' Table
*/
using kern_accelerator_data_t = hb_vector_t<hb_pair_t<hb_bit_set_t, hb_bit_set_t>>;
struct kern_subtable_accelerator_data_t
{
hb_bit_set_t left_set;
hb_bit_set_t right_set;
mutable hb_aat_class_cache_t class_cache;
};
struct kern_accelerator_data_t
{
hb_vector_t<kern_subtable_accelerator_data_t> subtable_accels;
hb_aat_scratch_t scratch;
};
template <typename T>
struct KerxTable
@ -985,6 +996,8 @@ struct KerxTable
{
c->buffer->unsafe_to_concat ();
c->setup_buffer_glyph_set ();
typedef typename T::SubTable SubTable;
bool ret = false;
@ -996,12 +1009,25 @@ struct KerxTable
{
bool reverse;
auto &subtable_accel = accel_data.subtable_accels[i];
if (!T::Types::extended && (st->u.header.coverage & st->u.header.Variation))
goto skip;
if (HB_DIRECTION_IS_HORIZONTAL (c->buffer->props.direction) != st->u.header.is_horizontal ())
goto skip;
c->left_set = &subtable_accel.left_set;
c->right_set = &subtable_accel.right_set;
c->machine_glyph_set = &subtable_accel.left_set;
c->machine_class_cache = &subtable_accel.class_cache;
if (!c->buffer_intersects_machine ())
{
(void) c->buffer->message (c->font, "skipped subtable %u because no glyph matches", c->lookup_index);
goto skip;
}
reverse = bool (st->u.header.coverage & st->u.header.Backwards) !=
HB_DIRECTION_IS_BACKWARD (c->buffer->props.direction);
@ -1028,9 +1054,6 @@ struct KerxTable
if (reverse)
c->buffer->reverse ();
c->left_set = &accel_data[i].first;
c->right_set = &accel_data[i].second;
{
/* See comment in sanitize() for conditional here. */
hb_sanitize_with_object_t with (&c->sanitizer, i < count - 1 ? st : (const SubTable *) nullptr);
@ -1106,9 +1129,13 @@ struct KerxTable
unsigned int count = thiz()->tableCount;
for (unsigned int i = 0; i < count; i++)
{
hb_bit_set_t left_set, right_set;
st->collect_glyphs (left_set, right_set, num_glyphs);
accel_data.push (hb_pair (left_set, right_set));
auto &subtable_accel = *accel_data.subtable_accels.push ();
if (unlikely (accel_data.subtable_accels.in_error ()))
return accel_data;
st->collect_glyphs (subtable_accel.left_set, subtable_accel.right_set, num_glyphs);
subtable_accel.class_cache.clear ();
st = &StructAfter<SubTable> (*st);
}
@ -1137,6 +1164,7 @@ struct KerxTable
hb_blob_ptr_t<T> table;
kern_accelerator_data_t accel_data;
hb_aat_scratch_t scratch;
};
};

84
thirdparty/harfbuzz/src/hb-aat-layout-morx-table.hh vendored
View file

@ -30,8 +30,6 @@
#include "hb-open-type.hh"
#include "hb-aat-layout-common.hh"
#include "hb-ot-layout.hh"
#include "hb-ot-layout-common.hh"
#include "hb-ot-layout-gdef-table.hh"
#include "hb-aat-map.hh"
/*
@ -178,12 +176,6 @@ struct RearrangementSubtable
StateTableDriver<Types, EntryData, Flags> driver (machine, c->face);
if (!c->buffer_intersects_machine ())
{
(void) c->buffer->message (c->font, "skipped chainsubtable because no glyph matches");
return_trace (false);
}
driver.drive (&dc, c);
return_trace (dc.ret);
@ -242,9 +234,7 @@ struct ContextualSubtable
ret (false),
c (c_),
table (table_),
gdef (*c->gdef_table),
mark_set (false),
has_glyph_classes (gdef.has_glyph_classes ()),
mark (0),
subs (table+table->substitutionTables) {}
@ -281,12 +271,7 @@ struct ContextualSubtable
if (replacement)
{
buffer->unsafe_to_break (mark, hb_min (buffer->idx + 1, buffer->len));
hb_codepoint_t glyph = *replacement;
buffer->info[mark].codepoint = glyph;
c->buffer_glyph_set.add (glyph);
if (has_glyph_classes)
_hb_glyph_info_set_glyph_props (&buffer->info[mark],
gdef.get_glyph_props (*replacement));
c->replace_glyph_inplace (mark, *replacement);
ret = true;
}
@ -312,12 +297,7 @@ struct ContextualSubtable
}
if (replacement)
{
hb_codepoint_t glyph = *replacement;
buffer->info[idx].codepoint = glyph;
c->buffer_glyph_set.add (glyph);
if (has_glyph_classes)
_hb_glyph_info_set_glyph_props (&buffer->info[idx],
gdef.get_glyph_props (*replacement));
c->replace_glyph_inplace (idx, *replacement);
ret = true;
}
@ -333,9 +313,7 @@ struct ContextualSubtable
hb_aat_apply_context_t *c;
const ContextualSubtable *table;
private:
const OT::GDEF &gdef;
bool mark_set;
bool has_glyph_classes;
unsigned int mark;
const UnsizedListOfOffset16To<Lookup<HBGlyphID16>, HBUINT, void, false> &subs;
};
@ -348,12 +326,6 @@ struct ContextualSubtable
StateTableDriver<Types, EntryData, Flags> driver (machine, c->face);
if (!c->buffer_intersects_machine ())
{
(void) c->buffer->message (c->font, "skipped chainsubtable because no glyph matches");
return_trace (false);
}
driver.drive (&dc, c);
return_trace (dc.ret);
@ -581,7 +553,7 @@ struct LigatureSubtable
hb_codepoint_t lig = ligatureData;
DEBUG_MSG (APPLY, nullptr, "Produced ligature %u", lig);
if (unlikely (!buffer->replace_glyph (lig))) return;
if (unlikely (!c->replace_glyph (lig))) return;
unsigned int lig_end = match_positions[(match_length - 1u) % ARRAY_LENGTH (match_positions)] + 1u;
/* Now go and delete all subsequent components. */
@ -589,8 +561,7 @@ struct LigatureSubtable
{
DEBUG_MSG (APPLY, nullptr, "Skipping ligature component");
if (unlikely (!buffer->move_to (match_positions[--match_length % ARRAY_LENGTH (match_positions)]))) return;
_hb_glyph_info_set_default_ignorable (&buffer->cur());
if (unlikely (!buffer->replace_glyph (DELETED_GLYPH))) return;
if (!c->delete_glyph ()) return;
}
if (unlikely (!buffer->move_to (lig_end))) return;
@ -624,12 +595,6 @@ struct LigatureSubtable
StateTableDriver<Types, EntryData, Flags> driver (machine, c->face);
if (!c->buffer_intersects_machine ())
{
(void) c->buffer->message (c->font, "skipped chainsubtable because no glyph matches");
return_trace (false);
}
driver.drive (&dc, c);
return_trace (dc.ret);
@ -665,15 +630,6 @@ struct NoncontextualSubtable
{
TRACE_APPLY (this);
if (!c->buffer_intersects_machine ())
{
(void) c->buffer->message (c->font, "skipped chainsubtable because no glyph matches");
return_trace (false);
}
const OT::GDEF &gdef (*c->gdef_table);
bool has_glyph_classes = gdef.has_glyph_classes ();
bool ret = false;
unsigned int num_glyphs = c->face->get_num_glyphs ();
@ -703,12 +659,7 @@ struct NoncontextualSubtable
const HBGlyphID16 *replacement = substitute.get_value (info[i].codepoint, num_glyphs);
if (replacement)
{
hb_codepoint_t glyph = *replacement;
info[i].codepoint = glyph;
c->buffer_glyph_set.add (glyph);
if (has_glyph_classes)
_hb_glyph_info_set_glyph_props (&info[i],
gdef.get_glyph_props (*replacement));
c->replace_glyph_inplace (i, *replacement);
ret = true;
}
}
@ -850,9 +801,7 @@ struct InsertionSubtable
if (buffer->idx < buffer->len && !before)
if (unlikely (!buffer->copy_glyph ())) return;
/* TODO We ignore KashidaLike setting. */
if (unlikely (!buffer->replace_glyphs (0, count, glyphs))) return;
for (unsigned int i = 0; i < count; i++)
c->buffer_glyph_set.add (glyphs[i]);
if (unlikely (!c->output_glyphs (count, glyphs))) return;
ret = true;
if (buffer->idx < buffer->len && !before)
buffer->skip_glyph ();
@ -881,7 +830,8 @@ struct InsertionSubtable
if (buffer->idx < buffer->len && !before)
if (unlikely (!buffer->copy_glyph ())) return;
/* TODO We ignore KashidaLike setting. */
if (unlikely (!buffer->replace_glyphs (0, count, glyphs))) return;
if (unlikely (!c->output_glyphs (count, glyphs))) return;
ret = true;
if (buffer->idx < buffer->len && !before)
buffer->skip_glyph ();
@ -921,12 +871,6 @@ struct InsertionSubtable
StateTableDriver<Types, EntryData, Flags> driver (machine, c->face);
if (!c->buffer_intersects_machine ())
{
(void) c->buffer->message (c->font, "skipped chainsubtable because no glyph matches");
return_trace (false);
}
driver.drive (&dc, c);
return_trace (dc.ret);
@ -1224,6 +1168,7 @@ struct Chain
if (hb_none (hb_iter (c->range_flags) |
hb_map ([subtable_flags] (const hb_aat_map_t::range_flags_t _) -> bool { return subtable_flags & (_.flags); })))
goto skip;
c->subtable_flags = subtable_flags;
c->machine_glyph_set = accel ? &accel->subtables[i].glyph_set : &Null(hb_bit_set_t);
c->machine_class_cache = accel ? &accel->subtables[i].class_cache : nullptr;
@ -1233,6 +1178,12 @@ struct Chain
bool (coverage & ChainSubtable<Types>::Vertical))
goto skip;
if (!c->buffer_intersects_machine ())
{
(void) c->buffer->message (c->font, "skipped chainsubtable %u because no glyph matches", c->lookup_index);
goto skip;
}
/* Buffer contents is always in logical direction. Determine if
* we need to reverse before applying this subtable. We reverse
* back after if we did reverse indeed.
@ -1376,7 +1327,7 @@ struct mortmorx
this->chain_count = table->get_chain_count ();
this->accels = (hb_atomic_ptr_t<hb_aat_layout_chain_accelerator_t> *) hb_calloc (this->chain_count, sizeof (*accels));
this->accels = (hb_atomic_t<hb_aat_layout_chain_accelerator_t *> *) hb_calloc (this->chain_count, sizeof (*accels));
if (unlikely (!this->accels))
{
this->chain_count = 0;
@ -1423,7 +1374,8 @@ struct mortmorx
hb_blob_ptr_t<T> table;
unsigned int chain_count;
hb_atomic_ptr_t<hb_aat_layout_chain_accelerator_t> *accels;
hb_atomic_t<hb_aat_layout_chain_accelerator_t *> *accels;
hb_aat_scratch_t scratch;
};

47
thirdparty/harfbuzz/src/hb-aat-layout-trak-table.hh vendored
View file

@ -31,6 +31,7 @@
#include "hb-aat-layout-common.hh"
#include "hb-ot-layout.hh"
#include "hb-open-type.hh"
#include "hb-ot-stat-table.hh"
/*
* trak -- Tracking
@ -115,7 +116,7 @@ struct TrackTableEntry
protected:
F16DOT16 track; /* Track value for this record. */
NameID trackNameID; /* The 'name' table index for this track.
OT::NameID trackNameID; /* The 'name' table index for this track.
* (a short word or phrase like "loose"
* or "very tight") */
NNOffset16To<UnsizedArrayOf<FWORD>>
@ -142,9 +143,9 @@ struct TrackData
unsigned j = count - 1;
// Find the two entries that track is between.
while (i + 1 < count && trackTable[i + 1].get_track_value () < track)
while (i + 1 < count && trackTable[i + 1].get_track_value () <= track)
i++;
while (j > 0 && trackTable[j - 1].get_track_value () > track)
while (j > 0 && trackTable[j - 1].get_track_value () >= track)
j--;
// Exact match.
@ -200,6 +201,46 @@ struct trak
float ptem = font->ptem > 0.f ? font->ptem : HB_CORETEXT_DEFAULT_FONT_SIZE;
return font->em_scalef_y ((this+vertData).get_tracking (this, ptem, track));
}
hb_position_t get_tracking (hb_font_t *font, hb_direction_t dir, float track = 0.f) const
{
#ifndef HB_NO_STYLE
if (!font->face->table.STAT->has_data ())
return 0;
return HB_DIRECTION_IS_HORIZONTAL (dir) ?
get_h_tracking (font, track) :
get_v_tracking (font, track);
#else
return 0;
#endif
}
bool apply (hb_aat_apply_context_t *c, float track = 0.f) const
{
TRACE_APPLY (this);
float ptem = c->font->ptem;
if (unlikely (ptem <= 0.f))
{
/* https://developer.apple.com/documentation/coretext/1508745-ctfontcreatewithgraphicsfont */
ptem = HB_CORETEXT_DEFAULT_FONT_SIZE;
}
hb_buffer_t *buffer = c->buffer;
if (HB_DIRECTION_IS_HORIZONTAL (buffer->props.direction))
{
hb_position_t advance_to_add = get_h_tracking (c->font, track);
foreach_grapheme (buffer, start, end)
buffer->pos[start].x_advance += advance_to_add;
}
else
{
hb_position_t advance_to_add = get_v_tracking (c->font, track);
foreach_grapheme (buffer, start, end)
buffer->pos[start].y_advance += advance_to_add;
}
return_trace (true);
}
bool sanitize (hb_sanitize_context_t *c) const
{

59
thirdparty/harfbuzz/src/hb-aat-layout.cc vendored
View file

@ -34,7 +34,7 @@
#include "hb-aat-layout-just-table.hh" // Just so we compile it; unused otherwise.
#include "hb-aat-layout-kerx-table.hh"
#include "hb-aat-layout-morx-table.hh"
#include "hb-aat-layout-trak-table.hh" // Just so we compile it; unused otherwise.
#include "hb-aat-layout-trak-table.hh"
#include "hb-aat-ltag-table.hh"
#include "hb-ot-layout-gsub-table.hh"
@ -58,13 +58,14 @@ AAT::hb_aat_apply_context_t::hb_aat_apply_context_t (const hb_ot_shape_plan_t *p
buffer (buffer_),
sanitizer (),
ankr_table (&Null (AAT::ankr)),
gdef_table (
gdef (
#ifndef HB_NO_OT_LAYOUT
face->table.GDEF->table
*face->table.GDEF->table
#else
&Null (GDEF)
Null (GDEF)
#endif
),
has_glyph_classes (gdef.has_glyph_classes ()),
lookup_index (0)
{
sanitizer.init (blob);
@ -203,7 +204,7 @@ hb_aat_layout_find_feature_mapping (hb_tag_t tag)
#endif
#ifndef HB_NO_AAT
#ifndef HB_NO_AAT_SHAPE
/*
* mort/morx/kerx/trak
@ -287,11 +288,14 @@ hb_aat_layout_substitute (const hb_ot_shape_plan_t *plan,
const hb_feature_t *features,
unsigned num_features)
{
hb_aat_map_builder_t builder (font->face, plan->props);
for (unsigned i = 0; i < num_features; i++)
builder.add_feature (features[i]);
hb_aat_map_t map;
builder.compile (map);
if (num_features)
{
hb_aat_map_builder_t builder (font->face, plan->props);
for (unsigned i = 0; i < num_features; i++)
builder.add_feature (features[i]);
builder.compile (map);
}
{
auto &accel = *font->face->table.morx;
@ -300,7 +304,10 @@ hb_aat_layout_substitute (const hb_ot_shape_plan_t *plan,
{
AAT::hb_aat_apply_context_t c (plan, font, buffer, accel.get_blob ());
if (!buffer->message (font, "start table morx")) return;
morx.apply (&c, map, accel);
c.buffer_glyph_set = accel.scratch.create_buffer_glyph_set ();
morx.apply (&c, num_features ? map : plan->aat_map, accel);
accel.scratch.destroy_buffer_glyph_set (c.buffer_glyph_set);
c.buffer_glyph_set = nullptr;
(void) buffer->message (font, "end table morx");
return;
}
@ -313,34 +320,24 @@ hb_aat_layout_substitute (const hb_ot_shape_plan_t *plan,
{
AAT::hb_aat_apply_context_t c (plan, font, buffer, accel.get_blob ());
if (!buffer->message (font, "start table mort")) return;
mort.apply (&c, map, accel);
mort.apply (&c, num_features ? map : plan->aat_map, accel);
(void) buffer->message (font, "end table mort");
return;
}
}
}
void
hb_aat_layout_zero_width_deleted_glyphs (hb_buffer_t *buffer)
{
unsigned int count = buffer->len;
hb_glyph_info_t *info = buffer->info;
hb_glyph_position_t *pos = buffer->pos;
for (unsigned int i = 0; i < count; i++)
if (unlikely (info[i].codepoint == AAT::DELETED_GLYPH))
pos[i].x_advance = pos[i].y_advance = pos[i].x_offset = pos[i].y_offset = 0;
}
static bool
is_deleted_glyph (const hb_glyph_info_t *info)
{
return info->codepoint == AAT::DELETED_GLYPH;
return _hb_glyph_info_is_aat_deleted (info);
}
void
hb_aat_layout_remove_deleted_glyphs (hb_buffer_t *buffer)
{
buffer->delete_glyphs_inplace (is_deleted_glyph);
if (buffer->scratch_flags & HB_BUFFER_SCRATCH_FLAG_AAT_HAS_DELETED)
buffer->delete_glyphs_inplace (is_deleted_glyph);
}
/**
@ -371,8 +368,11 @@ hb_aat_layout_position (const hb_ot_shape_plan_t *plan,
AAT::hb_aat_apply_context_t c (plan, font, buffer, accel.get_blob ());
if (!buffer->message (font, "start table kerx")) return;
c.buffer_glyph_set = accel.scratch.create_buffer_glyph_set ();
c.set_ankr_table (font->face->table.ankr.get ());
accel.apply (&c);
accel.scratch.destroy_buffer_glyph_set (c.buffer_glyph_set);
c.buffer_glyph_set = nullptr;
(void) buffer->message (font, "end table kerx");
}
@ -394,6 +394,17 @@ hb_aat_layout_has_tracking (hb_face_t *face)
return face->table.trak->has_data ();
}
void
hb_aat_layout_track (const hb_ot_shape_plan_t *plan,
hb_font_t *font,
hb_buffer_t *buffer)
{
const AAT::trak& trak = *font->face->table.trak;
AAT::hb_aat_apply_context_t c (plan, font, buffer);
trak.apply (&c);
}
/**
* hb_aat_layout_get_feature_types:
* @face: #hb_face_t to work upon

8
thirdparty/harfbuzz/src/hb-aat-layout.hh vendored
View file

@ -60,9 +60,6 @@ hb_aat_layout_substitute (const hb_ot_shape_plan_t *plan,
const hb_feature_t *features,
unsigned num_features);
HB_INTERNAL void
hb_aat_layout_zero_width_deleted_glyphs (hb_buffer_t *buffer);
HB_INTERNAL void
hb_aat_layout_remove_deleted_glyphs (hb_buffer_t *buffer);
@ -71,5 +68,10 @@ hb_aat_layout_position (const hb_ot_shape_plan_t *plan,
hb_font_t *font,
hb_buffer_t *buffer);
HB_INTERNAL void
hb_aat_layout_track (const hb_ot_shape_plan_t *plan,
hb_font_t *font,
hb_buffer_t *buffer);
#endif /* HB_AAT_LAYOUT_HH */

5
thirdparty/harfbuzz/src/hb-aat-map.cc vendored
View file

@ -85,6 +85,11 @@ void
hb_aat_map_builder_t::compile (hb_aat_map_t &m)
{
/* Compute active features per range, and compile each. */
if (!features.length)
{
hb_aat_layout_compile_map (this, &m);
return;
}
/* Sort features by start/end events. */
hb_vector_t<feature_event_t> feature_events;

80
thirdparty/harfbuzz/src/hb-atomic.hh vendored
View file

@ -80,15 +80,14 @@ _hb_atomic_ptr_impl_cmplexch (const void **P, const void *O_, const void *N)
#include <atomic>
#define _hb_memory_barrier() std::atomic_thread_fence(std::memory_order_ack_rel)
#define _hb_memory_r_barrier() std::atomic_thread_fence(std::memory_order_acquire)
#define _hb_memory_w_barrier() std::atomic_thread_fence(std::memory_order_release)
#define hb_atomic_int_impl_add(AI, V) (reinterpret_cast<std::atomic<std::decay<decltype (*(AI))>::type> *> (AI)->fetch_add ((V), std::memory_order_acq_rel))
#define hb_atomic_int_impl_set_relaxed(AI, V) (reinterpret_cast<std::atomic<std::decay<decltype (*(AI))>::type> *> (AI)->store ((V), std::memory_order_relaxed))
#define hb_atomic_int_impl_set(AI, V) (reinterpret_cast<std::atomic<std::decay<decltype (*(AI))>::type> *> (AI)->store ((V), std::memory_order_release))
#define hb_atomic_int_impl_get_relaxed(AI) (reinterpret_cast<std::atomic<std::decay<decltype (*(AI))>::type> const *> (AI)->load (std::memory_order_relaxed))
#define hb_atomic_int_impl_get(AI) (reinterpret_cast<std::atomic<std::decay<decltype (*(AI))>::type> const *> (AI)->load (std::memory_order_acquire))
#define hb_atomic_int_impl_add(AI, V) (reinterpret_cast<std::atomic<typename std::decay<decltype (*(AI))>::type> *> (AI)->fetch_add ((V), std::memory_order_acq_rel))
#define hb_atomic_int_impl_set_relaxed(AI, V) (reinterpret_cast<std::atomic<typename std::decay<decltype (*(AI))>::type> *> (AI)->store ((V), std::memory_order_relaxed))
#define hb_atomic_int_impl_set(AI, V) (reinterpret_cast<std::atomic<typename std::decay<decltype (*(AI))>::type> *> (AI)->store ((V), std::memory_order_release))
#define hb_atomic_int_impl_get_relaxed(AI) (reinterpret_cast<std::atomic<typename std::decay<decltype (*(AI))>::type> const *> (AI)->load (std::memory_order_relaxed))
#define hb_atomic_int_impl_get(AI) (reinterpret_cast<std::atomic<typename std::decay<decltype (*(AI))>::type> const *> (AI)->load (std::memory_order_acquire))
#define hb_atomic_ptr_impl_set_relaxed(P, V) (reinterpret_cast<std::atomic<void*> *> (P)->store ((V), std::memory_order_relaxed))
#define hb_atomic_ptr_impl_get_relaxed(P) (reinterpret_cast<std::atomic<void*> const *> (P)->load (std::memory_order_relaxed))
@ -149,68 +148,53 @@ static inline void _hb_compiler_memory_r_barrier () {}
#define hb_atomic_ptr_impl_get_relaxed(P) (*(P))
#endif
#ifndef hb_atomic_int_impl_set
inline void hb_atomic_int_impl_set (int *AI, int v) { _hb_memory_w_barrier (); *AI = v; }
inline void hb_atomic_int_impl_set (short *AI, short v) { _hb_memory_w_barrier (); *AI = v; }
template <typename T>
inline void hb_atomic_int_impl_set (T *AI, T v) { _hb_memory_w_barrier (); *AI = v; }
#endif
#ifndef hb_atomic_int_impl_get
inline int hb_atomic_int_impl_get (const int *AI) { int v = *AI; _hb_memory_r_barrier (); return v; }
inline short hb_atomic_int_impl_get (const short *AI) { short v = *AI; _hb_memory_r_barrier (); return v; }
template <typename T>
inline T hb_atomic_int_impl_get (const T *AI) { T v = *AI; _hb_memory_r_barrier (); return v; }
#endif
#ifndef hb_atomic_ptr_impl_get
inline void *hb_atomic_ptr_impl_get (void ** const P) { void *v = *P; _hb_memory_r_barrier (); return v; }
#endif
struct hb_atomic_short_t
template <typename T>
struct hb_atomic_t
{
hb_atomic_short_t () = default;
constexpr hb_atomic_short_t (short v) : v (v) {}
hb_atomic_t () = default;
constexpr hb_atomic_t (T v) : v (v) {}
hb_atomic_short_t& operator = (short v_) { set_relaxed (v_); return *this; }
operator short () const { return get_relaxed (); }
hb_atomic_t& operator = (T v_) { set_relaxed (v_); return *this; }
operator T () const { return get_relaxed (); }
void set_relaxed (short v_) { hb_atomic_int_impl_set_relaxed (&v, v_); }
void set_release (short v_) { hb_atomic_int_impl_set (&v, v_); }
short get_relaxed () const { return hb_atomic_int_impl_get_relaxed (&v); }
short get_acquire () const { return hb_atomic_int_impl_get (&v); }
short inc () { return hb_atomic_int_impl_add (&v, 1); }
short dec () { return hb_atomic_int_impl_add (&v, -1); }
void set_relaxed (T v_) { hb_atomic_int_impl_set_relaxed (&v, v_); }
void set_release (T v_) { hb_atomic_int_impl_set (&v, v_); }
T get_relaxed () const { return hb_atomic_int_impl_get_relaxed (&v); }
T get_acquire () const { return hb_atomic_int_impl_get (&v); }
T inc () { return hb_atomic_int_impl_add (&v, 1); }
T dec () { return hb_atomic_int_impl_add (&v, -1); }
short v = 0;
int operator ++ (int) { return inc (); }
int operator -- (int) { return dec (); }
long operator |= (long v_) { set_relaxed (get_relaxed () | v_); return *this; }
T v = 0;
};
struct hb_atomic_int_t
template <typename T>
struct hb_atomic_t<T*>
{
hb_atomic_int_t () = default;
constexpr hb_atomic_int_t (int v) : v (v) {}
hb_atomic_int_t& operator = (int v_) { set_relaxed (v_); return *this; }
operator int () const { return get_relaxed (); }
void set_relaxed (int v_) { hb_atomic_int_impl_set_relaxed (&v, v_); }
void set_release (int v_) { hb_atomic_int_impl_set (&v, v_); }
int get_relaxed () const { return hb_atomic_int_impl_get_relaxed (&v); }
int get_acquire () const { return hb_atomic_int_impl_get (&v); }
int inc () { return hb_atomic_int_impl_add (&v, 1); }
int dec () { return hb_atomic_int_impl_add (&v, -1); }
int v = 0;
};
template <typename P>
struct hb_atomic_ptr_t
{
typedef hb_remove_pointer<P> T;
hb_atomic_ptr_t () = default;
constexpr hb_atomic_ptr_t (T* v) : v (v) {}
hb_atomic_ptr_t (const hb_atomic_ptr_t &other) = delete;
hb_atomic_t () = default;
constexpr hb_atomic_t (T* v) : v (v) {}
hb_atomic_t (const hb_atomic_t &other) = delete;
void init (T* v_ = nullptr) { set_relaxed (v_); }
void set_relaxed (T* v_) { hb_atomic_ptr_impl_set_relaxed (&v, v_); }
T *get_relaxed () const { return (T *) hb_atomic_ptr_impl_get_relaxed (&v); }
T *get_acquire () const { return (T *) hb_atomic_ptr_impl_get ((void **) &v); }
bool cmpexch (const T *old, T *new_) const { return hb_atomic_ptr_impl_cmpexch ((void **) &v, (void *) old, (void *) new_); }
bool cmpexch (const T *old, T *new_) { return hb_atomic_ptr_impl_cmpexch ((void **) &v, (void *) old, (void *) new_); }
operator bool () const { return get_acquire () != nullptr; }
T * operator -> () const { return get_acquire (); }

4
thirdparty/harfbuzz/src/hb-bit-set.hh vendored
View file

@ -77,7 +77,7 @@ struct hb_bit_set_t
bool successful = true; /* Allocations successful */
mutable unsigned int population = 0;
mutable hb_atomic_int_t last_page_lookup = 0;
mutable hb_atomic_t<unsigned> last_page_lookup = 0;
hb_sorted_vector_t<page_map_t> page_map;
hb_vector_t<page_t> pages;
@ -88,7 +88,7 @@ struct hb_bit_set_t
{
if (unlikely (!successful)) return false;
if (pages.length < count && count <= 2)
if (pages.length < count && (unsigned) pages.allocated < count && count <= 2)
exact_size = true; // Most sets are small and local
if (unlikely (!pages.resize (count, clear, exact_size) ||

195
thirdparty/harfbuzz/src/hb-bit-vector.hh vendored Normal file
View file

@ -0,0 +1,195 @@
/*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Author(s): Behdad Esfahbod
*/
#ifndef HB_BIT_VECTOR_HH
#define HB_BIT_VECTOR_HH
#include "hb.hh"
#include "hb-atomic.hh"
struct hb_min_max_t
{
void add (hb_codepoint_t v) { min_v = hb_min (min_v, v); max_v = hb_max (max_v, v); }
void add_range (hb_codepoint_t a, hb_codepoint_t b)
{
min_v = hb_min (min_v, a);
max_v = hb_max (max_v, b);
}
template <typename set_t>
void union_ (const set_t &set)
{
hb_codepoint_t set_min = set.get_min ();
if (unlikely (set_min == HB_CODEPOINT_INVALID))
return;
hb_codepoint_t set_max = set.get_max ();
min_v = hb_min (min_v, set_min);
max_v = hb_max (max_v, set_max);
}
hb_codepoint_t get_min () const { return min_v; }
hb_codepoint_t get_max () const { return max_v; }
private:
hb_codepoint_t min_v = HB_CODEPOINT_INVALID;
hb_codepoint_t max_v = 0;
};
template <bool atomic = false>
struct hb_bit_vector_t
{
using int_t = uint64_t;
using elt_t = typename std::conditional<atomic, hb_atomic_t<int_t>, int_t>::type;
hb_bit_vector_t () = delete;
hb_bit_vector_t (const hb_bit_vector_t &other) = delete;
hb_bit_vector_t &operator= (const hb_bit_vector_t &other) = delete;
// Move
hb_bit_vector_t (hb_bit_vector_t &&other)
: min_v (other.min_v), max_v (other.max_v), count (other.count), elts (other.elts)
{
other.min_v = other.max_v = other.count = 0;
other.elts = nullptr;
}
hb_bit_vector_t &operator= (hb_bit_vector_t &&other)
{
hb_swap (min_v, other.min_v);
hb_swap (max_v, other.max_v);
hb_swap (count, other.count);
hb_swap (elts, other.elts);
return *this;
}
hb_bit_vector_t (unsigned min_v, unsigned max_v)
: min_v (min_v), max_v (max_v)
{
if (unlikely (min_v >= max_v))
{
min_v = max_v = count = 0;
return;
}
unsigned num = (max_v - min_v + sizeof (int_t) * 8) / (sizeof (int_t) * 8);
elts = (elt_t *) hb_calloc (num, sizeof (int_t));
if (unlikely (!elts))
{
min_v = max_v = count = 0;
return;
}
count = max_v - min_v + 1;
}
~hb_bit_vector_t ()
{
hb_free (elts);
}
void add (hb_codepoint_t g) { elt (g) |= mask (g); }
void del (hb_codepoint_t g) { elt (g) &= ~mask (g); }
void set (hb_codepoint_t g, bool value) { if (value) add (g); else del (g); }
bool get (hb_codepoint_t g) const { return elt (g) & mask (g); }
bool has (hb_codepoint_t g) const { return get (g); }
bool may_have (hb_codepoint_t g) const { return get (g); }
bool operator [] (hb_codepoint_t g) const { return get (g); }
bool operator () (hb_codepoint_t g) const { return get (g); }
void add_range (hb_codepoint_t a, hb_codepoint_t b)
{
if (unlikely (!count || a > b || a < min_v || b > max_v))
return;
elt_t *la = &elt (a);
elt_t *lb = &elt (b);
if (la == lb)
*la |= (mask (b) << 1) - mask(a);
else
{
*la |= ~(mask (a) - 1llu);
la++;
hb_memset (la, 0xff, (char *) lb - (char *) la);
*lb |= ((mask (b) << 1) - 1llu);
}
}
void del_range (hb_codepoint_t a, hb_codepoint_t b)
{
if (unlikely (!count || a > b || a < min_v || b > max_v))
return;
elt_t *la = &elt (a);
elt_t *lb = &elt (b);
if (la == lb)
*la &= ~((mask (b) << 1llu) - mask(a));
else
{
*la &= mask (a) - 1;
la++;
hb_memset (la, 0, (char *) lb - (char *) la);
*lb &= ~((mask (b) << 1) - 1llu);
}
}
void set_range (hb_codepoint_t a, hb_codepoint_t b, bool v)
{ if (v) add_range (a, b); else del_range (a, b); }
template <typename set_t>
void union_ (const set_t &set)
{
for (hb_codepoint_t g : set)
add (g);
}
static const unsigned int ELT_BITS = sizeof (elt_t) * 8;
static constexpr unsigned ELT_MASK = ELT_BITS - 1;
static constexpr elt_t zero = 0;
elt_t &elt (hb_codepoint_t g)
{
g -= min_v;
if (unlikely (g >= count))
return Crap(elt_t);
return elts[g / ELT_BITS];
}
const elt_t& elt (hb_codepoint_t g) const
{
g -= min_v;
if (unlikely (g >= count))
return Null(elt_t);
return elts[g / ELT_BITS];
}
static constexpr int_t mask (hb_codepoint_t g) { return elt_t (1) << (g & ELT_MASK); }
hb_codepoint_t min_v = 0, max_v = 0, count = 0;
elt_t *elts = nullptr;
};
#endif /* HB_BIT_VECTOR_HH */

840
thirdparty/harfbuzz/src/hb-buffer-deserialize-json.hh vendored
View file

File diff suppressed because it is too large Load diff

903
thirdparty/harfbuzz/src/hb-buffer-deserialize-text-glyphs.hh vendored
View file

File diff suppressed because it is too large Load diff

212
thirdparty/harfbuzz/src/hb-buffer-deserialize-text-unicode.hh vendored
View file

@ -34,135 +34,106 @@
#line 36 "hb-buffer-deserialize-text-unicode.hh"
static const unsigned char _deserialize_text_unicode_trans_keys[] = {
0u, 0u, 9u, 117u, 43u, 102u, 48u, 102u, 48u, 57u, 9u, 124u, 9u, 124u, 9u, 124u,
9u, 124u, 0
0u, 0u, 43u, 102u, 48u, 102u, 48u, 124u, 48u, 57u, 62u, 124u, 48u, 124u, 60u, 117u,
85u, 117u, 85u, 117u, 0
};
static const char _deserialize_text_unicode_key_spans[] = {
0, 109, 60, 55, 10, 116, 116, 116,
116
0, 60, 55, 77, 10, 63, 77, 58,
33, 33
};
static const short _deserialize_text_unicode_index_offsets[] = {
0, 0, 110, 171, 227, 238, 355, 472,
589
0, 0, 61, 117, 195, 206, 270, 348,
407, 441
};
static const char _deserialize_text_unicode_indicies[] = {
0, 0, 0, 0, 0, 1, 1,
0, 1, 1, 1, 1, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2,
1, 1, 1, 1, 1, 1, 1, 2,
2, 2, 2, 2, 2, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
0, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 2,
2, 2, 2, 2, 2, 1, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2,
1, 1, 1, 1, 1, 1, 1, 2,
2, 2, 2, 2, 2, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 2,
2, 2, 2, 2, 2, 1, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 4, 5, 1, 1, 3,
3, 3, 3, 3, 3, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 3,
3, 3, 3, 3, 3, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 5, 1, 6, 7, 7, 7,
7, 7, 7, 7, 7, 7, 1, 8,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 2, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 8, 1, 9,
9, 9, 9, 9, 9, 9, 9, 9,
9, 1, 1, 1, 1, 8, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 2, 1, 3,
1, 1, 1, 1, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 1, 1,
1, 1, 1, 1, 1, 4, 4, 4,
4, 4, 4, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 4, 4, 4,
4, 4, 4, 1, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 1, 1,
1, 1, 1, 1, 1, 4, 4, 4,
4, 4, 4, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 4, 4, 4,
4, 4, 4, 1, 5, 6, 6, 6,
6, 6, 6, 6, 6, 6, 1, 7,
7, 7, 7, 7, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 7, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8,
1, 1, 1, 9, 1, 1, 1, 8,
8, 8, 8, 8, 8, 1, 1, 1,
1, 1, 1, 8, 1, 10, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 8,
8, 8, 8, 8, 8, 1, 1, 1,
1, 1, 1, 1, 1, 1, 11, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 10, 1, 11, 11, 11, 11,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 11, 1,
11, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 11, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
11, 1, 12, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 0,
1, 12, 12, 12, 12, 12, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
12, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 13, 1, 12, 12,
12, 12, 12, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 12, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 14, 14, 14,
14, 14, 14, 14, 14, 14, 14, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 13, 1, 0
1, 1, 12, 1, 0
};
static const char _deserialize_text_unicode_trans_targs[] = {
1, 0, 2, 3, 5, 7, 8, 6,
5, 4, 1, 6, 6, 1, 8
2, 0, 3, 3, 4, 9, 5, 6,
9, 6, 8, 1, 1
};
static const char _deserialize_text_unicode_trans_actions[] = {
0, 0, 1, 0, 2, 2, 2, 3,
0, 4, 3, 0, 5, 5, 0
0, 0, 1, 0, 2, 2, 1, 1,
3, 0, 0, 4, 6
};
static const char _deserialize_text_unicode_eof_actions[] = {
0, 0, 0, 0, 0, 3, 0, 5,
5
0, 0, 0, 0, 0, 0, 0, 0,
0, 5
};
static const int deserialize_text_unicode_start = 1;
static const int deserialize_text_unicode_first_final = 5;
static const int deserialize_text_unicode_start = 7;
static const int deserialize_text_unicode_first_final = 7;
static const int deserialize_text_unicode_error = 0;
static const int deserialize_text_unicode_en_main = 1;
static const int deserialize_text_unicode_en_main = 7;
#line 79 "hb-buffer-deserialize-text-unicode.rl"
#line 80 "hb-buffer-deserialize-text-unicode.rl"
static hb_bool_t
@ -172,37 +143,19 @@ _hb_buffer_deserialize_text_unicode (hb_buffer_t *buffer,
const char **end_ptr,
hb_font_t *font)
{
const char *p = buf, *pe = buf + buf_len, *eof = pe, *orig_pe = pe;
while (p < pe && ISSPACE (*p))
p++;
if (p < pe && *p == (buffer->len ? '|' : '<'))
*end_ptr = ++p;
const char *end = strchr ((char *) p, '>');
if (end)
pe = eof = end;
else
{
end = strrchr ((char *) p, '|');
if (end)
pe = eof = end;
else
pe = eof = p;
}
const char *p = buf, *pe = buf + buf_len, *eof = pe;
const char *tok = nullptr;
int cs;
hb_glyph_info_t info = {0};
const hb_glyph_position_t pos = {0};
#line 201 "hb-buffer-deserialize-text-unicode.hh"
#line 154 "hb-buffer-deserialize-text-unicode.hh"
{
cs = deserialize_text_unicode_start;
}
#line 206 "hb-buffer-deserialize-text-unicode.hh"
#line 159 "hb-buffer-deserialize-text-unicode.hh"
{
int _slen;
int _trans;
@ -227,38 +180,27 @@ _resume:
goto _again;
switch ( _deserialize_text_unicode_trans_actions[_trans] ) {
case 1:
case 4:
#line 38 "hb-buffer-deserialize-text-unicode.rl"
{
hb_memset (&info, 0, sizeof (info));
}
break;
case 2:
case 1:
#line 51 "hb-buffer-deserialize-text-unicode.rl"
{
tok = p;
}
break;
case 4:
case 2:
#line 55 "hb-buffer-deserialize-text-unicode.rl"
{if (!parse_hex (tok, p, &info.codepoint )) return false; }
break;
case 3:
#line 55 "hb-buffer-deserialize-text-unicode.rl"
{if (!parse_hex (tok, p, &info.codepoint )) return false; }
#line 42 "hb-buffer-deserialize-text-unicode.rl"
{
buffer->add_info (info);
if (unlikely (!buffer->successful))
return false;
if (buffer->have_positions)
buffer->pos[buffer->len - 1] = pos;
*end_ptr = p;
}
break;
case 5:
#line 57 "hb-buffer-deserialize-text-unicode.rl"
{ if (!parse_uint (tok, p, &info.cluster )) return false; }
break;
case 6:
#line 42 "hb-buffer-deserialize-text-unicode.rl"
{
buffer->add_info (info);
@ -267,9 +209,13 @@ _resume:
if (buffer->have_positions)
buffer->pos[buffer->len - 1] = pos;
*end_ptr = p;
}
#line 38 "hb-buffer-deserialize-text-unicode.rl"
{
hb_memset (&info, 0, sizeof (info));
}
break;
#line 273 "hb-buffer-deserialize-text-unicode.hh"
#line 219 "hb-buffer-deserialize-text-unicode.hh"
}
_again:
@ -281,22 +227,7 @@ _again:
if ( p == eof )
{
switch ( _deserialize_text_unicode_eof_actions[cs] ) {
case 3:
#line 55 "hb-buffer-deserialize-text-unicode.rl"
{if (!parse_hex (tok, p, &info.codepoint )) return false; }
#line 42 "hb-buffer-deserialize-text-unicode.rl"
{
buffer->add_info (info);
if (unlikely (!buffer->successful))
return false;
if (buffer->have_positions)
buffer->pos[buffer->len - 1] = pos;
*end_ptr = p;
}
break;
case 5:
#line 57 "hb-buffer-deserialize-text-unicode.rl"
{ if (!parse_uint (tok, p, &info.cluster )) return false; }
#line 42 "hb-buffer-deserialize-text-unicode.rl"
{
buffer->add_info (info);
@ -307,23 +238,16 @@ _again:
*end_ptr = p;
}
break;
#line 311 "hb-buffer-deserialize-text-unicode.hh"
#line 242 "hb-buffer-deserialize-text-unicode.hh"
}
}
_out: {}
}
#line 115 "hb-buffer-deserialize-text-unicode.rl"
#line 98 "hb-buffer-deserialize-text-unicode.rl"
if (pe < orig_pe && *pe == '>')
{
pe++;
if (p == pe)
p++;
}
*end_ptr = p;
return p == pe;

22
thirdparty/harfbuzz/src/hb-buffer-serialize.cc vendored
View file

@ -169,11 +169,13 @@ _hb_buffer_serialize_glyphs_json (hb_buffer_t *buffer,
if (flags & HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS)
{
hb_glyph_extents_t extents;
hb_font_get_glyph_extents(font, info[i].codepoint, &extents);
p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"xb\":%d,\"yb\":%d",
extents.x_bearing, extents.y_bearing));
p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"w\":%d,\"h\":%d",
extents.width, extents.height));
if (hb_font_get_glyph_extents(font, info[i].codepoint, &extents))
{
p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"xb\":%d,\"yb\":%d",
extents.x_bearing, extents.y_bearing));
p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"w\":%d,\"h\":%d",
extents.width, extents.height));
}
}
*p++ = '}';
@ -318,8 +320,8 @@ _hb_buffer_serialize_glyphs_text (hb_buffer_t *buffer,
if (flags & HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS)
{
hb_glyph_extents_t extents;
hb_font_get_glyph_extents(font, info[i].codepoint, &extents);
p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "<%d,%d,%d,%d>", extents.x_bearing, extents.y_bearing, extents.width, extents.height));
if (hb_font_get_glyph_extents(font, info[i].codepoint, &extents))
p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "<%d,%d,%d,%d>", extents.x_bearing, extents.y_bearing, extents.width, extents.height));
}
if (i == end-1) {
@ -737,8 +739,7 @@ parse_hex (const char *pp, const char *end, uint32_t *pv)
* Deserializes glyphs @buffer from textual representation in the format
* produced by hb_buffer_serialize_glyphs().
*
* Return value: `true` if parse was successful, `false` if an error
* occurred.
* Return value: `true` if the full string was parsed, `false` otherwise.
*
* Since: 0.9.7
**/
@ -810,8 +811,7 @@ hb_buffer_deserialize_glyphs (hb_buffer_t *buffer,
* Deserializes Unicode @buffer from textual representation in the format
* produced by hb_buffer_serialize_unicode().
*
* Return value: `true` if parse was successful, `false` if an error
* occurred.
* Return value: `true` if the full string was parsed, `false` otherwise.
*
* Since: 2.7.3
**/

37
thirdparty/harfbuzz/src/hb-buffer-verify.cc vendored
View file

@ -63,24 +63,25 @@ static bool
buffer_verify_monotone (hb_buffer_t *buffer,
hb_font_t *font)
{
/* Check that clusters are monotone. */
if (buffer->cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES ||
buffer->cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS)
if (!HB_BUFFER_CLUSTER_LEVEL_IS_MONOTONE (buffer->cluster_level))
{
bool is_forward = HB_DIRECTION_IS_FORWARD (hb_buffer_get_direction (buffer));
unsigned int num_glyphs;
hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, &num_glyphs);
for (unsigned int i = 1; i < num_glyphs; i++)
if (info[i-1].cluster != info[i].cluster &&
(info[i-1].cluster < info[i].cluster) != is_forward)
{
buffer_verify_error (buffer, font, BUFFER_VERIFY_ERROR "clusters are not monotone.");
return false;
}
/* Cannot perform this check without monotone clusters. */
return true;
}
bool is_forward = HB_DIRECTION_IS_FORWARD (hb_buffer_get_direction (buffer));
unsigned int num_glyphs;
hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, &num_glyphs);
for (unsigned int i = 1; i < num_glyphs; i++)
if (info[i-1].cluster != info[i].cluster &&
(info[i-1].cluster < info[i].cluster) != is_forward)
{
buffer_verify_error (buffer, font, BUFFER_VERIFY_ERROR "clusters are not monotone.");
return false;
}
return true;
}
@ -92,8 +93,7 @@ buffer_verify_unsafe_to_break (hb_buffer_t *buffer,
unsigned int num_features,
const char * const *shapers)
{
if (buffer->cluster_level != HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES &&
buffer->cluster_level != HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS)
if (!HB_BUFFER_CLUSTER_LEVEL_IS_MONOTONE (buffer->cluster_level))
{
/* Cannot perform this check without monotone clusters. */
return true;
@ -207,8 +207,7 @@ buffer_verify_unsafe_to_concat (hb_buffer_t *buffer,
unsigned int num_features,
const char * const *shapers)
{
if (buffer->cluster_level != HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES &&
buffer->cluster_level != HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS)
if (!HB_BUFFER_CLUSTER_LEVEL_IS_MONOTONE (buffer->cluster_level))
{
/* Cannot perform this check without monotone clusters. */
return true;

16
thirdparty/harfbuzz/src/hb-buffer.cc vendored
View file

@ -370,6 +370,18 @@ hb_buffer_t::add_info (const hb_glyph_info_t &glyph_info)
len++;
}
void
hb_buffer_t::add_info_and_pos (const hb_glyph_info_t &glyph_info,
const hb_glyph_position_t &glyph_pos)
{
if (unlikely (!ensure (len + 1))) return;
info[len] = glyph_info;
assert (have_positions);
pos[len] = glyph_pos;
len++;
}
void
@ -518,7 +530,7 @@ void
hb_buffer_t::merge_clusters_impl (unsigned int start,
unsigned int end)
{
if (cluster_level == HB_BUFFER_CLUSTER_LEVEL_CHARACTERS)
if (!HB_BUFFER_CLUSTER_LEVEL_IS_MONOTONE (cluster_level))
{
unsafe_to_break (start, end);
return;
@ -551,7 +563,7 @@ void
hb_buffer_t::merge_out_clusters (unsigned int start,
unsigned int end)
{
if (cluster_level == HB_BUFFER_CLUSTER_LEVEL_CHARACTERS)
if (!HB_BUFFER_CLUSTER_LEVEL_IS_MONOTONE (cluster_level))
return;
if (unlikely (end - start < 2))

65
thirdparty/harfbuzz/src/hb-buffer.h vendored
View file

@ -422,18 +422,34 @@ hb_buffer_get_flags (const hb_buffer_t *buffer);
* @HB_BUFFER_CLUSTER_LEVEL_CHARACTERS: Don't group cluster values.
* @HB_BUFFER_CLUSTER_LEVEL_DEFAULT: Default cluster level,
* equal to @HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES.
*
* @HB_BUFFER_CLUSTER_LEVEL_GRAPHEMES: Only group clusters, but don't enforce monotone order.
*
* Data type for holding HarfBuzz's clustering behavior options. The cluster level
* dictates one aspect of how HarfBuzz will treat non-base characters
* dictates one aspect of how HarfBuzz will treat non-base characters
* during shaping.
*
* In @HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES, non-base
* characters are merged into the cluster of the base character that precedes them.
* There is also cluster merging every time the clusters will otherwise become non-monotone.
*
* In @HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS, non-base characters are initially
* assigned their own cluster values, which are not merged into preceding base
* clusters. This allows HarfBuzz to perform additional operations like reorder
* sequences of adjacent marks.
* sequences of adjacent marks. The output is still monotone, but the cluster
* values are more granular.
*
* In @HB_BUFFER_CLUSTER_LEVEL_CHARACTERS, non-base characters are assigned their
* own cluster values, which are not merged into preceding base clusters. Moreover,
* the cluster values are not merged into monotone order. This is the most granular
* cluster level, and it is useful for clients that need to know the exact cluster
* values of each character, but is harder to use for clients, since clusters
* might appear in any order.
*
* In @HB_BUFFER_CLUSTER_LEVEL_GRAPHEMES, non-base characters are merged into the
* cluster of the base character that precedes them. This is similar to the Unicode
* Grapheme Cluster algorithm, but it is not exactly the same. The output is
* not forced to be monotone. This is useful for clients that want to use HarfBuzz
* as a cheap implementation of the Unicode Grapheme Cluster algorithm.
*
* @HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES is the default, because it maintains
* backward compatibility with older versions of HarfBuzz. New client programs that
@ -446,9 +462,52 @@ typedef enum {
HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES = 0,
HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS = 1,
HB_BUFFER_CLUSTER_LEVEL_CHARACTERS = 2,
HB_BUFFER_CLUSTER_LEVEL_GRAPHEMES = 3,
HB_BUFFER_CLUSTER_LEVEL_DEFAULT = HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES
} hb_buffer_cluster_level_t;
/**
* HB_BUFFER_CLUSTER_LEVEL_IS_MONOTONE:
* @level: #hb_buffer_cluster_level_t to test
*
* Tests whether a cluster level groups cluster values into monotone order.
* Requires that the level be valid.
*
* Since: 11.0.0
*/
#define HB_BUFFER_CLUSTER_LEVEL_IS_MONOTONE(level) \
((bool) ((1u << (unsigned) (level)) & \
((1u << HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES) | \
(1u << HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS))))
/**
* HB_BUFFER_CLUSTER_LEVEL_IS_GRAPHEMES:
* @level: #hb_buffer_cluster_level_t to test
*
* Tests whether a cluster level groups cluster values by graphemes. Requires
* that the level be valid.
*
* Since: 11.0.0
*/
#define HB_BUFFER_CLUSTER_LEVEL_IS_GRAPHEMES(level) \
((bool) ((1u << (unsigned) (level)) & \
((1u << HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES) | \
(1u << HB_BUFFER_CLUSTER_LEVEL_GRAPHEMES))))
/**
* HB_BUFFER_CLUSTER_LEVEL_IS_CHARACTERS
* @level: #hb_buffer_cluster_level_t to test
*
* Tests whether a cluster level does not group cluster values by graphemes.
* Requires that the level be valid.
*
* Since: 11.0.0
*/
#define HB_BUFFER_CLUSTER_LEVEL_IS_CHARACTERS(level) \
((bool) ((1u << (unsigned) (level)) & \
((1u << HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARCATERS) | \
(1u << HB_BUFFER_CLUSTER_LEVEL_CHARACTERS))))
HB_EXTERN void
hb_buffer_set_cluster_level (hb_buffer_t *buffer,
hb_buffer_cluster_level_t cluster_level);

5
thirdparty/harfbuzz/src/hb-buffer.hh vendored
View file

@ -229,6 +229,8 @@ struct hb_buffer_t
HB_INTERNAL void add (hb_codepoint_t codepoint,
unsigned int cluster);
HB_INTERNAL void add_info (const hb_glyph_info_t &glyph_info);
HB_INTERNAL void add_info_and_pos (const hb_glyph_info_t &glyph_info,
const hb_glyph_position_t &glyph_pos);
void reverse_range (unsigned start, unsigned end)
{
@ -408,6 +410,9 @@ struct hb_buffer_t
bool interior = false,
bool from_out_buffer = false)
{
if (unlikely (end != (unsigned) -1 && end - start > 255))
return;
end = hb_min (end, len);
if (interior && !from_out_buffer && end - start < 2)

37
thirdparty/harfbuzz/src/hb-cache.hh vendored
View file

@ -30,18 +30,31 @@
#include "hb.hh"
/* Implements a lockfree cache for int->int functions.
/* Implements a lockfree and thread-safe cache for int->int functions,
* using (optionally) _relaxed_ atomic integer operations.
*
* The cache is a fixed-size array of 16-bit or 32-bit integers.
* The key is split into two parts: the cache index and the rest.
* The cache is a fixed-size array of 16-bit or 32-bit integers,
* typically 256 elements.
*
* The cache index is used to index into the array. The rest is used
* to store the key and the value.
* The key is split into two parts: the cache index (high bits)
* and the rest (low bits).
*
* The cache index is used to index into the array. The array
* member is a 16-bit or 32-bit integer that is used *both*
* to store the low bits of the key, and the value.
*
* The value is stored in the least significant bits of the integer.
* The key is stored in the most significant bits of the integer.
* The key is shifted by cache_bits to the left to make room for the
* value.
* The low bits of the key are stored in the most significant bits
* of the integer.
*
* A cache hit is detected by comparing the low bits of the key
* with the high bits of the integer at the array position indexed
* by the high bits of the key. If they match, the value is extracted
* from the least significant bits of the integer and returned.
* Otherwise, a cache miss is reported.
*
* Cache operations (storage and retrieval) involve just a few
* arithmetic operations and a single memory access.
*/
template <unsigned int key_bits=16,
@ -52,11 +65,11 @@ struct hb_cache_t
{
using item_t = typename std::conditional<thread_safe,
typename std::conditional<key_bits + value_bits - cache_bits <= 16,
hb_atomic_short_t,
hb_atomic_int_t>::type,
hb_atomic_t<unsigned short>,
hb_atomic_t<unsigned int>>::type,
typename std::conditional<key_bits + value_bits - cache_bits <= 16,
short,
int>::type
unsigned short,
unsigned int>::type
>::type;
static_assert ((key_bits >= cache_bits), "");

13
thirdparty/harfbuzz/src/hb-cairo-utils.cc vendored
View file

@ -31,8 +31,6 @@
#include "hb-cairo-utils.hh"
#include <cairo.h>
/* Some routines in this file were ported from BlackRenderer by Black Foundry.
* Used by permission to relicense to HarfBuzz license.
*
@ -101,7 +99,7 @@ _hb_cairo_paint_glyph_image (hb_cairo_context_t *c,
unsigned width,
unsigned height,
hb_tag_t format,
float slant,
HB_UNUSED float slant_deprecated,
hb_glyph_extents_t *extents)
{
cairo_t *cr = c->cr;
@ -186,12 +184,6 @@ _hb_cairo_paint_glyph_image (hb_cairo_context_t *c,
cairo_matrix_t matrix = {(double) width, 0, 0, (double) height, 0, 0};
cairo_pattern_set_matrix (pattern, &matrix);
/* Undo slant in the extents and apply it in the context. */
extents->width -= extents->height * slant;
extents->x_bearing -= extents->y_bearing * slant;
cairo_matrix_t cairo_matrix = {1., 0., (double) slant, 1., 0., 0.};
cairo_transform (cr, &cairo_matrix);
cairo_translate (cr, extents->x_bearing, extents->y_bearing);
cairo_scale (cr, extents->width, extents->height);
cairo_set_source (cr, pattern);
@ -726,6 +718,9 @@ _hb_cairo_add_sweep_gradient_patches (hb_color_stop_t *stops,
float span;
span = angles[n_stops - 1] - angles[0];
if (!span)
goto done;
k = 0;
if (angles[0] >= 0)
{

24
thirdparty/harfbuzz/src/hb-cairo.cc vendored
View file

@ -204,7 +204,9 @@ hb_cairo_push_clip_glyph (hb_paint_funcs_t *pfuncs HB_UNUSED,
cairo_save (cr);
cairo_new_path (cr);
hb_font_draw_glyph (font, glyph, hb_cairo_draw_get_funcs (), cr);
cairo_close_path (cr);
cairo_clip (cr);
}
@ -572,9 +574,12 @@ hb_cairo_text_to_glyphs (cairo_scaled_font_t *scaled_font,
hb_buffer_guess_segment_properties (buffer);
hb_shape (font, buffer, nullptr, 0);
int x_scale, y_scale;
hb_font_get_scale (font, &x_scale, &y_scale);
hb_cairo_glyphs_from_buffer (buffer,
true,
font->x_scale, font->y_scale,
x_scale, y_scale,
0., 0.,
utf8, utf8_len,
glyphs, (unsigned *) num_glyphs,
@ -601,10 +606,11 @@ hb_cairo_render_glyph (cairo_scaled_font_t *scaled_font,
+1. / (x_scale ? x_scale : 1),
-1. / (y_scale ? y_scale : 1));
hb_font_draw_glyph (font, glyph, hb_cairo_draw_get_funcs (), cr);
cairo_fill (cr);
if (hb_font_draw_glyph_or_fail (font, glyph, hb_cairo_draw_get_funcs (), cr))
cairo_fill (cr);
// If draw fails, we still return SUCCESS, as we want empty drawing, not
// setting the cairo object into error.
return CAIRO_STATUS_SUCCESS;
}
@ -639,8 +645,8 @@ hb_cairo_render_color_glyph (cairo_scaled_font_t *scaled_font,
c.cr = cr;
c.color_cache = (hb_map_t *) cairo_scaled_font_get_user_data (scaled_font, &color_cache_key);
hb_font_paint_glyph (font, glyph, hb_cairo_paint_get_funcs (), &c, palette, color);
if (!hb_font_paint_glyph_or_fail (font, glyph, hb_cairo_paint_get_funcs (), &c, palette, color))
return CAIRO_STATUS_USER_FONT_NOT_IMPLEMENTED;
return CAIRO_STATUS_SUCCESS;
}
@ -657,8 +663,7 @@ user_font_face_create (hb_face_t *face)
cairo_user_font_face_set_text_to_glyphs_func (cairo_face, hb_cairo_text_to_glyphs);
cairo_user_font_face_set_render_glyph_func (cairo_face, hb_cairo_render_glyph);
#ifdef HAVE_CAIRO_USER_FONT_FACE_SET_RENDER_COLOR_GLYPH_FUNC
if (hb_ot_color_has_png (face) || hb_ot_color_has_layers (face) || hb_ot_color_has_paint (face))
cairo_user_font_face_set_render_color_glyph_func (cairo_face, hb_cairo_render_color_glyph);
cairo_user_font_face_set_render_color_glyph_func (cairo_face, hb_cairo_render_color_glyph);
#endif
if (unlikely (CAIRO_STATUS_SUCCESS != cairo_font_face_set_user_data (cairo_face,
@ -689,7 +694,8 @@ hb_cairo_font_face_create_for_font (hb_font_t *font)
{
hb_font_make_immutable (font);
auto *cairo_face = user_font_face_create (font->face);
auto *hb_face = hb_font_get_face (font);
auto *cairo_face = user_font_face_create (hb_face);
if (unlikely (CAIRO_STATUS_SUCCESS != cairo_font_face_set_user_data (cairo_face,
&hb_cairo_font_user_data_key,

66
thirdparty/harfbuzz/src/hb-cff2-interp-cs.hh vendored
View file

@ -71,7 +71,8 @@ struct cff2_cs_interp_env_t : cs_interp_env_t<ELEM, CFF2Subrs>
template <typename ACC>
cff2_cs_interp_env_t (const hb_ubytes_t &str, ACC &acc, unsigned int fd,
const int *coords_=nullptr, unsigned int num_coords_=0)
: SUPER (str, acc.globalSubrs, acc.privateDicts[fd].localSubrs)
: SUPER (str, acc.globalSubrs, acc.privateDicts[fd].localSubrs),
cached_scalars_vector (&acc.cached_scalars_vector)
{
coords = coords_;
num_coords = num_coords_;
@ -80,9 +81,39 @@ struct cff2_cs_interp_env_t : cs_interp_env_t<ELEM, CFF2Subrs>
set_ivs (acc.privateDicts[fd].ivs);
}
void fini ()
~cff2_cs_interp_env_t ()
{
SUPER::fini ();
release_scalars_vector (scalars);
}
hb_vector_t<float> *acquire_scalars_vector () const
{
hb_vector_t<float> *scalars = cached_scalars_vector->get_acquire ();
if (!scalars || !cached_scalars_vector->cmpexch (scalars, nullptr))
{
scalars = (hb_vector_t<float> *) hb_calloc (1, sizeof (hb_vector_t<float>));
if (unlikely (!scalars))
return nullptr;
scalars->init ();
}
return scalars;
}
void release_scalars_vector (hb_vector_t<float> *scalars) const
{
if (!scalars)
return;
scalars->clear ();
if (!cached_scalars_vector->cmpexch (nullptr, scalars))
{
scalars->fini ();
hb_free (scalars);
}
scalars = nullptr;
}
op_code_t fetch_op ()
@ -111,14 +142,20 @@ struct cff2_cs_interp_env_t : cs_interp_env_t<ELEM, CFF2Subrs>
{
if (!seen_blend)
{
region_count = varStore->varStore.get_region_index_count (get_ivs ());
if (do_blend)
scalars = acquire_scalars_vector ();
if (unlikely (!scalars))
SUPER::set_error ();
else
{
if (unlikely (!scalars.resize_exact (region_count)))
SUPER::set_error ();
else
varStore->varStore.get_region_scalars (get_ivs (), coords, num_coords,
&scalars[0], region_count);
region_count = varStore->varStore.get_region_index_count (get_ivs ());
if (do_blend)
{
if (unlikely (!scalars->resize_exact (region_count)))
SUPER::set_error ();
else
varStore->varStore.get_region_scalars (get_ivs (), coords, num_coords,
&(*scalars)[0], region_count);
}
}
seen_blend = true;
}
@ -149,11 +186,11 @@ struct cff2_cs_interp_env_t : cs_interp_env_t<ELEM, CFF2Subrs>
double v = 0;
if (do_blend)
{
if (likely (scalars.length == deltas.length))
if (likely (scalars && scalars->length == deltas.length))
{
unsigned count = scalars.length;
unsigned count = scalars->length;
for (unsigned i = 0; i < count; i++)
v += (double) scalars.arrayZ[i] * deltas.arrayZ[i].to_real ();
v += (double) scalars->arrayZ[i] * deltas.arrayZ[i].to_real ();
}
}
return v;
@ -167,7 +204,8 @@ struct cff2_cs_interp_env_t : cs_interp_env_t<ELEM, CFF2Subrs>
const CFF2ItemVariationStore *varStore;
unsigned int region_count;
unsigned int ivs;
hb_vector_t<float> scalars;
hb_vector_t<float> *scalars = nullptr;
hb_atomic_t<hb_vector_t<float> *> *cached_scalars_vector = nullptr;
bool do_blend;
bool seen_vsindex_ = false;
bool seen_blend = false;

63
thirdparty/harfbuzz/src/hb-common.cc vendored
View file

@ -42,7 +42,7 @@
/* hb_options_t */
hb_atomic_int_t _hb_options;
hb_atomic_t<unsigned> _hb_options;
void
_hb_options_init ()
@ -273,7 +273,7 @@ struct hb_language_item_t {
/* Thread-safe lockfree language list */
static hb_atomic_ptr_t <hb_language_item_t> langs;
static hb_atomic_t<hb_language_item_t *> langs;
static inline void
free_langs ()
@ -403,7 +403,7 @@ hb_language_to_string (hb_language_t language)
hb_language_t
hb_language_get_default ()
{
static hb_atomic_ptr_t <hb_language_t> default_language;
static hb_atomic_t<hb_language_t> default_language;
hb_language_t language = default_language;
if (unlikely (language == HB_LANGUAGE_INVALID))
@ -968,6 +968,9 @@ hb_feature_from_string (const char *str, int len,
* understood by hb_feature_from_string(). The client in responsible for
* allocating big enough size for @buf, 128 bytes is more than enough.
*
* Note that the feature value will be omitted if it is '1', but the
* string won't include any whitespace.
*
* Since: 0.9.5
**/
void
@ -1121,6 +1124,8 @@ get_C_locale ()
* understood by hb_variation_from_string(). The client in responsible for
* allocating big enough size for @buf, 128 bytes is more than enough.
*
* Note that the string won't include any whitespace.
*
* Since: 1.4.2
*/
void
@ -1212,6 +1217,58 @@ uint8_t
return hb_color_get_blue (color);
}
/**
* hb_malloc:
* @size: The size of the memory to allocate.
*
* Allocates @size bytes of memory, using the allocator set at
* compile-time. Typically just malloc().
*
* Return value: A pointer to the allocated memory.
*
* Since: 11.0.0
**/
void* hb_malloc(size_t size) { return hb_malloc_impl (size); }
/**
* hb_calloc:
* @nmemb: The number of elements to allocate.
* @size: The size of each element.
*
* Allocates @nmemb elements of @size bytes each, initialized to zero,
* using the allocator set at compile-time. Typically just calloc().
*
* Return value: A pointer to the allocated memory.
*
* Since: 11.0.0
**/
void* hb_calloc(size_t nmemb, size_t size) { return hb_calloc_impl (nmemb, size); }
/**
* hb_realloc:
* @ptr: The pointer to the memory to reallocate.
* @size: The new size of the memory.
*
* Reallocates the memory pointed to by @ptr to @size bytes, using the
* allocator set at compile-time. Typically just realloc().
*
* Return value: A pointer to the reallocated memory.
*
* Since: 11.0.0
**/
void* hb_realloc(void *ptr, size_t size) { return hb_realloc_impl (ptr, size); }
/**
* hb_free:
* @ptr: The pointer to the memory to free.
*
* Frees the memory pointed to by @ptr, using the allocator set at
* compile-time. Typically just free().
*
* Since: 11.0.0
**/
void hb_free(void *ptr) { hb_free_impl (ptr); }
/* If there is no visibility control, then hb-static.cc will NOT
* define anything. Instead, we get it to define one set in here

443
thirdparty/harfbuzz/src/hb-common.h vendored
View file

@ -65,6 +65,7 @@ typedef unsigned __int64 uint64_t;
#else
# include <inttypes.h>
#endif
#include <stddef.h>
#if defined(__GNUC__) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1))
#define HB_DEPRECATED __attribute__((__deprecated__))
@ -337,437 +338,7 @@ HB_EXTERN hb_bool_t
hb_language_matches (hb_language_t language,
hb_language_t specific);
/**
* hb_script_t:
* @HB_SCRIPT_COMMON: `Zyyy`
* @HB_SCRIPT_INHERITED: `Zinh`
* @HB_SCRIPT_UNKNOWN: `Zzzz`
* @HB_SCRIPT_ARABIC: `Arab`
* @HB_SCRIPT_ARMENIAN: `Armn`
* @HB_SCRIPT_BENGALI: `Beng`
* @HB_SCRIPT_CYRILLIC: `Cyrl`
* @HB_SCRIPT_DEVANAGARI: `Deva`
* @HB_SCRIPT_GEORGIAN: `Geor`
* @HB_SCRIPT_GREEK: `Grek`
* @HB_SCRIPT_GUJARATI: `Gujr`
* @HB_SCRIPT_GURMUKHI: `Guru`
* @HB_SCRIPT_HANGUL: `Hang`
* @HB_SCRIPT_HAN: `Hani`
* @HB_SCRIPT_HEBREW: `Hebr`
* @HB_SCRIPT_HIRAGANA: `Hira`
* @HB_SCRIPT_KANNADA: `Knda`
* @HB_SCRIPT_KATAKANA: `Kana`
* @HB_SCRIPT_LAO: `Laoo`
* @HB_SCRIPT_LATIN: `Latn`
* @HB_SCRIPT_MALAYALAM: `Mlym`
* @HB_SCRIPT_ORIYA: `Orya`
* @HB_SCRIPT_TAMIL: `Taml`
* @HB_SCRIPT_TELUGU: `Telu`
* @HB_SCRIPT_THAI: `Thai`
* @HB_SCRIPT_TIBETAN: `Tibt`
* @HB_SCRIPT_BOPOMOFO: `Bopo`
* @HB_SCRIPT_BRAILLE: `Brai`
* @HB_SCRIPT_CANADIAN_SYLLABICS: `Cans`
* @HB_SCRIPT_CHEROKEE: `Cher`
* @HB_SCRIPT_ETHIOPIC: `Ethi`
* @HB_SCRIPT_KHMER: `Khmr`
* @HB_SCRIPT_MONGOLIAN: `Mong`
* @HB_SCRIPT_MYANMAR: `Mymr`
* @HB_SCRIPT_OGHAM: `Ogam`
* @HB_SCRIPT_RUNIC: `Runr`
* @HB_SCRIPT_SINHALA: `Sinh`
* @HB_SCRIPT_SYRIAC: `Syrc`
* @HB_SCRIPT_THAANA: `Thaa`
* @HB_SCRIPT_YI: `Yiii`
* @HB_SCRIPT_DESERET: `Dsrt`
* @HB_SCRIPT_GOTHIC: `Goth`
* @HB_SCRIPT_OLD_ITALIC: `Ital`
* @HB_SCRIPT_BUHID: `Buhd`
* @HB_SCRIPT_HANUNOO: `Hano`
* @HB_SCRIPT_TAGALOG: `Tglg`
* @HB_SCRIPT_TAGBANWA: `Tagb`
* @HB_SCRIPT_CYPRIOT: `Cprt`
* @HB_SCRIPT_LIMBU: `Limb`
* @HB_SCRIPT_LINEAR_B: `Linb`
* @HB_SCRIPT_OSMANYA: `Osma`
* @HB_SCRIPT_SHAVIAN: `Shaw`
* @HB_SCRIPT_TAI_LE: `Tale`
* @HB_SCRIPT_UGARITIC: `Ugar`
* @HB_SCRIPT_BUGINESE: `Bugi`
* @HB_SCRIPT_COPTIC: `Copt`
* @HB_SCRIPT_GLAGOLITIC: `Glag`
* @HB_SCRIPT_KHAROSHTHI: `Khar`
* @HB_SCRIPT_NEW_TAI_LUE: `Talu`
* @HB_SCRIPT_OLD_PERSIAN: `Xpeo`
* @HB_SCRIPT_SYLOTI_NAGRI: `Sylo`
* @HB_SCRIPT_TIFINAGH: `Tfng`
* @HB_SCRIPT_BALINESE: `Bali`
* @HB_SCRIPT_CUNEIFORM: `Xsux`
* @HB_SCRIPT_NKO: `Nkoo`
* @HB_SCRIPT_PHAGS_PA: `Phag`
* @HB_SCRIPT_PHOENICIAN: `Phnx`
* @HB_SCRIPT_CARIAN: `Cari`
* @HB_SCRIPT_CHAM: `Cham`
* @HB_SCRIPT_KAYAH_LI: `Kali`
* @HB_SCRIPT_LEPCHA: `Lepc`
* @HB_SCRIPT_LYCIAN: `Lyci`
* @HB_SCRIPT_LYDIAN: `Lydi`
* @HB_SCRIPT_OL_CHIKI: `Olck`
* @HB_SCRIPT_REJANG: `Rjng`
* @HB_SCRIPT_SAURASHTRA: `Saur`
* @HB_SCRIPT_SUNDANESE: `Sund`
* @HB_SCRIPT_VAI: `Vaii`
* @HB_SCRIPT_AVESTAN: `Avst`
* @HB_SCRIPT_BAMUM: `Bamu`
* @HB_SCRIPT_EGYPTIAN_HIEROGLYPHS: `Egyp`
* @HB_SCRIPT_IMPERIAL_ARAMAIC: `Armi`
* @HB_SCRIPT_INSCRIPTIONAL_PAHLAVI: `Phli`
* @HB_SCRIPT_INSCRIPTIONAL_PARTHIAN: `Prti`
* @HB_SCRIPT_JAVANESE: `Java`
* @HB_SCRIPT_KAITHI: `Kthi`
* @HB_SCRIPT_LISU: `Lisu`
* @HB_SCRIPT_MEETEI_MAYEK: `Mtei`
* @HB_SCRIPT_OLD_SOUTH_ARABIAN: `Sarb`
* @HB_SCRIPT_OLD_TURKIC: `Orkh`
* @HB_SCRIPT_SAMARITAN: `Samr`
* @HB_SCRIPT_TAI_THAM: `Lana`
* @HB_SCRIPT_TAI_VIET: `Tavt`
* @HB_SCRIPT_BATAK: `Batk`
* @HB_SCRIPT_BRAHMI: `Brah`
* @HB_SCRIPT_MANDAIC: `Mand`
* @HB_SCRIPT_CHAKMA: `Cakm`
* @HB_SCRIPT_MEROITIC_CURSIVE: `Merc`
* @HB_SCRIPT_MEROITIC_HIEROGLYPHS: `Mero`
* @HB_SCRIPT_MIAO: `Plrd`
* @HB_SCRIPT_SHARADA: `Shrd`
* @HB_SCRIPT_SORA_SOMPENG: `Sora`
* @HB_SCRIPT_TAKRI: `Takr`
* @HB_SCRIPT_BASSA_VAH: `Bass`, Since: 0.9.30
* @HB_SCRIPT_CAUCASIAN_ALBANIAN: `Aghb`, Since: 0.9.30
* @HB_SCRIPT_DUPLOYAN: `Dupl`, Since: 0.9.30
* @HB_SCRIPT_ELBASAN: `Elba`, Since: 0.9.30
* @HB_SCRIPT_GRANTHA: `Gran`, Since: 0.9.30
* @HB_SCRIPT_KHOJKI: `Khoj`, Since: 0.9.30
* @HB_SCRIPT_KHUDAWADI: `Sind`, Since: 0.9.30
* @HB_SCRIPT_LINEAR_A: `Lina`, Since: 0.9.30
* @HB_SCRIPT_MAHAJANI: `Mahj`, Since: 0.9.30
* @HB_SCRIPT_MANICHAEAN: `Mani`, Since: 0.9.30
* @HB_SCRIPT_MENDE_KIKAKUI: `Mend`, Since: 0.9.30
* @HB_SCRIPT_MODI: `Modi`, Since: 0.9.30
* @HB_SCRIPT_MRO: `Mroo`, Since: 0.9.30
* @HB_SCRIPT_NABATAEAN: `Nbat`, Since: 0.9.30
* @HB_SCRIPT_OLD_NORTH_ARABIAN: `Narb`, Since: 0.9.30
* @HB_SCRIPT_OLD_PERMIC: `Perm`, Since: 0.9.30
* @HB_SCRIPT_PAHAWH_HMONG: `Hmng`, Since: 0.9.30
* @HB_SCRIPT_PALMYRENE: `Palm`, Since: 0.9.30
* @HB_SCRIPT_PAU_CIN_HAU: `Pauc`, Since: 0.9.30
* @HB_SCRIPT_PSALTER_PAHLAVI: `Phlp`, Since: 0.9.30
* @HB_SCRIPT_SIDDHAM: `Sidd`, Since: 0.9.30
* @HB_SCRIPT_TIRHUTA: `Tirh`, Since: 0.9.30
* @HB_SCRIPT_WARANG_CITI: `Wara`, Since: 0.9.30
* @HB_SCRIPT_AHOM: `Ahom`, Since: 0.9.30
* @HB_SCRIPT_ANATOLIAN_HIEROGLYPHS: `Hluw`, Since: 0.9.30
* @HB_SCRIPT_HATRAN: `Hatr`, Since: 0.9.30
* @HB_SCRIPT_MULTANI: `Mult`, Since: 0.9.30
* @HB_SCRIPT_OLD_HUNGARIAN: `Hung`, Since: 0.9.30
* @HB_SCRIPT_SIGNWRITING: `Sgnw`, Since: 0.9.30
* @HB_SCRIPT_ADLAM: `Adlm`, Since: 1.3.0
* @HB_SCRIPT_BHAIKSUKI: `Bhks`, Since: 1.3.0
* @HB_SCRIPT_MARCHEN: `Marc`, Since: 1.3.0
* @HB_SCRIPT_OSAGE: `Osge`, Since: 1.3.0
* @HB_SCRIPT_TANGUT: `Tang`, Since: 1.3.0
* @HB_SCRIPT_NEWA: `Newa`, Since: 1.3.0
* @HB_SCRIPT_MASARAM_GONDI: `Gonm`, Since: 1.6.0
* @HB_SCRIPT_NUSHU: `Nshu`, Since: 1.6.0
* @HB_SCRIPT_SOYOMBO: `Soyo`, Since: 1.6.0
* @HB_SCRIPT_ZANABAZAR_SQUARE: `Zanb`, Since: 1.6.0
* @HB_SCRIPT_DOGRA: `Dogr`, Since: 1.8.0
* @HB_SCRIPT_GUNJALA_GONDI: `Gong`, Since: 1.8.0
* @HB_SCRIPT_HANIFI_ROHINGYA: `Rohg`, Since: 1.8.0
* @HB_SCRIPT_MAKASAR: `Maka`, Since: 1.8.0
* @HB_SCRIPT_MEDEFAIDRIN: `Medf`, Since: 1.8.0
* @HB_SCRIPT_OLD_SOGDIAN: `Sogo`, Since: 1.8.0
* @HB_SCRIPT_SOGDIAN: `Sogd`, Since: 1.8.0
* @HB_SCRIPT_ELYMAIC: `Elym`, Since: 2.4.0
* @HB_SCRIPT_NANDINAGARI: `Nand`, Since: 2.4.0
* @HB_SCRIPT_NYIAKENG_PUACHUE_HMONG: `Hmnp`, Since: 2.4.0
* @HB_SCRIPT_WANCHO: `Wcho`, Since: 2.4.0
* @HB_SCRIPT_CHORASMIAN: `Chrs`, Since: 2.6.7
* @HB_SCRIPT_DIVES_AKURU: `Diak`, Since: 2.6.7
* @HB_SCRIPT_KHITAN_SMALL_SCRIPT: `Kits`, Since: 2.6.7
* @HB_SCRIPT_YEZIDI: `Yezi`, Since: 2.6.7
* @HB_SCRIPT_CYPRO_MINOAN: `Cpmn`, Since: 3.0.0
* @HB_SCRIPT_OLD_UYGHUR: `Ougr`, Since: 3.0.0
* @HB_SCRIPT_TANGSA: `Tnsa`, Since: 3.0.0
* @HB_SCRIPT_TOTO: `Toto`, Since: 3.0.0
* @HB_SCRIPT_VITHKUQI: `Vith`, Since: 3.0.0
* @HB_SCRIPT_MATH: `Zmth`, Since: 3.4.0
* @HB_SCRIPT_KAWI: `Kawi`, Since: 5.2.0
* @HB_SCRIPT_NAG_MUNDARI: `Nagm`, Since: 5.2.0
* @HB_SCRIPT_GARAY: `Gara`, Since: 10.0.0
* @HB_SCRIPT_GURUNG_KHEMA: `Gukh`, Since: 10.0.0
* @HB_SCRIPT_KIRAT_RAI: `Krai`, Since: 10.0.0
* @HB_SCRIPT_OL_ONAL: `Onao`, Since: 10.0.0
* @HB_SCRIPT_SUNUWAR: `Sunu`, Since: 10.0.0
* @HB_SCRIPT_TODHRI: `Todr`, Since: 10.0.0
* @HB_SCRIPT_TULU_TIGALARI: `Tutg`, Since: 10.0.0
* @HB_SCRIPT_INVALID: No script set
*
* Data type for scripts. Each #hb_script_t's value is an #hb_tag_t corresponding
* to the four-letter values defined by [ISO 15924](https://unicode.org/iso15924/).
*
* See also the Script (sc) property of the Unicode Character Database.
*
**/
/* https://docs.google.com/spreadsheets/d/1Y90M0Ie3MUJ6UVCRDOypOtijlMDLNNyyLk36T6iMu0o */
typedef enum
{
HB_SCRIPT_COMMON = HB_TAG ('Z','y','y','y'), /*1.1*/
HB_SCRIPT_INHERITED = HB_TAG ('Z','i','n','h'), /*1.1*/
HB_SCRIPT_UNKNOWN = HB_TAG ('Z','z','z','z'), /*5.0*/
HB_SCRIPT_ARABIC = HB_TAG ('A','r','a','b'), /*1.1*/
HB_SCRIPT_ARMENIAN = HB_TAG ('A','r','m','n'), /*1.1*/
HB_SCRIPT_BENGALI = HB_TAG ('B','e','n','g'), /*1.1*/
HB_SCRIPT_CYRILLIC = HB_TAG ('C','y','r','l'), /*1.1*/
HB_SCRIPT_DEVANAGARI = HB_TAG ('D','e','v','a'), /*1.1*/
HB_SCRIPT_GEORGIAN = HB_TAG ('G','e','o','r'), /*1.1*/
HB_SCRIPT_GREEK = HB_TAG ('G','r','e','k'), /*1.1*/
HB_SCRIPT_GUJARATI = HB_TAG ('G','u','j','r'), /*1.1*/
HB_SCRIPT_GURMUKHI = HB_TAG ('G','u','r','u'), /*1.1*/
HB_SCRIPT_HANGUL = HB_TAG ('H','a','n','g'), /*1.1*/
HB_SCRIPT_HAN = HB_TAG ('H','a','n','i'), /*1.1*/
HB_SCRIPT_HEBREW = HB_TAG ('H','e','b','r'), /*1.1*/
HB_SCRIPT_HIRAGANA = HB_TAG ('H','i','r','a'), /*1.1*/
HB_SCRIPT_KANNADA = HB_TAG ('K','n','d','a'), /*1.1*/
HB_SCRIPT_KATAKANA = HB_TAG ('K','a','n','a'), /*1.1*/
HB_SCRIPT_LAO = HB_TAG ('L','a','o','o'), /*1.1*/
HB_SCRIPT_LATIN = HB_TAG ('L','a','t','n'), /*1.1*/
HB_SCRIPT_MALAYALAM = HB_TAG ('M','l','y','m'), /*1.1*/
HB_SCRIPT_ORIYA = HB_TAG ('O','r','y','a'), /*1.1*/
HB_SCRIPT_TAMIL = HB_TAG ('T','a','m','l'), /*1.1*/
HB_SCRIPT_TELUGU = HB_TAG ('T','e','l','u'), /*1.1*/
HB_SCRIPT_THAI = HB_TAG ('T','h','a','i'), /*1.1*/
HB_SCRIPT_TIBETAN = HB_TAG ('T','i','b','t'), /*2.0*/
HB_SCRIPT_BOPOMOFO = HB_TAG ('B','o','p','o'), /*3.0*/
HB_SCRIPT_BRAILLE = HB_TAG ('B','r','a','i'), /*3.0*/
HB_SCRIPT_CANADIAN_SYLLABICS = HB_TAG ('C','a','n','s'), /*3.0*/
HB_SCRIPT_CHEROKEE = HB_TAG ('C','h','e','r'), /*3.0*/
HB_SCRIPT_ETHIOPIC = HB_TAG ('E','t','h','i'), /*3.0*/
HB_SCRIPT_KHMER = HB_TAG ('K','h','m','r'), /*3.0*/
HB_SCRIPT_MONGOLIAN = HB_TAG ('M','o','n','g'), /*3.0*/
HB_SCRIPT_MYANMAR = HB_TAG ('M','y','m','r'), /*3.0*/
HB_SCRIPT_OGHAM = HB_TAG ('O','g','a','m'), /*3.0*/
HB_SCRIPT_RUNIC = HB_TAG ('R','u','n','r'), /*3.0*/
HB_SCRIPT_SINHALA = HB_TAG ('S','i','n','h'), /*3.0*/
HB_SCRIPT_SYRIAC = HB_TAG ('S','y','r','c'), /*3.0*/
HB_SCRIPT_THAANA = HB_TAG ('T','h','a','a'), /*3.0*/
HB_SCRIPT_YI = HB_TAG ('Y','i','i','i'), /*3.0*/
HB_SCRIPT_DESERET = HB_TAG ('D','s','r','t'), /*3.1*/
HB_SCRIPT_GOTHIC = HB_TAG ('G','o','t','h'), /*3.1*/
HB_SCRIPT_OLD_ITALIC = HB_TAG ('I','t','a','l'), /*3.1*/
HB_SCRIPT_BUHID = HB_TAG ('B','u','h','d'), /*3.2*/
HB_SCRIPT_HANUNOO = HB_TAG ('H','a','n','o'), /*3.2*/
HB_SCRIPT_TAGALOG = HB_TAG ('T','g','l','g'), /*3.2*/
HB_SCRIPT_TAGBANWA = HB_TAG ('T','a','g','b'), /*3.2*/
HB_SCRIPT_CYPRIOT = HB_TAG ('C','p','r','t'), /*4.0*/
HB_SCRIPT_LIMBU = HB_TAG ('L','i','m','b'), /*4.0*/
HB_SCRIPT_LINEAR_B = HB_TAG ('L','i','n','b'), /*4.0*/
HB_SCRIPT_OSMANYA = HB_TAG ('O','s','m','a'), /*4.0*/
HB_SCRIPT_SHAVIAN = HB_TAG ('S','h','a','w'), /*4.0*/
HB_SCRIPT_TAI_LE = HB_TAG ('T','a','l','e'), /*4.0*/
HB_SCRIPT_UGARITIC = HB_TAG ('U','g','a','r'), /*4.0*/
HB_SCRIPT_BUGINESE = HB_TAG ('B','u','g','i'), /*4.1*/
HB_SCRIPT_COPTIC = HB_TAG ('C','o','p','t'), /*4.1*/
HB_SCRIPT_GLAGOLITIC = HB_TAG ('G','l','a','g'), /*4.1*/
HB_SCRIPT_KHAROSHTHI = HB_TAG ('K','h','a','r'), /*4.1*/
HB_SCRIPT_NEW_TAI_LUE = HB_TAG ('T','a','l','u'), /*4.1*/
HB_SCRIPT_OLD_PERSIAN = HB_TAG ('X','p','e','o'), /*4.1*/
HB_SCRIPT_SYLOTI_NAGRI = HB_TAG ('S','y','l','o'), /*4.1*/
HB_SCRIPT_TIFINAGH = HB_TAG ('T','f','n','g'), /*4.1*/
HB_SCRIPT_BALINESE = HB_TAG ('B','a','l','i'), /*5.0*/
HB_SCRIPT_CUNEIFORM = HB_TAG ('X','s','u','x'), /*5.0*/
HB_SCRIPT_NKO = HB_TAG ('N','k','o','o'), /*5.0*/
HB_SCRIPT_PHAGS_PA = HB_TAG ('P','h','a','g'), /*5.0*/
HB_SCRIPT_PHOENICIAN = HB_TAG ('P','h','n','x'), /*5.0*/
HB_SCRIPT_CARIAN = HB_TAG ('C','a','r','i'), /*5.1*/
HB_SCRIPT_CHAM = HB_TAG ('C','h','a','m'), /*5.1*/
HB_SCRIPT_KAYAH_LI = HB_TAG ('K','a','l','i'), /*5.1*/
HB_SCRIPT_LEPCHA = HB_TAG ('L','e','p','c'), /*5.1*/
HB_SCRIPT_LYCIAN = HB_TAG ('L','y','c','i'), /*5.1*/
HB_SCRIPT_LYDIAN = HB_TAG ('L','y','d','i'), /*5.1*/
HB_SCRIPT_OL_CHIKI = HB_TAG ('O','l','c','k'), /*5.1*/
HB_SCRIPT_REJANG = HB_TAG ('R','j','n','g'), /*5.1*/
HB_SCRIPT_SAURASHTRA = HB_TAG ('S','a','u','r'), /*5.1*/
HB_SCRIPT_SUNDANESE = HB_TAG ('S','u','n','d'), /*5.1*/
HB_SCRIPT_VAI = HB_TAG ('V','a','i','i'), /*5.1*/
HB_SCRIPT_AVESTAN = HB_TAG ('A','v','s','t'), /*5.2*/
HB_SCRIPT_BAMUM = HB_TAG ('B','a','m','u'), /*5.2*/
HB_SCRIPT_EGYPTIAN_HIEROGLYPHS = HB_TAG ('E','g','y','p'), /*5.2*/
HB_SCRIPT_IMPERIAL_ARAMAIC = HB_TAG ('A','r','m','i'), /*5.2*/
HB_SCRIPT_INSCRIPTIONAL_PAHLAVI = HB_TAG ('P','h','l','i'), /*5.2*/
HB_SCRIPT_INSCRIPTIONAL_PARTHIAN = HB_TAG ('P','r','t','i'), /*5.2*/
HB_SCRIPT_JAVANESE = HB_TAG ('J','a','v','a'), /*5.2*/
HB_SCRIPT_KAITHI = HB_TAG ('K','t','h','i'), /*5.2*/
HB_SCRIPT_LISU = HB_TAG ('L','i','s','u'), /*5.2*/
HB_SCRIPT_MEETEI_MAYEK = HB_TAG ('M','t','e','i'), /*5.2*/
HB_SCRIPT_OLD_SOUTH_ARABIAN = HB_TAG ('S','a','r','b'), /*5.2*/
HB_SCRIPT_OLD_TURKIC = HB_TAG ('O','r','k','h'), /*5.2*/
HB_SCRIPT_SAMARITAN = HB_TAG ('S','a','m','r'), /*5.2*/
HB_SCRIPT_TAI_THAM = HB_TAG ('L','a','n','a'), /*5.2*/
HB_SCRIPT_TAI_VIET = HB_TAG ('T','a','v','t'), /*5.2*/
HB_SCRIPT_BATAK = HB_TAG ('B','a','t','k'), /*6.0*/
HB_SCRIPT_BRAHMI = HB_TAG ('B','r','a','h'), /*6.0*/
HB_SCRIPT_MANDAIC = HB_TAG ('M','a','n','d'), /*6.0*/
HB_SCRIPT_CHAKMA = HB_TAG ('C','a','k','m'), /*6.1*/
HB_SCRIPT_MEROITIC_CURSIVE = HB_TAG ('M','e','r','c'), /*6.1*/
HB_SCRIPT_MEROITIC_HIEROGLYPHS = HB_TAG ('M','e','r','o'), /*6.1*/
HB_SCRIPT_MIAO = HB_TAG ('P','l','r','d'), /*6.1*/
HB_SCRIPT_SHARADA = HB_TAG ('S','h','r','d'), /*6.1*/
HB_SCRIPT_SORA_SOMPENG = HB_TAG ('S','o','r','a'), /*6.1*/
HB_SCRIPT_TAKRI = HB_TAG ('T','a','k','r'), /*6.1*/
/*
* Since: 0.9.30
*/
HB_SCRIPT_BASSA_VAH = HB_TAG ('B','a','s','s'), /*7.0*/
HB_SCRIPT_CAUCASIAN_ALBANIAN = HB_TAG ('A','g','h','b'), /*7.0*/
HB_SCRIPT_DUPLOYAN = HB_TAG ('D','u','p','l'), /*7.0*/
HB_SCRIPT_ELBASAN = HB_TAG ('E','l','b','a'), /*7.0*/
HB_SCRIPT_GRANTHA = HB_TAG ('G','r','a','n'), /*7.0*/
HB_SCRIPT_KHOJKI = HB_TAG ('K','h','o','j'), /*7.0*/
HB_SCRIPT_KHUDAWADI = HB_TAG ('S','i','n','d'), /*7.0*/
HB_SCRIPT_LINEAR_A = HB_TAG ('L','i','n','a'), /*7.0*/
HB_SCRIPT_MAHAJANI = HB_TAG ('M','a','h','j'), /*7.0*/
HB_SCRIPT_MANICHAEAN = HB_TAG ('M','a','n','i'), /*7.0*/
HB_SCRIPT_MENDE_KIKAKUI = HB_TAG ('M','e','n','d'), /*7.0*/
HB_SCRIPT_MODI = HB_TAG ('M','o','d','i'), /*7.0*/
HB_SCRIPT_MRO = HB_TAG ('M','r','o','o'), /*7.0*/
HB_SCRIPT_NABATAEAN = HB_TAG ('N','b','a','t'), /*7.0*/
HB_SCRIPT_OLD_NORTH_ARABIAN = HB_TAG ('N','a','r','b'), /*7.0*/
HB_SCRIPT_OLD_PERMIC = HB_TAG ('P','e','r','m'), /*7.0*/
HB_SCRIPT_PAHAWH_HMONG = HB_TAG ('H','m','n','g'), /*7.0*/
HB_SCRIPT_PALMYRENE = HB_TAG ('P','a','l','m'), /*7.0*/
HB_SCRIPT_PAU_CIN_HAU = HB_TAG ('P','a','u','c'), /*7.0*/
HB_SCRIPT_PSALTER_PAHLAVI = HB_TAG ('P','h','l','p'), /*7.0*/
HB_SCRIPT_SIDDHAM = HB_TAG ('S','i','d','d'), /*7.0*/
HB_SCRIPT_TIRHUTA = HB_TAG ('T','i','r','h'), /*7.0*/
HB_SCRIPT_WARANG_CITI = HB_TAG ('W','a','r','a'), /*7.0*/
HB_SCRIPT_AHOM = HB_TAG ('A','h','o','m'), /*8.0*/
HB_SCRIPT_ANATOLIAN_HIEROGLYPHS = HB_TAG ('H','l','u','w'), /*8.0*/
HB_SCRIPT_HATRAN = HB_TAG ('H','a','t','r'), /*8.0*/
HB_SCRIPT_MULTANI = HB_TAG ('M','u','l','t'), /*8.0*/
HB_SCRIPT_OLD_HUNGARIAN = HB_TAG ('H','u','n','g'), /*8.0*/
HB_SCRIPT_SIGNWRITING = HB_TAG ('S','g','n','w'), /*8.0*/
/*
* Since 1.3.0
*/
HB_SCRIPT_ADLAM = HB_TAG ('A','d','l','m'), /*9.0*/
HB_SCRIPT_BHAIKSUKI = HB_TAG ('B','h','k','s'), /*9.0*/
HB_SCRIPT_MARCHEN = HB_TAG ('M','a','r','c'), /*9.0*/
HB_SCRIPT_OSAGE = HB_TAG ('O','s','g','e'), /*9.0*/
HB_SCRIPT_TANGUT = HB_TAG ('T','a','n','g'), /*9.0*/
HB_SCRIPT_NEWA = HB_TAG ('N','e','w','a'), /*9.0*/
/*
* Since 1.6.0
*/
HB_SCRIPT_MASARAM_GONDI = HB_TAG ('G','o','n','m'), /*10.0*/
HB_SCRIPT_NUSHU = HB_TAG ('N','s','h','u'), /*10.0*/
HB_SCRIPT_SOYOMBO = HB_TAG ('S','o','y','o'), /*10.0*/
HB_SCRIPT_ZANABAZAR_SQUARE = HB_TAG ('Z','a','n','b'), /*10.0*/
/*
* Since 1.8.0
*/
HB_SCRIPT_DOGRA = HB_TAG ('D','o','g','r'), /*11.0*/
HB_SCRIPT_GUNJALA_GONDI = HB_TAG ('G','o','n','g'), /*11.0*/
HB_SCRIPT_HANIFI_ROHINGYA = HB_TAG ('R','o','h','g'), /*11.0*/
HB_SCRIPT_MAKASAR = HB_TAG ('M','a','k','a'), /*11.0*/
HB_SCRIPT_MEDEFAIDRIN = HB_TAG ('M','e','d','f'), /*11.0*/
HB_SCRIPT_OLD_SOGDIAN = HB_TAG ('S','o','g','o'), /*11.0*/
HB_SCRIPT_SOGDIAN = HB_TAG ('S','o','g','d'), /*11.0*/
/*
* Since 2.4.0
*/
HB_SCRIPT_ELYMAIC = HB_TAG ('E','l','y','m'), /*12.0*/
HB_SCRIPT_NANDINAGARI = HB_TAG ('N','a','n','d'), /*12.0*/
HB_SCRIPT_NYIAKENG_PUACHUE_HMONG = HB_TAG ('H','m','n','p'), /*12.0*/
HB_SCRIPT_WANCHO = HB_TAG ('W','c','h','o'), /*12.0*/
/*
* Since 2.6.7
*/
HB_SCRIPT_CHORASMIAN = HB_TAG ('C','h','r','s'), /*13.0*/
HB_SCRIPT_DIVES_AKURU = HB_TAG ('D','i','a','k'), /*13.0*/
HB_SCRIPT_KHITAN_SMALL_SCRIPT = HB_TAG ('K','i','t','s'), /*13.0*/
HB_SCRIPT_YEZIDI = HB_TAG ('Y','e','z','i'), /*13.0*/
/*
* Since 3.0.0
*/
HB_SCRIPT_CYPRO_MINOAN = HB_TAG ('C','p','m','n'), /*14.0*/
HB_SCRIPT_OLD_UYGHUR = HB_TAG ('O','u','g','r'), /*14.0*/
HB_SCRIPT_TANGSA = HB_TAG ('T','n','s','a'), /*14.0*/
HB_SCRIPT_TOTO = HB_TAG ('T','o','t','o'), /*14.0*/
HB_SCRIPT_VITHKUQI = HB_TAG ('V','i','t','h'), /*14.0*/
/*
* Since 3.4.0
*/
HB_SCRIPT_MATH = HB_TAG ('Z','m','t','h'),
/*
* Since 5.2.0
*/
HB_SCRIPT_KAWI = HB_TAG ('K','a','w','i'), /*15.0*/
HB_SCRIPT_NAG_MUNDARI = HB_TAG ('N','a','g','m'), /*15.0*/
/*
* Since 10.0.0
*/
HB_SCRIPT_GARAY = HB_TAG ('G','a','r','a'), /*16.0*/
HB_SCRIPT_GURUNG_KHEMA = HB_TAG ('G','u','k','h'), /*16.0*/
HB_SCRIPT_KIRAT_RAI = HB_TAG ('K','r','a','i'), /*16.0*/
HB_SCRIPT_OL_ONAL = HB_TAG ('O','n','a','o'), /*16.0*/
HB_SCRIPT_SUNUWAR = HB_TAG ('S','u','n','u'), /*16.0*/
HB_SCRIPT_TODHRI = HB_TAG ('T','o','d','r'), /*16.0*/
HB_SCRIPT_TULU_TIGALARI = HB_TAG ('T','u','t','g'), /*16.0*/
/* No script set. */
HB_SCRIPT_INVALID = HB_TAG_NONE,
/*< private >*/
/* Dummy values to ensure any hb_tag_t value can be passed/stored as hb_script_t
* without risking undefined behavior. We have two, for historical reasons.
* HB_TAG_MAX used to be unsigned, but that was invalid Ansi C, so was changed
* to _HB_SCRIPT_MAX_VALUE to be equal to HB_TAG_MAX_SIGNED as well.
*
* See this thread for technicalities:
*
* https://lists.freedesktop.org/archives/harfbuzz/2014-March/004150.html
*/
_HB_SCRIPT_MAX_VALUE = HB_TAG_MAX_SIGNED, /*< skip >*/
_HB_SCRIPT_MAX_VALUE_SIGNED = HB_TAG_MAX_SIGNED /*< skip >*/
} hb_script_t;
#include "hb-script-list.h"
/* Script functions */
@ -948,6 +519,16 @@ typedef struct hb_glyph_extents_t {
*/
typedef struct hb_font_t hb_font_t;
/* Not of much use to clients. */
HB_EXTERN void*
hb_malloc (size_t size);
HB_EXTERN void*
hb_calloc (size_t nmemb, size_t size);
HB_EXTERN void*
hb_realloc (void *ptr, size_t size);
HB_EXTERN void
hb_free (void *ptr);
HB_END_DECLS
#endif /* HB_COMMON_H */

2
thirdparty/harfbuzz/src/hb-config.hh vendored
View file

@ -146,6 +146,7 @@
#ifdef HB_NO_DRAW
#define HB_NO_OUTLINE
#define HB_NO_PAINT
#endif
#ifdef HB_NO_GETENV
@ -191,7 +192,6 @@
#ifdef HB_MINIMIZE_MEMORY_USAGE
#define HB_NO_GDEF_CACHE
#define HB_NO_OT_LAYOUT_LOOKUP_CACHE
#define HB_NO_OT_FONT_ADVANCE_CACHE
#define HB_NO_OT_FONT_CMAP_CACHE
#endif

107
thirdparty/harfbuzz/src/hb-coretext-font.cc vendored
View file

@ -28,7 +28,8 @@
#ifdef HAVE_CORETEXT
#include "hb-coretext.h"
#include "hb-coretext.hh"
#include "hb-aat-layout-trak-table.hh"
#include "hb-draw.hh"
#include "hb-font.hh"
@ -42,24 +43,17 @@
# define kCTFontOrientationVertical kCTFontVerticalOrientation
#endif
#define MAX_GLYPHS 64u
static void
_hb_coretext_font_destroy (void *font_data)
{
CTFontRef ct_font = (CTFontRef) font_data;
CFRelease (ct_font);
}
#define MAX_GLYPHS 256u
static hb_bool_t
hb_coretext_get_nominal_glyph (hb_font_t *font HB_UNUSED,
void *font_data,
hb_coretext_get_nominal_glyph (hb_font_t *font,
void *font_data HB_UNUSED,
hb_codepoint_t unicode,
hb_codepoint_t *glyph,
void *user_data HB_UNUSED)
{
CTFontRef ct_font = (CTFontRef) font_data;
CTFontRef ct_font = (CTFontRef) (const void *) font->data.coretext;
UniChar ch[2];
CGGlyph cg_glyph[2];
unsigned count = 0;
@ -85,7 +79,7 @@ hb_coretext_get_nominal_glyph (hb_font_t *font HB_UNUSED,
}
static unsigned int
hb_coretext_get_nominal_glyphs (hb_font_t *font HB_UNUSED,
hb_coretext_get_nominal_glyphs (hb_font_t *font,
void *font_data,
unsigned int count,
const hb_codepoint_t *first_unicode,
@ -94,6 +88,8 @@ hb_coretext_get_nominal_glyphs (hb_font_t *font HB_UNUSED,
unsigned int glyph_stride,
void *user_data HB_UNUSED)
{
CTFontRef ct_font = (CTFontRef) (const void *) font->data.coretext;
// If any non-BMP codepoint is requested, use the slow path.
bool slow_path = false;
auto *unicode = first_unicode;
@ -119,8 +115,6 @@ hb_coretext_get_nominal_glyphs (hb_font_t *font HB_UNUSED,
return count;
}
CTFontRef ct_font = (CTFontRef) font_data;
UniChar ch[MAX_GLYPHS];
CGGlyph cg_glyph[MAX_GLYPHS];
for (unsigned i = 0; i < count; i += MAX_GLYPHS)
@ -152,14 +146,14 @@ hb_coretext_get_nominal_glyphs (hb_font_t *font HB_UNUSED,
}
static hb_bool_t
hb_coretext_get_variation_glyph (hb_font_t *font HB_UNUSED,
void *font_data,
hb_coretext_get_variation_glyph (hb_font_t *font,
void *font_data HB_UNUSED,
hb_codepoint_t unicode,
hb_codepoint_t variation_selector,
hb_codepoint_t *glyph,
void *user_data HB_UNUSED)
{
CTFontRef ct_font = (CTFontRef) font_data;
CTFontRef ct_font = (CTFontRef) (const void *) font->data.coretext;
UniChar ch[4];
CGGlyph cg_glyph[4];
@ -194,12 +188,17 @@ hb_coretext_get_variation_glyph (hb_font_t *font HB_UNUSED,
if (cg_glyph[i])
return false;
// Humm. CoreText falls back to the default glyph if the variation selector
// is not supported. We cannot truly detect that case. So, in essence,
// we are always returning true here...
*glyph = cg_glyph[0];
return true;
}
static void
hb_coretext_get_glyph_h_advances (hb_font_t* font, void* font_data,
hb_coretext_get_glyph_h_advances (hb_font_t* font,
void* font_data HB_UNUSED,
unsigned count,
const hb_codepoint_t *first_glyph,
unsigned glyph_stride,
@ -207,10 +206,11 @@ hb_coretext_get_glyph_h_advances (hb_font_t* font, void* font_data,
unsigned advance_stride,
void *user_data HB_UNUSED)
{
CTFontRef ct_font = (CTFontRef) font_data;
CTFontRef ct_font = (CTFontRef) (const void *) font->data.coretext;
CGFloat ct_font_size = CTFontGetSize (ct_font);
CGFloat x_mult = (CGFloat) font->x_scale / ct_font_size;
hb_position_t tracking = font->face->table.trak->get_tracking (font, HB_DIRECTION_LTR, 0.f);
CGGlyph cg_glyph[MAX_GLYPHS];
CGSize advances[MAX_GLYPHS];
@ -225,7 +225,7 @@ hb_coretext_get_glyph_h_advances (hb_font_t* font, void* font_data,
CTFontGetAdvancesForGlyphs (ct_font, kCTFontOrientationHorizontal, cg_glyph, advances, c);
for (unsigned j = 0; j < c; j++)
{
*first_advance = round (advances[j].width * x_mult);
*first_advance = round (advances[j].width * x_mult) - tracking;
first_advance = &StructAtOffset<hb_position_t> (first_advance, advance_stride);
}
}
@ -233,7 +233,8 @@ hb_coretext_get_glyph_h_advances (hb_font_t* font, void* font_data,
#ifndef HB_NO_VERTICAL
static void
hb_coretext_get_glyph_v_advances (hb_font_t* font, void* font_data,
hb_coretext_get_glyph_v_advances (hb_font_t* font,
void* font_data HB_UNUSED,
unsigned count,
const hb_codepoint_t *first_glyph,
unsigned glyph_stride,
@ -241,10 +242,11 @@ hb_coretext_get_glyph_v_advances (hb_font_t* font, void* font_data,
unsigned advance_stride,
void *user_data HB_UNUSED)
{
CTFontRef ct_font = (CTFontRef) font_data;
CTFontRef ct_font = (CTFontRef) (const void *) font->data.coretext;
CGFloat ct_font_size = CTFontGetSize (ct_font);
CGFloat y_mult = (CGFloat) -font->y_scale / ct_font_size;
hb_position_t tracking = font->face->table.trak->get_tracking (font, HB_DIRECTION_TTB, 0.f);
CGGlyph cg_glyph[MAX_GLYPHS];
CGSize advances[MAX_GLYPHS];
@ -259,23 +261,21 @@ hb_coretext_get_glyph_v_advances (hb_font_t* font, void* font_data,
CTFontGetAdvancesForGlyphs (ct_font, kCTFontOrientationVertical, cg_glyph, advances, c);
for (unsigned j = 0; j < c; j++)
{
*first_advance = round (advances[j].width * y_mult);
*first_advance = round (advances[j].width * y_mult) - tracking;
first_advance = &StructAtOffset<hb_position_t> (first_advance, advance_stride);
}
}
}
#endif
#ifndef HB_NO_VERTICAL
static hb_bool_t
hb_coretext_get_glyph_v_origin (hb_font_t *font,
void *font_data,
void *font_data HB_UNUSED,
hb_codepoint_t glyph,
hb_position_t *x,
hb_position_t *y,
void *user_data HB_UNUSED)
{
CTFontRef ct_font = (CTFontRef) font_data;
CTFontRef ct_font = (CTFontRef) (const void *) font->data.coretext;
CGFloat ct_font_size = CTFontGetSize (ct_font);
CGFloat x_mult = (CGFloat) -font->x_scale / ct_font_size;
@ -294,12 +294,12 @@ hb_coretext_get_glyph_v_origin (hb_font_t *font,
static hb_bool_t
hb_coretext_get_glyph_extents (hb_font_t *font,
void *font_data,
void *font_data HB_UNUSED,
hb_codepoint_t glyph,
hb_glyph_extents_t *extents,
void *user_data HB_UNUSED)
{
CTFontRef ct_font = (CTFontRef) font_data;
CTFontRef ct_font = (CTFontRef) (const void *) font->data.coretext;
CGFloat ct_font_size = CTFontGetSize (ct_font);
CGFloat x_mult = (CGFloat) font->x_scale / ct_font_size;
@ -310,20 +310,21 @@ hb_coretext_get_glyph_extents (hb_font_t *font,
kCTFontOrientationDefault, glyphs, NULL, 1);
extents->x_bearing = round (bounds.origin.x * x_mult);
extents->y_bearing = round (bounds.origin.y * y_mult);
extents->y_bearing = round ((bounds.origin.y + bounds.size.height) * y_mult);
extents->width = round (bounds.size.width * x_mult);
extents->height = round (bounds.size.height * y_mult);
extents->height = round (bounds.origin.y * y_mult) - extents->y_bearing;
return true;
}
static hb_bool_t
hb_coretext_get_font_h_extents (hb_font_t *font,
void *font_data,
void *font_data HB_UNUSED,
hb_font_extents_t *metrics,
void *user_data HB_UNUSED)
{
CTFontRef ct_font = (CTFontRef) font_data;
CTFontRef ct_font = (CTFontRef) (const void *) font->data.coretext;
CGFloat ct_font_size = CTFontGetSize (ct_font);
CGFloat y_mult = (CGFloat) font->y_scale / ct_font_size;
@ -364,14 +365,14 @@ ct_apply_func (void *info, const CGPathElement *element)
}
}
static void
hb_coretext_draw_glyph (hb_font_t *font,
void *font_data HB_UNUSED,
hb_codepoint_t glyph,
hb_draw_funcs_t *draw_funcs, void *draw_data,
void *user_data)
static hb_bool_t
hb_coretext_draw_glyph_or_fail (hb_font_t *font,
void *font_data HB_UNUSED,
hb_codepoint_t glyph,
hb_draw_funcs_t *draw_funcs, void *draw_data,
void *user_data)
{
CTFontRef ct_font = (CTFontRef) font_data;
CTFontRef ct_font = (CTFontRef) (const void *) font->data.coretext;
CGFloat ct_font_size = CTFontGetSize (ct_font);
CGFloat x_mult = (CGFloat) font->x_scale / ct_font_size;
@ -382,13 +383,15 @@ hb_coretext_draw_glyph (hb_font_t *font,
CGPathRef path = CTFontCreatePathForGlyph (ct_font, glyph, &transform);
if (!path)
return;
return false;
hb_draw_session_t drawing = {draw_funcs, draw_data, font->slant};
hb_draw_session_t drawing {draw_funcs, draw_data};
CGPathApply (path, &drawing, ct_apply_func);
CFRelease (path);
return true;
}
#endif
@ -415,17 +418,20 @@ hb_coretext_get_glyph_name (hb_font_t *font,
(UInt8 *) name, size, &len);
name[len] = '\0';
CFRelease (cf_name);
return true;
}
static hb_bool_t
hb_coretext_get_glyph_from_name (hb_font_t *font HB_UNUSED,
void *font_data,
hb_coretext_get_glyph_from_name (hb_font_t *font,
void *font_data HB_UNUSED,
const char *name, int len,
hb_codepoint_t *glyph,
void *user_data HB_UNUSED)
{
CTFontRef ct_font = (CTFontRef) font_data;
CTFontRef ct_font = (CTFontRef) (const void *) font->data.coretext;
if (len == -1)
len = strlen (name);
@ -458,16 +464,14 @@ static struct hb_coretext_font_funcs_lazy_loader_t : hb_font_funcs_lazy_loader_t
hb_font_funcs_set_font_h_extents_func (funcs, hb_coretext_get_font_h_extents, nullptr, nullptr);
hb_font_funcs_set_glyph_h_advances_func (funcs, hb_coretext_get_glyph_h_advances, nullptr, nullptr);
//hb_font_funcs_set_glyph_h_origin_func (funcs, hb_coretext_get_glyph_h_origin, nullptr, nullptr);
#ifndef HB_NO_VERTICAL
//hb_font_funcs_set_font_v_extents_func (funcs, hb_coretext_get_font_v_extents, nullptr, nullptr);
hb_font_funcs_set_glyph_v_advances_func (funcs, hb_coretext_get_glyph_v_advances, nullptr, nullptr);
hb_font_funcs_set_glyph_v_origin_func (funcs, hb_coretext_get_glyph_v_origin, nullptr, nullptr);
#endif
#ifndef HB_NO_DRAW
hb_font_funcs_set_draw_glyph_func (funcs, hb_coretext_draw_glyph, nullptr, nullptr);
hb_font_funcs_set_draw_glyph_or_fail_func (funcs, hb_coretext_draw_glyph_or_fail, nullptr, nullptr);
#endif
hb_font_funcs_set_glyph_extents_func (funcs, hb_coretext_get_glyph_extents, nullptr, nullptr);
@ -530,8 +534,7 @@ hb_coretext_font_set_funcs (hb_font_t *font)
hb_font_set_funcs (font,
_hb_coretext_get_font_funcs (),
(void *) CFRetain (ct_font),
_hb_coretext_font_destroy);
nullptr, nullptr);
}
#undef MAX_GLYPHS

475
thirdparty/harfbuzz/src/hb-coretext-shape.cc vendored
View file

@ -32,279 +32,9 @@
#include "hb-shaper-impl.hh"
#include "hb-coretext.h"
#include "hb-coretext.hh"
#include "hb-aat-layout.hh"
/**
* SECTION:hb-coretext
* @title: hb-coretext
* @short_description: CoreText integration
* @include: hb-coretext.h
*
* Functions for using HarfBuzz with the CoreText fonts.
**/
static CTFontRef create_ct_font (CGFontRef cg_font, CGFloat font_size);
static void
release_table_data (void *user_data)
{
CFDataRef cf_data = reinterpret_cast<CFDataRef> (user_data);
CFRelease(cf_data);
}
static hb_blob_t *
_hb_cg_reference_table (hb_face_t *face HB_UNUSED, hb_tag_t tag, void *user_data)
{
CGFontRef cg_font = reinterpret_cast<CGFontRef> (user_data);
CFDataRef cf_data = CGFontCopyTableForTag (cg_font, tag);
if (unlikely (!cf_data))
return nullptr;
const char *data = reinterpret_cast<const char*> (CFDataGetBytePtr (cf_data));
const size_t length = CFDataGetLength (cf_data);
if (!data || !length)
{
CFRelease (cf_data);
return nullptr;
}
return hb_blob_create (data, length, HB_MEMORY_MODE_READONLY,
reinterpret_cast<void *> (const_cast<__CFData *> (cf_data)),
release_table_data);
}
static unsigned
_hb_cg_get_table_tags (const hb_face_t *face HB_UNUSED,
unsigned int start_offset,
unsigned int *table_count,
hb_tag_t *table_tags,
void *user_data)
{
CGFontRef cg_font = reinterpret_cast<CGFontRef> (user_data);
CTFontRef ct_font = create_ct_font (cg_font, (CGFloat) HB_CORETEXT_DEFAULT_FONT_SIZE);
auto arr = CTFontCopyAvailableTables (ct_font, kCTFontTableOptionNoOptions);
unsigned population = (unsigned) CFArrayGetCount (arr);
unsigned end_offset;
if (!table_count)
goto done;
if (unlikely (start_offset >= population))
{
*table_count = 0;
goto done;
}
end_offset = start_offset + *table_count;
if (unlikely (end_offset < start_offset))
{
*table_count = 0;
goto done;
}
end_offset= hb_min (end_offset, (unsigned) population);
*table_count = end_offset - start_offset;
for (unsigned i = start_offset; i < end_offset; i++)
{
CTFontTableTag tag = (CTFontTableTag)(uintptr_t) CFArrayGetValueAtIndex (arr, i);
table_tags[i - start_offset] = tag;
}
done:
CFRelease (arr);
CFRelease (ct_font);
return population;
}
static void
_hb_cg_font_release (void *data)
{
CGFontRelease ((CGFontRef) data);
}
static CTFontDescriptorRef
get_last_resort_font_desc ()
{
// TODO Handle allocation failures?
CTFontDescriptorRef last_resort = CTFontDescriptorCreateWithNameAndSize (CFSTR("LastResort"), 0);
CFArrayRef cascade_list = CFArrayCreate (kCFAllocatorDefault,
(const void **) &last_resort,
1,
&kCFTypeArrayCallBacks);
CFRelease (last_resort);
CFDictionaryRef attributes = CFDictionaryCreate (kCFAllocatorDefault,
(const void **) &kCTFontCascadeListAttribute,
(const void **) &cascade_list,
1,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFRelease (cascade_list);
CTFontDescriptorRef font_desc = CTFontDescriptorCreateWithAttributes (attributes);
CFRelease (attributes);
return font_desc;
}
static void
release_data (void *info, const void *data, size_t size)
{
assert (hb_blob_get_length ((hb_blob_t *) info) == size &&
hb_blob_get_data ((hb_blob_t *) info, nullptr) == data);
hb_blob_destroy ((hb_blob_t *) info);
}
static CGFontRef
create_cg_font (hb_face_t *face)
{
CGFontRef cg_font = nullptr;
if (face->destroy == _hb_cg_font_release)
{
cg_font = CGFontRetain ((CGFontRef) face->user_data);
}
else
{
hb_blob_t *blob = hb_face_reference_blob (face);
unsigned int blob_length;
const char *blob_data = hb_blob_get_data (blob, &blob_length);
if (unlikely (!blob_length))
DEBUG_MSG (CORETEXT, face, "Face has empty blob");
CGDataProviderRef provider = CGDataProviderCreateWithData (blob, blob_data, blob_length, &release_data);
if (likely (provider))
{
cg_font = CGFontCreateWithDataProvider (provider);
if (unlikely (!cg_font))
DEBUG_MSG (CORETEXT, face, "Face CGFontCreateWithDataProvider() failed");
CGDataProviderRelease (provider);
}
}
return cg_font;
}
static CTFontRef
create_ct_font (CGFontRef cg_font, CGFloat font_size)
{
CTFontRef ct_font = nullptr;
/* CoreText does not enable trak table usage / tracking when creating a CTFont
* using CTFontCreateWithGraphicsFont. The only way of enabling tracking seems
* to be through the CTFontCreateUIFontForLanguage call. */
CFStringRef cg_postscript_name = CGFontCopyPostScriptName (cg_font);
if (CFStringHasPrefix (cg_postscript_name, CFSTR (".SFNSText")) ||
CFStringHasPrefix (cg_postscript_name, CFSTR (".SFNSDisplay")))
{
#if !(defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE) && MAC_OS_X_VERSION_MIN_REQUIRED < 1080
# define kCTFontUIFontSystem kCTFontSystemFontType
# define kCTFontUIFontEmphasizedSystem kCTFontEmphasizedSystemFontType
#endif
CTFontUIFontType font_type = kCTFontUIFontSystem;
if (CFStringHasSuffix (cg_postscript_name, CFSTR ("-Bold")))
font_type = kCTFontUIFontEmphasizedSystem;
ct_font = CTFontCreateUIFontForLanguage (font_type, font_size, nullptr);
CFStringRef ct_result_name = CTFontCopyPostScriptName(ct_font);
if (CFStringCompare (ct_result_name, cg_postscript_name, 0) != kCFCompareEqualTo)
{
CFRelease(ct_font);
ct_font = nullptr;
}
CFRelease (ct_result_name);
}
CFRelease (cg_postscript_name);
if (!ct_font)
ct_font = CTFontCreateWithGraphicsFont (cg_font, font_size, nullptr, nullptr);
if (unlikely (!ct_font)) {
DEBUG_MSG (CORETEXT, cg_font, "Font CTFontCreateWithGraphicsFont() failed");
return nullptr;
}
/* crbug.com/576941 and crbug.com/625902 and the investigation in the latter
* bug indicate that the cascade list reconfiguration occasionally causes
* crashes in CoreText on OS X 10.9, thus let's skip this step on older
* operating system versions. Except for the emoji font, where _not_
* reconfiguring the cascade list causes CoreText crashes. For details, see
* crbug.com/549610 */
// 0x00070000 stands for "kCTVersionNumber10_10", see CoreText.h
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
if (&CTGetCoreTextVersion != nullptr && CTGetCoreTextVersion() < 0x00070000) {
#pragma GCC diagnostic pop
CFStringRef fontName = CTFontCopyPostScriptName (ct_font);
bool isEmojiFont = CFStringCompare (fontName, CFSTR("AppleColorEmoji"), 0) == kCFCompareEqualTo;
CFRelease (fontName);
if (!isEmojiFont)
return ct_font;
}
CFURLRef original_url = nullptr;
#if !(defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE) && MAC_OS_X_VERSION_MIN_REQUIRED < 1060
ATSFontRef atsFont;
FSRef fsref;
OSStatus status;
atsFont = CTFontGetPlatformFont (ct_font, NULL);
status = ATSFontGetFileReference (atsFont, &fsref);
if (status == noErr)
original_url = CFURLCreateFromFSRef (NULL, &fsref);
#else
original_url = (CFURLRef) CTFontCopyAttribute (ct_font, kCTFontURLAttribute);
#endif
/* Create font copy with cascade list that has LastResort first; this speeds up CoreText
* font fallback which we don't need anyway. */
{
CTFontDescriptorRef last_resort_font_desc = get_last_resort_font_desc ();
CTFontRef new_ct_font = CTFontCreateCopyWithAttributes (ct_font, 0.0, nullptr, last_resort_font_desc);
CFRelease (last_resort_font_desc);
if (new_ct_font)
{
/* The CTFontCreateCopyWithAttributes call fails to stay on the same font
* when reconfiguring the cascade list and may switch to a different font
* when there are fonts that go by the same name, since the descriptor is
* just name and size.
*
* Avoid reconfiguring the cascade lists if the new font is outside the
* system locations that we cannot access from the sandboxed renderer
* process in Blink. This can be detected by the new file URL location
* that the newly found font points to. */
CFURLRef new_url = nullptr;
#if !(defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE) && MAC_OS_X_VERSION_MIN_REQUIRED < 1060
atsFont = CTFontGetPlatformFont (new_ct_font, NULL);
status = ATSFontGetFileReference (atsFont, &fsref);
if (status == noErr)
new_url = CFURLCreateFromFSRef (NULL, &fsref);
#else
new_url = (CFURLRef) CTFontCopyAttribute (new_ct_font, kCTFontURLAttribute);
#endif
// Keep reconfigured font if URL cannot be retrieved (seems to be the case
// on Mac OS 10.12 Sierra), speculative fix for crbug.com/625606
if (!original_url || !new_url || CFEqual (original_url, new_url)) {
CFRelease (ct_font);
ct_font = new_ct_font;
} else {
CFRelease (new_ct_font);
DEBUG_MSG (CORETEXT, ct_font, "Discarding reconfigured CTFont, location changed.");
}
if (new_url)
CFRelease (new_url);
}
else
DEBUG_MSG (CORETEXT, ct_font, "Font copy with empty cascade list failed");
}
if (original_url)
CFRelease (original_url);
return ct_font;
}
hb_coretext_face_data_t *
_hb_coretext_shaper_face_data_create (hb_face_t *face)
{
@ -325,102 +55,6 @@ _hb_coretext_shaper_face_data_destroy (hb_coretext_face_data_t *data)
CFRelease ((CGFontRef) data);
}
/**
* hb_coretext_face_create:
* @cg_font: The CGFontRef to work upon
*
* Creates an #hb_face_t face object from the specified
* CGFontRef.
*
* Return value: (transfer full): The new face object
*
* Since: 0.9.10
*/
hb_face_t *
hb_coretext_face_create (CGFontRef cg_font)
{
hb_face_t *face = hb_face_create_for_tables (_hb_cg_reference_table, CGFontRetain (cg_font), _hb_cg_font_release);
hb_face_set_get_table_tags_func (face, _hb_cg_get_table_tags, cg_font, nullptr);
return face;
}
/**
* hb_coretext_face_create_from_file_or_fail:
* @file_name: A font filename
* @index: The index of the face within the file
*
* Creates an #hb_face_t face object from the specified
* font file and face index.
*
* This is similar in functionality to hb_face_create_from_file_or_fail(),
* but uses the CoreText library for loading the font file.
*
* Return value: (transfer full): The new face object, or `NULL` if
* no face is found at the specified index or the file cannot be read.
*
* Since: 10.1.0
*/
hb_face_t *
hb_coretext_face_create_from_file_or_fail (const char *file_name,
unsigned int index)
{
auto url = CFURLCreateFromFileSystemRepresentation (nullptr,
(const UInt8 *) file_name,
strlen (file_name),
false);
if (unlikely (!url))
return nullptr;
auto ct_font_desc_array = CTFontManagerCreateFontDescriptorsFromURL (url);
if (unlikely (!ct_font_desc_array))
{
CFRelease (url);
return nullptr;
}
auto ct_font_desc = (CFArrayGetCount (ct_font_desc_array) > index) ?
(CTFontDescriptorRef) CFArrayGetValueAtIndex (ct_font_desc_array, index) : nullptr;
if (unlikely (!ct_font_desc))
{
CFRelease (ct_font_desc_array);
CFRelease (url);
return nullptr;
}
CFRelease (url);
auto ct_font = ct_font_desc ? CTFontCreateWithFontDescriptor (ct_font_desc, 0, nullptr) : nullptr;
CFRelease (ct_font_desc_array);
if (unlikely (!ct_font))
return nullptr;
auto cg_font = ct_font ? CTFontCopyGraphicsFont (ct_font, nullptr) : nullptr;
CFRelease (ct_font);
if (unlikely (!cg_font))
return nullptr;
hb_face_t *face = hb_coretext_face_create (cg_font);
CFRelease (cg_font);
if (unlikely (hb_face_is_immutable (face)))
return nullptr;
return face;
}
/**
* hb_coretext_face_get_cg_font:
* @face: The #hb_face_t to work upon
*
* Fetches the CGFontRef associated with an #hb_face_t
* face object
*
* Return value: the CGFontRef found
*
* Since: 0.9.10
*/
CGFontRef
hb_coretext_face_get_cg_font (hb_face_t *face)
{
return (CGFontRef) (const void *) face->data.coretext;
}
hb_coretext_font_data_t *
_hb_coretext_shaper_font_data_create (hb_font_t *font)
@ -439,7 +73,9 @@ _hb_coretext_shaper_font_data_create (hb_font_t *font)
return nullptr;
}
if (font->num_coords)
unsigned num_axes = hb_ot_var_get_axis_count (face);
// https://github.com/harfbuzz/harfbuzz/issues/5163
if (num_axes)
{
CFMutableDictionaryRef variations =
CFDictionaryCreateMutable (kCFAllocatorDefault,
@ -447,14 +83,15 @@ _hb_coretext_shaper_font_data_create (hb_font_t *font)
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
for (unsigned i = 0; i < font->num_coords; i++)
unsigned count = hb_max (num_axes, font->num_coords);
for (unsigned i = 0; i < count; i++)
{
hb_ot_var_axis_info_t info;
unsigned int c = 1;
hb_ot_var_get_axis_infos (font->face, i, &c, &info);
if (font->design_coords[i] == info.default_value)
continue;
float v = hb_clamp (font->design_coords[i], info.min_value, info.max_value);
float v = i < font->num_coords ?
hb_clamp (font->design_coords[i], info.min_value, info.max_value) :
info.default_value;
CFNumberRef tag_number = CFNumberCreate (kCFAllocatorDefault, kCFNumberIntType, &info.tag);
CFNumberRef value_number = CFNumberCreate (kCFAllocatorDefault, kCFNumberFloatType, &v);
@ -489,94 +126,6 @@ _hb_coretext_shaper_font_data_destroy (hb_coretext_font_data_t *data)
CFRelease ((CTFontRef) data);
}
/**
* hb_coretext_font_create:
* @ct_font: The CTFontRef to work upon
*
* Creates an #hb_font_t font object from the specified
* CTFontRef.
*
* The created font uses the default font functions implemented
* natively by HarfBuzz. If you want to use the CoreText font functions
* instead (rarely needed), you can do so by calling
* by hb_coretext_font_set_funcs().
*
* Return value: (transfer full): The new font object
*
* Since: 1.7.2
**/
hb_font_t *
hb_coretext_font_create (CTFontRef ct_font)
{
CGFontRef cg_font = CTFontCopyGraphicsFont (ct_font, nullptr);
hb_face_t *face = hb_coretext_face_create (cg_font);
CFRelease (cg_font);
hb_font_t *font = hb_font_create (face);
hb_face_destroy (face);
if (unlikely (hb_object_is_immutable (font)))
return font;
hb_font_set_ptem (font, CTFontGetSize (ct_font));
/* Copy font variations */
CFDictionaryRef variations = CTFontCopyVariation (ct_font);
if (variations)
{
hb_vector_t<hb_variation_t> vars;
hb_vector_t<CFTypeRef> keys;
hb_vector_t<CFTypeRef> values;
CFIndex count = CFDictionaryGetCount (variations);
if (unlikely (!vars.alloc_exact (count) || !keys.resize_exact (count) || !values.resize_exact (count)))
goto done;
// Fetch them one by one and collect in a vector of our own.
CFDictionaryGetKeysAndValues (variations, keys.arrayZ, values.arrayZ);
for (CFIndex i = 0; i < count; i++)
{
int tag;
float value;
CFNumberGetValue ((CFNumberRef) keys.arrayZ[i], kCFNumberIntType, &tag);
CFNumberGetValue ((CFNumberRef) values.arrayZ[i], kCFNumberFloatType, &value);
hb_variation_t var = {tag, value};
vars.push (var);
}
hb_font_set_variations (font, vars.arrayZ, vars.length);
done:
CFRelease (variations);
}
/* Let there be dragons here... */
font->data.coretext.cmpexch (nullptr, (hb_coretext_font_data_t *) CFRetain (ct_font));
// https://github.com/harfbuzz/harfbuzz/pull/4895#issuecomment-2408471254
//hb_coretext_font_set_funcs (font);
return font;
}
/**
* hb_coretext_font_get_ct_font:
* @font: #hb_font_t to work upon
*
* Fetches the CTFontRef associated with the specified
* #hb_font_t font object.
*
* Return value: the CTFontRef found
*
* Since: 0.9.10
*/
CTFontRef
hb_coretext_font_get_ct_font (hb_font_t *font)
{
CTFontRef ct_font = (CTFontRef) (const void *) font->data.coretext;
return ct_font ? (CTFontRef) ct_font : nullptr;
}
/*
* shaper
*/
@ -646,7 +195,7 @@ _hb_coretext_shape (hb_shape_plan_t *shape_plan,
* B1 M1 B2 M2, and B1-B2 form a ligature, M2's cluster will
* continue pointing to B2 even though B2 was merged into B1's
* cluster... */
if (buffer->cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES)
if (HB_BUFFER_CLUSTER_LEVEL_IS_GRAPHEMES (buffer->cluster_level))
{
hb_unicode_funcs_t *unicode = buffer->unicode;
unsigned int count = buffer->len;
@ -1010,7 +559,7 @@ resize_and_retry:
CFArrayRef glyph_runs = CTLineGetGlyphRuns (line);
unsigned int num_runs = CFArrayGetCount (glyph_runs);
DEBUG_MSG (CORETEXT, nullptr, "Num runs: %d", num_runs);
DEBUG_MSG (CORETEXT, nullptr, "Num runs: %u", num_runs);
buffer->len = 0;
uint32_t status_or = 0;
@ -1292,7 +841,7 @@ resize_and_retry:
* or the native OT backend, only that the cluster indices will be
* monotonic in the output buffer. */
if (count > 1 && (status_or & kCTRunStatusNonMonotonic) &&
buffer->cluster_level != HB_BUFFER_CLUSTER_LEVEL_CHARACTERS)
HB_BUFFER_CLUSTER_LEVEL_IS_MONOTONE (buffer->cluster_level))
{
hb_glyph_info_t *info = buffer->info;
if (HB_DIRECTION_IS_FORWARD (buffer->props.direction))

580
thirdparty/harfbuzz/src/hb-coretext.cc vendored Normal file
View file

@ -0,0 +1,580 @@
/*
* Copyright © 2012,2013 Mozilla Foundation.
* Copyright © 2012,2013 Google, Inc.
*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Mozilla Author(s): Jonathan Kew
* Google Author(s): Behdad Esfahbod
*/
#include "hb.hh"
#ifdef HAVE_CORETEXT
#include "hb-shaper-impl.hh"
#include "hb-coretext.hh"
/**
* SECTION:hb-coretext
* @title: hb-coretext
* @short_description: CoreText integration
* @include: hb-coretext.h
*
* Functions for using HarfBuzz with the CoreText fonts.
**/
static void
release_table_data (void *user_data)
{
CFDataRef cf_data = reinterpret_cast<CFDataRef> (user_data);
CFRelease(cf_data);
}
static hb_blob_t *
_hb_cg_reference_table (hb_face_t *face HB_UNUSED, hb_tag_t tag, void *user_data)
{
CGFontRef cg_font = reinterpret_cast<CGFontRef> (user_data);
CFDataRef cf_data = CGFontCopyTableForTag (cg_font, tag);
if (unlikely (!cf_data))
return nullptr;
const char *data = reinterpret_cast<const char*> (CFDataGetBytePtr (cf_data));
const size_t length = CFDataGetLength (cf_data);
if (!data || !length)
{
CFRelease (cf_data);
return nullptr;
}
return hb_blob_create (data, length, HB_MEMORY_MODE_READONLY,
reinterpret_cast<void *> (const_cast<__CFData *> (cf_data)),
release_table_data);
}
static unsigned
_hb_cg_get_table_tags (const hb_face_t *face HB_UNUSED,
unsigned int start_offset,
unsigned int *table_count,
hb_tag_t *table_tags,
void *user_data)
{
CGFontRef cg_font = reinterpret_cast<CGFontRef> (user_data);
CTFontRef ct_font = create_ct_font (cg_font, (CGFloat) HB_CORETEXT_DEFAULT_FONT_SIZE);
auto arr = CTFontCopyAvailableTables (ct_font, kCTFontTableOptionNoOptions);
unsigned population = (unsigned) CFArrayGetCount (arr);
unsigned end_offset;
if (!table_count)
goto done;
if (unlikely (start_offset >= population))
{
*table_count = 0;
goto done;
}
end_offset = start_offset + *table_count;
if (unlikely (end_offset < start_offset))
{
*table_count = 0;
goto done;
}
end_offset= hb_min (end_offset, (unsigned) population);
*table_count = end_offset - start_offset;
for (unsigned i = start_offset; i < end_offset; i++)
{
CTFontTableTag tag = (CTFontTableTag)(uintptr_t) CFArrayGetValueAtIndex (arr, i);
table_tags[i - start_offset] = tag;
}
done:
CFRelease (arr);
CFRelease (ct_font);
return population;
}
static void
_hb_cg_font_release (void *data)
{
CGFontRelease ((CGFontRef) data);
}
static CTFontDescriptorRef
get_last_resort_font_desc ()
{
// TODO Handle allocation failures?
CTFontDescriptorRef last_resort = CTFontDescriptorCreateWithNameAndSize (CFSTR("LastResort"), 0);
CFArrayRef cascade_list = CFArrayCreate (kCFAllocatorDefault,
(const void **) &last_resort,
1,
&kCFTypeArrayCallBacks);
CFRelease (last_resort);
CFDictionaryRef attributes = CFDictionaryCreate (kCFAllocatorDefault,
(const void **) &kCTFontCascadeListAttribute,
(const void **) &cascade_list,
1,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFRelease (cascade_list);
CTFontDescriptorRef font_desc = CTFontDescriptorCreateWithAttributes (attributes);
CFRelease (attributes);
return font_desc;
}
static void
release_data (void *info, const void *data, size_t size)
{
assert (hb_blob_get_length ((hb_blob_t *) info) == size &&
hb_blob_get_data ((hb_blob_t *) info, nullptr) == data);
hb_blob_destroy ((hb_blob_t *) info);
}
CGFontRef
create_cg_font (CFArrayRef ct_font_desc_array, unsigned int named_instance_index)
{
if (named_instance_index == 0)
{
// Default instance. We don't know which one is it. Return the first one.
// We will set the correct variations on it later.
}
else
named_instance_index--;
auto ct_font_desc = (CFArrayGetCount (ct_font_desc_array) > named_instance_index) ?
(CTFontDescriptorRef) CFArrayGetValueAtIndex (ct_font_desc_array, named_instance_index) : nullptr;
if (unlikely (!ct_font_desc))
{
CFRelease (ct_font_desc_array);
return nullptr;
}
auto ct_font = ct_font_desc ? CTFontCreateWithFontDescriptor (ct_font_desc, 0, nullptr) : nullptr;
CFRelease (ct_font_desc_array);
if (unlikely (!ct_font))
return nullptr;
auto cg_font = ct_font ? CTFontCopyGraphicsFont (ct_font, nullptr) : nullptr;
CFRelease (ct_font);
return cg_font;
}
CGFontRef
create_cg_font (hb_blob_t *blob, unsigned int index)
{
hb_blob_make_immutable (blob);
unsigned int blob_length;
const char *blob_data = hb_blob_get_data (blob, &blob_length);
if (unlikely (!blob_length))
DEBUG_MSG (CORETEXT, blob, "Empty blob");
unsigned ttc_index = index & 0xFFFF;
unsigned named_instance_index = index >> 16;
if (ttc_index != 0)
{
DEBUG_MSG (CORETEXT, blob, "TTC index %u not supported", ttc_index);
return nullptr; // CoreText does not support TTCs
}
if (unlikely (named_instance_index != 0))
{
// https://github.com/harfbuzz/harfbuzz/issues/5300
#if (defined(__IPHONE_OS_VERSION_MIN_REQUIRED) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 110000) || \
(defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101300) || \
(defined(__TV_OS_VERSION_MIN_REQUIRED) && __TV_OS_VERSION_MIN_REQUIRED >= 110000) || \
(defined(__WATCH_OS_VERSION_MIN_REQUIRED) && __WATCH_OS_VERSION_MIN_REQUIRED >= 40000) || \
(defined(__MACCATALYST_VERSION_MIN_REQUIRED) && __MACCATALYST_VERSION_MIN_REQUIRED >= 130100) || \
(defined(__VISION_OS_VERSION_MIN_REQUIRED) && __VISION_OS_VERSION_MIN_REQUIRED >= 10000)
auto ct_font_desc_array = CTFontManagerCreateFontDescriptorsFromData (CFDataCreate (kCFAllocatorDefault, (const UInt8 *) blob_data, blob_length));
if (likely (ct_font_desc_array))
return create_cg_font (ct_font_desc_array, named_instance_index);
#endif
return nullptr;
}
hb_blob_reference (blob);
CGDataProviderRef provider = CGDataProviderCreateWithData (blob, blob_data, blob_length, &release_data);
CGFontRef cg_font = nullptr;
if (likely (provider))
{
cg_font = CGFontCreateWithDataProvider (provider);
if (unlikely (!cg_font))
DEBUG_MSG (CORETEXT, blob, "CGFontCreateWithDataProvider() failed");
CGDataProviderRelease (provider);
}
return cg_font;
}
CGFontRef
create_cg_font (hb_face_t *face)
{
CGFontRef cg_font = nullptr;
if (face->destroy == _hb_cg_font_release)
cg_font = CGFontRetain ((CGFontRef) face->user_data);
else
{
hb_blob_t *blob = hb_face_reference_blob (face);
cg_font = create_cg_font (blob, face->index);
hb_blob_destroy (blob);
}
return cg_font;
}
CTFontRef
create_ct_font (CGFontRef cg_font, CGFloat font_size)
{
CTFontRef ct_font = nullptr;
/* CoreText does not enable trak table usage / tracking when creating a CTFont
* using CTFontCreateWithGraphicsFont. The only way of enabling tracking seems
* to be through the CTFontCreateUIFontForLanguage call. */
CFStringRef cg_postscript_name = CGFontCopyPostScriptName (cg_font);
if (CFStringHasPrefix (cg_postscript_name, CFSTR (".SFNSText")) ||
CFStringHasPrefix (cg_postscript_name, CFSTR (".SFNSDisplay")))
{
#if !(defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE) && MAC_OS_X_VERSION_MIN_REQUIRED < 1080
# define kCTFontUIFontSystem kCTFontSystemFontType
# define kCTFontUIFontEmphasizedSystem kCTFontEmphasizedSystemFontType
#endif
CTFontUIFontType font_type = kCTFontUIFontSystem;
if (CFStringHasSuffix (cg_postscript_name, CFSTR ("-Bold")))
font_type = kCTFontUIFontEmphasizedSystem;
ct_font = CTFontCreateUIFontForLanguage (font_type, font_size, nullptr);
CFStringRef ct_result_name = CTFontCopyPostScriptName(ct_font);
if (CFStringCompare (ct_result_name, cg_postscript_name, 0) != kCFCompareEqualTo)
{
CFRelease(ct_font);
ct_font = nullptr;
}
CFRelease (ct_result_name);
}
CFRelease (cg_postscript_name);
if (!ct_font)
ct_font = CTFontCreateWithGraphicsFont (cg_font, font_size, nullptr, nullptr);
if (unlikely (!ct_font)) {
DEBUG_MSG (CORETEXT, cg_font, "Font CTFontCreateWithGraphicsFont() failed");
return nullptr;
}
/* crbug.com/576941 and crbug.com/625902 and the investigation in the latter
* bug indicate that the cascade list reconfiguration occasionally causes
* crashes in CoreText on OS X 10.9, thus let's skip this step on older
* operating system versions. Except for the emoji font, where _not_
* reconfiguring the cascade list causes CoreText crashes. For details, see
* crbug.com/549610 */
// 0x00070000 stands for "kCTVersionNumber10_10", see CoreText.h
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
if (&CTGetCoreTextVersion != nullptr && CTGetCoreTextVersion() < 0x00070000) {
#pragma GCC diagnostic pop
CFStringRef fontName = CTFontCopyPostScriptName (ct_font);
bool isEmojiFont = CFStringCompare (fontName, CFSTR("AppleColorEmoji"), 0) == kCFCompareEqualTo;
CFRelease (fontName);
if (!isEmojiFont)
return ct_font;
}
CFURLRef original_url = nullptr;
#if !(defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE) && MAC_OS_X_VERSION_MIN_REQUIRED < 1060
ATSFontRef atsFont;
FSRef fsref;
OSStatus status;
atsFont = CTFontGetPlatformFont (ct_font, NULL);
status = ATSFontGetFileReference (atsFont, &fsref);
if (status == noErr)
original_url = CFURLCreateFromFSRef (NULL, &fsref);
#else
original_url = (CFURLRef) CTFontCopyAttribute (ct_font, kCTFontURLAttribute);
#endif
/* Create font copy with cascade list that has LastResort first; this speeds up CoreText
* font fallback which we don't need anyway. */
{
CTFontDescriptorRef last_resort_font_desc = get_last_resort_font_desc ();
CTFontRef new_ct_font = CTFontCreateCopyWithAttributes (ct_font, 0.0, nullptr, last_resort_font_desc);
CFRelease (last_resort_font_desc);
if (new_ct_font)
{
/* The CTFontCreateCopyWithAttributes call fails to stay on the same font
* when reconfiguring the cascade list and may switch to a different font
* when there are fonts that go by the same name, since the descriptor is
* just name and size.
*
* Avoid reconfiguring the cascade lists if the new font is outside the
* system locations that we cannot access from the sandboxed renderer
* process in Blink. This can be detected by the new file URL location
* that the newly found font points to. */
CFURLRef new_url = nullptr;
#if !(defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE) && MAC_OS_X_VERSION_MIN_REQUIRED < 1060
atsFont = CTFontGetPlatformFont (new_ct_font, NULL);
status = ATSFontGetFileReference (atsFont, &fsref);
if (status == noErr)
new_url = CFURLCreateFromFSRef (NULL, &fsref);
#else
new_url = (CFURLRef) CTFontCopyAttribute (new_ct_font, kCTFontURLAttribute);
#endif
// Keep reconfigured font if URL cannot be retrieved (seems to be the case
// on Mac OS 10.12 Sierra), speculative fix for crbug.com/625606
if (!original_url || !new_url || CFEqual (original_url, new_url)) {
CFRelease (ct_font);
ct_font = new_ct_font;
} else {
CFRelease (new_ct_font);
DEBUG_MSG (CORETEXT, ct_font, "Discarding reconfigured CTFont, location changed.");
}
if (new_url)
CFRelease (new_url);
}
else
DEBUG_MSG (CORETEXT, ct_font, "Font copy with empty cascade list failed");
}
if (original_url)
CFRelease (original_url);
return ct_font;
}
/**
* hb_coretext_face_create:
* @cg_font: The CGFontRef to work upon
*
* Creates an #hb_face_t face object from the specified
* CGFontRef.
*
* Return value: (transfer full): The new face object
*
* Since: 0.9.10
*/
hb_face_t *
hb_coretext_face_create (CGFontRef cg_font)
{
hb_face_t *face = hb_face_create_for_tables (_hb_cg_reference_table, CGFontRetain (cg_font), _hb_cg_font_release);
hb_face_set_get_table_tags_func (face, _hb_cg_get_table_tags, cg_font, nullptr);
return face;
}
/**
* hb_coretext_face_create_from_file_or_fail:
* @file_name: A font filename
* @index: The index of the face within the file
*
* Creates an #hb_face_t face object from the specified
* font file and face index.
*
* This is similar in functionality to hb_face_create_from_file_or_fail(),
* but uses the CoreText library for loading the font file.
*
* Return value: (transfer full): The new face object, or `NULL` if
* no face is found at the specified index or the file cannot be read.
*
* Since: 10.1.0
*/
hb_face_t *
hb_coretext_face_create_from_file_or_fail (const char *file_name,
unsigned int index)
{
auto url = CFURLCreateFromFileSystemRepresentation (nullptr,
(const UInt8 *) file_name,
strlen (file_name),
false);
if (unlikely (!url))
return nullptr;
auto ct_font_desc_array = CTFontManagerCreateFontDescriptorsFromURL (url);
if (unlikely (!ct_font_desc_array))
{
CFRelease (url);
return nullptr;
}
unsigned ttc_index = index & 0xFFFF;
unsigned named_instance_index = index >> 16;
if (ttc_index != 0)
{
DEBUG_MSG (CORETEXT, nullptr, "TTC index %u not supported", ttc_index);
return nullptr; // CoreText does not support TTCs
}
auto cg_font = create_cg_font (ct_font_desc_array, named_instance_index);
CFRelease (url);
hb_face_t *face = hb_coretext_face_create (cg_font);
CFRelease (cg_font);
if (unlikely (hb_face_is_immutable (face)))
return nullptr;
hb_face_set_index (face, index);
return face;
}
/**
* hb_coretext_face_create_from_blob_or_fail:
* @blob: A blob containing the font data
* @index: The index of the face within the blob
*
* Creates an #hb_face_t face object from the specified
* blob and face index.
*
* This is similar in functionality to hb_face_create_from_blob_or_fail(),
* but uses the CoreText library for loading the font data.
*
* Return value: (transfer full): The new face object, or `NULL` if
* no face is found at the specified index or the blob cannot be read.
*
* Since: 11.0.0
*/
hb_face_t *
hb_coretext_face_create_from_blob_or_fail (hb_blob_t *blob,
unsigned int index)
{
auto cg_font = create_cg_font (blob, index);
if (unlikely (!cg_font))
return nullptr;
hb_face_t *face = hb_coretext_face_create (cg_font);
CFRelease (cg_font);
if (unlikely (hb_face_is_immutable (face)))
return nullptr;
hb_face_set_index (face, index);
return face;
}
/**
* hb_coretext_face_get_cg_font:
* @face: The #hb_face_t to work upon
*
* Fetches the CGFontRef associated with an #hb_face_t
* face object
*
* Return value: the CGFontRef found
*
* Since: 0.9.10
*/
CGFontRef
hb_coretext_face_get_cg_font (hb_face_t *face)
{
return (CGFontRef) (const void *) face->data.coretext;
}
/**
* hb_coretext_font_create:
* @ct_font: The CTFontRef to work upon
*
* Creates an #hb_font_t font object from the specified
* CTFontRef.
*
* The created font uses the default font functions implemented
* natively by HarfBuzz. If you want to use the CoreText font functions
* instead (rarely needed), you can do so by calling
* by hb_coretext_font_set_funcs().
*
* Return value: (transfer full): The new font object
*
* Since: 1.7.2
**/
hb_font_t *
hb_coretext_font_create (CTFontRef ct_font)
{
CGFontRef cg_font = CTFontCopyGraphicsFont (ct_font, nullptr);
hb_face_t *face = hb_coretext_face_create (cg_font);
CFRelease (cg_font);
hb_font_t *font = hb_font_create (face);
hb_face_destroy (face);
if (unlikely (hb_object_is_immutable (font)))
return font;
hb_font_set_ptem (font, CTFontGetSize (ct_font));
/* Copy font variations */
CFDictionaryRef variations = CTFontCopyVariation (ct_font);
if (variations)
{
hb_vector_t<hb_variation_t> vars;
hb_vector_t<CFTypeRef> keys;
hb_vector_t<CFTypeRef> values;
CFIndex count = CFDictionaryGetCount (variations);
if (unlikely (!vars.alloc_exact (count) || !keys.resize_exact (count) || !values.resize_exact (count)))
goto done;
// Fetch them one by one and collect in a vector of our own.
CFDictionaryGetKeysAndValues (variations, keys.arrayZ, values.arrayZ);
for (CFIndex i = 0; i < count; i++)
{
int tag;
float value;
CFNumberGetValue ((CFNumberRef) keys.arrayZ[i], kCFNumberIntType, &tag);
CFNumberGetValue ((CFNumberRef) values.arrayZ[i], kCFNumberFloatType, &value);
hb_variation_t var = {tag, value};
vars.push (var);
}
hb_font_set_variations (font, vars.arrayZ, vars.length);
done:
CFRelease (variations);
}
/* Let there be dragons here... */
font->data.coretext.cmpexch (nullptr, (hb_coretext_font_data_t *) CFRetain (ct_font));
// https://github.com/harfbuzz/harfbuzz/pull/4895#issuecomment-2408471254
//hb_coretext_font_set_funcs (font);
return font;
}
/**
* hb_coretext_font_get_ct_font:
* @font: #hb_font_t to work upon
*
* Fetches the CTFontRef associated with the specified
* #hb_font_t font object.
*
* Return value: the CTFontRef found
*
* Since: 0.9.10
*/
CTFontRef
hb_coretext_font_get_ct_font (hb_font_t *font)
{
return (CTFontRef) (const void *) font->data.coretext;
}
#endif

4
thirdparty/harfbuzz/src/hb-coretext.h vendored
View file

@ -84,6 +84,10 @@ HB_EXTERN hb_face_t *
hb_coretext_face_create_from_file_or_fail (const char *file_name,
unsigned int index);
HB_EXTERN hb_face_t *
hb_coretext_face_create_from_blob_or_fail (hb_blob_t *blob,
unsigned int index);
HB_EXTERN hb_font_t *
hb_coretext_font_create (CTFontRef ct_font);

53
thirdparty/harfbuzz/src/hb-coretext.hh vendored Normal file
View file

@ -0,0 +1,53 @@
/*
* Copyright © 2012,2013 Mozilla Foundation.
* Copyright © 2012,2013 Google, Inc.
*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Mozilla Author(s): Jonathan Kew
* Google Author(s): Behdad Esfahbod
*/
#ifndef HB_CORETEXT_HH
#define HB_CORETEXT_HH
#include "hb.hh"
#include "hb-coretext.h"
#include "hb-aat-layout.hh"
HB_INTERNAL CGFontRef
create_cg_font (CFArrayRef ct_font_desc_array, unsigned int index);
HB_INTERNAL CGFontRef
create_cg_font (hb_blob_t *blob, unsigned int index);
HB_INTERNAL CGFontRef
create_cg_font (hb_face_t *face);
HB_INTERNAL CTFontRef
create_ct_font (CGFontRef cg_font, CGFloat font_size);
#endif /* HB_CORETEXT_HH */

6
thirdparty/harfbuzz/src/hb-debug.hh vendored
View file

@ -49,15 +49,15 @@ struct hb_options_t
};
union hb_options_union_t {
int i;
unsigned i;
hb_options_t opts;
};
static_assert ((sizeof (hb_atomic_int_t) >= sizeof (hb_options_union_t)), "");
static_assert ((sizeof (hb_atomic_t<unsigned>) >= sizeof (hb_options_union_t)), "");
HB_INTERNAL void
_hb_options_init ();
extern HB_INTERNAL hb_atomic_int_t _hb_options;
extern HB_INTERNAL hb_atomic_t<unsigned> _hb_options;
static inline hb_options_t
hb_options ()

82
thirdparty/harfbuzz/src/hb-deprecated.h vendored
View file

@ -275,6 +275,48 @@ typedef void (*hb_font_get_glyph_shape_func_t) (hb_font_t *font, void *font_data
hb_draw_funcs_t *draw_funcs, void *draw_data,
void *user_data);
/**
* hb_font_draw_glyph_func_t:
* @font: #hb_font_t to work upon
* @font_data: @font user data pointer
* @glyph: The glyph ID to query
* @draw_funcs: The draw functions to send the shape data to
* @draw_data: The data accompanying the draw functions
* @user_data: User data pointer passed by the caller
*
* A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
*
* Since: 7.0.0
* XDeprecated: REPLACEME: Use hb_font_draw_glyph_func_or_fail_t instead.
**/
typedef void (*hb_font_draw_glyph_func_t) (hb_font_t *font, void *font_data,
hb_codepoint_t glyph,
hb_draw_funcs_t *draw_funcs, void *draw_data,
void *user_data);
/**
* hb_font_paint_glyph_func_t:
* @font: #hb_font_t to work upon
* @font_data: @font user data pointer
* @glyph: The glyph ID to query
* @paint_funcs: The paint functions to use
* @paint_data: The data accompanying the paint functions
* @palette_index: The color palette to use
* @foreground: The foreground color
* @user_data: User data pointer passed by the caller
*
* A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
*
* Since: 7.0.0
* XDeprecated: REPLACEME: Use hb_font_paint_glyph_or_fail_func_t instead.
*/
typedef hb_bool_t (*hb_font_paint_glyph_func_t) (hb_font_t *font, void *font_data,
hb_codepoint_t glyph,
hb_paint_funcs_t *paint_funcs, void *paint_data,
unsigned int palette_index,
hb_color_t foreground,
void *user_data);
/**
* hb_font_funcs_set_glyph_shape_func:
* @ffuncs: A font-function structure
@ -288,13 +330,49 @@ typedef void (*hb_font_get_glyph_shape_func_t) (hb_font_t *font, void *font_data
* Since: 4.0.0
* Deprecated: 7.0.0: Use hb_font_funcs_set_draw_glyph_func() instead
**/
HB_DEPRECATED_FOR (hb_font_funcs_set_draw_glyph_func)
HB_DEPRECATED_FOR (hb_font_funcs_set_draw_glyph_or_fail_func)
HB_EXTERN void
hb_font_funcs_set_glyph_shape_func (hb_font_funcs_t *ffuncs,
hb_font_get_glyph_shape_func_t func,
void *user_data, hb_destroy_func_t destroy);
HB_DEPRECATED_FOR (hb_font_draw_glyph)
/**
* hb_font_funcs_set_draw_glyph_func:
* @ffuncs: A font-function structure
* @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign
* @user_data: Data to pass to @func
* @destroy: (nullable): The function to call when @user_data is not needed anymore
*
* Sets the implementation function for #hb_font_draw_glyph_func_t.
*
* Since: 7.0.0
* XDeprecated: REPLACEME: Use hb_font_funcs_set_draw_glyph_or_fail_func instead.
**/
HB_DEPRECATED_FOR (hb_font_funcs_set_draw_glyph_or_fail_func)
HB_EXTERN void
hb_font_funcs_set_draw_glyph_func (hb_font_funcs_t *ffuncs,
hb_font_draw_glyph_func_t func,
void *user_data, hb_destroy_func_t destroy);
/**
* hb_font_funcs_set_paint_glyph_func:
* @ffuncs: A font-function structure
* @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign
* @user_data: Data to pass to @func
* @destroy: (nullable): The function to call when @user_data is no longer needed
*
* Sets the implementation function for #hb_font_paint_glyph_func_t.
*
* Since: 7.0.0
* XDeprecated: REPLACEME: Use hb_font_funcs_set_paint_glyph_or_fail_func() instead.
*/
HB_DEPRECATED_FOR (hb_font_funcs_set_paint_glyph_or_fail_func)
HB_EXTERN void
hb_font_funcs_set_paint_glyph_func (hb_font_funcs_t *ffuncs,
hb_font_paint_glyph_func_t func,
void *user_data, hb_destroy_func_t destroy);
HB_DEPRECATED_FOR (hb_font_draw_glyph_or_fail)
HB_EXTERN void
hb_font_get_glyph_shape (hb_font_t *font,
hb_codepoint_t glyph,

392
thirdparty/harfbuzz/src/hb-directwrite-font.cc vendored Normal file
View file

@ -0,0 +1,392 @@
/*
* Copyright © 2025 Google, Inc.
*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Author(s): Behdad Esfahbod
*/
#include "hb.hh"
#ifdef HAVE_DIRECTWRITE
#include "hb-directwrite.h"
#include <d2d1.h>
#include "hb-draw.hh"
#include "hb-font.hh"
#include "hb-machinery.hh"
#define MAX_GLYPHS 256u
static unsigned int
hb_directwrite_get_nominal_glyphs (hb_font_t *font,
void *font_data HB_UNUSED,
unsigned int count,
const hb_codepoint_t *first_unicode,
unsigned int unicode_stride,
hb_codepoint_t *first_glyph,
unsigned int glyph_stride,
void *user_data HB_UNUSED)
{
IDWriteFontFace *dw_face = (IDWriteFontFace *) (const void *) font->data.directwrite;
for (unsigned i = 0; i < count;)
{
UINT32 unicodes[MAX_GLYPHS];
UINT16 gids[MAX_GLYPHS];
unsigned n = hb_min (MAX_GLYPHS, count - i);
for (unsigned j = 0; j < n; j++)
{
unicodes[j] = *first_unicode;
first_unicode = &StructAtOffset<const hb_codepoint_t> (first_unicode, unicode_stride);
}
if (!SUCCEEDED (dw_face->GetGlyphIndices (unicodes, n, gids)))
return i;
for (unsigned j = 0; j < n; j++)
{
if (!gids[j])
return i + j;
*first_glyph = gids[j];
first_glyph = &StructAtOffset<hb_codepoint_t> (first_glyph, glyph_stride);
}
i += n;
}
return count;
}
static hb_bool_t
hb_directwrite_get_font_h_extents (hb_font_t *font,
void *font_data HB_UNUSED,
hb_font_extents_t *metrics,
void *user_data HB_UNUSED)
{
IDWriteFontFace *dw_face = (IDWriteFontFace *) (const void *) font->data.directwrite;
DWRITE_FONT_METRICS dw_metrics;
dw_face->GetMetrics (&dw_metrics);
metrics->ascender = font->em_scale_y (dw_metrics.ascent);
metrics->descender = -font->em_scale_y (dw_metrics.descent);
metrics->line_gap = font->em_scale_y (dw_metrics.lineGap);
return true;
}
static void
hb_directwrite_get_glyph_h_advances (hb_font_t* font,
void* font_data HB_UNUSED,
unsigned count,
const hb_codepoint_t *first_glyph,
unsigned glyph_stride,
hb_position_t *first_advance,
unsigned advance_stride,
void *user_data HB_UNUSED)
{
IDWriteFontFace *dw_face = (IDWriteFontFace *) (const void *) font->data.directwrite;
IDWriteFontFace1 *dw_face1 = nullptr;
dw_face->QueryInterface (__uuidof(IDWriteFontFace1), (void**)&dw_face1);
assert (dw_face1);
unsigned int num_glyphs = font->face->get_num_glyphs ();
for (unsigned i = 0; i < count;)
{
UINT16 gids[MAX_GLYPHS];
INT32 advances[MAX_GLYPHS];
unsigned n = hb_min (MAX_GLYPHS, count - i);
for (unsigned j = 0; j < n; j++)
{
gids[j] = *first_glyph;
advances[j] = 0;
first_glyph = &StructAtOffset<const hb_codepoint_t> (first_glyph, glyph_stride);
}
dw_face1->GetDesignGlyphAdvances (n, gids, advances, false);
for (unsigned j = 0; j < n; j++)
{
// https://github.com/harfbuzz/harfbuzz/issues/5319
auto advance = gids[j] < num_glyphs ? advances[j] : 0;
*first_advance = font->em_scale_x (advance);
first_advance = &StructAtOffset<hb_position_t> (first_advance, advance_stride);
}
i += n;
}
}
#ifndef HB_NO_VERTICAL
static void
hb_directwrite_get_glyph_v_advances (hb_font_t* font,
void* font_data HB_UNUSED,
unsigned count,
const hb_codepoint_t *first_glyph,
unsigned glyph_stride,
hb_position_t *first_advance,
unsigned advance_stride,
void *user_data HB_UNUSED)
{
IDWriteFontFace *dw_face = (IDWriteFontFace *) (const void *) font->data.directwrite;
IDWriteFontFace1 *dw_face1 = nullptr;
dw_face->QueryInterface (__uuidof(IDWriteFontFace1), (void**)&dw_face1);
assert (dw_face1);
for (unsigned i = 0; i < count;)
{
UINT16 gids[MAX_GLYPHS];
INT32 advances[MAX_GLYPHS];
unsigned n = hb_min (MAX_GLYPHS, count - i);
for (unsigned j = 0; j < n; j++)
{
gids[j] = *first_glyph;
advances[j] = 0;
first_glyph = &StructAtOffset<const hb_codepoint_t> (first_glyph, glyph_stride);
}
dw_face1->GetDesignGlyphAdvances (n, gids, advances, true);
for (unsigned j = 0; j < n; j++)
{
*first_advance = -font->em_scale_y (advances[j]);
first_advance = &StructAtOffset<hb_position_t> (first_advance, advance_stride);
}
i += n;
}
}
static hb_bool_t
hb_directwrite_get_glyph_v_origin (hb_font_t *font,
void *font_data HB_UNUSED,
hb_codepoint_t glyph,
hb_position_t *x,
hb_position_t *y,
void *user_data HB_UNUSED)
{
IDWriteFontFace *dw_face = (IDWriteFontFace *) (const void *) font->data.directwrite;
UINT16 gid = glyph;
DWRITE_GLYPH_METRICS metrics;
if (FAILED (dw_face->GetDesignGlyphMetrics (&gid, 1, &metrics)))
return false;
*x = font->em_scale_x (metrics.advanceWidth / 2);
*y = font->em_scale_y (metrics.verticalOriginY); // Untested
return true;
}
#endif
static hb_bool_t
hb_directwrite_get_glyph_extents (hb_font_t *font,
void *font_data HB_UNUSED,
hb_codepoint_t glyph,
hb_glyph_extents_t *extents,
void *user_data HB_UNUSED)
{
IDWriteFontFace *dw_face = (IDWriteFontFace *) (const void *) font->data.directwrite;
UINT16 gid = glyph;
DWRITE_GLYPH_METRICS metrics;
if (FAILED (dw_face->GetDesignGlyphMetrics (&gid, 1, &metrics)))
return false;
extents->x_bearing = font->em_scale_x (metrics.leftSideBearing);
extents->y_bearing = font->em_scale_y (metrics.verticalOriginY - metrics.topSideBearing);
extents->width = font->em_scale_x (metrics.advanceWidth - metrics.rightSideBearing) - extents->x_bearing;
extents->height = font->em_scale_y (metrics.verticalOriginY - metrics.advanceHeight + metrics.bottomSideBearing) - extents->y_bearing; // Magic
return true;
}
#ifndef HB_NO_DRAW
class GeometrySink : public IDWriteGeometrySink
{
hb_font_t *font;
hb_draw_session_t drawing;
public:
GeometrySink(hb_font_t *font,
hb_draw_funcs_t *draw_funcs,
void *draw_data)
: font (font), drawing ({draw_funcs, draw_data}) {}
virtual ~GeometrySink() {}
HRESULT STDMETHODCALLTYPE Close() override { return S_OK; }
void STDMETHODCALLTYPE SetFillMode(D2D1_FILL_MODE) override {}
void STDMETHODCALLTYPE SetSegmentFlags(D2D1_PATH_SEGMENT) override {}
IFACEMETHOD(QueryInterface)(REFIID, void **) override { return E_NOINTERFACE; }
IFACEMETHOD_(ULONG, AddRef)() override { return 1; }
IFACEMETHOD_(ULONG, Release)() override { return 1; }
void STDMETHODCALLTYPE BeginFigure(D2D1_POINT_2F startPoint, D2D1_FIGURE_BEGIN) override
{
drawing.move_to (font->em_scalef_x (startPoint.x), -font->em_scalef_y (startPoint.y));
}
void STDMETHODCALLTYPE AddBeziers(const D2D1_BEZIER_SEGMENT *beziers, UINT beziersCount) override
{
for (unsigned i = 0; i < beziersCount; ++i)
drawing.cubic_to (font->em_scalef_x (beziers[i].point1.x), -font->em_scalef_y (beziers[i].point1.y),
font->em_scalef_x (beziers[i].point2.x), -font->em_scalef_y (beziers[i].point2.y),
font->em_scalef_x (beziers[i].point3.x), -font->em_scalef_y (beziers[i].point3.y));
}
void STDMETHODCALLTYPE AddLines(const D2D1_POINT_2F *points, UINT pointsCount) override
{
for (unsigned i = 0; i < pointsCount; ++i)
drawing.line_to (font->em_scalef_x (points[i].x), -font->em_scalef_y (points[i].y));
}
void STDMETHODCALLTYPE EndFigure(D2D1_FIGURE_END) override
{
drawing.close_path ();
}
};
static hb_bool_t
hb_directwrite_draw_glyph_or_fail (hb_font_t *font,
void *font_data HB_UNUSED,
hb_codepoint_t glyph,
hb_draw_funcs_t *draw_funcs, void *draw_data,
void *user_data)
{
IDWriteFontFace *dw_face = (IDWriteFontFace *) (const void *) font->data.directwrite;
GeometrySink sink (font, draw_funcs, draw_data);
UINT16 gid = static_cast<UINT16>(glyph);
unsigned upem = font->face->get_upem();
return S_OK == dw_face->GetGlyphRunOutline (upem,
&gid, nullptr, nullptr,
1,
false, false,
&sink);
}
#endif
static inline void free_static_directwrite_funcs ();
static struct hb_directwrite_font_funcs_lazy_loader_t : hb_font_funcs_lazy_loader_t<hb_directwrite_font_funcs_lazy_loader_t>
{
static hb_font_funcs_t *create ()
{
hb_font_funcs_t *funcs = hb_font_funcs_create ();
hb_font_funcs_set_nominal_glyphs_func (funcs, hb_directwrite_get_nominal_glyphs, nullptr, nullptr);
//hb_font_funcs_set_variation_glyph_func (funcs, hb_directwrite_get_variation_glyph, nullptr, nullptr);
hb_font_funcs_set_font_h_extents_func (funcs, hb_directwrite_get_font_h_extents, nullptr, nullptr);
hb_font_funcs_set_glyph_h_advances_func (funcs, hb_directwrite_get_glyph_h_advances, nullptr, nullptr);
#ifndef HB_NO_VERTICAL
hb_font_funcs_set_glyph_v_advances_func (funcs, hb_directwrite_get_glyph_v_advances, nullptr, nullptr);
hb_font_funcs_set_glyph_v_origin_func (funcs, hb_directwrite_get_glyph_v_origin, nullptr, nullptr);
#endif
#ifndef HB_NO_DRAW
hb_font_funcs_set_draw_glyph_or_fail_func (funcs, hb_directwrite_draw_glyph_or_fail, nullptr, nullptr);
#endif
hb_font_funcs_set_glyph_extents_func (funcs, hb_directwrite_get_glyph_extents, nullptr, nullptr);
#ifndef HB_NO_OT_FONT_GLYPH_NAMES
//hb_font_funcs_set_glyph_name_func (funcs, hb_directwrite_get_glyph_name, nullptr, nullptr);
//hb_font_funcs_set_glyph_from_name_func (funcs, hb_directwrite_get_glyph_from_name, nullptr, nullptr);
#endif
hb_font_funcs_make_immutable (funcs);
hb_atexit (free_static_directwrite_funcs);
return funcs;
}
} static_directwrite_funcs;
static inline
void free_static_directwrite_funcs ()
{
static_directwrite_funcs.free_instance ();
}
static hb_font_funcs_t *
_hb_directwrite_get_font_funcs ()
{
return static_directwrite_funcs.get_unconst ();
}
/**
* hb_directwrite_font_set_funcs:
* @font: #hb_font_t to work upon
*
* Configures the font-functions structure of the specified
* #hb_font_t font object to use DirectWrite font functions.
*
* In particular, you can use this function to configure an
* existing #hb_face_t face object for use with DirectWrite font
* functions even if that #hb_face_t face object was initially
* created with hb_face_create(), and therefore was not
* initially configured to use DirectWrite font functions.
*
* <note>Note: Internally, this function creates a DirectWrite font.
* </note>
*
* Since: 11.0.0
**/
void
hb_directwrite_font_set_funcs (hb_font_t *font)
{
IDWriteFontFace *dw_face = (IDWriteFontFace *) (const void *) font->data.directwrite;
if (unlikely (!dw_face))
{
hb_font_set_funcs (font,
hb_font_funcs_get_empty (),
nullptr, nullptr);
return;
}
dw_face->AddRef ();
hb_font_set_funcs (font,
_hb_directwrite_get_font_funcs (),
nullptr, nullptr);
}
#undef MAX_GLYPHS
#endif

656
thirdparty/harfbuzz/src/hb-directwrite-shape.cc vendored Normal file
View file

@ -0,0 +1,656 @@
/*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Author(s): Behdad Esfahbod
*/
#include "hb.hh"
#ifdef HAVE_DIRECTWRITE
#include "hb-shaper-impl.hh"
#include "hb-directwrite.hh"
#include "hb-ms-feature-ranges.hh"
/*
* shaper face data
*/
hb_directwrite_face_data_t *
_hb_directwrite_shaper_face_data_create (hb_face_t *face)
{
hb_blob_t *blob = hb_face_reference_blob (face);
hb_directwrite_face_data_t *data = (hb_directwrite_face_data_t *) dw_face_create (blob, face->index);
hb_blob_destroy (blob);
return data;
}
void
_hb_directwrite_shaper_face_data_destroy (hb_directwrite_face_data_t *data)
{
((IDWriteFontFace *) data)->Release ();
}
/*
* shaper font data
*/
struct hb_directwrite_font_data_t {};
hb_directwrite_font_data_t *
_hb_directwrite_shaper_font_data_create (hb_font_t *font)
{
IDWriteFontFace *fontFace = (IDWriteFontFace *) (const void *) font->face->data.directwrite;
/*
* Set up variations.
*/
IDWriteFontFace5 *fontFaceVariations = nullptr;
{
IDWriteFontFace5 *fontFace5;
if (SUCCEEDED (fontFace->QueryInterface (__uuidof (IDWriteFontFace5), (void **) &fontFace5)))
{
IDWriteFontResource *fontResource;
if (SUCCEEDED (fontFace5->GetFontResource (&fontResource)))
{
hb_vector_t<DWRITE_FONT_AXIS_VALUE> axis_values;
if (likely (axis_values.resize_exact (font->num_coords)))
{
for (unsigned int i = 0; i < font->num_coords; i++)
{
hb_ot_var_axis_info_t info;
unsigned int c = 1;
hb_ot_var_get_axis_infos (font->face, i, &c, &info);
axis_values[i].axisTag = (DWRITE_FONT_AXIS_TAG) hb_uint32_swap (info.tag);
axis_values[i].value = i < font->num_coords ?
hb_clamp (font->design_coords[i], info.min_value, info.max_value) :
info.default_value;
}
fontResource->CreateFontFace (DWRITE_FONT_SIMULATIONS::DWRITE_FONT_SIMULATIONS_NONE,
axis_values.arrayZ, axis_values.length, &fontFaceVariations);
}
fontResource->Release ();
}
fontFace5->Release ();
}
}
return (hb_directwrite_font_data_t *) fontFaceVariations;
}
void
_hb_directwrite_shaper_font_data_destroy (hb_directwrite_font_data_t *data)
{
((IDWriteFontFace *) (const void *) data)->Release ();
}
// Most of TextAnalysis is originally written by Bas Schouten for Mozilla project
// but now is relicensed to MIT for HarfBuzz use
class TextAnalysis : public IDWriteTextAnalysisSource, public IDWriteTextAnalysisSink
{
private:
hb_reference_count_t mRefCount;
public:
IFACEMETHOD (QueryInterface) (IID const& iid, OUT void** ppObject)
{ return S_OK; }
IFACEMETHOD_ (ULONG, AddRef) ()
{
return mRefCount.inc () + 1;
}
IFACEMETHOD_ (ULONG, Release) ()
{
signed refCount = mRefCount.dec () - 1;
assert (refCount >= 0);
if (refCount)
return refCount;
delete this;
return 0;
}
// A single contiguous run of characters containing the same analysis
// results.
struct Run
{
uint32_t mTextStart; // starting text position of this run
uint32_t mTextLength; // number of contiguous code units covered
uint32_t mGlyphStart; // starting glyph in the glyphs array
uint32_t mGlyphCount; // number of glyphs associated with this run
// text
DWRITE_SCRIPT_ANALYSIS mScript;
uint8_t mBidiLevel;
bool mIsSideways;
bool ContainsTextPosition (uint32_t aTextPosition) const
{
return aTextPosition >= mTextStart &&
aTextPosition < mTextStart + mTextLength;
}
Run *nextRun;
};
public:
TextAnalysis (const wchar_t* text, uint32_t textLength,
const wchar_t* localeName, DWRITE_READING_DIRECTION readingDirection)
: mTextLength (textLength), mText (text), mLocaleName (localeName),
mReadingDirection (readingDirection), mCurrentRun (nullptr)
{
mRefCount.init ();
}
virtual ~TextAnalysis ()
{
// delete runs, except mRunHead which is part of the TextAnalysis object
for (Run *run = mRunHead.nextRun; run;)
{
Run *origRun = run;
run = run->nextRun;
delete origRun;
}
}
STDMETHODIMP
GenerateResults (IDWriteTextAnalyzer* textAnalyzer, Run **runHead)
{
// Analyzes the text using the script analyzer and returns
// the result as a series of runs.
HRESULT hr = S_OK;
// Initially start out with one result that covers the entire range.
// This result will be subdivided by the analysis processes.
mRunHead.mTextStart = 0;
mRunHead.mTextLength = mTextLength;
mRunHead.mBidiLevel =
(mReadingDirection == DWRITE_READING_DIRECTION_RIGHT_TO_LEFT);
mRunHead.nextRun = nullptr;
mCurrentRun = &mRunHead;
// Call each of the analyzers in sequence, recording their results.
if (SUCCEEDED (hr = textAnalyzer->AnalyzeScript (this, 0, mTextLength, this)))
*runHead = &mRunHead;
return hr;
}
// IDWriteTextAnalysisSource implementation
IFACEMETHODIMP
GetTextAtPosition (uint32_t textPosition,
OUT wchar_t const** textString,
OUT uint32_t* textLength)
{
if (textPosition >= mTextLength)
{
// No text at this position, valid query though.
*textString = nullptr;
*textLength = 0;
}
else
{
*textString = mText + textPosition;
*textLength = mTextLength - textPosition;
}
return S_OK;
}
IFACEMETHODIMP
GetTextBeforePosition (uint32_t textPosition,
OUT wchar_t const** textString,
OUT uint32_t* textLength)
{
if (textPosition == 0 || textPosition > mTextLength)
{
// Either there is no text before here (== 0), or this
// is an invalid position. The query is considered valid though.
*textString = nullptr;
*textLength = 0;
}
else
{
*textString = mText;
*textLength = textPosition;
}
return S_OK;
}
IFACEMETHODIMP_ (DWRITE_READING_DIRECTION)
GetParagraphReadingDirection () { return mReadingDirection; }
IFACEMETHODIMP GetLocaleName (uint32_t textPosition, uint32_t* textLength,
wchar_t const** localeName)
{ return S_OK; }
IFACEMETHODIMP
GetNumberSubstitution (uint32_t textPosition,
OUT uint32_t* textLength,
OUT IDWriteNumberSubstitution** numberSubstitution)
{
// We do not support number substitution.
*numberSubstitution = nullptr;
*textLength = mTextLength - textPosition;
return S_OK;
}
// IDWriteTextAnalysisSink implementation
IFACEMETHODIMP
SetScriptAnalysis (uint32_t textPosition, uint32_t textLength,
DWRITE_SCRIPT_ANALYSIS const* scriptAnalysis)
{
SetCurrentRun (textPosition);
SplitCurrentRun (textPosition);
while (textLength > 0)
{
Run *run = FetchNextRun (&textLength);
run->mScript = *scriptAnalysis;
}
return S_OK;
}
IFACEMETHODIMP
SetLineBreakpoints (uint32_t textPosition,
uint32_t textLength,
const DWRITE_LINE_BREAKPOINT* lineBreakpoints)
{ return S_OK; }
IFACEMETHODIMP SetBidiLevel (uint32_t textPosition, uint32_t textLength,
uint8_t explicitLevel, uint8_t resolvedLevel)
{ return S_OK; }
IFACEMETHODIMP
SetNumberSubstitution (uint32_t textPosition, uint32_t textLength,
IDWriteNumberSubstitution* numberSubstitution)
{ return S_OK; }
protected:
Run *FetchNextRun (IN OUT uint32_t* textLength)
{
// Used by the sink setters, this returns a reference to the next run.
// Position and length are adjusted to now point after the current run
// being returned.
Run *origRun = mCurrentRun;
// Split the tail if needed (the length remaining is less than the
// current run's size).
if (*textLength < mCurrentRun->mTextLength)
SplitCurrentRun (mCurrentRun->mTextStart + *textLength);
else
// Just advance the current run.
mCurrentRun = mCurrentRun->nextRun;
*textLength -= origRun->mTextLength;
// Return a reference to the run that was just current.
return origRun;
}
void SetCurrentRun (uint32_t textPosition)
{
// Move the current run to the given position.
// Since the analyzers generally return results in a forward manner,
// this will usually just return early. If not, find the
// corresponding run for the text position.
if (mCurrentRun && mCurrentRun->ContainsTextPosition (textPosition))
return;
for (Run *run = &mRunHead; run; run = run->nextRun)
if (run->ContainsTextPosition (textPosition))
{
mCurrentRun = run;
return;
}
assert (0); // We should always be able to find the text position in one of our runs
}
void SplitCurrentRun (uint32_t splitPosition)
{
if (!mCurrentRun)
{
assert (0); // SplitCurrentRun called without current run
// Shouldn't be calling this when no current run is set!
return;
}
// Split the current run.
if (splitPosition <= mCurrentRun->mTextStart)
{
// No need to split, already the start of a run
// or before it. Usually the first.
return;
}
Run *newRun = new Run;
*newRun = *mCurrentRun;
// Insert the new run in our linked list.
newRun->nextRun = mCurrentRun->nextRun;
mCurrentRun->nextRun = newRun;
// Adjust runs' text positions and lengths.
uint32_t splitPoint = splitPosition - mCurrentRun->mTextStart;
newRun->mTextStart += splitPoint;
newRun->mTextLength -= splitPoint;
mCurrentRun->mTextLength = splitPoint;
mCurrentRun = newRun;
}
protected:
// Input
// (weak references are fine here, since this class is a transient
// stack-based helper that doesn't need to copy data)
uint32_t mTextLength;
const wchar_t* mText;
const wchar_t* mLocaleName;
DWRITE_READING_DIRECTION mReadingDirection;
// Current processing state.
Run *mCurrentRun;
// Output is a list of runs starting here
Run mRunHead;
};
/*
* shaper
*/
hb_bool_t
_hb_directwrite_shape (hb_shape_plan_t *shape_plan,
hb_font_t *font,
hb_buffer_t *buffer,
const hb_feature_t *features,
unsigned int num_features)
{
IDWriteFontFace *fontFace = (IDWriteFontFace *) (const void *) font->data.directwrite;
auto *global = get_directwrite_global ();
if (unlikely (!global))
return false;
IDWriteFactory *dwriteFactory = global->dwriteFactory;
IDWriteTextAnalyzer* analyzer;
dwriteFactory->CreateTextAnalyzer (&analyzer);
unsigned int scratch_size;
hb_buffer_t::scratch_buffer_t *scratch = buffer->get_scratch_buffer (&scratch_size);
#define ALLOCATE_ARRAY(Type, name, len) \
Type *name = (Type *) scratch; \
do { \
unsigned int _consumed = DIV_CEIL ((len) * sizeof (Type), sizeof (*scratch)); \
assert (_consumed <= scratch_size); \
scratch += _consumed; \
scratch_size -= _consumed; \
} while (0)
#define utf16_index() var1.u32
ALLOCATE_ARRAY (wchar_t, textString, buffer->len * 2);
unsigned int chars_len = 0;
for (unsigned int i = 0; i < buffer->len; i++)
{
hb_codepoint_t c = buffer->info[i].codepoint;
buffer->info[i].utf16_index () = chars_len;
if (likely (c <= 0xFFFFu))
textString[chars_len++] = c;
else if (unlikely (c > 0x10FFFFu))
textString[chars_len++] = 0xFFFDu;
else
{
textString[chars_len++] = 0xD800u + ((c - 0x10000u) >> 10);
textString[chars_len++] = 0xDC00u + ((c - 0x10000u) & ((1u << 10) - 1));
}
}
ALLOCATE_ARRAY (WORD, log_clusters, chars_len);
/* Need log_clusters to assign features. */
chars_len = 0;
for (unsigned int i = 0; i < buffer->len; i++)
{
hb_codepoint_t c = buffer->info[i].codepoint;
unsigned int cluster = buffer->info[i].cluster;
log_clusters[chars_len++] = cluster;
if (hb_in_range (c, 0x10000u, 0x10FFFFu))
log_clusters[chars_len++] = cluster; /* Surrogates. */
}
DWRITE_READING_DIRECTION readingDirection;
readingDirection = buffer->props.direction ?
DWRITE_READING_DIRECTION_RIGHT_TO_LEFT :
DWRITE_READING_DIRECTION_LEFT_TO_RIGHT;
/*
* There's an internal 16-bit limit on some things inside the analyzer,
* but we never attempt to shape a word longer than 64K characters
* in a single gfxShapedWord, so we cannot exceed that limit.
*/
uint32_t textLength = chars_len;
TextAnalysis analysis (textString, textLength, nullptr, readingDirection);
TextAnalysis::Run *runHead;
HRESULT hr;
hr = analysis.GenerateResults (analyzer, &runHead);
#define FAIL(...) \
HB_STMT_START { \
DEBUG_MSG (DIRECTWRITE, nullptr, __VA_ARGS__); \
return false; \
} HB_STMT_END
if (FAILED (hr))
FAIL ("Analyzer failed to generate results.");
uint32_t maxGlyphCount = 3 * textLength / 2 + 16;
uint32_t glyphCount;
bool isRightToLeft = HB_DIRECTION_IS_BACKWARD (buffer->props.direction);
const wchar_t localeName[20] = {0};
if (buffer->props.language)
mbstowcs ((wchar_t*) localeName,
hb_language_to_string (buffer->props.language), 20);
/*
* Set up features.
*/
static_assert ((sizeof (DWRITE_TYPOGRAPHIC_FEATURES) == sizeof (hb_ms_features_t)), "");
static_assert ((sizeof (DWRITE_FONT_FEATURE) == sizeof (hb_ms_feature_t)), "");
hb_vector_t<hb_ms_features_t *> range_features;
hb_vector_t<uint32_t> range_char_counts;
// https://github.com/harfbuzz/harfbuzz/pull/5114
// The data allocated by these two vectors are used by the above two, so they
// should remain alive as long as the above two are.
hb_vector_t<hb_ms_feature_t> feature_records;
hb_vector_t<hb_ms_range_record_t> range_records;
if (num_features)
{
if (hb_ms_setup_features (features, num_features, feature_records, range_records))
{
hb_ms_make_feature_ranges (feature_records,
range_records,
0,
chars_len,
log_clusters,
range_features,
range_char_counts);
}
}
uint16_t* clusterMap;
clusterMap = new uint16_t[textLength];
DWRITE_SHAPING_TEXT_PROPERTIES* textProperties;
textProperties = new DWRITE_SHAPING_TEXT_PROPERTIES[textLength];
retry_getglyphs:
uint16_t* glyphIndices = new uint16_t[maxGlyphCount];
DWRITE_SHAPING_GLYPH_PROPERTIES* glyphProperties;
glyphProperties = new DWRITE_SHAPING_GLYPH_PROPERTIES[maxGlyphCount];
hr = analyzer->GetGlyphs (textString,
chars_len,
fontFace,
false,
isRightToLeft,
&runHead->mScript,
localeName,
nullptr,
(const DWRITE_TYPOGRAPHIC_FEATURES**) range_features.arrayZ,
range_char_counts.arrayZ,
range_features.length,
maxGlyphCount,
clusterMap,
textProperties,
glyphIndices,
glyphProperties,
&glyphCount);
if (unlikely (hr == HRESULT_FROM_WIN32 (ERROR_INSUFFICIENT_BUFFER)))
{
delete [] glyphIndices;
delete [] glyphProperties;
maxGlyphCount *= 2;
goto retry_getglyphs;
}
if (FAILED (hr))
FAIL ("Analyzer failed to get glyphs.");
float* glyphAdvances = new float[maxGlyphCount];
DWRITE_GLYPH_OFFSET* glyphOffsets = new DWRITE_GLYPH_OFFSET[maxGlyphCount];
/* The -2 in the following is to compensate for possible
* alignment needed after the WORD array. sizeof (WORD) == 2. */
unsigned int glyphs_size = (scratch_size * sizeof (int) - 2)
/ (sizeof (WORD) +
sizeof (DWRITE_SHAPING_GLYPH_PROPERTIES) +
sizeof (int) +
sizeof (DWRITE_GLYPH_OFFSET) +
sizeof (uint32_t));
ALLOCATE_ARRAY (uint32_t, vis_clusters, glyphs_size);
#undef ALLOCATE_ARRAY
unsigned fontEmSize = font->face->get_upem ();
float x_mult = font->x_multf;
float y_mult = font->y_multf;
hr = analyzer->GetGlyphPlacements (textString,
clusterMap,
textProperties,
chars_len,
glyphIndices,
glyphProperties,
glyphCount,
fontFace,
fontEmSize,
false,
isRightToLeft,
&runHead->mScript,
localeName,
(const DWRITE_TYPOGRAPHIC_FEATURES**) range_features.arrayZ,
range_char_counts.arrayZ,
range_features.length,
glyphAdvances,
glyphOffsets);
if (FAILED (hr))
FAIL ("Analyzer failed to get glyph placements.");
/* Ok, we've got everything we need, now compose output buffer,
* very, *very*, carefully! */
/* Calculate visual-clusters. That's what we ship. */
for (unsigned int i = 0; i < glyphCount; i++)
vis_clusters[i] = (uint32_t) -1;
for (unsigned int i = 0; i < buffer->len; i++)
{
uint32_t *p =
&vis_clusters[log_clusters[buffer->info[i].utf16_index ()]];
*p = hb_min (*p, buffer->info[i].cluster);
}
for (unsigned int i = 1; i < glyphCount; i++)
if (vis_clusters[i] == (uint32_t) -1)
vis_clusters[i] = vis_clusters[i - 1];
#undef utf16_index
if (unlikely (!buffer->ensure (glyphCount)))
FAIL ("Buffer in error");
#undef FAIL
/* Set glyph infos */
buffer->len = 0;
for (unsigned int i = 0; i < glyphCount; i++)
{
hb_glyph_info_t *info = &buffer->info[buffer->len++];
info->codepoint = glyphIndices[i];
info->cluster = vis_clusters[i];
/* The rest is crap. Let's store position info there for now. */
info->mask = glyphAdvances[i];
info->var1.i32 = glyphOffsets[i].advanceOffset;
info->var2.i32 = glyphOffsets[i].ascenderOffset;
}
/* Set glyph positions */
buffer->clear_positions ();
for (unsigned int i = 0; i < glyphCount; i++)
{
hb_glyph_info_t *info = &buffer->info[i];
hb_glyph_position_t *pos = &buffer->pos[i];
/* TODO vertical */
pos->x_advance = round (x_mult * (int32_t) info->mask);
pos->x_offset = round (x_mult * (isRightToLeft ? -info->var1.i32 : info->var1.i32));
pos->y_offset = round (y_mult * info->var2.i32);
}
if (isRightToLeft) hb_buffer_reverse (buffer);
buffer->clear_glyph_flags ();
buffer->unsafe_to_break ();
delete [] clusterMap;
delete [] glyphIndices;
delete [] textProperties;
delete [] glyphProperties;
delete [] glyphAdvances;
delete [] glyphOffsets;
/* Wow, done! */
return true;
}
#endif

945
thirdparty/harfbuzz/src/hb-directwrite.cc vendored
View file

File diff suppressed because it is too large Load diff

23
thirdparty/harfbuzz/src/hb-directwrite.h vendored
View file

@ -27,19 +27,32 @@
#include "hb.h"
#include <dwrite_3.h>
HB_BEGIN_DECLS
HB_EXTERN hb_face_t *
hb_directwrite_face_create (IDWriteFontFace *dw_face);
HB_EXTERN hb_face_t *
hb_directwrite_face_create_from_file_or_fail (const char *file_name,
unsigned int index);
HB_EXTERN hb_face_t *
hb_directwrite_face_create_from_blob_or_fail (hb_blob_t *blob,
unsigned int index);
HB_EXTERN IDWriteFontFace *
hb_directwrite_face_get_dw_font_face (hb_face_t *face);
HB_EXTERN hb_font_t *
hb_directwrite_font_create (IDWriteFont *dw_font);
hb_directwrite_font_create (IDWriteFontFace *dw_face);
HB_EXTERN IDWriteFont *
hb_directwrite_font_get_dw_font (hb_font_t *font);
HB_EXTERN IDWriteFontFace *
hb_directwrite_font_get_dw_font_face (hb_font_t *font);
HB_EXTERN void
hb_directwrite_font_set_funcs (hb_font_t *font);
#ifndef HB_DISABLE_DEPRECATED
@ -47,6 +60,10 @@ HB_DEPRECATED_FOR (hb_directwrite_face_get_dw_font_face)
HB_EXTERN IDWriteFontFace *
hb_directwrite_face_get_font_face (hb_face_t *face);
HB_DEPRECATED
HB_EXTERN IDWriteFont *
hb_directwrite_font_get_dw_font (hb_font_t *font);
#endif
HB_END_DECLS

223
thirdparty/harfbuzz/src/hb-directwrite.hh vendored Normal file
View file

@ -0,0 +1,223 @@
/*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Author(s): Behdad Esfahbod
*/
#ifndef HB_DIRECTWRITE_HH
#define HB_DIRECTWRITE_HH
#include "hb.hh"
#include "hb-directwrite.h"
#include "hb-mutex.hh"
#include "hb-map.hh"
/*
* DirectWrite font stream helpers
*/
// Have a look at to NativeFontResourceDWrite.cpp in Mozilla
/* Declare object creator for dynamic support of DWRITE */
typedef HRESULT (WINAPI *t_DWriteCreateFactory)(
DWRITE_FACTORY_TYPE factoryType,
REFIID iid,
IUnknown **factory
);
class DWriteFontFileLoader : public IDWriteFontFileLoader
{
private:
hb_reference_count_t mRefCount;
hb_mutex_t mutex;
hb_hashmap_t<uint64_t, IDWriteFontFileStream *> mFontStreams;
uint64_t mNextFontFileKey = 0;
public:
DWriteFontFileLoader ()
{
mRefCount.init ();
}
uint64_t RegisterFontFileStream (IDWriteFontFileStream *fontFileStream)
{
fontFileStream->AddRef ();
hb_lock_t lock {mutex};
mFontStreams.set (mNextFontFileKey, fontFileStream);
return mNextFontFileKey++;
}
void UnregisterFontFileStream (uint64_t fontFileKey)
{
hb_lock_t lock {mutex};
IDWriteFontFileStream *stream = mFontStreams.get (fontFileKey);
if (stream)
{
mFontStreams.del (fontFileKey);
stream->Release ();
}
}
// IUnknown interface
IFACEMETHOD (QueryInterface) (IID const& iid, OUT void** ppObject)
{ return S_OK; }
IFACEMETHOD_ (ULONG, AddRef) ()
{
return mRefCount.inc () + 1;
}
IFACEMETHOD_ (ULONG, Release) ()
{
signed refCount = mRefCount.dec () - 1;
assert (refCount >= 0);
if (refCount)
return refCount;
delete this;
return 0;
}
// IDWriteFontFileLoader methods
virtual HRESULT STDMETHODCALLTYPE
CreateStreamFromKey (void const* fontFileReferenceKey,
uint32_t fontFileReferenceKeySize,
OUT IDWriteFontFileStream** fontFileStream)
{
if (fontFileReferenceKeySize != sizeof (uint64_t))
return E_INVALIDARG;
uint64_t fontFileKey = * (uint64_t *) fontFileReferenceKey;
IDWriteFontFileStream *stream = mFontStreams.get (fontFileKey);
if (!stream)
return E_FAIL;
stream->AddRef ();
*fontFileStream = stream;
return S_OK;
}
virtual ~DWriteFontFileLoader()
{
for (auto v : mFontStreams.values ())
v->Release ();
}
};
class DWriteFontFileStream : public IDWriteFontFileStream
{
private:
hb_reference_count_t mRefCount;
hb_blob_t *mBlob;
uint8_t *mData;
unsigned mSize;
DWriteFontFileLoader *mLoader;
public:
uint64_t fontFileKey;
public:
DWriteFontFileStream (hb_blob_t *blob);
// IUnknown interface
IFACEMETHOD (QueryInterface) (IID const& iid, OUT void** ppObject)
{ return S_OK; }
IFACEMETHOD_ (ULONG, AddRef) ()
{
return mRefCount.inc () + 1;
}
IFACEMETHOD_ (ULONG, Release) ()
{
signed refCount = mRefCount.dec () - 1;
assert (refCount >= 0);
if (refCount)
return refCount;
delete this;
return 0;
}
// IDWriteFontFileStream methods
virtual HRESULT STDMETHODCALLTYPE
ReadFileFragment (void const** fragmentStart,
UINT64 fileOffset,
UINT64 fragmentSize,
OUT void** fragmentContext)
{
// We are required to do bounds checking.
if (fileOffset + fragmentSize > mSize) return E_FAIL;
// truncate the 64 bit fileOffset to size_t sized index into mData
size_t index = static_cast<size_t> (fileOffset);
// We should be alive for the duration of this.
*fragmentStart = &mData[index];
*fragmentContext = nullptr;
return S_OK;
}
virtual void STDMETHODCALLTYPE
ReleaseFileFragment (void* fragmentContext) {}
virtual HRESULT STDMETHODCALLTYPE
GetFileSize (OUT UINT64* fileSize)
{
*fileSize = mSize;
return S_OK;
}
virtual HRESULT STDMETHODCALLTYPE
GetLastWriteTime (OUT UINT64* lastWriteTime) { return E_NOTIMPL; }
virtual ~DWriteFontFileStream();
};
struct hb_directwrite_global_t
{
hb_directwrite_global_t ()
{
HRESULT hr = DWriteCreateFactory (DWRITE_FACTORY_TYPE_SHARED, __uuidof (IDWriteFactory),
(IUnknown**) &dwriteFactory);
if (unlikely (hr != S_OK))
return;
fontFileLoader = new DWriteFontFileLoader ();
dwriteFactory->RegisterFontFileLoader (fontFileLoader);
success = true;
}
~hb_directwrite_global_t ()
{
if (fontFileLoader)
fontFileLoader->Release ();
if (dwriteFactory)
dwriteFactory->Release ();
}
bool success = false;
IDWriteFactory *dwriteFactory;
DWriteFontFileLoader *fontFileLoader;
};
HB_INTERNAL hb_directwrite_global_t *
get_directwrite_global ();
HB_INTERNAL IDWriteFontFace *
dw_face_create (hb_blob_t *blob, unsigned index);
#endif /* HB_DIRECTWRITE_HH */

93
thirdparty/harfbuzz/src/hb-draw.cc vendored
View file

@ -28,6 +28,11 @@
#include "hb-draw.hh"
#include "hb-geometry.hh"
#include "hb-machinery.hh"
/**
* SECTION:hb-draw
* @title: hb-draw
@ -455,4 +460,92 @@ hb_draw_close_path (hb_draw_funcs_t *dfuncs, void *draw_data,
}
static void
hb_draw_extents_move_to (hb_draw_funcs_t *dfuncs HB_UNUSED,
void *data,
hb_draw_state_t *st,
float to_x, float to_y,
void *user_data HB_UNUSED)
{
hb_extents_t *extents = (hb_extents_t *) data;
extents->add_point (to_x, to_y);
}
static void
hb_draw_extents_line_to (hb_draw_funcs_t *dfuncs HB_UNUSED,
void *data,
hb_draw_state_t *st,
float to_x, float to_y,
void *user_data HB_UNUSED)
{
hb_extents_t *extents = (hb_extents_t *) data;
extents->add_point (to_x, to_y);
}
static void
hb_draw_extents_quadratic_to (hb_draw_funcs_t *dfuncs HB_UNUSED,
void *data,
hb_draw_state_t *st,
float control_x, float control_y,
float to_x, float to_y,
void *user_data HB_UNUSED)
{
hb_extents_t *extents = (hb_extents_t *) data;
extents->add_point (control_x, control_y);
extents->add_point (to_x, to_y);
}
static void
hb_draw_extents_cubic_to (hb_draw_funcs_t *dfuncs HB_UNUSED,
void *data,
hb_draw_state_t *st,
float control1_x, float control1_y,
float control2_x, float control2_y,
float to_x, float to_y,
void *user_data HB_UNUSED)
{
hb_extents_t *extents = (hb_extents_t *) data;
extents->add_point (control1_x, control1_y);
extents->add_point (control2_x, control2_y);
extents->add_point (to_x, to_y);
}
static inline void free_static_draw_extents_funcs ();
static struct hb_draw_extents_funcs_lazy_loader_t : hb_draw_funcs_lazy_loader_t<hb_draw_extents_funcs_lazy_loader_t>
{
static hb_draw_funcs_t *create ()
{
hb_draw_funcs_t *funcs = hb_draw_funcs_create ();
hb_draw_funcs_set_move_to_func (funcs, hb_draw_extents_move_to, nullptr, nullptr);
hb_draw_funcs_set_line_to_func (funcs, hb_draw_extents_line_to, nullptr, nullptr);
hb_draw_funcs_set_quadratic_to_func (funcs, hb_draw_extents_quadratic_to, nullptr, nullptr);
hb_draw_funcs_set_cubic_to_func (funcs, hb_draw_extents_cubic_to, nullptr, nullptr);
hb_draw_funcs_make_immutable (funcs);
hb_atexit (free_static_draw_extents_funcs);
return funcs;
}
} static_draw_extents_funcs;
static inline
void free_static_draw_extents_funcs ()
{
static_draw_extents_funcs.free_instance ();
}
hb_draw_funcs_t *
hb_draw_extents_get_funcs ()
{
return static_draw_extents_funcs.get_unconst ();
}
#endif

2
thirdparty/harfbuzz/src/hb-draw.h vendored
View file

@ -70,7 +70,7 @@ typedef struct hb_draw_state_t {
*
* The default #hb_draw_state_t at the start of glyph drawing.
*/
#define HB_DRAW_STATE_DEFAULT {0, 0.f, 0.f, 0.f, 0.f, {0.}, {0.}, {0.}, {0.}, {0.}, {0.}, {0.}}
#define HB_DRAW_STATE_DEFAULT {0, 0.f, 0.f, 0.f, 0.f, {0}, {0}, {0}, {0}, {0}, {0}, {0}}
/**

60
thirdparty/harfbuzz/src/hb-draw.hh vendored
View file

@ -99,6 +99,7 @@ struct hb_draw_funcs_t
float to_x, float to_y)
{
if (unlikely (st.path_open)) close_path (draw_data, st);
st.current_x = to_x;
st.current_y = to_y;
}
@ -109,7 +110,9 @@ struct hb_draw_funcs_t
float to_x, float to_y)
{
if (unlikely (!st.path_open)) start_path (draw_data, st);
emit_line_to (draw_data, st, to_x, to_y);
st.current_x = to_x;
st.current_y = to_y;
}
@ -121,7 +124,9 @@ struct hb_draw_funcs_t
float to_x, float to_y)
{
if (unlikely (!st.path_open)) start_path (draw_data, st);
emit_quadratic_to (draw_data, st, control_x, control_y, to_x, to_y);
st.current_x = to_x;
st.current_y = to_y;
}
@ -134,7 +139,9 @@ struct hb_draw_funcs_t
float to_x, float to_y)
{
if (unlikely (!st.path_open)) start_path (draw_data, st);
emit_cubic_to (draw_data, st, control1_x, control1_y, control2_x, control2_y, to_x, to_y);
st.current_x = to_x;
st.current_y = to_y;
}
@ -168,9 +175,8 @@ DECLARE_NULL_INSTANCE (hb_draw_funcs_t);
struct hb_draw_session_t
{
hb_draw_session_t (hb_draw_funcs_t *funcs_, void *draw_data_, float slant_ = 0.f)
: slant {slant_}, not_slanted {slant == 0.f},
funcs {funcs_}, draw_data {draw_data_}, st HB_DRAW_STATE_DEFAULT
hb_draw_session_t (hb_draw_funcs_t *funcs_, void *draw_data_)
: funcs {funcs_}, draw_data {draw_data_}, st HB_DRAW_STATE_DEFAULT
{}
~hb_draw_session_t () { close_path (); }
@ -178,36 +184,23 @@ struct hb_draw_session_t
HB_ALWAYS_INLINE
void move_to (float to_x, float to_y)
{
if (likely (not_slanted))
funcs->move_to (draw_data, st,
to_x, to_y);
else
funcs->move_to (draw_data, st,
to_x + to_y * slant, to_y);
funcs->move_to (draw_data, st,
to_x, to_y);
}
HB_ALWAYS_INLINE
void line_to (float to_x, float to_y)
{
if (likely (not_slanted))
funcs->line_to (draw_data, st,
to_x, to_y);
else
funcs->line_to (draw_data, st,
to_x + to_y * slant, to_y);
funcs->line_to (draw_data, st,
to_x, to_y);
}
void
HB_ALWAYS_INLINE
quadratic_to (float control_x, float control_y,
float to_x, float to_y)
{
if (likely (not_slanted))
funcs->quadratic_to (draw_data, st,
control_x, control_y,
to_x, to_y);
else
funcs->quadratic_to (draw_data, st,
control_x + control_y * slant, control_y,
to_x + to_y * slant, to_y);
funcs->quadratic_to (draw_data, st,
control_x, control_y,
to_x, to_y);
}
void
HB_ALWAYS_INLINE
@ -215,16 +208,10 @@ struct hb_draw_session_t
float control2_x, float control2_y,
float to_x, float to_y)
{
if (likely (not_slanted))
funcs->cubic_to (draw_data, st,
control1_x, control1_y,
control2_x, control2_y,
to_x, to_y);
else
funcs->cubic_to (draw_data, st,
control1_x + control1_y * slant, control1_y,
control2_x + control2_y * slant, control2_y,
to_x + to_y * slant, to_y);
funcs->cubic_to (draw_data, st,
control1_x, control1_y,
control2_x, control2_y,
to_x, to_y);
}
HB_ALWAYS_INLINE
void close_path ()
@ -233,11 +220,14 @@ struct hb_draw_session_t
}
public:
float slant;
bool not_slanted;
hb_draw_funcs_t *funcs;
void *draw_data;
hb_draw_state_t st;
};
HB_INTERNAL hb_draw_funcs_t *
hb_draw_extents_get_funcs ();
#endif /* HB_DRAW_HH */

228
thirdparty/harfbuzz/src/hb-face.cc vendored
View file

@ -34,6 +34,16 @@
#include "hb-ot-face.hh"
#include "hb-ot-cmap-table.hh"
#ifdef HAVE_FREETYPE
#include "hb-ft.h"
#endif
#ifdef HAVE_CORETEXT
#include "hb-coretext.h"
#endif
#ifdef HAVE_DIRECTWRITE
#include "hb-directwrite.h"
#endif
/**
* SECTION:hb-face
@ -72,14 +82,14 @@ hb_face_count (hb_blob_t *blob)
if (unlikely (!blob))
return 0;
/* TODO We shouldn't be sanitizing blob. Port to run sanitizer and return if not sane. */
/* Make API signature const after. */
hb_blob_t *sanitized = hb_sanitize_context_t ().sanitize_blob<OT::OpenTypeFontFile> (hb_blob_reference (blob));
const OT::OpenTypeFontFile& ot = *sanitized->as<OT::OpenTypeFontFile> ();
unsigned int ret = ot.get_face_count ();
hb_blob_destroy (sanitized);
hb_sanitize_context_t c (blob);
return ret;
const char *start = hb_blob_get_data (blob, nullptr);
auto *ot = reinterpret_cast<OT::OpenTypeFontFile *> (const_cast<char *> (start));
if (unlikely (!ot->sanitize (&c)))
return 0;
return ot->get_face_count ();
}
/*
@ -318,7 +328,209 @@ hb_face_create_from_file_or_fail (const char *file_name,
return face;
}
static struct supported_face_loaders_t {
char name[16];
hb_face_t * (*from_file) (const char *font_file, unsigned face_index);
hb_face_t * (*from_blob) (hb_blob_t *blob, unsigned face_index);
} supported_face_loaders[] =
{
{"ot",
#ifndef HB_NO_OPEN
hb_face_create_from_file_or_fail,
#else
nullptr,
#endif
hb_face_create_or_fail
},
#ifdef HAVE_FREETYPE
{"ft",
hb_ft_face_create_from_file_or_fail,
hb_ft_face_create_from_blob_or_fail
},
#endif
#ifdef HAVE_CORETEXT
{"coretext",
hb_coretext_face_create_from_file_or_fail,
hb_coretext_face_create_from_blob_or_fail
},
#endif
#ifdef HAVE_DIRECTWRITE
{"directwrite",
hb_directwrite_face_create_from_file_or_fail,
hb_directwrite_face_create_from_blob_or_fail
},
#endif
};
static const char *get_default_loader_name ()
{
static hb_atomic_t<const char *> static_loader_name;
const char *loader_name = static_loader_name.get_acquire ();
if (!loader_name)
{
loader_name = getenv ("HB_FACE_LOADER");
if (!loader_name)
loader_name = "";
if (!static_loader_name.cmpexch (nullptr, loader_name))
loader_name = static_loader_name.get_acquire ();
}
return loader_name;
}
/**
* hb_face_create_from_file_or_fail_using:
* @file_name: A font filename
* @index: The index of the face within the file
* @loader_name: (nullable): The name of the loader to use, or `NULL`
*
* A thin wrapper around the face loader functions registered with HarfBuzz.
* If @loader_name is `NULL` or the empty string, the first available loader
* is used.
*
* For example, the FreeType ("ft") loader might be able to load
* WOFF and WOFF2 files if FreeType is built with those features,
* whereas the OpenType ("ot") loader will not.
*
* Return value: (transfer full): The new face object, or `NULL` if
* the file cannot be read or the loader fails to load the face.
*
* Since: 11.0.0
**/
hb_face_t *
hb_face_create_from_file_or_fail_using (const char *file_name,
unsigned int index,
const char *loader_name)
{
// Duplicated in hb_face_create_or_fail_using
bool retry = false;
if (!loader_name || !*loader_name)
{
loader_name = get_default_loader_name ();
retry = true;
}
if (loader_name && !*loader_name) loader_name = nullptr;
retry:
for (unsigned i = 0; i < ARRAY_LENGTH (supported_face_loaders); i++)
{
if (!loader_name || (supported_face_loaders[i].from_file && !strcmp (supported_face_loaders[i].name, loader_name)))
return supported_face_loaders[i].from_file (file_name, index);
}
if (retry)
{
retry = false;
loader_name = nullptr;
goto retry;
}
return nullptr;
}
/**
* hb_face_create_or_fail_using:
* @blob: #hb_blob_t to work upon
* @index: The index of the face within @blob
* @loader_name: (nullable): The name of the loader to use, or `NULL`
*
* A thin wrapper around the face loader functions registered with HarfBuzz.
* If @loader_name is `NULL` or the empty string, the first available loader
* is used.
*
* For example, the FreeType ("ft") loader might be able to load
* WOFF and WOFF2 files if FreeType is built with those features,
* whereas the OpenType ("ot") loader will not.
*
* Return value: (transfer full): The new face object, or `NULL` if
* the loader fails to load the face.
*
* Since: 11.0.0
**/
hb_face_t *
hb_face_create_or_fail_using (hb_blob_t *blob,
unsigned int index,
const char *loader_name)
{
// Duplicated in hb_face_create_from_file_or_fail_using
bool retry = false;
if (!loader_name || !*loader_name)
{
loader_name = get_default_loader_name ();
retry = true;
}
if (loader_name && !*loader_name) loader_name = nullptr;
retry:
for (unsigned i = 0; i < ARRAY_LENGTH (supported_face_loaders); i++)
{
if (!loader_name || (supported_face_loaders[i].from_blob && !strcmp (supported_face_loaders[i].name, loader_name)))
return supported_face_loaders[i].from_blob (blob, index);
}
if (retry)
{
retry = false;
loader_name = nullptr;
goto retry;
}
return nullptr;
}
static inline void free_static_face_loader_list ();
static const char * const nil_face_loader_list[] = {nullptr};
static struct hb_face_loader_list_lazy_loader_t : hb_lazy_loader_t<const char *,
hb_face_loader_list_lazy_loader_t>
{
static const char ** create ()
{
const char **face_loader_list = (const char **) hb_calloc (1 + ARRAY_LENGTH (supported_face_loaders), sizeof (const char *));
if (unlikely (!face_loader_list))
return nullptr;
unsigned i;
for (i = 0; i < ARRAY_LENGTH (supported_face_loaders); i++)
face_loader_list[i] = supported_face_loaders[i].name;
face_loader_list[i] = nullptr;
hb_atexit (free_static_face_loader_list);
return face_loader_list;
}
static void destroy (const char **l)
{ hb_free (l); }
static const char * const * get_null ()
{ return nil_face_loader_list; }
} static_face_loader_list;
static inline
void free_static_face_loader_list ()
{
static_face_loader_list.free_instance ();
}
/**
* hb_face_list_loaders:
*
* Retrieves the list of face loaders supported by HarfBuzz.
*
* Return value: (transfer none) (array zero-terminated=1): a
* `NULL`-terminated array of supported face loaders
* constant strings. The returned array is owned by HarfBuzz
* and should not be modified or freed.
*
* Since: 11.0.0
**/
const char **
hb_face_list_loaders ()
{
return static_face_loader_list.get_unconst ();
}
#endif
/**
* hb_face_get_empty:
@ -460,7 +672,7 @@ hb_face_make_immutable (hb_face_t *face)
* Since: 0.9.2
**/
hb_bool_t
hb_face_is_immutable (const hb_face_t *face)
hb_face_is_immutable (hb_face_t *face)
{
return hb_object_is_immutable (face);
}

16
thirdparty/harfbuzz/src/hb-face.h vendored
View file

@ -63,10 +63,24 @@ HB_EXTERN hb_face_t *
hb_face_create_or_fail (hb_blob_t *blob,
unsigned int index);
HB_EXTERN hb_face_t *
hb_face_create_or_fail_using (hb_blob_t *blob,
unsigned int index,
const char *loader_name);
HB_EXTERN hb_face_t *
hb_face_create_from_file_or_fail (const char *file_name,
unsigned int index);
HB_EXTERN hb_face_t *
hb_face_create_from_file_or_fail_using (const char *file_name,
unsigned int index,
const char *loader_name);
HB_EXTERN const char **
hb_face_list_loaders (void);
/**
* hb_reference_table_func_t:
* @face: an #hb_face_t to reference table for
@ -117,7 +131,7 @@ HB_EXTERN void
hb_face_make_immutable (hb_face_t *face);
HB_EXTERN hb_bool_t
hb_face_is_immutable (const hb_face_t *face);
hb_face_is_immutable (hb_face_t *face);
HB_EXTERN hb_blob_t *

6
thirdparty/harfbuzz/src/hb-face.hh vendored
View file

@ -49,8 +49,8 @@ struct hb_face_t
hb_object_header_t header;
unsigned int index; /* Face index in a collection, zero-based. */
mutable hb_atomic_int_t upem; /* Units-per-EM. */
mutable hb_atomic_int_t num_glyphs; /* Number of glyphs. */
mutable hb_atomic_t<unsigned> upem; /* Units-per-EM. */
mutable hb_atomic_t<unsigned> num_glyphs;/* Number of glyphs. */
hb_reference_table_func_t reference_table_func;
void *user_data;
@ -70,7 +70,7 @@ struct hb_face_t
plan_node_t *next;
};
#ifndef HB_NO_SHAPER
hb_atomic_ptr_t<plan_node_t> shape_plans;
hb_atomic_t<plan_node_t *> shape_plans;
#endif
hb_blob_t *reference_table (hb_tag_t tag) const

611
thirdparty/harfbuzz/src/hb-font.cc vendored
View file

@ -38,6 +38,22 @@
#include "hb-ot-var-avar-table.hh"
#include "hb-ot-var-fvar-table.hh"
#ifndef HB_NO_OT_FONT
#include "hb-ot.h"
#endif
#ifdef HAVE_FREETYPE
#include "hb-ft.h"
#endif
#ifdef HAVE_FONTATIONS
#include "hb-fontations.h"
#endif
#ifdef HAVE_CORETEXT
#include "hb-coretext.h"
#endif
#ifdef HAVE_DIRECTWRITE
#include "hb-directwrite.h"
#endif
/**
* SECTION:hb-font
@ -87,7 +103,7 @@ hb_font_get_font_h_extents_default (hb_font_t *font,
hb_font_extents_t *extents,
void *user_data HB_UNUSED)
{
hb_bool_t ret = font->parent->get_font_h_extents (extents);
hb_bool_t ret = font->parent->get_font_h_extents (extents, false);
if (ret) {
extents->ascender = font->parent_scale_y_distance (extents->ascender);
extents->descender = font->parent_scale_y_distance (extents->descender);
@ -112,7 +128,7 @@ hb_font_get_font_v_extents_default (hb_font_t *font,
hb_font_extents_t *extents,
void *user_data HB_UNUSED)
{
hb_bool_t ret = font->parent->get_font_v_extents (extents);
hb_bool_t ret = font->parent->get_font_v_extents (extents, false);
if (ret) {
extents->ascender = font->parent_scale_x_distance (extents->ascender);
extents->descender = font->parent_scale_x_distance (extents->descender);
@ -218,10 +234,10 @@ hb_font_get_glyph_h_advance_default (hb_font_t *font,
if (font->has_glyph_h_advances_func_set ())
{
hb_position_t ret;
font->get_glyph_h_advances (1, &glyph, 0, &ret, 0);
font->get_glyph_h_advances (1, &glyph, 0, &ret, 0, false);
return ret;
}
return font->parent_scale_x_distance (font->parent->get_glyph_h_advance (glyph));
return font->parent_scale_x_distance (font->parent->get_glyph_h_advance (glyph, false));
}
static hb_position_t
@ -243,10 +259,10 @@ hb_font_get_glyph_v_advance_default (hb_font_t *font,
if (font->has_glyph_v_advances_func_set ())
{
hb_position_t ret;
font->get_glyph_v_advances (1, &glyph, 0, &ret, 0);
font->get_glyph_v_advances (1, &glyph, 0, &ret, 0, false);
return ret;
}
return font->parent_scale_y_distance (font->parent->get_glyph_v_advance (glyph));
return font->parent_scale_y_distance (font->parent->get_glyph_v_advance (glyph, false));
}
#define hb_font_get_glyph_h_advances_nil hb_font_get_glyph_h_advances_default
@ -265,7 +281,7 @@ hb_font_get_glyph_h_advances_default (hb_font_t* font,
{
for (unsigned int i = 0; i < count; i++)
{
*first_advance = font->get_glyph_h_advance (*first_glyph);
*first_advance = font->get_glyph_h_advance (*first_glyph, false);
first_glyph = &StructAtOffsetUnaligned<hb_codepoint_t> (first_glyph, glyph_stride);
first_advance = &StructAtOffsetUnaligned<hb_position_t> (first_advance, advance_stride);
}
@ -274,7 +290,8 @@ hb_font_get_glyph_h_advances_default (hb_font_t* font,
font->parent->get_glyph_h_advances (count,
first_glyph, glyph_stride,
first_advance, advance_stride);
first_advance, advance_stride,
false);
for (unsigned int i = 0; i < count; i++)
{
*first_advance = font->parent_scale_x_distance (*first_advance);
@ -297,7 +314,7 @@ hb_font_get_glyph_v_advances_default (hb_font_t* font,
{
for (unsigned int i = 0; i < count; i++)
{
*first_advance = font->get_glyph_v_advance (*first_glyph);
*first_advance = font->get_glyph_v_advance (*first_glyph, false);
first_glyph = &StructAtOffsetUnaligned<hb_codepoint_t> (first_glyph, glyph_stride);
first_advance = &StructAtOffsetUnaligned<hb_position_t> (first_advance, advance_stride);
}
@ -306,7 +323,8 @@ hb_font_get_glyph_v_advances_default (hb_font_t* font,
font->parent->get_glyph_v_advances (count,
first_glyph, glyph_stride,
first_advance, advance_stride);
first_advance, advance_stride,
false);
for (unsigned int i = 0; i < count; i++)
{
*first_advance = font->parent_scale_y_distance (*first_advance);
@ -426,7 +444,7 @@ hb_font_get_glyph_extents_default (hb_font_t *font,
hb_glyph_extents_t *extents,
void *user_data HB_UNUSED)
{
hb_bool_t ret = font->parent->get_glyph_extents (glyph, extents);
hb_bool_t ret = font->parent->get_glyph_extents (glyph, extents, false);
if (ret) {
font->parent_scale_position (&extents->x_bearing, &extents->y_bearing);
font->parent_scale_distance (&extents->width, &extents->height);
@ -456,7 +474,7 @@ hb_font_get_glyph_contour_point_default (hb_font_t *font,
hb_position_t *y,
void *user_data HB_UNUSED)
{
hb_bool_t ret = font->parent->get_glyph_contour_point (glyph, point_index, x, y);
hb_bool_t ret = font->parent->get_glyph_contour_point (glyph, point_index, x, y, false);
if (ret)
font->parent_scale_position (x, y);
return ret;
@ -508,26 +526,28 @@ hb_font_get_glyph_from_name_default (hb_font_t *font,
return font->parent->get_glyph_from_name (name, len, glyph);
}
static void
hb_font_draw_glyph_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
hb_codepoint_t glyph,
hb_draw_funcs_t *draw_funcs,
void *draw_data,
void *user_data HB_UNUSED)
static hb_bool_t
hb_font_draw_glyph_or_fail_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
hb_codepoint_t glyph,
hb_draw_funcs_t *draw_funcs,
void *draw_data,
void *user_data HB_UNUSED)
{
return false;
}
static void
hb_font_paint_glyph_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
hb_codepoint_t glyph HB_UNUSED,
hb_paint_funcs_t *paint_funcs HB_UNUSED,
void *paint_data HB_UNUSED,
unsigned int palette HB_UNUSED,
hb_color_t foreground HB_UNUSED,
void *user_data HB_UNUSED)
static hb_bool_t
hb_font_paint_glyph_or_fail_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
hb_codepoint_t glyph HB_UNUSED,
hb_paint_funcs_t *paint_funcs HB_UNUSED,
void *paint_data HB_UNUSED,
unsigned int palette HB_UNUSED,
hb_color_t foreground HB_UNUSED,
void *user_data HB_UNUSED)
{
return false;
}
typedef struct hb_font_draw_glyph_default_adaptor_t {
@ -535,7 +555,6 @@ typedef struct hb_font_draw_glyph_default_adaptor_t {
void *draw_data;
float x_scale;
float y_scale;
float slant;
} hb_font_draw_glyph_default_adaptor_t;
static void
@ -548,10 +567,9 @@ hb_draw_move_to_default (hb_draw_funcs_t *dfuncs HB_UNUSED,
hb_font_draw_glyph_default_adaptor_t *adaptor = (hb_font_draw_glyph_default_adaptor_t *) draw_data;
float x_scale = adaptor->x_scale;
float y_scale = adaptor->y_scale;
float slant = adaptor->slant;
adaptor->draw_funcs->emit_move_to (adaptor->draw_data, *st,
x_scale * to_x + slant * to_y, y_scale * to_y);
x_scale * to_x, y_scale * to_y);
}
static void
@ -563,13 +581,12 @@ hb_draw_line_to_default (hb_draw_funcs_t *dfuncs HB_UNUSED, void *draw_data,
hb_font_draw_glyph_default_adaptor_t *adaptor = (hb_font_draw_glyph_default_adaptor_t *) draw_data;
float x_scale = adaptor->x_scale;
float y_scale = adaptor->y_scale;
float slant = adaptor->slant;
st->current_x = st->current_x * x_scale + st->current_y * slant;
st->current_x = st->current_x * x_scale;
st->current_y = st->current_y * y_scale;
adaptor->draw_funcs->emit_line_to (adaptor->draw_data, *st,
x_scale * to_x + slant * to_y, y_scale * to_y);
x_scale * to_x, y_scale * to_y);
}
static void
@ -582,14 +599,13 @@ hb_draw_quadratic_to_default (hb_draw_funcs_t *dfuncs HB_UNUSED, void *draw_data
hb_font_draw_glyph_default_adaptor_t *adaptor = (hb_font_draw_glyph_default_adaptor_t *) draw_data;
float x_scale = adaptor->x_scale;
float y_scale = adaptor->y_scale;
float slant = adaptor->slant;
st->current_x = st->current_x * x_scale + st->current_y * slant;
st->current_x = st->current_x * x_scale;
st->current_y = st->current_y * y_scale;
adaptor->draw_funcs->emit_quadratic_to (adaptor->draw_data, *st,
x_scale * control_x + slant * control_y, y_scale * control_y,
x_scale * to_x + slant * to_y, y_scale * to_y);
x_scale * control_x, y_scale * control_y,
x_scale * to_x, y_scale * to_y);
}
static void
@ -603,15 +619,14 @@ hb_draw_cubic_to_default (hb_draw_funcs_t *dfuncs HB_UNUSED, void *draw_data,
hb_font_draw_glyph_default_adaptor_t *adaptor = (hb_font_draw_glyph_default_adaptor_t *) draw_data;
float x_scale = adaptor->x_scale;
float y_scale = adaptor->y_scale;
float slant = adaptor->slant;
st->current_x = st->current_x * x_scale + st->current_y * slant;
st->current_x = st->current_x * x_scale;
st->current_y = st->current_y * y_scale;
adaptor->draw_funcs->emit_cubic_to (adaptor->draw_data, *st,
x_scale * control1_x + slant * control1_y, y_scale * control1_y,
x_scale * control2_x + slant * control2_y, y_scale * control2_y,
x_scale * to_x + slant * to_y, y_scale * to_y);
x_scale * control1_x, y_scale * control1_y,
x_scale * control2_x, y_scale * control2_y,
x_scale * to_x, y_scale * to_y);
}
static void
@ -634,49 +649,47 @@ static const hb_draw_funcs_t _hb_draw_funcs_default = {
}
};
static void
hb_font_draw_glyph_default (hb_font_t *font,
void *font_data HB_UNUSED,
hb_codepoint_t glyph,
hb_draw_funcs_t *draw_funcs,
void *draw_data,
void *user_data HB_UNUSED)
static hb_bool_t
hb_font_draw_glyph_or_fail_default (hb_font_t *font,
void *font_data HB_UNUSED,
hb_codepoint_t glyph,
hb_draw_funcs_t *draw_funcs,
void *draw_data,
void *user_data HB_UNUSED)
{
hb_font_draw_glyph_default_adaptor_t adaptor = {
draw_funcs,
draw_data,
font->parent->x_scale ? (float) font->x_scale / (float) font->parent->x_scale : 0.f,
font->parent->y_scale ? (float) font->y_scale / (float) font->parent->y_scale : 0.f,
font->parent->y_scale ? (font->slant - font->parent->slant) *
(float) font->x_scale / (float) font->parent->y_scale : 0.f
font->parent->y_scale ? (float) font->y_scale / (float) font->parent->y_scale : 0.f
};
font->parent->draw_glyph (glyph,
const_cast<hb_draw_funcs_t *> (&_hb_draw_funcs_default),
&adaptor);
return font->parent->draw_glyph_or_fail (glyph,
const_cast<hb_draw_funcs_t *> (&_hb_draw_funcs_default),
&adaptor,
false);
}
static void
hb_font_paint_glyph_default (hb_font_t *font,
void *font_data,
hb_codepoint_t glyph,
hb_paint_funcs_t *paint_funcs,
void *paint_data,
unsigned int palette,
hb_color_t foreground,
void *user_data)
static hb_bool_t
hb_font_paint_glyph_or_fail_default (hb_font_t *font,
void *font_data,
hb_codepoint_t glyph,
hb_paint_funcs_t *paint_funcs,
void *paint_data,
unsigned int palette,
hb_color_t foreground,
void *user_data)
{
paint_funcs->push_transform (paint_data,
font->parent->x_scale ? (float) font->x_scale / (float) font->parent->x_scale : 0.f,
font->parent->y_scale ? (font->slant - font->parent->slant) *
(float) font->x_scale / (float) font->parent->y_scale : 0.f,
0.f,
font->parent->y_scale ? (float) font->y_scale / (float) font->parent->y_scale : 0.f,
0.f, 0.f);
font->parent->x_scale ? (float) font->x_scale / (float) font->parent->x_scale : 0, 0,
0, font->parent->y_scale ? (float) font->y_scale / (float) font->parent->y_scale : 0,
0, 0);
font->parent->paint_glyph (glyph, paint_funcs, paint_data, palette, foreground);
bool ret = font->parent->paint_glyph_or_fail (glyph, paint_funcs, paint_data, palette, foreground);
paint_funcs->pop_transform (paint_data);
return ret;
}
DEFINE_NULL_INSTANCE (hb_font_funcs_t) =
@ -1413,6 +1426,92 @@ hb_font_get_glyph_shape (hb_font_t *font,
}
#endif
/**
* hb_font_draw_glyph_or_fail:
* @font: #hb_font_t to work upon
* @glyph: The glyph ID
* @dfuncs: #hb_draw_funcs_t to draw to
* @draw_data: User data to pass to draw callbacks
*
* Draws the outline that corresponds to a glyph in the specified @font.
*
* This is a newer name for hb_font_draw_glyph(), that returns `false`
* if the font has no outlines for the glyph.
*
* The outline is returned by way of calls to the callbacks of the @dfuncs
* objects, with @draw_data passed to them.
*
* Return value: `true` if glyph was drawn, `false` otherwise
*
* XSince: REPLACEME
**/
hb_bool_t
hb_font_draw_glyph_or_fail (hb_font_t *font,
hb_codepoint_t glyph,
hb_draw_funcs_t *dfuncs, void *draw_data)
{
return font->draw_glyph_or_fail (glyph, dfuncs, draw_data);
}
/**
* hb_font_paint_glyph_or_fail:
* @font: #hb_font_t to work upon
* @glyph: The glyph ID
* @pfuncs: #hb_paint_funcs_t to paint with
* @paint_data: User data to pass to paint callbacks
* @palette_index: The index of the font's color palette to use
* @foreground: The foreground color, unpremultipled
*
* Paints a color glyph.
*
* This function is similar to, but lower-level than,
* hb_font_paint_glyph(). It is suitable for clients that
* need more control. If there are no color glyphs available,
* it will return `false`. The client can then fall back to
* hb_font_draw_glyph_or_fail() for the monochrome outline glyph.
*
* The painting instructions are returned by way of calls to
* the callbacks of the @funcs object, with @paint_data passed
* to them.
*
* If the font has color palettes (see hb_ot_color_has_palettes()),
* then @palette_index selects the palette to use. If the font only
* has one palette, this will be 0.
*
* Return value: `true` if glyph was painted, `false` otherwise
*
* XSince: REPLACEME
*/
hb_bool_t
hb_font_paint_glyph_or_fail (hb_font_t *font,
hb_codepoint_t glyph,
hb_paint_funcs_t *pfuncs, void *paint_data,
unsigned int palette_index,
hb_color_t foreground)
{
return font->paint_glyph_or_fail (glyph, pfuncs, paint_data, palette_index, foreground);
}
/* A bit higher-level, and with fallback */
void
hb_font_t::paint_glyph (hb_codepoint_t glyph,
hb_paint_funcs_t *paint_funcs, void *paint_data,
unsigned int palette,
hb_color_t foreground)
{
if (paint_glyph_or_fail (glyph,
paint_funcs, paint_data,
palette, foreground))
return;
/* Fallback for outline glyph. */
paint_funcs->push_clip_glyph (paint_data, glyph, this);
paint_funcs->color (paint_data, true, foreground);
paint_funcs->pop_clip (paint_data);
}
/**
* hb_font_draw_glyph:
* @font: #hb_font_t to work upon
@ -1422,6 +1521,9 @@ hb_font_get_glyph_shape (hb_font_t *font,
*
* Draws the outline that corresponds to a glyph in the specified @font.
*
* This is an older name for hb_font_draw_glyph_or_fail(), with no
* return value.
*
* The outline is returned by way of calls to the callbacks of the @dfuncs
* objects, with @draw_data passed to them.
*
@ -1429,10 +1531,10 @@ hb_font_get_glyph_shape (hb_font_t *font,
**/
void
hb_font_draw_glyph (hb_font_t *font,
hb_codepoint_t glyph,
hb_draw_funcs_t *dfuncs, void *draw_data)
hb_codepoint_t glyph,
hb_draw_funcs_t *dfuncs, void *draw_data)
{
font->draw_glyph (glyph, dfuncs, draw_data);
(void) hb_font_draw_glyph_or_fail (font, glyph, dfuncs, draw_data);
}
/**
@ -1444,7 +1546,10 @@ hb_font_draw_glyph (hb_font_t *font,
* @palette_index: The index of the font's color palette to use
* @foreground: The foreground color, unpremultipled
*
* Paints the glyph.
* Paints the glyph. This function is similar to
* hb_font_paint_glyph_or_fail(), but if painting a color glyph
* failed, it will fall back to painting an outline monochrome
* glyph.
*
* The painting instructions are returned by way of calls to
* the callbacks of the @funcs object, with @paint_data passed
@ -1466,8 +1571,6 @@ hb_font_paint_glyph (hb_font_t *font,
font->paint_glyph (glyph, pfuncs, paint_data, palette_index, foreground);
}
/* A bit higher-level, and with fallback */
/**
* hb_font_get_extents_for_direction:
* @font: #hb_font_t to work upon
@ -1854,10 +1957,7 @@ hb_font_create (hb_face_t *face)
{
hb_font_t *font = _hb_font_create (face);
#ifndef HB_NO_OT_FONT
/* Install our in-house, very lightweight, funcs. */
hb_ot_font_set_funcs (font);
#endif
hb_font_set_funcs_using (font, nullptr);
#ifndef HB_NO_VAR
if (face && face->index >> 16)
@ -1880,7 +1980,8 @@ _hb_font_adopt_var_coords (hb_font_t *font,
font->design_coords = design_coords;
font->num_coords = coords_length;
font->mults_changed (); // Easiest to call this to drop cached data
font->changed ();
font->serial_coords = font->serial;
}
/**
@ -1935,7 +2036,8 @@ hb_font_create_sub_font (hb_font_t *parent)
}
}
font->mults_changed ();
font->changed ();
font->serial_coords = font->serial;
return font;
}
@ -2023,7 +2125,7 @@ hb_font_set_user_data (hb_font_t *font,
hb_bool_t replace)
{
if (!hb_object_is_immutable (font))
font->serial++;
font->changed ();
return hb_object_set_user_data (font, key, data, destroy, replace);
}
@ -2098,7 +2200,7 @@ hb_font_is_immutable (hb_font_t *font)
unsigned int
hb_font_get_serial (hb_font_t *font)
{
return font->serial;
return font->serial.get_acquire ();
}
/**
@ -2117,9 +2219,7 @@ hb_font_changed (hb_font_t *font)
if (hb_object_is_immutable (font))
return;
font->serial++;
font->mults_changed ();
font->changed ();
}
/**
@ -2141,8 +2241,6 @@ hb_font_set_parent (hb_font_t *font,
if (parent == font->parent)
return;
font->serial++;
if (!parent)
parent = hb_font_get_empty ();
@ -2151,6 +2249,8 @@ hb_font_set_parent (hb_font_t *font,
font->parent = hb_font_reference (parent);
hb_font_destroy (old);
font->changed ();
}
/**
@ -2188,8 +2288,6 @@ hb_font_set_face (hb_font_t *font,
if (face == font->face)
return;
font->serial++;
if (unlikely (!face))
face = hb_face_get_empty ();
@ -2197,9 +2295,12 @@ hb_font_set_face (hb_font_t *font,
hb_face_make_immutable (face);
font->face = hb_face_reference (face);
font->mults_changed ();
font->changed ();
hb_face_destroy (old);
font->changed ();
font->serial_coords = font->serial;
}
/**
@ -2244,8 +2345,6 @@ hb_font_set_funcs (hb_font_t *font,
return;
}
font->serial++;
if (font->destroy)
font->destroy (font->user_data);
@ -2257,6 +2356,8 @@ hb_font_set_funcs (hb_font_t *font,
font->klass = klass;
font->user_data = font_data;
font->destroy = destroy;
font->changed ();
}
/**
@ -2283,15 +2384,151 @@ hb_font_set_funcs_data (hb_font_t *font,
return;
}
font->serial++;
if (font->destroy)
font->destroy (font->user_data);
font->user_data = font_data;
font->destroy = destroy;
font->changed ();
}
static struct supported_font_funcs_t {
char name[16];
void (*func) (hb_font_t *);
} supported_font_funcs[] =
{
#ifndef HB_NO_OT_FONT
{"ot", hb_ot_font_set_funcs},
#endif
#ifdef HAVE_FREETYPE
{"ft", hb_ft_font_set_funcs},
#endif
#ifdef HAVE_FONTATIONS
{"fontations",hb_fontations_font_set_funcs},
#endif
#ifdef HAVE_CORETEXT
{"coretext", hb_coretext_font_set_funcs},
#endif
#ifdef HAVE_DIRECTWRITE
{"directwrite",hb_directwrite_font_set_funcs},
#endif
};
static const char *get_default_funcs_name ()
{
static hb_atomic_t<const char *> static_funcs_name;
const char *name = static_funcs_name.get_acquire ();
if (!name)
{
name = getenv ("HB_FONT_FUNCS");
if (!name)
name = "";
if (!static_funcs_name.cmpexch (nullptr, name))
name = static_funcs_name.get_acquire ();
}
return name;
}
/**
* hb_font_set_funcs_using:
* @font: #hb_font_t to work upon
* @name: The name of the font-functions structure to use, or `NULL`
*
* Sets the font-functions structure to use for a font, based on the
* specified name.
*
* If @name is `NULL` or the empty string, the default (first) functioning font-functions
* are used. This default can be changed by setting the `HB_FONT_FUNCS` environment
* variable to the name of the desired font-functions.
*
* Return value: `true` if the font-functions was found and set, `false` otherwise
*
* Since: 11.0.0
**/
hb_bool_t
hb_font_set_funcs_using (hb_font_t *font,
const char *name)
{
bool retry = false;
if (!name || !*name)
{
name = get_default_funcs_name ();
retry = true;
}
if (name && !*name) name = nullptr;
retry:
for (unsigned i = 0; i < ARRAY_LENGTH (supported_font_funcs); i++)
if (!name || strcmp (supported_font_funcs[i].name, name) == 0)
{
supported_font_funcs[i].func (font);
if (name || font->klass != hb_font_funcs_get_empty ())
return true;
}
if (retry)
{
retry = false;
name = nullptr;
goto retry;
}
return false;
}
static inline void free_static_font_funcs_list ();
static const char * const nil_font_funcs_list[] = {nullptr};
static struct hb_font_funcs_list_lazy_loader_t : hb_lazy_loader_t<const char *,
hb_font_funcs_list_lazy_loader_t>
{
static const char ** create ()
{
const char **font_funcs_list = (const char **) hb_calloc (1 + ARRAY_LENGTH (supported_font_funcs), sizeof (const char *));
if (unlikely (!font_funcs_list))
return nullptr;
unsigned i;
for (i = 0; i < ARRAY_LENGTH (supported_font_funcs); i++)
font_funcs_list[i] = supported_font_funcs[i].name;
font_funcs_list[i] = nullptr;
hb_atexit (free_static_font_funcs_list);
return font_funcs_list;
}
static void destroy (const char **l)
{ hb_free (l); }
static const char * const * get_null ()
{ return nil_font_funcs_list; }
} static_font_funcs_list;
static inline
void free_static_font_funcs_list ()
{
static_font_funcs_list.free_instance ();
}
/**
* hb_font_list_funcs:
*
* Retrieves the list of font functions supported by HarfBuzz.
*
* Return value: (transfer none) (array zero-terminated=1): a
* `NULL`-terminated array of supported font functions
* constant strings. The returned array is owned by HarfBuzz
* and should not be modified or freed.
*
* Since: 11.0.0
**/
const char **
hb_font_list_funcs ()
{
return static_font_funcs_list.get_unconst ();
}
/**
* hb_font_set_scale:
@ -2339,11 +2576,10 @@ hb_font_set_scale (hb_font_t *font,
if (font->x_scale == x_scale && font->y_scale == y_scale)
return;
font->serial++;
font->x_scale = x_scale;
font->y_scale = y_scale;
font->mults_changed ();
font->changed ();
}
/**
@ -2390,10 +2626,10 @@ hb_font_set_ppem (hb_font_t *font,
if (font->x_ppem == x_ppem && font->y_ppem == y_ppem)
return;
font->serial++;
font->x_ppem = x_ppem;
font->y_ppem = y_ppem;
font->changed ();
}
/**
@ -2437,9 +2673,9 @@ hb_font_set_ptem (hb_font_t *font,
if (font->ptem == ptem)
return;
font->serial++;
font->ptem = ptem;
font->changed ();
}
/**
@ -2459,6 +2695,23 @@ hb_font_get_ptem (hb_font_t *font)
return font->ptem;
}
/**
* hb_font_is_synthetic:
* @font: #hb_font_t to work upon
*
* Tests whether a font is synthetic. A synthetic font is one
* that has either synthetic slant or synthetic bold set on it.
*
* Return value: `true` if the font is synthetic, `false` otherwise.
*
* XSince: REPLACEME
*/
hb_bool_t
hb_font_is_synthetic (hb_font_t *font)
{
return font->is_synthetic ();
}
/**
* hb_font_set_synthetic_bold:
* @font: #hb_font_t to work upon
@ -2476,7 +2729,7 @@ hb_font_get_ptem (hb_font_t *font)
* points of the glyph shape.
*
* Synthetic boldness is applied when rendering a glyph via
* hb_font_draw_glyph().
* hb_font_draw_glyph_or_fail().
*
* If @in_place is `false`, then glyph advance-widths are also
* adjusted, otherwise they are not. The in-place mode is
@ -2499,12 +2752,11 @@ hb_font_set_synthetic_bold (hb_font_t *font,
font->embolden_in_place == (bool) in_place)
return;
font->serial++;
font->x_embolden = x_embolden;
font->y_embolden = y_embolden;
font->embolden_in_place = in_place;
font->mults_changed ();
font->changed ();
}
/**
@ -2541,7 +2793,7 @@ hb_font_get_synthetic_bold (hb_font_t *font,
* HarfBuzz needs to know this value to adjust shaping results,
* metrics, and style values to match the slanted rendering.
*
* <note>Note: The glyph shape fetched via the hb_font_draw_glyph()
* <note>Note: The glyph shape fetched via the hb_font_draw_glyph_or_fail()
* function is slanted to reflect this value as well.</note>
*
* <note>Note: The slant value is a ratio. For example, a
@ -2558,10 +2810,9 @@ hb_font_set_synthetic_slant (hb_font_t *font, float slant)
if (font->slant == slant)
return;
font->serial++;
font->slant = slant;
font->mults_changed ();
font->changed ();
}
/**
@ -2607,8 +2858,6 @@ hb_font_set_variations (hb_font_t *font,
if (hb_object_is_immutable (font))
return;
font->serial_coords = ++font->serial;
if (!variations_length && font->instance_index == HB_FONT_NO_VAR_NAMED_INSTANCE)
{
hb_font_set_var_coords_normalized (font, nullptr, 0);
@ -2677,8 +2926,6 @@ hb_font_set_variation (hb_font_t *font,
if (hb_object_is_immutable (font))
return;
font->serial_coords = ++font->serial;
// TODO Share some of this code with set_variations()
const OT::fvar &fvar = *font->face->table.fvar;
@ -2749,8 +2996,6 @@ hb_font_set_var_coords_design (hb_font_t *font,
if (hb_object_is_immutable (font))
return;
font->serial_coords = ++font->serial;
int *normalized = coords_length ? (int *) hb_calloc (coords_length, sizeof (int)) : nullptr;
float *design_coords = coords_length ? (float *) hb_calloc (coords_length, sizeof (float)) : nullptr;
@ -2787,8 +3032,6 @@ hb_font_set_var_named_instance (hb_font_t *font,
if (font->instance_index == instance_index)
return;
font->serial_coords = ++font->serial;
font->instance_index = instance_index;
hb_font_set_variations (font, nullptr, 0);
}
@ -2834,8 +3077,6 @@ hb_font_set_var_coords_normalized (hb_font_t *font,
if (hb_object_is_immutable (font))
return;
font->serial_coords = ++font->serial;
int *copy = coords_length ? (int *) hb_calloc (coords_length, sizeof (coords[0])) : nullptr;
int *unmapped = coords_length ? (int *) hb_calloc (coords_length, sizeof (coords[0])) : nullptr;
float *design_coords = coords_length ? (float *) hb_calloc (coords_length, sizeof (design_coords[0])) : nullptr;
@ -3058,12 +3299,134 @@ hb_font_funcs_set_glyph_func (hb_font_funcs_t *ffuncs,
#ifndef HB_DISABLE_DEPRECATED
struct hb_draw_glyph_closure_t
{
hb_font_draw_glyph_func_t func;
void *user_data;
hb_destroy_func_t destroy;
};
static hb_bool_t
hb_font_draw_glyph_trampoline (hb_font_t *font,
void *font_data,
hb_codepoint_t glyph,
hb_draw_funcs_t *draw_funcs,
void *draw_data,
void *user_data)
{
hb_draw_glyph_closure_t *closure = (hb_draw_glyph_closure_t *) user_data;
closure->func (font, font_data, glyph, draw_funcs, draw_data, closure->user_data);
return true;
}
static void
hb_font_draw_glyph_closure_destroy (void *user_data)
{
hb_draw_glyph_closure_t *closure = (hb_draw_glyph_closure_t *) user_data;
if (closure->destroy)
closure->destroy (closure->user_data);
hb_free (closure);
}
static void
_hb_font_funcs_set_draw_glyph_func (hb_font_funcs_t *ffuncs,
hb_font_draw_glyph_func_t func,
void *user_data,
hb_destroy_func_t destroy /* May be NULL. */)
{
if (hb_object_is_immutable (ffuncs))
{
if (destroy)
destroy (user_data);
return;
}
hb_draw_glyph_closure_t *closure = (hb_draw_glyph_closure_t *) hb_calloc (1, sizeof (hb_draw_glyph_closure_t));
if (unlikely (!closure))
{
if (destroy)
destroy (user_data);
return;
}
closure->func = func;
closure->user_data = user_data;
closure->destroy = destroy;
hb_font_funcs_set_draw_glyph_or_fail_func (ffuncs,
hb_font_draw_glyph_trampoline,
closure,
hb_font_draw_glyph_closure_destroy);
}
void
hb_font_funcs_set_draw_glyph_func (hb_font_funcs_t *ffuncs,
hb_font_draw_glyph_func_t func,
void *user_data,
hb_destroy_func_t destroy /* May be NULL. */)
{
_hb_font_funcs_set_draw_glyph_func (ffuncs, func, user_data, destroy);
}
void
hb_font_funcs_set_glyph_shape_func (hb_font_funcs_t *ffuncs,
hb_font_get_glyph_shape_func_t func,
void *user_data,
hb_destroy_func_t destroy /* May be NULL. */)
{
hb_font_funcs_set_draw_glyph_func (ffuncs, func, user_data, destroy);
_hb_font_funcs_set_draw_glyph_func (ffuncs, func, user_data, destroy);
}
struct hb_paint_glyph_closure_t
{
hb_font_paint_glyph_func_t func;
void *user_data;
hb_destroy_func_t destroy;
};
static hb_bool_t
hb_font_paint_glyph_trampoline (hb_font_t *font,
void *font_data,
hb_codepoint_t glyph,
hb_paint_funcs_t *paint_funcs,
void *paint_data,
unsigned int palette,
hb_color_t foreground,
void *user_data)
{
hb_paint_glyph_closure_t *closure = (hb_paint_glyph_closure_t *) user_data;
closure->func (font, font_data, glyph, paint_funcs, paint_data, palette, foreground, closure->user_data);
return true;
}
static void
hb_font_paint_glyph_closure_destroy (void *user_data)
{
hb_paint_glyph_closure_t *closure = (hb_paint_glyph_closure_t *) user_data;
if (closure->destroy)
closure->destroy (closure->user_data);
hb_free (closure);
}
void
hb_font_funcs_set_paint_glyph_func (hb_font_funcs_t *ffuncs,
hb_font_paint_glyph_func_t func,
void *user_data,
hb_destroy_func_t destroy /* May be NULL. */)
{
if (hb_object_is_immutable (ffuncs))
{
if (destroy)
destroy (user_data);
return;
}
hb_paint_glyph_closure_t *closure = (hb_paint_glyph_closure_t *) hb_calloc (1, sizeof (hb_paint_glyph_closure_t));
if (unlikely (!closure))
{
if (destroy)
destroy (user_data);
return;
}
closure->func = func;
closure->user_data = user_data;
closure->destroy = destroy;
hb_font_funcs_set_paint_glyph_or_fail_func (ffuncs,
hb_font_paint_glyph_trampoline,
closure,
hb_font_paint_glyph_closure_destroy);
}
#endif

97
thirdparty/harfbuzz/src/hb-font.h vendored
View file

@ -486,7 +486,7 @@ typedef hb_bool_t (*hb_font_get_glyph_from_name_func_t) (hb_font_t *font, void *
void *user_data);
/**
* hb_font_draw_glyph_func_t:
* hb_font_draw_glyph_or_fail_func_t:
* @font: #hb_font_t to work upon
* @font_data: @font user data pointer
* @glyph: The glyph ID to query
@ -496,16 +496,17 @@ typedef hb_bool_t (*hb_font_get_glyph_from_name_func_t) (hb_font_t *font, void *
*
* A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
*
* Since: 7.0.0
* Return value: `true` if glyph was drawn, `false` otherwise
*
* XSince: REPLACEME
**/
typedef void (*hb_font_draw_glyph_func_t) (hb_font_t *font, void *font_data,
hb_codepoint_t glyph,
hb_draw_funcs_t *draw_funcs, void *draw_data,
void *user_data);
typedef hb_bool_t (*hb_font_draw_glyph_or_fail_func_t) (hb_font_t *font, void *font_data,
hb_codepoint_t glyph,
hb_draw_funcs_t *draw_funcs, void *draw_data,
void *user_data);
/**
* hb_font_paint_glyph_func_t:
* hb_font_paint_glyph_or_fail_func_t:
* @font: #hb_font_t to work upon
* @font_data: @font user data pointer
* @glyph: The glyph ID to query
@ -517,14 +518,16 @@ typedef void (*hb_font_draw_glyph_func_t) (hb_font_t *font, void *font_data,
*
* A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
*
* Since: 7.0.0
* Return value: `true` if glyph was painted, `false` otherwise
*
* XSince: REPLACEME
*/
typedef void (*hb_font_paint_glyph_func_t) (hb_font_t *font, void *font_data,
hb_codepoint_t glyph,
hb_paint_funcs_t *paint_funcs, void *paint_data,
unsigned int palette_index,
hb_color_t foreground,
void *user_data);
typedef hb_bool_t (*hb_font_paint_glyph_or_fail_func_t) (hb_font_t *font, void *font_data,
hb_codepoint_t glyph,
hb_paint_funcs_t *paint_funcs, void *paint_data,
unsigned int palette_index,
hb_color_t foreground,
void *user_data);
/* func setters */
@ -785,36 +788,36 @@ hb_font_funcs_set_glyph_from_name_func (hb_font_funcs_t *ffuncs,
void *user_data, hb_destroy_func_t destroy);
/**
* hb_font_funcs_set_draw_glyph_func:
* hb_font_funcs_set_draw_glyph_or_fail_func:
* @ffuncs: A font-function structure
* @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign
* @user_data: Data to pass to @func
* @destroy: (nullable): The function to call when @user_data is not needed anymore
*
* Sets the implementation function for #hb_font_draw_glyph_func_t.
* Sets the implementation function for #hb_font_draw_glyph_or_fail_func_t.
*
* Since: 7.0.0
* XSince: REPLACEME
**/
HB_EXTERN void
hb_font_funcs_set_draw_glyph_func (hb_font_funcs_t *ffuncs,
hb_font_draw_glyph_func_t func,
void *user_data, hb_destroy_func_t destroy);
hb_font_funcs_set_draw_glyph_or_fail_func (hb_font_funcs_t *ffuncs,
hb_font_draw_glyph_or_fail_func_t func,
void *user_data, hb_destroy_func_t destroy);
/**
* hb_font_funcs_set_paint_glyph_func:
* hb_font_funcs_set_paint_glyph_or_fail_func:
* @ffuncs: A font-function structure
* @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign
* @user_data: Data to pass to @func
* @destroy: (nullable): The function to call when @user_data is no longer needed
*
* Sets the implementation function for #hb_font_paint_glyph_func_t.
* Sets the implementation function for #hb_font_paint_glyph_or_fail_func_t.
*
* Since: 7.0.0
* XSince: REPLACEME
*/
HB_EXTERN void
hb_font_funcs_set_paint_glyph_func (hb_font_funcs_t *ffuncs,
hb_font_paint_glyph_func_t func,
void *user_data, hb_destroy_func_t destroy);
hb_font_funcs_set_paint_glyph_or_fail_func (hb_font_funcs_t *ffuncs,
hb_font_paint_glyph_or_fail_func_t func,
void *user_data, hb_destroy_func_t destroy);
/* func dispatch */
@ -896,17 +899,17 @@ hb_font_get_glyph_from_name (hb_font_t *font,
const char *name, int len, /* -1 means nul-terminated */
hb_codepoint_t *glyph);
HB_EXTERN void
hb_font_draw_glyph (hb_font_t *font,
hb_codepoint_t glyph,
hb_draw_funcs_t *dfuncs, void *draw_data);
HB_EXTERN hb_bool_t
hb_font_draw_glyph_or_fail (hb_font_t *font,
hb_codepoint_t glyph,
hb_draw_funcs_t *dfuncs, void *draw_data);
HB_EXTERN void
hb_font_paint_glyph (hb_font_t *font,
hb_codepoint_t glyph,
hb_paint_funcs_t *pfuncs, void *paint_data,
unsigned int palette_index,
hb_color_t foreground);
HB_EXTERN hb_bool_t
hb_font_paint_glyph_or_fail (hb_font_t *font,
hb_codepoint_t glyph,
hb_paint_funcs_t *pfuncs, void *paint_data,
unsigned int palette_index,
hb_color_t foreground);
/* high-level funcs, with fallback */
@ -979,6 +982,19 @@ hb_font_glyph_from_string (hb_font_t *font,
const char *s, int len, /* -1 means nul-terminated */
hb_codepoint_t *glyph);
/* Older alias for hb_font_draw_glyph_or_fail() with no return value. */
HB_EXTERN void
hb_font_draw_glyph (hb_font_t *font,
hb_codepoint_t glyph,
hb_draw_funcs_t *dfuncs, void *draw_data);
/* Paints color glyph; if failed, draws outline glyph. */
HB_EXTERN void
hb_font_paint_glyph (hb_font_t *font,
hb_codepoint_t glyph,
hb_paint_funcs_t *pfuncs, void *paint_data,
unsigned int palette_index,
hb_color_t foreground);
/*
* hb_font_t
@ -1052,6 +1068,12 @@ hb_font_set_funcs_data (hb_font_t *font,
void *font_data,
hb_destroy_func_t destroy);
HB_EXTERN hb_bool_t
hb_font_set_funcs_using (hb_font_t *font,
const char *name);
HB_EXTERN const char **
hb_font_list_funcs (void);
HB_EXTERN void
hb_font_set_scale (hb_font_t *font,
@ -1086,6 +1108,9 @@ hb_font_set_ptem (hb_font_t *font, float ptem);
HB_EXTERN float
hb_font_get_ptem (hb_font_t *font);
HB_EXTERN hb_bool_t
hb_font_is_synthetic (hb_font_t *font);
HB_EXTERN void
hb_font_set_synthetic_bold (hb_font_t *font,
float x_embolden, float y_embolden,

365
thirdparty/harfbuzz/src/hb-font.hh vendored
View file

@ -32,7 +32,11 @@
#include "hb.hh"
#include "hb-face.hh"
#include "hb-atomic.hh"
#include "hb-draw.hh"
#include "hb-paint-extents.hh"
#include "hb-shaper.hh"
#include "hb-outline.hh"
/*
@ -57,8 +61,8 @@
HB_FONT_FUNC_IMPLEMENT (get_,glyph_contour_point) \
HB_FONT_FUNC_IMPLEMENT (get_,glyph_name) \
HB_FONT_FUNC_IMPLEMENT (get_,glyph_from_name) \
HB_FONT_FUNC_IMPLEMENT (,draw_glyph) \
HB_FONT_FUNC_IMPLEMENT (,paint_glyph) \
HB_FONT_FUNC_IMPLEMENT (,draw_glyph_or_fail) \
HB_FONT_FUNC_IMPLEMENT (,paint_glyph_or_fail) \
/* ^--- Add new callbacks here */
struct hb_font_funcs_t
@ -105,8 +109,8 @@ DECLARE_NULL_INSTANCE (hb_font_funcs_t);
struct hb_font_t
{
hb_object_header_t header;
unsigned int serial;
unsigned int serial_coords;
hb_atomic_t<unsigned> serial;
hb_atomic_t<unsigned> serial_coords;
hb_font_t *parent;
hb_face_t *face;
@ -191,23 +195,35 @@ struct hb_font_t
void scale_glyph_extents (hb_glyph_extents_t *extents)
{
float x1 = em_fscale_x (extents->x_bearing);
float y1 = em_fscale_y (extents->y_bearing);
float x2 = em_fscale_x (extents->x_bearing + extents->width);
float y2 = em_fscale_y (extents->y_bearing + extents->height);
float x1 = em_scale_x (extents->x_bearing);
float y1 = em_scale_y (extents->y_bearing);
float x2 = em_scale_x (extents->x_bearing + extents->width);
float y2 = em_scale_y (extents->y_bearing + extents->height);
/* Apply slant. */
extents->x_bearing = roundf (x1);
extents->y_bearing = roundf (y1);
extents->width = roundf (x2) - extents->x_bearing;
extents->height = roundf (y2) - extents->y_bearing;
}
void synthetic_glyph_extents (hb_glyph_extents_t *extents)
{
/* Slant. */
if (slant_xy)
{
x1 += hb_min (y1 * slant_xy, y2 * slant_xy);
x2 += hb_max (y1 * slant_xy, y2 * slant_xy);
hb_position_t x1 = extents->x_bearing;
hb_position_t y1 = extents->y_bearing;
hb_position_t x2 = extents->x_bearing + extents->width;
hb_position_t y2 = extents->y_bearing + extents->height;
x1 += floorf (hb_min (y1 * slant_xy, y2 * slant_xy));
x2 += ceilf (hb_max (y1 * slant_xy, y2 * slant_xy));
extents->x_bearing = x1;
extents->width = x2 - extents->x_bearing;
}
extents->x_bearing = floorf (x1);
extents->y_bearing = floorf (y1);
extents->width = ceilf (x2) - extents->x_bearing;
extents->height = ceilf (y2) - extents->y_bearing;
/* Embolden. */
if (x_strength || y_strength)
{
/* Y */
@ -250,19 +266,45 @@ struct hb_font_t
HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
#undef HB_FONT_FUNC_IMPLEMENT
hb_bool_t get_font_h_extents (hb_font_extents_t *extents)
hb_bool_t get_font_h_extents (hb_font_extents_t *extents,
bool synthetic = true)
{
hb_memset (extents, 0, sizeof (*extents));
return klass->get.f.font_h_extents (this, user_data,
extents,
!klass->user_data ? nullptr : klass->user_data->font_h_extents);
bool ret = klass->get.f.font_h_extents (this, user_data,
extents,
!klass->user_data ? nullptr : klass->user_data->font_h_extents);
if (synthetic && ret)
{
/* Embolden */
int y_shift = y_scale < 0 ? -y_strength : y_strength;
extents->ascender += y_shift;
}
return ret;
}
hb_bool_t get_font_v_extents (hb_font_extents_t *extents)
hb_bool_t get_font_v_extents (hb_font_extents_t *extents,
bool synthetic = true)
{
hb_memset (extents, 0, sizeof (*extents));
return klass->get.f.font_v_extents (this, user_data,
extents,
!klass->user_data ? nullptr : klass->user_data->font_v_extents);
bool ret = klass->get.f.font_v_extents (this, user_data,
extents,
!klass->user_data ? nullptr : klass->user_data->font_v_extents);
if (synthetic && ret)
{
/* Embolden */
int x_shift = x_scale < 0 ? -x_strength : x_strength;
if (embolden_in_place)
{
extents->ascender += x_shift / 2;
extents->descender -= x_shift - x_shift / 2;
}
else
extents->ascender += x_shift;
}
return ret;
}
bool has_glyph (hb_codepoint_t unicode)
@ -303,44 +345,88 @@ struct hb_font_t
!klass->user_data ? nullptr : klass->user_data->variation_glyph);
}
hb_position_t get_glyph_h_advance (hb_codepoint_t glyph)
hb_position_t get_glyph_h_advance (hb_codepoint_t glyph,
bool synthetic = true)
{
return klass->get.f.glyph_h_advance (this, user_data,
glyph,
!klass->user_data ? nullptr : klass->user_data->glyph_h_advance);
hb_position_t advance = klass->get.f.glyph_h_advance (this, user_data,
glyph,
!klass->user_data ? nullptr : klass->user_data->glyph_h_advance);
if (synthetic && x_strength && !embolden_in_place)
{
/* Embolden */
hb_position_t strength = x_scale >= 0 ? x_strength : -x_strength;
advance += advance ? strength : 0;
}
return advance;
}
hb_position_t get_glyph_v_advance (hb_codepoint_t glyph)
hb_position_t get_glyph_v_advance (hb_codepoint_t glyph,
bool synthetic = true)
{
return klass->get.f.glyph_v_advance (this, user_data,
glyph,
!klass->user_data ? nullptr : klass->user_data->glyph_v_advance);
hb_position_t advance = klass->get.f.glyph_v_advance (this, user_data,
glyph,
!klass->user_data ? nullptr : klass->user_data->glyph_v_advance);
if (synthetic && y_strength && !embolden_in_place)
{
/* Embolden */
hb_position_t strength = y_scale >= 0 ? y_strength : -y_strength;
advance += advance ? strength : 0;
}
return advance;
}
void get_glyph_h_advances (unsigned int count,
const hb_codepoint_t *first_glyph,
unsigned int glyph_stride,
hb_position_t *first_advance,
unsigned int advance_stride)
unsigned int advance_stride,
bool synthetic = true)
{
return klass->get.f.glyph_h_advances (this, user_data,
count,
first_glyph, glyph_stride,
first_advance, advance_stride,
!klass->user_data ? nullptr : klass->user_data->glyph_h_advances);
klass->get.f.glyph_h_advances (this, user_data,
count,
first_glyph, glyph_stride,
first_advance, advance_stride,
!klass->user_data ? nullptr : klass->user_data->glyph_h_advances);
if (synthetic && x_strength && !embolden_in_place)
{
/* Embolden */
hb_position_t strength = x_scale >= 0 ? x_strength : -x_strength;
for (unsigned int i = 0; i < count; i++)
{
*first_advance += *first_advance ? strength : 0;
first_advance = &StructAtOffsetUnaligned<hb_position_t> (first_advance, advance_stride);
}
}
}
void get_glyph_v_advances (unsigned int count,
const hb_codepoint_t *first_glyph,
unsigned int glyph_stride,
hb_position_t *first_advance,
unsigned int advance_stride)
unsigned int advance_stride,
bool synthetic = true)
{
return klass->get.f.glyph_v_advances (this, user_data,
count,
first_glyph, glyph_stride,
first_advance, advance_stride,
!klass->user_data ? nullptr : klass->user_data->glyph_v_advances);
klass->get.f.glyph_v_advances (this, user_data,
count,
first_glyph, glyph_stride,
first_advance, advance_stride,
!klass->user_data ? nullptr : klass->user_data->glyph_v_advances);
if (synthetic && y_strength && !embolden_in_place)
{
/* Embolden */
hb_position_t strength = y_scale >= 0 ? y_strength : -y_strength;
for (unsigned int i = 0; i < count; i++)
{
*first_advance += *first_advance ? strength : 0;
first_advance = &StructAtOffsetUnaligned<hb_position_t> (first_advance, advance_stride);
}
}
}
hb_bool_t get_glyph_h_origin (hb_codepoint_t glyph,
@ -386,23 +472,86 @@ struct hb_font_t
}
hb_bool_t get_glyph_extents (hb_codepoint_t glyph,
hb_glyph_extents_t *extents)
hb_glyph_extents_t *extents,
bool synthetic = true)
{
hb_memset (extents, 0, sizeof (*extents));
return klass->get.f.glyph_extents (this, user_data,
glyph,
extents,
!klass->user_data ? nullptr : klass->user_data->glyph_extents);
/* This is rather messy, but necessary. */
if (!synthetic)
{
return klass->get.f.glyph_extents (this, user_data,
glyph,
extents,
!klass->user_data ? nullptr : klass->user_data->glyph_extents);
}
if (!is_synthetic () &&
klass->get.f.glyph_extents (this, user_data,
glyph,
extents,
!klass->user_data ? nullptr : klass->user_data->glyph_extents))
return true;
/* Try getting extents from paint(), then draw(), *then* get_extents()
* and apply synthetic settings in the last case. */
#ifndef HB_NO_PAINT
hb_paint_extents_context_t paint_extents;
if (paint_glyph_or_fail (glyph,
hb_paint_extents_get_funcs (), &paint_extents,
0, 0))
{
*extents = paint_extents.get_extents ().to_glyph_extents ();
return true;
}
#endif
#ifndef HB_NO_DRAW
hb_extents_t draw_extents;
if (draw_glyph_or_fail (glyph,
hb_draw_extents_get_funcs (), &draw_extents))
{
*extents = draw_extents.to_glyph_extents ();
return true;
}
#endif
bool ret = klass->get.f.glyph_extents (this, user_data,
glyph,
extents,
!klass->user_data ? nullptr : klass->user_data->glyph_extents);
if (ret)
synthetic_glyph_extents (extents);
return ret;
}
hb_bool_t get_glyph_contour_point (hb_codepoint_t glyph, unsigned int point_index,
hb_position_t *x, hb_position_t *y)
hb_position_t *x, hb_position_t *y,
bool synthetic = true)
{
*x = *y = 0;
return klass->get.f.glyph_contour_point (this, user_data,
glyph, point_index,
x, y,
!klass->user_data ? nullptr : klass->user_data->glyph_contour_point);
bool ret = klass->get.f.glyph_contour_point (this, user_data,
glyph, point_index,
x, y,
!klass->user_data ? nullptr : klass->user_data->glyph_contour_point);
if (synthetic && ret)
{
/* Slant */
if (slant_xy)
*x += roundf (*y * slant_xy);
/* Embolden */
if (!embolden_in_place)
{
int x_shift = x_scale < 0 ? -x_strength : x_strength;
*x += x_shift;
}
}
return ret;
}
hb_bool_t get_glyph_name (hb_codepoint_t glyph,
@ -426,29 +575,94 @@ struct hb_font_t
!klass->user_data ? nullptr : klass->user_data->glyph_from_name);
}
void draw_glyph (hb_codepoint_t glyph,
hb_draw_funcs_t *draw_funcs, void *draw_data)
bool draw_glyph_or_fail (hb_codepoint_t glyph,
hb_draw_funcs_t *draw_funcs, void *draw_data,
bool synthetic = true)
{
klass->get.f.draw_glyph (this, user_data,
glyph,
draw_funcs, draw_data,
!klass->user_data ? nullptr : klass->user_data->draw_glyph);
#ifndef HB_NO_DRAW
#ifndef HB_NO_OUTLINE
bool embolden = x_strength || y_strength;
bool slanted = slant_xy;
synthetic = synthetic && (embolden || slanted);
#else
synthetic = false;
#endif
if (!synthetic)
{
return klass->get.f.draw_glyph_or_fail (this, user_data,
glyph,
draw_funcs, draw_data,
!klass->user_data ? nullptr : klass->user_data->draw_glyph_or_fail);
}
#ifndef HB_NO_OUTLINE
hb_outline_t outline;
if (!klass->get.f.draw_glyph_or_fail (this, user_data,
glyph,
hb_outline_recording_pen_get_funcs (), &outline,
!klass->user_data ? nullptr : klass->user_data->draw_glyph_or_fail))
return false;
// Slant before embolden; produces nicer results.
if (slanted)
outline.slant (slant_xy);
if (embolden)
{
float x_shift = embolden_in_place ? 0 : (float) x_strength / 2;
float y_shift = (float) y_strength / 2;
if (x_scale < 0) x_shift = -x_shift;
if (y_scale < 0) y_shift = -y_shift;
outline.embolden (x_strength, y_strength, x_shift, y_shift);
}
outline.replay (draw_funcs, draw_data);
return true;
#endif
#endif
return false;
}
void paint_glyph (hb_codepoint_t glyph,
hb_paint_funcs_t *paint_funcs, void *paint_data,
unsigned int palette,
hb_color_t foreground)
bool paint_glyph_or_fail (hb_codepoint_t glyph,
hb_paint_funcs_t *paint_funcs, void *paint_data,
unsigned int palette,
hb_color_t foreground,
bool synthetic = true)
{
klass->get.f.paint_glyph (this, user_data,
glyph,
paint_funcs, paint_data,
palette, foreground,
!klass->user_data ? nullptr : klass->user_data->paint_glyph);
#ifndef HB_NO_PAINT
/* Slant */
if (synthetic && slant_xy)
hb_paint_push_transform (paint_funcs, paint_data,
1.f, 0.f,
slant_xy, 1.f,
0.f, 0.f);
bool ret = klass->get.f.paint_glyph_or_fail (this, user_data,
glyph,
paint_funcs, paint_data,
palette, foreground,
!klass->user_data ? nullptr : klass->user_data->paint_glyph_or_fail);
if (synthetic && slant_xy)
hb_paint_pop_transform (paint_funcs, paint_data);
return ret;
#endif
return false;
}
/* A bit higher-level, and with fallback */
HB_INTERNAL
void paint_glyph (hb_codepoint_t glyph,
hb_paint_funcs_t *paint_funcs, void *paint_data,
unsigned int palette,
hb_color_t foreground);
void get_h_extents_with_fallback (hb_font_extents_t *extents)
{
if (!get_font_h_extents (extents))
@ -686,7 +900,12 @@ struct hb_font_t
return false;
}
void mults_changed ()
bool is_synthetic () const
{
return x_embolden || y_embolden || slant;
}
void changed ()
{
float upem = face->get_upem ();
@ -697,12 +916,14 @@ struct hb_font_t
bool y_neg = y_scale < 0;
y_mult = (y_neg ? -((int64_t) -y_scale << 16) : ((int64_t) y_scale << 16)) / upem;
x_strength = fabsf (roundf (x_scale * x_embolden));
y_strength = fabsf (roundf (y_scale * y_embolden));
x_strength = roundf (abs (x_scale) * x_embolden);
y_strength = roundf (abs (y_scale) * y_embolden);
slant_xy = y_scale ? slant * x_scale / y_scale : 0.f;
data.fini ();
serial++;
}
hb_position_t em_mult (int16_t v, int64_t mult)

56
thirdparty/harfbuzz/src/hb-fontations.h vendored Normal file
View file

@ -0,0 +1,56 @@
/*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Author(s): Behdad Esfahbod
*/
#ifndef HB_FONTATIONS_H
#define HB_FONTATIONS_H
#include "hb.h"
/**
* SECTION: hb-fontations
* @title: hb-fontations
* @short_description: Fontations integration
* @include: hb-fontations.h
*
* Functions for using HarfBuzz with
* [Fontations](https://github.com/googlefonts/fontations/) fonts.
**/
HB_BEGIN_DECLS
/**
* hb_fontations_font_set_funcs:
* @font: #hb_font_t to work upon
*
* Configures the font-functions structure of the specified #hb_font_t font
* object to use Fontations font functions.
*
* Since: 11.0.0
**/
HB_EXTERN void
hb_fontations_font_set_funcs (hb_font_t *font);
HB_END_DECLS
#endif /* HB_FONTATIONS_H */

105
thirdparty/harfbuzz/src/hb-ft-colr.hh vendored
View file

@ -28,7 +28,7 @@
#include "hb.hh"
#include "hb-decycler.hh"
#include "hb-paint-extents.hh"
#include "hb-paint-bounded.hh"
#include FT_COLOR_H
@ -80,15 +80,30 @@ _hb_ft_paint (hb_ft_paint_context_t *c,
struct hb_ft_paint_context_t
{
hb_ft_paint_context_t (const hb_ft_font_t *ft_font,
hb_font_t *font,
hb_ft_paint_context_t (const hb_ft_font_t *ft_font_,
hb_font_t *font_,
hb_paint_funcs_t *paint_funcs, void *paint_data,
FT_Color *palette,
hb_array_t<const FT_Color> palette,
unsigned palette_index,
hb_color_t foreground) :
ft_font (ft_font), font(font),
ft_font (ft_font_), font (font_),
funcs (paint_funcs), data (paint_data),
palette (palette), palette_index (palette_index), foreground (foreground) {}
palette (palette), palette_index (palette_index), foreground (foreground)
{
if (font->is_synthetic ())
{
font = hb_font_create_sub_font (font);
hb_font_set_synthetic_bold (font, 0, 0, true);
hb_font_set_synthetic_slant (font, 0);
}
else
hb_font_reference (font);
}
~hb_ft_paint_context_t ()
{
hb_font_destroy (font);
}
void recurse (FT_OpaquePaint paint)
{
@ -103,7 +118,7 @@ struct hb_ft_paint_context_t
hb_font_t *font;
hb_paint_funcs_t *funcs;
void *data;
FT_Color *palette;
hb_array_t<const FT_Color> palette;
unsigned palette_index;
hb_color_t foreground;
hb_decycler_t glyphs_decycler;
@ -167,7 +182,7 @@ _hb_ft_color_line_get_color_stops (hb_color_line_t *color_line,
hb_color_get_red (color),
(hb_color_get_alpha (color) * stop.color.alpha) >> 14);
}
else
else if (c->palette)
{
FT_Color ft_color = c->palette[stop.color.palette_index];
color_stops->color = HB_COLOR (ft_color.blue,
@ -175,6 +190,8 @@ _hb_ft_color_line_get_color_stops (hb_color_line_t *color_line,
ft_color.red,
(ft_color.alpha * stop.color.alpha) >> 14);
}
else
color_stops->color = HB_COLOR (0, 0, 0, 0);
}
color_stops++;
@ -229,9 +246,7 @@ _hb_ft_paint (hb_ft_paint_context_t *c,
if (unlikely (!node.visit ((uintptr_t) other_paint.p)))
continue;
c->funcs->push_group (c->data);
c->recurse (other_paint);
c->funcs->pop_group (c->data, HB_PAINT_COMPOSITE_MODE_SRC_OVER);
}
}
break;
@ -316,11 +331,11 @@ _hb_ft_paint (hb_ft_paint_context_t *c,
break;
case FT_COLR_PAINTFORMAT_GLYPH:
{
c->funcs->push_inverse_root_transform (c->data, c->font);
c->funcs->push_inverse_font_transform (c->data, c->font);
c->ft_font->lock.unlock ();
c->funcs->push_clip_glyph (c->data, paint.u.glyph.glyphID, c->font);
c->ft_font->lock.lock ();
c->funcs->push_root_transform (c->data, c->font);
c->funcs->push_font_transform (c->data, c->font);
c->recurse (paint.u.glyph.paint);
c->funcs->pop_transform (c->data);
c->funcs->pop_clip (c->data);
@ -335,7 +350,7 @@ _hb_ft_paint (hb_ft_paint_context_t *c,
if (unlikely (!node.visit (gid)))
return;
c->funcs->push_inverse_root_transform (c->data, c->font);
c->funcs->push_inverse_font_transform (c->data, c->font);
c->ft_font->lock.unlock ();
if (c->funcs->color_glyph (c->data, gid, c->font))
{
@ -451,10 +466,12 @@ _hb_ft_paint (hb_ft_paint_context_t *c,
break;
case FT_COLR_PAINTFORMAT_COMPOSITE:
{
c->funcs->push_group (c->data);
c->recurse (paint.u.composite.backdrop_paint);
c->funcs->push_group (c->data);
c->recurse (paint.u.composite.source_paint);
c->funcs->pop_group (c->data, _hb_ft_paint_composite_mode (paint.u.composite.composite_mode));
c->funcs->pop_group (c->data, HB_PAINT_COMPOSITE_MODE_SRC_OVER);
}
break;
@ -479,17 +496,24 @@ hb_ft_paint_glyph_colr (hb_font_t *font,
/* Face is locked. */
FT_Error error;
FT_Color* palette;
FT_Palette_Data palette_data = {};
FT_Color* palette = NULL;
FT_LayerIterator iterator;
FT_Bool have_layers;
FT_UInt layer_glyph_index;
FT_UInt layer_color_index;
error = FT_Palette_Select(ft_face, palette_index, &palette);
if (error)
palette = NULL;
(void) FT_Palette_Data_Get(ft_face, &palette_data);
(void) FT_Palette_Select(ft_face, palette_index, &palette);
if (!palette)
{
// https://github.com/harfbuzz/harfbuzz/issues/5116
(void) FT_Palette_Select(ft_face, 0, &palette);
}
auto palette_array = hb_array ((const FT_Color *) palette,
palette ? palette_data.num_palette_entries : 0);
/* COLRv1 */
FT_OpaquePaint paint = {0};
@ -499,56 +523,45 @@ hb_ft_paint_glyph_colr (hb_font_t *font,
{
hb_ft_paint_context_t c (ft_font, font,
paint_funcs, paint_data,
palette, palette_index, foreground);
palette_array, palette_index, foreground);
hb_decycler_node_t node (c.glyphs_decycler);
node.visit (gid);
bool is_bounded = true;
bool clip = false;
bool is_bounded = false;
FT_ClipBox clip_box;
if (FT_Get_Color_Glyph_ClipBox (ft_face, gid, &clip_box))
{
c.funcs->push_clip_rectangle (c.data,
clip_box.bottom_left.x +
roundf (hb_min (font->slant_xy * clip_box.bottom_left.y,
font->slant_xy * clip_box.top_left.y)),
clip_box.bottom_left.x,
clip_box.bottom_left.y,
clip_box.top_right.x +
roundf (hb_max (font->slant_xy * clip_box.bottom_right.y,
font->slant_xy * clip_box.top_right.y)),
clip_box.top_right.x,
clip_box.top_right.y);
clip = true;
is_bounded = true;
}
else
if (!is_bounded)
{
auto *extents_funcs = hb_paint_extents_get_funcs ();
hb_paint_extents_context_t extents_data;
auto *bounded_funcs = hb_paint_bounded_get_funcs ();
hb_paint_bounded_context_t bounded_data;
hb_ft_paint_context_t ce (ft_font, font,
extents_funcs, &extents_data,
palette, palette_index, foreground);
bounded_funcs, &bounded_data,
palette_array, palette_index, foreground);
hb_decycler_node_t node2 (ce.glyphs_decycler);
node2.visit (gid);
ce.funcs->push_root_transform (ce.data, font);
ce.recurse (paint);
ce.funcs->pop_transform (ce.data);
hb_extents_t extents = extents_data.get_extents ();
is_bounded = extents_data.is_bounded ();
c.funcs->push_clip_rectangle (c.data,
extents.xmin,
extents.ymin,
extents.xmax,
extents.ymax);
is_bounded = bounded_data.is_bounded ();
}
c.funcs->push_root_transform (c.data, font);
c.funcs->push_font_transform (c.data, font);
if (is_bounded)
{
c.recurse (paint);
}
c.funcs->pop_transform (c.data);
c.funcs->pop_clip (c.data);
if (clip)
c.funcs->pop_clip (c.data);
return true;
}

348
thirdparty/harfbuzz/src/hb-ft.cc vendored
View file

@ -37,11 +37,7 @@
#include "hb-draw.hh"
#include "hb-font.hh"
#include "hb-machinery.hh"
#ifndef HB_NO_AAT
#include "hb-aat-layout-trak-table.hh"
#endif
#include "hb-ot-os2-table.hh"
#include "hb-ot-stat-table.hh"
#include "hb-ot-shaper-arabic-pua.hh"
#include "hb-paint.hh"
@ -101,7 +97,7 @@ struct hb_ft_font_t
mutable hb_mutex_t lock; /* Protects members below. */
FT_Face ft_face;
mutable unsigned cached_serial;
mutable hb_atomic_t<unsigned> cached_serial;
mutable hb_ft_advance_cache_t advance_cache;
};
@ -118,7 +114,7 @@ _hb_ft_font_create (FT_Face ft_face, bool symbol, bool unref)
ft_font->load_flags = FT_LOAD_DEFAULT | FT_LOAD_NO_HINTING;
ft_font->cached_serial = (unsigned) -1;
ft_font->cached_serial = UINT_MAX;
new (&ft_font->advance_cache) hb_ft_advance_cache_t;
return ft_font;
@ -213,9 +209,10 @@ _hb_ft_hb_font_check_changed (hb_font_t *font,
{
if (font->serial != ft_font->cached_serial)
{
hb_lock_t lock (ft_font->lock);
_hb_ft_hb_font_changed (font, ft_font->ft_face);
ft_font->advance_cache.clear ();
ft_font->cached_serial = font->serial;
ft_font->cached_serial.set_release (font->serial.get_acquire ());
return true;
}
return false;
@ -478,7 +475,8 @@ hb_ft_get_glyph_h_advances (hb_font_t* font, void* font_data,
void *user_data HB_UNUSED)
{
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
hb_position_t *orig_first_advance = first_advance;
_hb_ft_hb_font_check_changed (font, ft_font);
hb_lock_t lock (ft_font->lock);
FT_Face ft_face = ft_font->ft_face;
int load_flags = ft_font->load_flags;
@ -519,38 +517,6 @@ hb_ft_get_glyph_h_advances (hb_font_t* font, void* font_data,
first_glyph = &StructAtOffsetUnaligned<hb_codepoint_t> (first_glyph, glyph_stride);
first_advance = &StructAtOffsetUnaligned<hb_position_t> (first_advance, advance_stride);
}
if (font->x_strength && !font->embolden_in_place)
{
/* Emboldening. */
hb_position_t x_strength = font->x_scale >= 0 ? font->x_strength : -font->x_strength;
first_advance = orig_first_advance;
for (unsigned int i = 0; i < count; i++)
{
*first_advance += *first_advance ? x_strength : 0;
first_advance = &StructAtOffsetUnaligned<hb_position_t> (first_advance, advance_stride);
}
}
#ifndef HB_NO_AAT
/* According to Ned, trak is applied by default for "modern fonts", as detected by presence of STAT table. */
#ifndef HB_NO_STYLE
bool apply_trak = font->face->table.STAT->has_data () && font->face->table.trak->has_data ();
#else
bool apply_trak = false;
#endif
if (apply_trak)
{
hb_position_t tracking = font->face->table.trak->get_h_tracking (font);
first_advance = orig_first_advance;
for (unsigned int i = 0; i < count; i++)
{
*first_advance += tracking;
first_glyph = &StructAtOffsetUnaligned<hb_codepoint_t> (first_glyph, glyph_stride);
first_advance = &StructAtOffsetUnaligned<hb_position_t> (first_advance, advance_stride);
}
}
#endif
}
#ifndef HB_NO_VERTICAL
@ -561,6 +527,8 @@ hb_ft_get_glyph_v_advance (hb_font_t *font,
void *user_data HB_UNUSED)
{
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
_hb_ft_hb_font_check_changed (font, ft_font);
hb_lock_t lock (ft_font->lock);
FT_Fixed v;
float y_mult;
@ -581,26 +549,11 @@ hb_ft_get_glyph_v_advance (hb_font_t *font,
if (unlikely (FT_Get_Advance (ft_font->ft_face, glyph, ft_font->load_flags | FT_LOAD_VERTICAL_LAYOUT, &v)))
return 0;
v = (int) (y_mult * v);
/* Note: FreeType's vertical metrics grows downward while other FreeType coordinates
* have a Y growing upward. Hence the extra negation. */
v = ((-v + (1<<9)) >> 10);
hb_position_t y_strength = font->y_scale >= 0 ? font->y_strength : -font->y_strength;
v = ((-v + (1<<9)) >> 10) + (font->embolden_in_place ? 0 : y_strength);
#ifndef HB_NO_AAT
/* According to Ned, trak is applied by default for "modern fonts", as detected by presence of STAT table. */
#ifndef HB_NO_STYLE
bool apply_trak = font->face->table.STAT->has_data () && font->face->table.trak->has_data ();
#else
bool apply_trak = false;
#endif
if (apply_trak)
v += font->face->table.trak->get_v_tracking (font);
#endif
return v;
return (hb_position_t) (y_mult * v);
}
#endif
@ -614,6 +567,8 @@ hb_ft_get_glyph_v_origin (hb_font_t *font,
void *user_data HB_UNUSED)
{
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
_hb_ft_hb_font_check_changed (font, ft_font);
hb_lock_t lock (ft_font->lock);
FT_Face ft_face = ft_font->ft_face;
float x_mult, y_mult;
@ -658,6 +613,8 @@ hb_ft_get_glyph_h_kerning (hb_font_t *font,
void *user_data HB_UNUSED)
{
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
_hb_ft_hb_font_check_changed (font, ft_font);
hb_lock_t lock (ft_font->lock);
FT_Vector kerningv;
@ -669,6 +626,41 @@ hb_ft_get_glyph_h_kerning (hb_font_t *font,
}
#endif
static bool
hb_ft_is_colr_glyph (hb_font_t *font,
void *font_data,
hb_codepoint_t gid)
{
#ifndef HB_NO_PAINT
#if (FREETYPE_MAJOR*10000 + FREETYPE_MINOR*100 + FREETYPE_PATCH) >= 21300
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
FT_Face ft_face = ft_font->ft_face;
/* COLRv1 */
FT_OpaquePaint paint = {0};
if (FT_Get_Color_Glyph_Paint (ft_face, gid,
FT_COLOR_NO_ROOT_TRANSFORM,
&paint))
return true;
/* COLRv0 */
FT_LayerIterator iterator;
FT_UInt layer_glyph_index;
FT_UInt layer_color_index;
iterator.p = NULL;
if (FT_Get_Color_Glyph_Layer (ft_face,
gid,
&layer_glyph_index,
&layer_color_index,
&iterator))
return true;
#endif
#endif
return false;
}
static hb_bool_t
hb_ft_get_glyph_extents (hb_font_t *font,
void *font_data,
@ -676,11 +668,17 @@ hb_ft_get_glyph_extents (hb_font_t *font,
hb_glyph_extents_t *extents,
void *user_data HB_UNUSED)
{
// FreeType doesn't return COLR glyph extents.
if (hb_ft_is_colr_glyph (font, font_data, glyph))
return false;
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
_hb_ft_hb_font_check_changed (font, ft_font);
hb_lock_t lock (ft_font->lock);
FT_Face ft_face = ft_font->ft_face;
float x_mult, y_mult;
float slant_xy = font->slant_xy;
#ifdef HAVE_FT_GET_TRANSFORM
if (ft_font->transform)
{
@ -708,33 +706,10 @@ hb_ft_get_glyph_extents (hb_font_t *font,
float x2 = x1 + x_mult * ft_face->glyph->metrics.width;
float y2 = y1 + y_mult * -ft_face->glyph->metrics.height;
/* Apply slant. */
if (slant_xy)
{
x1 += hb_min (y1 * slant_xy, y2 * slant_xy);
x2 += hb_max (y1 * slant_xy, y2 * slant_xy);
}
extents->x_bearing = floorf (x1);
extents->y_bearing = floorf (y1);
extents->width = ceilf (x2) - extents->x_bearing;
extents->height = ceilf (y2) - extents->y_bearing;
if (font->x_strength || font->y_strength)
{
/* Y */
int y_shift = font->y_strength;
if (font->y_scale < 0) y_shift = -y_shift;
extents->y_bearing += y_shift;
extents->height -= y_shift;
/* X */
int x_shift = font->x_strength;
if (font->x_scale < 0) x_shift = -x_shift;
if (font->embolden_in_place)
extents->x_bearing -= x_shift / 2;
extents->width += x_shift;
}
extents->x_bearing = roundf (x1);
extents->y_bearing = roundf (y1);
extents->width = roundf (x2) - extents->x_bearing;
extents->height = roundf (y2) - extents->y_bearing;
return true;
}
@ -749,6 +724,8 @@ hb_ft_get_glyph_contour_point (hb_font_t *font HB_UNUSED,
void *user_data HB_UNUSED)
{
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
_hb_ft_hb_font_check_changed (font, ft_font);
hb_lock_t lock (ft_font->lock);
FT_Face ft_face = ft_font->ft_face;
@ -826,6 +803,8 @@ hb_ft_get_font_h_extents (hb_font_t *font HB_UNUSED,
void *user_data HB_UNUSED)
{
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
_hb_ft_hb_font_check_changed (font, ft_font);
hb_lock_t lock (ft_font->lock);
FT_Face ft_face = ft_font->ft_face;
float y_mult;
@ -857,7 +836,7 @@ hb_ft_get_font_h_extents (hb_font_t *font HB_UNUSED,
metrics->line_gap = ft_face->size->metrics.height - (metrics->ascender - metrics->descender);
}
metrics->ascender = (hb_position_t) (y_mult * (metrics->ascender + font->y_strength));
metrics->ascender = (hb_position_t) (y_mult * metrics->ascender);
metrics->descender = (hb_position_t) (y_mult * metrics->descender);
metrics->line_gap = (hb_position_t) (y_mult * metrics->line_gap);
@ -908,23 +887,25 @@ _hb_ft_cubic_to (const FT_Vector *control1,
return FT_Err_Ok;
}
static void
hb_ft_draw_glyph (hb_font_t *font,
void *font_data,
hb_codepoint_t glyph,
hb_draw_funcs_t *draw_funcs, void *draw_data,
void *user_data HB_UNUSED)
static hb_bool_t
hb_ft_draw_glyph_or_fail (hb_font_t *font,
void *font_data,
hb_codepoint_t glyph,
hb_draw_funcs_t *draw_funcs, void *draw_data,
void *user_data HB_UNUSED)
{
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
_hb_ft_hb_font_check_changed (font, ft_font);
hb_lock_t lock (ft_font->lock);
FT_Face ft_face = ft_font->ft_face;
if (unlikely (FT_Load_Glyph (ft_face, glyph,
FT_LOAD_NO_BITMAP | ft_font->load_flags)))
return;
return false;
if (ft_face->glyph->format != FT_GLYPH_FORMAT_OUTLINE)
return;
return false;
const FT_Outline_Funcs outline_funcs = {
_hb_ft_move_to,
@ -935,43 +916,13 @@ hb_ft_draw_glyph (hb_font_t *font,
0, /* delta */
};
hb_draw_session_t draw_session (draw_funcs, draw_data, font->slant_xy);
/* Embolden */
if (font->x_strength || font->y_strength)
{
FT_Outline_EmboldenXY (&ft_face->glyph->outline, font->x_strength, font->y_strength);
int x_shift = 0;
int y_shift = 0;
if (font->embolden_in_place)
{
/* Undo the FreeType shift. */
x_shift = -font->x_strength / 2;
y_shift = 0;
if (font->y_scale < 0) y_shift = -font->y_strength;
}
else
{
/* FreeType applied things in the wrong direction for negative scale; fix up. */
if (font->x_scale < 0) x_shift = -font->x_strength;
if (font->y_scale < 0) y_shift = -font->y_strength;
}
if (x_shift || y_shift)
{
auto &outline = ft_face->glyph->outline;
for (auto &point : hb_iter (outline.points, outline.contours[outline.n_contours - 1] + 1))
{
point.x += x_shift;
point.y += y_shift;
}
}
}
hb_draw_session_t draw_session {draw_funcs, draw_data};
FT_Outline_Decompose (&ft_face->glyph->outline,
&outline_funcs,
&draw_session);
return true;
}
#endif
@ -980,20 +931,22 @@ hb_ft_draw_glyph (hb_font_t *font,
#include "hb-ft-colr.hh"
static void
hb_ft_paint_glyph (hb_font_t *font,
void *font_data,
hb_codepoint_t gid,
hb_paint_funcs_t *paint_funcs, void *paint_data,
unsigned int palette_index,
hb_color_t foreground,
void *user_data)
static hb_bool_t
hb_ft_paint_glyph_or_fail (hb_font_t *font,
void *font_data,
hb_codepoint_t gid,
hb_paint_funcs_t *paint_funcs, void *paint_data,
unsigned int palette_index,
hb_color_t foreground,
void *user_data)
{
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
_hb_ft_hb_font_check_changed (font, ft_font);
hb_lock_t lock (ft_font->lock);
FT_Face ft_face = ft_font->ft_face;
FT_Long load_flags = ft_font->load_flags | FT_LOAD_NO_BITMAP | FT_LOAD_COLOR;
FT_Long load_flags = ft_font->load_flags | FT_LOAD_COLOR;
#if (FREETYPE_MAJOR*10000 + FREETYPE_MINOR*100 + FREETYPE_PATCH) >= 21301
load_flags |= FT_LOAD_NO_SVG;
#endif
@ -1002,7 +955,7 @@ hb_ft_paint_glyph (hb_font_t *font,
* eg. draw API can call back into the face.*/
if (unlikely (FT_Load_Glyph (ft_face, gid, load_flags)))
return;
return false;
if (ft_face->glyph->format == FT_GLYPH_FORMAT_OUTLINE)
{
@ -1010,26 +963,21 @@ hb_ft_paint_glyph (hb_font_t *font,
paint_funcs, paint_data,
palette_index, foreground,
user_data))
return;
return true;
/* Simple outline. */
ft_font->lock.unlock ();
paint_funcs->push_clip_glyph (paint_data, gid, font);
ft_font->lock.lock ();
paint_funcs->color (paint_data, true, foreground);
paint_funcs->pop_clip (paint_data);
return;
// Outline glyph
return false;
}
auto *glyph = ft_face->glyph;
if (glyph->format == FT_GLYPH_FORMAT_BITMAP)
{
bool ret = false;
auto &bitmap = glyph->bitmap;
if (bitmap.pixel_mode == FT_PIXEL_MODE_BGRA)
{
if (bitmap.pitch != (signed) bitmap.width * 4)
return;
return ret;
ft_font->lock.unlock ();
@ -1039,27 +987,26 @@ hb_ft_paint_glyph (hb_font_t *font,
nullptr, nullptr);
hb_glyph_extents_t extents;
if (!hb_font_get_glyph_extents (font, gid, &extents))
if (!font->get_glyph_extents (gid, &extents, false))
goto out;
if (!paint_funcs->image (paint_data,
blob,
bitmap.width,
bitmap.rows,
HB_PAINT_IMAGE_FORMAT_BGRA,
font->slant_xy,
&extents))
{
/* TODO Try a forced outline load and paint? */
}
if (paint_funcs->image (paint_data,
blob,
bitmap.width,
bitmap.rows,
HB_PAINT_IMAGE_FORMAT_BGRA,
0.f,
&extents))
ret = true;
out:
hb_blob_destroy (blob);
ft_font->lock.lock ();
}
return;
return ret;
}
return false;
}
#endif
#endif
@ -1079,10 +1026,8 @@ static struct hb_ft_font_funcs_lazy_loader_t : hb_font_funcs_lazy_loader_t<hb_ft
hb_font_funcs_set_font_h_extents_func (funcs, hb_ft_get_font_h_extents, nullptr, nullptr);
hb_font_funcs_set_glyph_h_advances_func (funcs, hb_ft_get_glyph_h_advances, nullptr, nullptr);
//hb_font_funcs_set_glyph_h_origin_func (funcs, hb_ft_get_glyph_h_origin, nullptr, nullptr);
#ifndef HB_NO_VERTICAL
//hb_font_funcs_set_font_v_extents_func (funcs, hb_ft_get_font_v_extents, nullptr, nullptr);
hb_font_funcs_set_glyph_v_advance_func (funcs, hb_ft_get_glyph_v_advance, nullptr, nullptr);
hb_font_funcs_set_glyph_v_origin_func (funcs, hb_ft_get_glyph_v_origin, nullptr, nullptr);
#endif
@ -1090,19 +1035,18 @@ static struct hb_ft_font_funcs_lazy_loader_t : hb_font_funcs_lazy_loader_t<hb_ft
#ifndef HB_NO_OT_SHAPE_FALLBACK
hb_font_funcs_set_glyph_h_kerning_func (funcs, hb_ft_get_glyph_h_kerning, nullptr, nullptr);
#endif
//hb_font_funcs_set_glyph_v_kerning_func (funcs, hb_ft_get_glyph_v_kerning, nullptr, nullptr);
hb_font_funcs_set_glyph_extents_func (funcs, hb_ft_get_glyph_extents, nullptr, nullptr);
hb_font_funcs_set_glyph_contour_point_func (funcs, hb_ft_get_glyph_contour_point, nullptr, nullptr);
hb_font_funcs_set_glyph_name_func (funcs, hb_ft_get_glyph_name, nullptr, nullptr);
hb_font_funcs_set_glyph_from_name_func (funcs, hb_ft_get_glyph_from_name, nullptr, nullptr);
#ifndef HB_NO_DRAW
hb_font_funcs_set_draw_glyph_func (funcs, hb_ft_draw_glyph, nullptr, nullptr);
hb_font_funcs_set_draw_glyph_or_fail_func (funcs, hb_ft_draw_glyph_or_fail, nullptr, nullptr);
#endif
#ifndef HB_NO_PAINT
#if (FREETYPE_MAJOR*10000 + FREETYPE_MINOR*100 + FREETYPE_PATCH) >= 21300
hb_font_funcs_set_paint_glyph_func (funcs, hb_ft_paint_glyph, nullptr, nullptr);
hb_font_funcs_set_paint_glyph_or_fail_func (funcs, hb_ft_paint_glyph_or_fail, nullptr, nullptr);
#endif
#endif
@ -1456,6 +1400,10 @@ hb_ft_font_changed (hb_font_t *font)
* variation-axis settings on the @font.
* This call is fast if nothing has changed on @font.
*
* Note that as of version 11.0.0, calling this function is not necessary,
* as HarfBuzz will automatically detect changes to the font and update
* the underlying FT_Face as needed.
*
* Return value: true if changed, false otherwise
*
* Since: 4.4.0
@ -1587,7 +1535,8 @@ destroy_ft_library (void *arg)
* font file and face index.
*
* This is similar in functionality to hb_face_create_from_file_or_fail(),
* but uses the FreeType library for loading the font file.
* but uses the FreeType library for loading the font file. This can
* be useful, for example, to load WOFF and WOFF2 font data.
*
* Return value: (transfer full): The new face object, or `NULL` if
* no face is found at the specified index or the file cannot be read.
@ -1624,6 +1573,75 @@ hb_ft_face_create_from_file_or_fail (const char *file_name,
return face;
}
static hb_user_data_key_t ft_blob_key = {0};
static void
_destroy_blob (void *p)
{
hb_blob_destroy ((hb_blob_t *) p);
}
/**
* hb_ft_face_create_from_blob_or_fail:
* @blob: A blob
* @index: The index of the face within the blob
*
* Creates an #hb_face_t face object from the specified
* font blob and face index.
*
* This is similar in functionality to hb_face_create_from_blob_or_fail(),
* but uses the FreeType library for loading the font blob. This can
* be useful, for example, to load WOFF and WOFF2 font data.
*
* Return value: (transfer full): The new face object, or `NULL` if
* loading fails (eg. blob does not contain valid font data).
*
* Since: 11.0.0
*/
hb_face_t *
hb_ft_face_create_from_blob_or_fail (hb_blob_t *blob,
unsigned int index)
{
FT_Library ft_library = reference_ft_library ();
if (unlikely (!ft_library))
{
DEBUG_MSG (FT, ft_library, "reference_ft_library failed");
return nullptr;
}
hb_blob_make_immutable (blob);
unsigned blob_size;
const char *blob_data = hb_blob_get_data (blob, &blob_size);
FT_Face ft_face;
if (unlikely (FT_New_Memory_Face (ft_library,
(const FT_Byte *) blob_data,
blob_size,
index,
&ft_face)))
return nullptr;
hb_face_t *face = hb_ft_face_create_referenced (ft_face);
FT_Done_Face (ft_face);
ft_face->generic.data = ft_library;
ft_face->generic.finalizer = finalize_ft_library;
if (hb_face_is_immutable (face))
return nullptr;
// Hook the blob to the hb_face_t, since FT_Face still needs it.
hb_blob_reference (blob);
if (!hb_face_set_user_data (face, &ft_blob_key, blob, _destroy_blob, true))
{
hb_blob_destroy (blob);
hb_face_destroy (face);
return nullptr;
}
return face;
}
static void
_release_blob (void *arg)
{

4
thirdparty/harfbuzz/src/hb-ft.h vendored
View file

@ -88,6 +88,10 @@ HB_EXTERN hb_face_t *
hb_ft_face_create_from_file_or_fail (const char *file_name,
unsigned int index);
HB_EXTERN hb_face_t *
hb_ft_face_create_from_blob_or_fail (hb_blob_t *blob,
unsigned int index);
/*
* hb-font from ft-face.
*/

30
thirdparty/harfbuzz/src/hb-geometry.hh vendored
View file

@ -30,6 +30,11 @@
struct hb_extents_t
{
hb_extents_t () {}
hb_extents_t (const hb_glyph_extents_t &extents) :
xmin (hb_min (extents.x_bearing, extents.x_bearing + extents.width)),
ymin (hb_min (extents.y_bearing, extents.y_bearing + extents.height)),
xmax (hb_max (extents.x_bearing, extents.x_bearing + extents.width)),
ymax (hb_max (extents.y_bearing, extents.y_bearing + extents.height)) {}
hb_extents_t (float xmin, float ymin, float xmax, float ymax) :
xmin (xmin), ymin (ymin), xmax (xmax), ymax (ymax) {}
@ -38,6 +43,12 @@ struct hb_extents_t
void union_ (const hb_extents_t &o)
{
if (o.is_empty ()) return;
if (is_empty ())
{
*this = o;
return;
}
xmin = hb_min (xmin, o.xmin);
ymin = hb_min (ymin, o.ymin);
xmax = hb_max (xmax, o.xmax);
@ -46,6 +57,11 @@ struct hb_extents_t
void intersect (const hb_extents_t &o)
{
if (o.is_empty () || is_empty ())
{
*this = hb_extents_t {};
return;
}
xmin = hb_max (xmin, o.xmin);
ymin = hb_max (ymin, o.ymin);
xmax = hb_min (xmax, o.xmax);
@ -69,6 +85,18 @@ struct hb_extents_t
}
}
hb_glyph_extents_t to_glyph_extents (bool xneg = false, bool yneg = false) const
{
hb_position_t x0 = (hb_position_t) roundf (xmin);
hb_position_t y0 = (hb_position_t) roundf (ymin);
hb_position_t x1 = (hb_position_t) roundf (xmax);
hb_position_t y1 = (hb_position_t) roundf (ymax);
return hb_glyph_extents_t {xneg ? x1 : x0,
yneg ? y0 : y1,
xneg ? x0 - x1 : x1 - x0,
yneg ? y1 - y0 : y0 - y1};
}
float xmin = 0.f;
float ymin = 0.f;
float xmax = -1.f;
@ -218,7 +246,7 @@ struct hb_bounds_t
EMPTY,
};
hb_bounds_t (status_t status) : status (status) {}
hb_bounds_t (status_t status = UNBOUNDED) : status (status) {}
hb_bounds_t (const hb_extents_t &extents) :
status (extents.is_empty () ? EMPTY : BOUNDED), extents (extents) {}

2
thirdparty/harfbuzz/src/hb-graphite2.cc vendored
View file

@ -68,7 +68,7 @@ struct hb_graphite2_face_data_t
{
hb_face_t *face;
gr_face *grface;
hb_atomic_ptr_t<hb_graphite2_tablelist_t> tlist;
hb_atomic_t<hb_graphite2_tablelist_t *> tlist;
};
static const void *hb_graphite2_get_table (const void *data, unsigned int tag, size_t *len)

2
thirdparty/harfbuzz/src/hb-machinery.hh vendored
View file

@ -273,7 +273,7 @@ struct hb_lazy_loader_t : hb_data_wrapper_t<Data, WheresData>
private:
/* Must only have one pointer. */
hb_atomic_ptr_t<Stored *> instance;
mutable hb_atomic_t<Stored *> instance;
};
/* Specializations. */

6
thirdparty/harfbuzz/src/hb-mutex.hh vendored
View file

@ -99,6 +99,8 @@ struct hb_mutex_t
hb_mutex_t () { init (); }
~hb_mutex_t () { fini (); }
hb_mutex_t (const hb_mutex_t &) = delete;
hb_mutex_t &operator= (const hb_mutex_t &) = delete;
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wcast-align"
@ -114,6 +116,10 @@ struct hb_lock_t
hb_lock_t (hb_mutex_t &mutex_) : mutex (&mutex_) { mutex->lock (); }
hb_lock_t (hb_mutex_t *mutex_) : mutex (mutex_) { if (mutex) mutex->lock (); }
~hb_lock_t () { if (mutex) mutex->unlock (); }
hb_lock_t (const hb_lock_t &) = delete;
hb_lock_t &operator= (const hb_lock_t &) = delete;
private:
hb_mutex_t *mutex;
};

6
thirdparty/harfbuzz/src/hb-object.hh vendored
View file

@ -142,7 +142,7 @@ struct hb_lockable_set_t
struct hb_reference_count_t
{
mutable hb_atomic_int_t ref_count;
mutable hb_atomic_t<int> ref_count;
void init (int v = 1) { ref_count = v; }
int get_relaxed () const { return ref_count; }
@ -213,8 +213,8 @@ struct hb_user_data_array_t
struct hb_object_header_t
{
hb_reference_count_t ref_count;
mutable hb_atomic_int_t writable = 0;
hb_atomic_ptr_t<hb_user_data_array_t> user_data;
mutable hb_atomic_t<bool> writable = false;
hb_atomic_t<hb_user_data_array_t *> user_data;
bool is_inert () const { return !ref_count.get_relaxed (); }
};

14
thirdparty/harfbuzz/src/hb-open-type.hh vendored
View file

@ -1888,7 +1888,7 @@ struct TupleValues
bool ensure_run ()
{
if (likely (run_count > 0)) return true;
if (run_count > 0) return true;
if (unlikely (p >= end))
{
@ -1943,6 +1943,11 @@ struct TupleValues
unsigned count = hb_min (n - i, (unsigned) run_count);
switch (width)
{
case 0:
{
arrayZ += count;
break;
}
case 1:
{
const auto *pp = (const HBINT8 *) p;
@ -1958,6 +1963,8 @@ struct TupleValues
#endif
for (; j < count; j++)
*arrayZ++ += scaled ? *pp++ * scale : *pp++;
p = (const unsigned char *) pp;
}
break;
case 2:
@ -1975,6 +1982,8 @@ struct TupleValues
#endif
for (; j < count; j++)
*arrayZ++ += scaled ? *pp++ * scale : *pp++;
p = (const unsigned char *) pp;
}
break;
case 4:
@ -1982,10 +1991,11 @@ struct TupleValues
const auto *pp = (const HBINT32 *) p;
for (unsigned j = 0; j < count; j++)
*arrayZ++ += scaled ? *pp++ * scale : *pp++;
p = (const unsigned char *) pp;
}
break;
}
p += count * width;
run_count -= count;
i += count;
}

10
thirdparty/harfbuzz/src/hb-ot-cff1-table.hh vendored
View file

@ -1073,7 +1073,7 @@ struct cff1
this->blob = sc.reference_table<cff1> (face);
/* setup for run-time santization */
/* setup for run-time sanitization */
sc.init (this->blob);
sc.start_processing ();
@ -1176,7 +1176,8 @@ struct cff1
if (unlikely (!font_interp.interpret (*font))) goto fail;
PRIVDICTVAL *priv = &privateDicts[i];
const hb_ubytes_t privDictStr = StructAtOffsetOrNull<UnsizedByteStr> (cff, font->privateDictInfo.offset, sc, font->privateDictInfo.size).as_ubytes (font->privateDictInfo.size);
if (unlikely (privDictStr == (const unsigned char *) &Null (UnsizedByteStr))) goto fail;
if (unlikely (font->privateDictInfo.size &&
privDictStr == (const unsigned char *) &Null (UnsizedByteStr))) goto fail;
num_interp_env_t env2 (privDictStr);
dict_interpreter_t<PRIVOPSET, PRIVDICTVAL> priv_interp (env2);
priv->init ();
@ -1191,7 +1192,8 @@ struct cff1
PRIVDICTVAL *priv = &privateDicts[0];
const hb_ubytes_t privDictStr = StructAtOffsetOrNull<UnsizedByteStr> (cff, font->privateDictInfo.offset, sc, font->privateDictInfo.size).as_ubytes (font->privateDictInfo.size);
if (unlikely (privDictStr == (const unsigned char *) &Null (UnsizedByteStr))) goto fail;
if (font->privateDictInfo.size &&
unlikely (privDictStr == (const unsigned char *) &Null (UnsizedByteStr))) goto fail;
num_interp_env_t env (privDictStr);
dict_interpreter_t<PRIVOPSET, PRIVDICTVAL> priv_interp (env);
priv->init ();
@ -1483,7 +1485,7 @@ struct cff1
int cmp (const gname_t &a) const { return cmp (&a, this); }
};
mutable hb_atomic_ptr_t<hb_sorted_vector_t<gname_t>> glyph_names;
mutable hb_atomic_t<hb_sorted_vector_t<gname_t> *> glyph_names;
typedef accelerator_templ_t<cff1_private_dict_opset_t, cff1_private_dict_values_t> SUPER;
};

10
thirdparty/harfbuzz/src/hb-ot-cff2-table.cc vendored
View file

@ -102,6 +102,14 @@ struct cff2_cs_opset_extents_t : cff2_cs_opset_t<cff2_cs_opset_extents_t, cff2_e
bool OT::cff2::accelerator_t::get_extents (hb_font_t *font,
hb_codepoint_t glyph,
hb_glyph_extents_t *extents) const
{
return get_extents_at (font, glyph, extents, hb_array (font->coords, font->num_coords));
}
bool OT::cff2::accelerator_t::get_extents_at (hb_font_t *font,
hb_codepoint_t glyph,
hb_glyph_extents_t *extents,
hb_array_t<const int> coords) const
{
#ifdef HB_NO_OT_FONT_CFF
/* XXX Remove check when this code moves to .hh file. */
@ -112,7 +120,7 @@ bool OT::cff2::accelerator_t::get_extents (hb_font_t *font,
unsigned int fd = fdSelect->get_fd (glyph);
const hb_ubytes_t str = (*charStrings)[glyph];
cff2_cs_interp_env_t<number_t> env (str, *this, fd, font->coords, font->num_coords);
cff2_cs_interp_env_t<number_t> env (str, *this, fd, coords.arrayZ, coords.length);
cff2_cs_interpreter_t<cff2_cs_opset_extents_t, cff2_extents_param_t, number_t> interp (env);
cff2_extents_param_t param;
if (unlikely (!interp.interpret (param))) return false;

18
thirdparty/harfbuzz/src/hb-ot-cff2-table.hh vendored
View file

@ -405,7 +405,7 @@ struct cff2
this->blob = sc.reference_table<cff2> (face);
/* setup for run-time santization */
/* setup for run-time sanitization */
sc.init (this->blob);
sc.start_processing ();
@ -458,7 +458,8 @@ struct cff2
if (unlikely (!font_interp.interpret (*font))) goto fail;
const hb_ubytes_t privDictStr = StructAtOffsetOrNull<UnsizedByteStr> (cff2, font->privateDictInfo.offset, sc, font->privateDictInfo.size).as_ubytes (font->privateDictInfo.size);
if (unlikely (privDictStr == (const unsigned char *) &Null (UnsizedByteStr))) goto fail;
if (unlikely (font->privateDictInfo.size &&
privDictStr == (const unsigned char *) &Null (UnsizedByteStr))) goto fail;
cff2_priv_dict_interp_env_t env2 (privDictStr);
dict_interpreter_t<PRIVOPSET, PRIVDICTVAL, cff2_priv_dict_interp_env_t> priv_interp (env2);
privateDicts[i].init ();
@ -481,6 +482,13 @@ struct cff2
privateDicts.fini ();
hb_blob_destroy (blob);
blob = nullptr;
auto *scalars = cached_scalars_vector.get_acquire ();
if (scalars && cached_scalars_vector.cmpexch (scalars, nullptr))
{
scalars->fini ();
hb_free (scalars);
}
}
hb_vector_t<uint16_t> *create_glyph_to_sid_map () const
@ -508,6 +516,8 @@ struct cff2
hb_vector_t<cff2_font_dict_values_t> fontDicts;
hb_vector_t<PRIVDICTVAL> privateDicts;
mutable hb_atomic_t<hb_vector_t<float> *> cached_scalars_vector;
unsigned int num_glyphs = 0;
};
@ -518,6 +528,10 @@ struct cff2
HB_INTERNAL bool get_extents (hb_font_t *font,
hb_codepoint_t glyph,
hb_glyph_extents_t *extents) const;
HB_INTERNAL bool get_extents_at (hb_font_t *font,
hb_codepoint_t glyph,
hb_glyph_extents_t *extents,
hb_array_t<const int> coords) const;
HB_INTERNAL bool get_path (hb_font_t *font, hb_codepoint_t glyph, hb_draw_session_t &draw_session) const;
HB_INTERNAL bool get_path_at (hb_font_t *font, hb_codepoint_t glyph, hb_draw_session_t &draw_session, hb_array_t<const int> coords) const;
};

83
thirdparty/harfbuzz/src/hb-ot-cmap-table.hh vendored
View file

@ -2014,7 +2014,8 @@ struct cmap
struct accelerator_t
{
using cache_t = hb_cache_t<21, 16, 8, true>;
using cache_t = hb_cache_t<21, 19>;
static_assert (sizeof (cache_t) == 1024, "");
accelerator_t (hb_face_t *face)
{
@ -2028,6 +2029,14 @@ struct cmap
subtable_uvs = &st->u.format14;
}
#ifndef HB_NO_OT_FONT_CMAP_CACHE
cache = (cache_t *) hb_malloc (sizeof (cache_t));
if (cache)
new (cache) cache_t ();
else
return; // Such that get_glyph_funcZ remains null.
#endif
this->get_glyph_data = subtable;
#ifndef HB_NO_CMAP_LEGACY_SUBTABLES
if (unlikely (symbol))
@ -2061,62 +2070,71 @@ struct cmap
#endif
{
switch (subtable->u.format) {
/* Accelerate format 4 and format 12. */
default:
this->get_glyph_funcZ = get_glyph_from<CmapSubtable>;
break;
case 12:
this->get_glyph_funcZ = get_glyph_from<CmapSubtableFormat12>;
break;
case 4:
{
this->format4_accel.init (&subtable->u.format4);
this->get_glyph_data = &this->format4_accel;
this->get_glyph_funcZ = this->format4_accel.get_glyph_func;
break;
}
/* Accelerate format 4 and format 12. */
default:
this->get_glyph_funcZ = get_glyph_from<CmapSubtable>;
break;
case 12:
this->get_glyph_funcZ = get_glyph_from<CmapSubtableFormat12>;
break;
case 4:
{
this->format4_accel.init (&subtable->u.format4);
this->get_glyph_data = &this->format4_accel;
this->get_glyph_funcZ = this->format4_accel.get_glyph_func;
break;
}
}
}
}
~accelerator_t () { this->table.destroy (); }
~accelerator_t ()
{
#ifndef HB_NO_OT_FONT_CMAP_CACHE
hb_free (cache);
#endif
table.destroy ();
}
inline bool _cached_get (hb_codepoint_t unicode,
hb_codepoint_t *glyph,
cache_t *cache) const
hb_codepoint_t *glyph) const
{
#ifndef HB_NO_OT_FONT_CMAP_CACHE
// cache is always non-null if we have a get_glyph_funcZ
unsigned v;
if (cache && cache->get (unicode, &v))
if (cache->get (unicode, &v))
{
*glyph = v;
return true;
}
#endif
bool ret = this->get_glyph_funcZ (this->get_glyph_data, unicode, glyph);
if (cache && ret)
#ifndef HB_NO_OT_FONT_CMAP_CACHE
if (ret)
cache->set (unicode, *glyph);
#endif
return ret;
}
bool get_nominal_glyph (hb_codepoint_t unicode,
hb_codepoint_t *glyph,
cache_t *cache = nullptr) const
hb_codepoint_t *glyph) const
{
if (unlikely (!this->get_glyph_funcZ)) return false;
return _cached_get (unicode, glyph, cache);
return _cached_get (unicode, glyph);
}
unsigned int get_nominal_glyphs (unsigned int count,
const hb_codepoint_t *first_unicode,
unsigned int unicode_stride,
hb_codepoint_t *first_glyph,
unsigned int glyph_stride,
cache_t *cache = nullptr) const
unsigned int glyph_stride) const
{
if (unlikely (!this->get_glyph_funcZ)) return 0;
unsigned int done;
for (done = 0;
done < count && _cached_get (*first_unicode, first_glyph, cache);
done < count && _cached_get (*first_unicode, first_glyph);
done++)
{
first_unicode = &StructAtOffsetUnaligned<hb_codepoint_t> (first_unicode, unicode_stride);
@ -2127,8 +2145,7 @@ struct cmap
bool get_variation_glyph (hb_codepoint_t unicode,
hb_codepoint_t variation_selector,
hb_codepoint_t *glyph,
cache_t *cache = nullptr) const
hb_codepoint_t *glyph) const
{
switch (this->subtable_uvs->get_glyph_variant (unicode,
variation_selector,
@ -2139,7 +2156,7 @@ struct cmap
case GLYPH_VARIANT_USE_DEFAULT: break;
}
return get_nominal_glyph (unicode, glyph, cache);
return get_nominal_glyph (unicode, glyph);
}
void collect_unicodes (hb_set_t *out, unsigned int num_glyphs) const
@ -2209,11 +2226,15 @@ struct cmap
hb_nonnull_ptr_t<const CmapSubtable> subtable;
hb_nonnull_ptr_t<const CmapSubtableFormat14> subtable_uvs;
hb_cmap_get_glyph_func_t get_glyph_funcZ;
const void *get_glyph_data;
hb_cmap_get_glyph_func_t get_glyph_funcZ = nullptr;
const void *get_glyph_data = nullptr;
CmapSubtableFormat4::accelerator_t format4_accel;
#ifndef HB_NO_OT_FONT_CMAP_CACHE
cache_t *cache = nullptr;
#endif
public:
hb_blob_ptr_t<cmap> table;
};

8
thirdparty/harfbuzz/src/hb-ot-color.cc vendored
View file

@ -204,7 +204,7 @@ hb_ot_color_palette_get_colors (hb_face_t *face,
hb_bool_t
hb_ot_color_has_layers (hb_face_t *face)
{
return face->table.COLR->has_v0_data ();
return face->table.COLR->colr->has_v0_data ();
}
/**
@ -221,7 +221,7 @@ hb_ot_color_has_layers (hb_face_t *face)
hb_bool_t
hb_ot_color_has_paint (hb_face_t *face)
{
return face->table.COLR->has_v1_data ();
return face->table.COLR->colr->has_v1_data ();
}
/**
@ -240,7 +240,7 @@ hb_bool_t
hb_ot_color_glyph_has_paint (hb_face_t *face,
hb_codepoint_t glyph)
{
return face->table.COLR->has_paint_for_glyph (glyph);
return face->table.COLR->colr->has_paint_for_glyph (glyph);
}
/**
@ -266,7 +266,7 @@ hb_ot_color_glyph_get_layers (hb_face_t *face,
unsigned int *layer_count, /* IN/OUT. May be NULL. */
hb_ot_color_layer_t *layers /* OUT. May be NULL. */)
{
return face->table.COLR->get_glyph_layers (glyph, start_offset, layer_count, layers);
return face->table.COLR->colr->get_glyph_layers (glyph, start_offset, layer_count, layers);
}

2
thirdparty/harfbuzz/src/hb-ot-face-table-list.hh vendored
View file

@ -136,7 +136,7 @@ HB_OT_TABLE (AAT, feat)
/* OpenType color fonts. */
#ifndef HB_NO_COLOR
HB_OT_CORE_TABLE (OT, COLR)
HB_OT_ACCELERATOR (OT, COLR)
HB_OT_CORE_TABLE (OT, CPAL)
HB_OT_ACCELERATOR (OT, CBDT)
HB_OT_ACCELERATOR (OT, sbix)

1
thirdparty/harfbuzz/src/hb-ot-face.cc vendored
View file

@ -36,6 +36,7 @@
#include "hb-ot-name-table.hh"
#include "hb-ot-post-table.hh"
#include "OT/Color/CBDT/CBDT.hh"
#include "OT/Color/COLR/COLR.hh"
#include "OT/Color/sbix/sbix.hh"
#include "OT/Color/svg/svg.hh"
#include "hb-ot-layout-gdef-table.hh"

399
thirdparty/harfbuzz/src/hb-ot-font.cc vendored
View file

@ -34,11 +34,7 @@
#include "hb-font.hh"
#include "hb-machinery.hh"
#include "hb-ot-face.hh"
#include "hb-outline.hh"
#ifndef HB_NO_AAT
#include "hb-aat-layout-trak-table.hh"
#endif
#include "hb-ot-cmap-table.hh"
#include "hb-ot-glyf-table.hh"
#include "hb-ot-cff2-table.hh"
@ -65,28 +61,111 @@
* never need to call these functions directly.
**/
using hb_ot_font_cmap_cache_t = hb_cache_t<21, 16, 8, true>;
using hb_ot_font_advance_cache_t = hb_cache_t<24, 16, 8, true>;
#ifndef HB_NO_OT_FONT_CMAP_CACHE
static hb_user_data_key_t hb_ot_font_cmap_cache_user_data_key;
#endif
using hb_ot_font_advance_cache_t = hb_cache_t<24, 16>;
static_assert (sizeof (hb_ot_font_advance_cache_t) == 1024, "");
struct hb_ot_font_t
{
const hb_ot_face_t *ot_face;
#ifndef HB_NO_AAT
bool apply_trak;
#endif
#ifndef HB_NO_OT_FONT_CMAP_CACHE
hb_ot_font_cmap_cache_t *cmap_cache;
#endif
/* h_advance caching */
mutable hb_atomic_int_t cached_coords_serial;
mutable hb_atomic_ptr_t<hb_ot_font_advance_cache_t> advance_cache;
mutable hb_atomic_t<int> cached_coords_serial;
struct advance_cache_t
{
mutable hb_atomic_t<hb_ot_font_advance_cache_t *> advance_cache;
mutable hb_atomic_t<OT::ItemVariationStore::cache_t *> varStore_cache;
~advance_cache_t ()
{
clear ();
}
hb_ot_font_advance_cache_t *acquire_advance_cache () const
{
retry:
auto *cache = advance_cache.get_acquire ();
if (!cache)
{
cache = (hb_ot_font_advance_cache_t *) hb_malloc (sizeof (hb_ot_font_advance_cache_t));
if (!cache)
return nullptr;
new (cache) hb_ot_font_advance_cache_t;
return cache;
}
if (advance_cache.cmpexch (cache, nullptr))
return cache;
else
goto retry;
}
void release_advance_cache (hb_ot_font_advance_cache_t *cache) const
{
if (!cache)
return;
if (!advance_cache.cmpexch (nullptr, cache))
hb_free (cache);
}
void clear_advance_cache () const
{
retry:
auto *cache = advance_cache.get_acquire ();
if (!cache)
return;
if (advance_cache.cmpexch (cache, nullptr))
hb_free (cache);
else
goto retry;
}
OT::ItemVariationStore::cache_t *acquire_varStore_cache (const OT::ItemVariationStore &varStore) const
{
retry:
auto *cache = varStore_cache.get_acquire ();
if (!cache)
return varStore.create_cache ();
if (varStore_cache.cmpexch (cache, nullptr))
return cache;
else
goto retry;
}
void release_varStore_cache (OT::ItemVariationStore::cache_t *cache) const
{
if (!cache)
return;
if (!varStore_cache.cmpexch (nullptr, cache))
OT::ItemVariationStore::destroy_cache (cache);
}
void clear_varStore_cache () const
{
retry:
auto *cache = varStore_cache.get_acquire ();
if (!cache)
return;
if (varStore_cache.cmpexch (cache, nullptr))
OT::ItemVariationStore::destroy_cache (cache);
else
goto retry;
}
void clear () const
{
clear_advance_cache ();
clear_varStore_cache ();
}
} h, v;
void check_serial (hb_font_t *font) const
{
int font_serial = font->serial_coords.get_acquire ();
if (cached_coords_serial.get_acquire () == font_serial)
return;
h.clear ();
v.clear ();
cached_coords_serial.set_release (font_serial);
}
};
static hb_ot_font_t *
@ -98,44 +177,6 @@ _hb_ot_font_create (hb_font_t *font)
ot_font->ot_face = &font->face->table;
#ifndef HB_NO_AAT
/* According to Ned, trak is applied by default for "modern fonts", as detected by presence of STAT table. */
#ifndef HB_NO_STYLE
ot_font->apply_trak = font->face->table.STAT->has_data () && font->face->table.trak->has_data ();
#else
ot_font->apply_trak = false;
#endif
#endif
#ifndef HB_NO_OT_FONT_CMAP_CACHE
// retry:
auto *cmap_cache = (hb_ot_font_cmap_cache_t *) hb_face_get_user_data (font->face,
&hb_ot_font_cmap_cache_user_data_key);
if (!cmap_cache)
{
cmap_cache = (hb_ot_font_cmap_cache_t *) hb_malloc (sizeof (hb_ot_font_cmap_cache_t));
if (unlikely (!cmap_cache)) goto out;
new (cmap_cache) hb_ot_font_cmap_cache_t ();
if (unlikely (!hb_face_set_user_data (font->face,
&hb_ot_font_cmap_cache_user_data_key,
cmap_cache,
hb_free,
false)))
{
hb_free (cmap_cache);
cmap_cache = nullptr;
/* Normally we would retry here, but that would
* infinite-loop if the face is the empty-face.
* Just let it go and this font will be uncached if it
* happened to collide with another thread creating the
* cache at the same time. */
// goto retry;
}
}
out:
ot_font->cmap_cache = cmap_cache;
#endif
return ot_font;
}
@ -144,8 +185,7 @@ _hb_ot_font_destroy (void *font_data)
{
hb_ot_font_t *ot_font = (hb_ot_font_t *) font_data;
auto *cache = ot_font->advance_cache.get_relaxed ();
hb_free (cache);
ot_font->~hb_ot_font_t ();
hb_free (ot_font);
}
@ -159,11 +199,7 @@ hb_ot_get_nominal_glyph (hb_font_t *font HB_UNUSED,
{
const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
const hb_ot_face_t *ot_face = ot_font->ot_face;
hb_ot_font_cmap_cache_t *cmap_cache = nullptr;
#ifndef HB_NO_OT_FONT_CMAP_CACHE
cmap_cache = ot_font->cmap_cache;
#endif
return ot_face->cmap->get_nominal_glyph (unicode, glyph, cmap_cache);
return ot_face->cmap->get_nominal_glyph (unicode, glyph);
}
static unsigned int
@ -178,14 +214,9 @@ hb_ot_get_nominal_glyphs (hb_font_t *font HB_UNUSED,
{
const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
const hb_ot_face_t *ot_face = ot_font->ot_face;
hb_ot_font_cmap_cache_t *cmap_cache = nullptr;
#ifndef HB_NO_OT_FONT_CMAP_CACHE
cmap_cache = ot_font->cmap_cache;
#endif
return ot_face->cmap->get_nominal_glyphs (count,
first_unicode, unicode_stride,
first_glyph, glyph_stride,
cmap_cache);
first_glyph, glyph_stride);
}
static hb_bool_t
@ -198,13 +229,8 @@ hb_ot_get_variation_glyph (hb_font_t *font HB_UNUSED,
{
const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
const hb_ot_face_t *ot_face = ot_font->ot_face;
hb_ot_font_cmap_cache_t *cmap_cache = nullptr;
#ifndef HB_NO_OT_FONT_CMAP_CACHE
cmap_cache = ot_font->cmap_cache;
#endif
return ot_face->cmap->get_variation_glyph (unicode,
variation_selector, glyph,
cmap_cache);
variation_selector, glyph);
}
static void
@ -216,47 +242,25 @@ hb_ot_get_glyph_h_advances (hb_font_t* font, void* font_data,
unsigned advance_stride,
void *user_data HB_UNUSED)
{
const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
const hb_ot_face_t *ot_face = ot_font->ot_face;
const OT::hmtx_accelerator_t &hmtx = *ot_face->hmtx;
hb_position_t *orig_first_advance = first_advance;
#if !defined(HB_NO_VAR) && !defined(HB_NO_OT_FONT_ADVANCE_CACHE)
ot_font->check_serial (font);
const OT::HVAR &HVAR = *hmtx.var_table;
const OT::ItemVariationStore &varStore = &HVAR + HVAR.varStore;
OT::ItemVariationStore::cache_t *varStore_cache = font->num_coords * count >= 128 ? varStore.create_cache () : nullptr;
OT::ItemVariationStore::cache_t *varStore_cache = ot_font->h.acquire_varStore_cache (varStore);
hb_ot_font_advance_cache_t *advance_cache = nullptr;
bool use_cache = font->num_coords;
#else
OT::ItemVariationStore::cache_t *varStore_cache = nullptr;
bool use_cache = false;
#endif
hb_ot_font_advance_cache_t *cache = nullptr;
if (use_cache)
{
retry:
cache = ot_font->advance_cache.get_acquire ();
if (unlikely (!cache))
{
cache = (hb_ot_font_advance_cache_t *) hb_malloc (sizeof (hb_ot_font_advance_cache_t));
if (unlikely (!cache))
{
use_cache = false;
goto out;
}
new (cache) hb_ot_font_advance_cache_t;
if (unlikely (!ot_font->advance_cache.cmpexch (nullptr, cache)))
{
hb_free (cache);
goto retry;
}
ot_font->cached_coords_serial.set_release (font->serial_coords);
}
advance_cache = ot_font->h.acquire_advance_cache ();
if (!advance_cache)
use_cache = false;
}
out:
if (!use_cache)
{
@ -269,58 +273,26 @@ hb_ot_get_glyph_h_advances (hb_font_t* font, void* font_data,
}
else
{ /* Use cache. */
if (ot_font->cached_coords_serial.get_acquire () != (int) font->serial_coords)
{
ot_font->advance_cache->clear ();
ot_font->cached_coords_serial.set_release (font->serial_coords);
}
for (unsigned int i = 0; i < count; i++)
{
hb_position_t v;
unsigned cv;
if (ot_font->advance_cache->get (*first_glyph, &cv))
if (advance_cache->get (*first_glyph, &cv))
v = cv;
else
{
v = hmtx.get_advance_with_var_unscaled (*first_glyph, font, varStore_cache);
ot_font->advance_cache->set (*first_glyph, v);
advance_cache->set (*first_glyph, v);
}
*first_advance = font->em_scale_x (v);
first_glyph = &StructAtOffsetUnaligned<hb_codepoint_t> (first_glyph, glyph_stride);
first_advance = &StructAtOffsetUnaligned<hb_position_t> (first_advance, advance_stride);
}
ot_font->h.release_advance_cache (advance_cache);
}
#if !defined(HB_NO_VAR) && !defined(HB_NO_OT_FONT_ADVANCE_CACHE)
OT::ItemVariationStore::destroy_cache (varStore_cache);
#endif
if (font->x_strength && !font->embolden_in_place)
{
/* Emboldening. */
hb_position_t x_strength = font->x_scale >= 0 ? font->x_strength : -font->x_strength;
first_advance = orig_first_advance;
for (unsigned int i = 0; i < count; i++)
{
*first_advance += *first_advance ? x_strength : 0;
first_advance = &StructAtOffsetUnaligned<hb_position_t> (first_advance, advance_stride);
}
}
#ifndef HB_NO_AAT
if (ot_font->apply_trak)
{
hb_position_t tracking = font->face->table.trak->get_h_tracking (font);
first_advance = orig_first_advance;
for (unsigned int i = 0; i < count; i++)
{
*first_advance += tracking;
first_glyph = &StructAtOffsetUnaligned<hb_codepoint_t> (first_glyph, glyph_stride);
first_advance = &StructAtOffsetUnaligned<hb_position_t> (first_advance, advance_stride);
}
}
#endif
ot_font->h.release_varStore_cache (varStore_cache);
}
#ifndef HB_NO_VERTICAL
@ -337,17 +309,13 @@ hb_ot_get_glyph_v_advances (hb_font_t* font, void* font_data,
const hb_ot_face_t *ot_face = ot_font->ot_face;
const OT::vmtx_accelerator_t &vmtx = *ot_face->vmtx;
hb_position_t *orig_first_advance = first_advance;
if (vmtx.has_data ())
{
#if !defined(HB_NO_VAR) && !defined(HB_NO_OT_FONT_ADVANCE_CACHE)
ot_font->check_serial (font);
const OT::VVAR &VVAR = *vmtx.var_table;
const OT::ItemVariationStore &varStore = &VVAR + VVAR.varStore;
OT::ItemVariationStore::cache_t *varStore_cache = font->num_coords ? varStore.create_cache () : nullptr;
#else
OT::ItemVariationStore::cache_t *varStore_cache = nullptr;
#endif
OT::ItemVariationStore::cache_t *varStore_cache = ot_font->v.acquire_varStore_cache (varStore);
// TODO Use advance_cache.
for (unsigned int i = 0; i < count; i++)
{
@ -356,9 +324,7 @@ hb_ot_get_glyph_v_advances (hb_font_t* font, void* font_data,
first_advance = &StructAtOffsetUnaligned<hb_position_t> (first_advance, advance_stride);
}
#if !defined(HB_NO_VAR) && !defined(HB_NO_OT_FONT_ADVANCE_CACHE)
OT::ItemVariationStore::destroy_cache (varStore_cache);
#endif
ot_font->v.release_varStore_cache (varStore_cache);
}
else
{
@ -373,32 +339,6 @@ hb_ot_get_glyph_v_advances (hb_font_t* font, void* font_data,
first_advance = &StructAtOffsetUnaligned<hb_position_t> (first_advance, advance_stride);
}
}
if (font->y_strength && !font->embolden_in_place)
{
/* Emboldening. */
hb_position_t y_strength = font->y_scale >= 0 ? font->y_strength : -font->y_strength;
first_advance = orig_first_advance;
for (unsigned int i = 0; i < count; i++)
{
*first_advance += *first_advance ? y_strength : 0;
first_advance = &StructAtOffsetUnaligned<hb_position_t> (first_advance, advance_stride);
}
}
#ifndef HB_NO_AAT
if (ot_font->apply_trak)
{
hb_position_t tracking = font->face->table.trak->get_v_tracking (font);
first_advance = orig_first_advance;
for (unsigned int i = 0; i < count; i++)
{
*first_advance += tracking;
first_glyph = &StructAtOffsetUnaligned<hb_codepoint_t> (first_glyph, glyph_stride);
first_advance = &StructAtOffsetUnaligned<hb_position_t> (first_advance, advance_stride);
}
}
#endif
}
#endif
@ -435,7 +375,8 @@ hb_ot_get_glyph_v_origin (hb_font_t *font,
}
hb_glyph_extents_t extents = {0};
if (ot_face->glyf->get_extents (font, glyph, &extents))
if (hb_font_get_glyph_extents (font, glyph, &extents))
{
const OT::vmtx_accelerator_t &vmtx = *ot_face->vmtx;
int tsb = 0;
@ -448,7 +389,7 @@ hb_ot_get_glyph_v_origin (hb_font_t *font,
hb_font_extents_t font_extents;
font->get_h_extents_with_fallback (&font_extents);
hb_position_t advance = font_extents.ascender - font_extents.descender;
int diff = advance - -extents.height;
hb_position_t diff = advance - -extents.height;
*y = extents.y_bearing + (diff >> 1);
return true;
}
@ -477,6 +418,9 @@ hb_ot_get_glyph_extents (hb_font_t *font,
#endif
#if !defined(HB_NO_COLOR) && !defined(HB_NO_PAINT)
if (ot_face->COLR->get_extents (font, glyph, extents)) return true;
#endif
#ifndef HB_NO_VAR_COMPOSITES
if (ot_face->VARC->get_extents (font, glyph, extents)) return true;
#endif
if (ot_face->glyf->get_extents (font, glyph, extents)) return true;
#ifndef HB_NO_OT_FONT_CFF
@ -528,16 +472,9 @@ hb_ot_get_font_h_extents (hb_font_t *font,
hb_font_extents_t *metrics,
void *user_data HB_UNUSED)
{
bool ret = _hb_ot_metrics_get_position_common (font, HB_OT_METRICS_TAG_HORIZONTAL_ASCENDER, &metrics->ascender) &&
_hb_ot_metrics_get_position_common (font, HB_OT_METRICS_TAG_HORIZONTAL_DESCENDER, &metrics->descender) &&
_hb_ot_metrics_get_position_common (font, HB_OT_METRICS_TAG_HORIZONTAL_LINE_GAP, &metrics->line_gap);
/* Embolden */
int y_shift = font->y_strength;
if (font->y_scale < 0) y_shift = -y_shift;
metrics->ascender += y_shift;
return ret;
return _hb_ot_metrics_get_position_common (font, HB_OT_METRICS_TAG_HORIZONTAL_ASCENDER, &metrics->ascender) &&
_hb_ot_metrics_get_position_common (font, HB_OT_METRICS_TAG_HORIZONTAL_DESCENDER, &metrics->descender) &&
_hb_ot_metrics_get_position_common (font, HB_OT_METRICS_TAG_HORIZONTAL_LINE_GAP, &metrics->line_gap);
}
#ifndef HB_NO_VERTICAL
@ -554,68 +491,46 @@ hb_ot_get_font_v_extents (hb_font_t *font,
#endif
#ifndef HB_NO_DRAW
static void
hb_ot_draw_glyph (hb_font_t *font,
void *font_data HB_UNUSED,
hb_codepoint_t glyph,
hb_draw_funcs_t *draw_funcs, void *draw_data,
void *user_data)
static hb_bool_t
hb_ot_draw_glyph_or_fail (hb_font_t *font,
void *font_data HB_UNUSED,
hb_codepoint_t glyph,
hb_draw_funcs_t *draw_funcs, void *draw_data,
void *user_data)
{
bool embolden = font->x_strength || font->y_strength;
hb_outline_t outline;
{ // Need draw_session to be destructed before emboldening.
hb_draw_session_t draw_session (embolden ? hb_outline_recording_pen_get_funcs () : draw_funcs,
embolden ? &outline : draw_data, font->slant_xy);
hb_draw_session_t draw_session {draw_funcs, draw_data};
#ifndef HB_NO_VAR_COMPOSITES
if (!font->face->table.VARC->get_path (font, glyph, draw_session))
if (font->face->table.VARC->get_path (font, glyph, draw_session)) return true;
#endif
// Keep the following in synch with VARC::get_path_at()
if (!font->face->table.glyf->get_path (font, glyph, draw_session))
// Keep the following in synch with VARC::get_path_at()
if (font->face->table.glyf->get_path (font, glyph, draw_session)) return true;
#ifndef HB_NO_CFF
if (!font->face->table.cff2->get_path (font, glyph, draw_session))
if (!font->face->table.cff1->get_path (font, glyph, draw_session))
if (font->face->table.cff2->get_path (font, glyph, draw_session)) return true;
if (font->face->table.cff1->get_path (font, glyph, draw_session)) return true;
#endif
{}
}
if (embolden)
{
float x_shift = font->embolden_in_place ? 0 : (float) font->x_strength / 2;
float y_shift = (float) font->y_strength / 2;
if (font->x_scale < 0) x_shift = -x_shift;
if (font->y_scale < 0) y_shift = -y_shift;
outline.embolden (font->x_strength, font->y_strength,
x_shift, y_shift);
outline.replay (draw_funcs, draw_data);
}
return false;
}
#endif
#ifndef HB_NO_PAINT
static void
hb_ot_paint_glyph (hb_font_t *font,
void *font_data,
hb_codepoint_t glyph,
hb_paint_funcs_t *paint_funcs, void *paint_data,
unsigned int palette,
hb_color_t foreground,
void *user_data)
static hb_bool_t
hb_ot_paint_glyph_or_fail (hb_font_t *font,
void *font_data,
hb_codepoint_t glyph,
hb_paint_funcs_t *paint_funcs, void *paint_data,
unsigned int palette,
hb_color_t foreground,
void *user_data)
{
#ifndef HB_NO_COLOR
if (font->face->table.COLR->paint_glyph (font, glyph, paint_funcs, paint_data, palette, foreground)) return;
if (font->face->table.SVG->paint_glyph (font, glyph, paint_funcs, paint_data)) return;
if (font->face->table.COLR->paint_glyph (font, glyph, paint_funcs, paint_data, palette, foreground)) return true;
if (font->face->table.SVG->paint_glyph (font, glyph, paint_funcs, paint_data)) return true;
#ifndef HB_NO_OT_FONT_BITMAP
if (font->face->table.CBDT->paint_glyph (font, glyph, paint_funcs, paint_data)) return;
if (font->face->table.sbix->paint_glyph (font, glyph, paint_funcs, paint_data)) return;
if (font->face->table.CBDT->paint_glyph (font, glyph, paint_funcs, paint_data)) return true;
if (font->face->table.sbix->paint_glyph (font, glyph, paint_funcs, paint_data)) return true;
#endif
#endif
// Outline glyph
paint_funcs->push_clip_glyph (paint_data, glyph, font);
paint_funcs->color (paint_data, true, foreground);
paint_funcs->pop_clip (paint_data);
return false;
}
#endif
@ -642,11 +557,11 @@ static struct hb_ot_font_funcs_lazy_loader_t : hb_font_funcs_lazy_loader_t<hb_ot
#endif
#ifndef HB_NO_DRAW
hb_font_funcs_set_draw_glyph_func (funcs, hb_ot_draw_glyph, nullptr, nullptr);
hb_font_funcs_set_draw_glyph_or_fail_func (funcs, hb_ot_draw_glyph_or_fail, nullptr, nullptr);
#endif
#ifndef HB_NO_PAINT
hb_font_funcs_set_paint_glyph_func (funcs, hb_ot_paint_glyph, nullptr, nullptr);
hb_font_funcs_set_paint_glyph_or_fail_func (funcs, hb_ot_paint_glyph_or_fail, nullptr, nullptr);
#endif
hb_font_funcs_set_glyph_extents_func (funcs, hb_ot_get_glyph_extents, nullptr, nullptr);

8
thirdparty/harfbuzz/src/hb-ot-hmtx-table.hh vendored
View file

@ -359,7 +359,13 @@ struct hmtxvmtx
return true;
}
return _glyf_get_leading_bearing_with_var_unscaled (font, glyph, T::tableTag == HB_OT_TAG_vmtx, lsb);
// If there's no vmtx data, the phantom points from glyf table are not accurate,
// so we cannot take the next path.
bool is_vertical = T::tableTag == HB_OT_TAG_vmtx;
if (is_vertical && !has_data ())
return false;
return _glyf_get_leading_bearing_with_var_unscaled (font, glyph, is_vertical, lsb);
#else
return false;
#endif

2
thirdparty/harfbuzz/src/hb-ot-kern-table.hh vendored
View file

@ -27,6 +27,7 @@
#ifndef HB_OT_KERN_TABLE_HH
#define HB_OT_KERN_TABLE_HH
#include "hb-aat-layout-common.hh"
#include "hb-aat-layout-kerx-table.hh"
@ -400,6 +401,7 @@ struct kern
hb_blob_ptr_t<kern> table;
AAT::kern_accelerator_data_t accel_data;
AAT::hb_aat_scratch_t scratch;
};
protected:

2
thirdparty/harfbuzz/src/hb-ot-layout-base-table.hh vendored
View file

@ -182,7 +182,7 @@ struct BaseCoord
void collect_variation_indices (hb_set_t& varidx_set /* OUT */) const
{
switch (u.format) {
case 3: hb_barrier (); u.format3.collect_variation_indices (varidx_set);
case 3: hb_barrier (); u.format3.collect_variation_indices (varidx_set); return;
default:return;
}
}

55
thirdparty/harfbuzz/src/hb-ot-layout-common.hh vendored
View file

@ -1850,7 +1850,7 @@ struct ClassDefFormat2_4
hb_sorted_vector_t<hb_codepoint_pair_t> glyph_and_klass;
hb_set_t orig_klasses;
if (glyph_set.get_population () * hb_bit_storage ((unsigned) rangeRecord.len) / 2
if (glyph_set.get_population () * hb_bit_storage ((unsigned) rangeRecord.len)
< get_population ())
{
for (hb_codepoint_t g : glyph_set)
@ -1931,7 +1931,7 @@ struct ClassDefFormat2_4
bool intersects (const hb_set_t *glyphs) const
{
if (rangeRecord.len > glyphs->get_population () * hb_bit_storage ((unsigned) rangeRecord.len) / 2)
if (rangeRecord.len > glyphs->get_population () * hb_bit_storage ((unsigned) rangeRecord.len))
{
for (auto g : *glyphs)
if (get_class (g))
@ -2000,7 +2000,7 @@ struct ClassDefFormat2_4
}
unsigned count = rangeRecord.len;
if (count > glyphs->get_population () * hb_bit_storage (count) * 8)
if (count > glyphs->get_population () * hb_bit_storage (count))
{
for (auto g : *glyphs)
{
@ -2548,11 +2548,13 @@ struct SparseVarRegionAxis
DEFINE_SIZE_STATIC (8);
};
#define REGION_CACHE_ITEM_CACHE_INVALID 2.f
#define REGION_CACHE_ITEM_CACHE_INVALID INT_MIN
#define REGION_CACHE_ITEM_MULTIPLIER (float (1 << ((sizeof (int) * 8) - 2)))
#define REGION_CACHE_ITEM_DIVISOR (1.f / float (1 << ((sizeof (int) * 8) - 2)))
struct VarRegionList
{
using cache_t = float;
using cache_t = hb_atomic_t<int>;
float evaluate (unsigned int region_index,
const int *coords, unsigned int coord_len,
@ -2561,12 +2563,12 @@ struct VarRegionList
if (unlikely (region_index >= regionCount))
return 0.;
float *cached_value = nullptr;
cache_t *cached_value = nullptr;
if (cache)
{
cached_value = &(cache[region_index]);
if (likely (*cached_value != REGION_CACHE_ITEM_CACHE_INVALID))
return *cached_value;
if (*cached_value != REGION_CACHE_ITEM_CACHE_INVALID)
return *cached_value * REGION_CACHE_ITEM_DIVISOR;
}
const VarRegionAxis *axes = axesZ.arrayZ + (region_index * axisCount);
@ -2587,7 +2589,7 @@ struct VarRegionList
}
if (cache)
*cached_value = v;
*cached_value = v * REGION_CACHE_ITEM_MULTIPLIER;
return v;
}
@ -2730,7 +2732,7 @@ struct SparseVariationRegion : Array16Of<SparseVarRegionAxis>
struct SparseVarRegionList
{
using cache_t = float;
using cache_t = hb_atomic_t<int>;
float evaluate (unsigned int region_index,
const int *coords, unsigned int coord_len,
@ -2739,12 +2741,12 @@ struct SparseVarRegionList
if (unlikely (region_index >= regions.len))
return 0.;
float *cached_value = nullptr;
cache_t *cached_value = nullptr;
if (cache)
{
cached_value = &(cache[region_index]);
if (likely (*cached_value != REGION_CACHE_ITEM_CACHE_INVALID))
return *cached_value;
if (*cached_value != REGION_CACHE_ITEM_CACHE_INVALID)
return *cached_value * REGION_CACHE_ITEM_DIVISOR;
}
const SparseVariationRegion &region = this+regions[region_index];
@ -2752,7 +2754,7 @@ struct SparseVarRegionList
float v = region.evaluate (coords, coord_len);
if (cache)
*cached_value = v;
*cached_value = v * REGION_CACHE_ITEM_MULTIPLIER;
return v;
}
@ -2861,8 +2863,13 @@ struct VarData
const hb_vector_t<const hb_vector_t<int>*>& rows)
{
TRACE_SERIALIZE (this);
if (unlikely (!c->extend_min (this))) return_trace (false);
unsigned row_count = rows.length;
if (!row_count) {
// Nothing to serialize, will be empty.
return false;
}
if (unlikely (!c->extend_min (this))) return_trace (false);
itemCount = row_count;
int min_threshold = has_long ? -65536 : -128;
@ -3187,10 +3194,10 @@ struct ItemVariationStore
#ifdef HB_NO_VAR
return nullptr;
#endif
auto &r = this+regions;
unsigned count = r.regionCount;
unsigned count = (this+regions).regionCount;
if (!count) return nullptr;
float *cache = (float *) hb_malloc (sizeof (float) * count);
cache_t *cache = (cache_t *) hb_malloc (sizeof (float) * count);
if (unlikely (!cache)) return nullptr;
for (unsigned i = 0; i < count; i++)
@ -3440,7 +3447,7 @@ struct MultiItemVariationStore
{
using cache_t = SparseVarRegionList::cache_t;
cache_t *create_cache (hb_array_t<float> static_cache = hb_array_t<float> ()) const
cache_t *create_cache (hb_array_t<cache_t> static_cache = hb_array_t<cache_t> ()) const
{
#ifdef HB_NO_VAR
return nullptr;
@ -3448,12 +3455,12 @@ struct MultiItemVariationStore
auto &r = this+regions;
unsigned count = r.regions.len;
float *cache;
cache_t *cache;
if (count <= static_cache.length)
cache = static_cache.arrayZ;
else
{
cache = (float *) hb_malloc (sizeof (float) * count);
cache = (cache_t *) hb_malloc (sizeof (float) * count);
if (unlikely (!cache)) return nullptr;
}
@ -3464,7 +3471,7 @@ struct MultiItemVariationStore
}
static void destroy_cache (cache_t *cache,
hb_array_t<float> static_cache = hb_array_t<float> ())
hb_array_t<cache_t> static_cache = hb_array_t<cache_t> ())
{
if (cache != static_cache.arrayZ)
hb_free (cache);
@ -4777,12 +4784,12 @@ struct VariationDevice
hb_position_t get_x_delta (hb_font_t *font,
const ItemVariationStore &store,
ItemVariationStore::cache_t *store_cache = nullptr) const
{ return font->em_scalef_x (get_delta (font, store, store_cache)); }
{ return !font->num_coords ? 0 : font->em_scalef_x (get_delta (font, store, store_cache)); }
hb_position_t get_y_delta (hb_font_t *font,
const ItemVariationStore &store,
ItemVariationStore::cache_t *store_cache = nullptr) const
{ return font->em_scalef_y (get_delta (font, store, store_cache)); }
{ return !font->num_coords ? 0 : font->em_scalef_y (get_delta (font, store, store_cache)); }
VariationDevice* copy (hb_serialize_context_t *c,
const hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *layout_variation_idx_delta_map) const

541
thirdparty/harfbuzz/src/hb-ot-layout-gsubgpos.hh vendored
View file

@ -397,292 +397,277 @@ struct hb_collect_coverage_context_t :
set_t *set;
};
struct hb_ot_apply_context_t :
hb_dispatch_context_t<hb_ot_apply_context_t, bool, HB_DEBUG_APPLY>
struct matcher_t
{
struct matcher_t
typedef bool (*match_func_t) (hb_glyph_info_t &info, unsigned value, const void *data);
template <typename context_t>
void init (const context_t *c, bool context_match = false)
{
typedef bool (*match_func_t) (hb_glyph_info_t &info, unsigned value, const void *data);
set_match_func (nullptr, nullptr);
lookup_props = c->lookup_props;
/* Ignore ZWNJ if we are matching GPOS, or matching GSUB context and asked to. */
ignore_zwnj = c->table_index == 1 || (context_match && c->auto_zwnj);
/* Ignore ZWJ if we are matching context, or asked to. */
ignore_zwj = context_match || c->auto_zwj;
/* Ignore hidden glyphs (like CGJ) during GPOS. */
ignore_hidden = c->table_index == 1;
mask = context_match ? -1 : c->lookup_mask;
/* Per syllable matching is only for GSUB. */
per_syllable = c->table_index == 0 && c->per_syllable;
syllable = 0;
}
void set_ignore_zwnj (bool ignore_zwnj_) { ignore_zwnj = ignore_zwnj_; }
void set_ignore_zwj (bool ignore_zwj_) { ignore_zwj = ignore_zwj_; }
void set_ignore_hidden (bool ignore_hidden_) { ignore_hidden = ignore_hidden_; }
void set_lookup_props (unsigned int lookup_props_) { lookup_props = lookup_props_; }
void set_mask (hb_mask_t mask_) { mask = mask_; }
void set_per_syllable (bool per_syllable_) { per_syllable = per_syllable_; }
void set_syllable (uint8_t syllable_) { syllable = per_syllable ? syllable_ : 0; }
void set_match_func (match_func_t match_func_,
const void *match_data_)
{ match_func = match_func_; match_data = match_data_; }
void set_match_func (match_func_t match_func_,
const void *match_data_)
{ match_func = match_func_; match_data = match_data_; }
enum may_match_t {
MATCH_NO,
MATCH_YES,
MATCH_MAYBE
};
#ifndef HB_OPTIMIZE_SIZE
HB_ALWAYS_INLINE
#endif
may_match_t may_match (hb_glyph_info_t &info,
hb_codepoint_t glyph_data) const
{
if (!(info.mask & mask) ||
(syllable && syllable != info.syllable ()))
return MATCH_NO;
if (match_func)
return match_func (info, glyph_data, match_data) ? MATCH_YES : MATCH_NO;
return MATCH_MAYBE;
}
enum may_skip_t {
SKIP_NO,
SKIP_YES,
SKIP_MAYBE
};
#ifndef HB_OPTIMIZE_SIZE
HB_ALWAYS_INLINE
#endif
may_skip_t may_skip (const hb_ot_apply_context_t *c,
const hb_glyph_info_t &info) const
{
if (!c->check_glyph_property (&info, lookup_props))
return SKIP_YES;
if (unlikely (_hb_glyph_info_is_default_ignorable (&info) &&
(ignore_zwnj || !_hb_glyph_info_is_zwnj (&info)) &&
(ignore_zwj || !_hb_glyph_info_is_zwj (&info)) &&
(ignore_hidden || !_hb_glyph_info_is_hidden (&info))))
return SKIP_MAYBE;
return SKIP_NO;
}
protected:
unsigned int lookup_props = 0;
hb_mask_t mask = -1;
bool ignore_zwnj = false;
bool ignore_zwj = false;
bool ignore_hidden = false;
bool per_syllable = false;
uint8_t syllable = 0;
match_func_t match_func = nullptr;
const void *match_data = nullptr;
enum may_match_t {
MATCH_NO,
MATCH_YES,
MATCH_MAYBE
};
struct skipping_iterator_t
#ifndef HB_OPTIMIZE_SIZE
HB_ALWAYS_INLINE
#endif
may_match_t may_match (hb_glyph_info_t &info,
hb_codepoint_t glyph_data) const
{
void init (hb_ot_apply_context_t *c_, bool context_match = false)
{
c = c_;
end = c->buffer->len;
match_glyph_data16 = nullptr;
if (!(info.mask & mask) ||
(per_syllable && syllable && syllable != info.syllable ()))
return MATCH_NO;
if (match_func)
return match_func (info, glyph_data, match_data) ? MATCH_YES : MATCH_NO;
return MATCH_MAYBE;
}
enum may_skip_t {
SKIP_NO,
SKIP_YES,
SKIP_MAYBE
};
template <typename context_t>
#ifndef HB_OPTIMIZE_SIZE
HB_ALWAYS_INLINE
#endif
may_skip_t may_skip (const context_t *c,
const hb_glyph_info_t &info) const
{
if (!c->check_glyph_property (&info, lookup_props))
return SKIP_YES;
if (unlikely (_hb_glyph_info_is_default_ignorable (&info) &&
(ignore_zwnj || !_hb_glyph_info_is_zwnj (&info)) &&
(ignore_zwj || !_hb_glyph_info_is_zwj (&info)) &&
(ignore_hidden || !_hb_glyph_info_is_hidden (&info))))
return SKIP_MAYBE;
return SKIP_NO;
}
public:
unsigned int lookup_props = 0;
hb_mask_t mask = -1;
bool ignore_zwnj = false;
bool ignore_zwj = false;
bool ignore_hidden = false;
bool per_syllable = false;
uint8_t syllable = 0;
match_func_t match_func = nullptr;
const void *match_data = nullptr;
};
template <typename context_t>
struct skipping_iterator_t
{
void init (context_t *c_, bool context_match = false)
{
c = c_;
end = c->buffer->len;
match_glyph_data16 = nullptr;
#ifndef HB_NO_BEYOND_64K
match_glyph_data24 = nullptr;
match_glyph_data24 = nullptr;
#endif
matcher.set_match_func (nullptr, nullptr);
matcher.set_lookup_props (c->lookup_props);
/* Ignore ZWNJ if we are matching GPOS, or matching GSUB context and asked to. */
matcher.set_ignore_zwnj (c->table_index == 1 || (context_match && c->auto_zwnj));
/* Ignore ZWJ if we are matching context, or asked to. */
matcher.set_ignore_zwj (context_match || c->auto_zwj);
/* Ignore hidden glyphs (like CGJ) during GPOS. */
matcher.set_ignore_hidden (c->table_index == 1);
matcher.set_mask (context_match ? -1 : c->lookup_mask);
/* Per syllable matching is only for GSUB. */
matcher.set_per_syllable (c->table_index == 0 && c->per_syllable);
matcher.set_syllable (0);
}
void set_lookup_props (unsigned int lookup_props)
{
matcher.set_lookup_props (lookup_props);
}
void set_match_func (matcher_t::match_func_t match_func_,
const void *match_data_)
{
matcher.set_match_func (match_func_, match_data_);
}
void set_glyph_data (const HBUINT16 glyph_data[])
{
match_glyph_data16 = glyph_data;
matcher.init (c, context_match);
}
void set_lookup_props (unsigned int lookup_props)
{
matcher.lookup_props = lookup_props;
}
void set_match_func (matcher_t::match_func_t match_func_,
const void *match_data_)
{
matcher.set_match_func (match_func_, match_data_);
}
void set_glyph_data (const HBUINT16 glyph_data[])
{
match_glyph_data16 = glyph_data;
#ifndef HB_NO_BEYOND_64K
match_glyph_data24 = nullptr;
match_glyph_data24 = nullptr;
#endif
}
}
#ifndef HB_NO_BEYOND_64K
void set_glyph_data (const HBUINT24 glyph_data[])
{
match_glyph_data16 = nullptr;
match_glyph_data24 = glyph_data;
}
void set_glyph_data (const HBUINT24 glyph_data[])
{
match_glyph_data16 = nullptr;
match_glyph_data24 = glyph_data;
}
#endif
#ifndef HB_OPTIMIZE_SIZE
HB_ALWAYS_INLINE
HB_ALWAYS_INLINE
#endif
void reset (unsigned int start_index_)
{
idx = start_index_;
end = c->buffer->len;
matcher.set_syllable (start_index_ == c->buffer->idx ? c->buffer->cur().syllable () : 0);
}
#ifndef HB_OPTIMIZE_SIZE
HB_ALWAYS_INLINE
#endif
void reset_fast (unsigned int start_index_)
{
// Doesn't set end or syllable. Used by GPOS which doesn't care / change.
idx = start_index_;
}
void reject ()
{
backup_glyph_data ();
}
matcher_t::may_skip_t
#ifndef HB_OPTIMIZE_SIZE
HB_ALWAYS_INLINE
#endif
may_skip (const hb_glyph_info_t &info) const
{ return matcher.may_skip (c, info); }
enum match_t {
MATCH,
NOT_MATCH,
SKIP
};
#ifndef HB_OPTIMIZE_SIZE
HB_ALWAYS_INLINE
#endif
match_t match (hb_glyph_info_t &info)
{
matcher_t::may_skip_t skip = matcher.may_skip (c, info);
if (unlikely (skip == matcher_t::SKIP_YES))
return SKIP;
matcher_t::may_match_t match = matcher.may_match (info, get_glyph_data ());
if (match == matcher_t::MATCH_YES ||
(match == matcher_t::MATCH_MAYBE &&
skip == matcher_t::SKIP_NO))
return MATCH;
if (skip == matcher_t::SKIP_NO)
return NOT_MATCH;
return SKIP;
void reset (unsigned int start_index_)
{
idx = start_index_;
end = c->buffer->len;
matcher.syllable = start_index_ == c->buffer->idx ? c->buffer->cur().syllable () : 0;
}
#ifndef HB_OPTIMIZE_SIZE
HB_ALWAYS_INLINE
HB_ALWAYS_INLINE
#endif
bool next (unsigned *unsafe_to = nullptr)
{
const signed stop = (signed) end - 1;
while ((signed) idx < stop)
{
idx++;
switch (match (c->buffer->info[idx]))
{
case MATCH:
{
advance_glyph_data ();
return true;
}
case NOT_MATCH:
{
if (unsafe_to)
*unsafe_to = idx + 1;
return false;
}
case SKIP:
continue;
}
}
if (unsafe_to)
*unsafe_to = end;
return false;
}
void reset_fast (unsigned int start_index_)
{
// Doesn't set end or syllable. Used by GPOS which doesn't care / change.
idx = start_index_;
}
#ifndef HB_OPTIMIZE_SIZE
HB_ALWAYS_INLINE
HB_ALWAYS_INLINE
#endif
bool prev (unsigned *unsafe_from = nullptr)
{
const unsigned stop = 0;
while (idx > stop)
{
idx--;
switch (match (c->buffer->out_info[idx]))
{
case MATCH:
{
advance_glyph_data ();
return true;
}
case NOT_MATCH:
{
if (unsafe_from)
*unsafe_from = hb_max (1u, idx) - 1u;
return false;
}
case SKIP:
continue;
}
}
if (unsafe_from)
*unsafe_from = 0;
return false;
}
matcher_t::may_skip_t may_skip (const hb_glyph_info_t &info) const
{ return matcher.may_skip (c, info); }
HB_ALWAYS_INLINE
hb_codepoint_t
get_glyph_data ()
{
if (match_glyph_data16) return *match_glyph_data16;
#ifndef HB_NO_BEYOND_64K
else
if (match_glyph_data24) return *match_glyph_data24;
#endif
return 0;
}
HB_ALWAYS_INLINE
void
advance_glyph_data ()
{
if (match_glyph_data16) match_glyph_data16++;
#ifndef HB_NO_BEYOND_64K
else
if (match_glyph_data24) match_glyph_data24++;
#endif
}
void
backup_glyph_data ()
{
if (match_glyph_data16) match_glyph_data16--;
#ifndef HB_NO_BEYOND_64K
else
if (match_glyph_data24) match_glyph_data24--;
#endif
}
unsigned int idx;
protected:
hb_ot_apply_context_t *c;
matcher_t matcher;
const HBUINT16 *match_glyph_data16;
#ifndef HB_NO_BEYOND_64K
const HBUINT24 *match_glyph_data24;
#endif
unsigned int end;
enum match_t {
MATCH,
NOT_MATCH,
SKIP
};
#ifndef HB_OPTIMIZE_SIZE
HB_ALWAYS_INLINE
#endif
match_t match (hb_glyph_info_t &info)
{
matcher_t::may_skip_t skip = matcher.may_skip (c, info);
if (unlikely (skip == matcher_t::SKIP_YES))
return SKIP;
matcher_t::may_match_t match = matcher.may_match (info, get_glyph_data ());
if (match == matcher_t::MATCH_YES ||
(match == matcher_t::MATCH_MAYBE &&
skip == matcher_t::SKIP_NO))
return MATCH;
if (skip == matcher_t::SKIP_NO)
return NOT_MATCH;
return SKIP;
}
#ifndef HB_OPTIMIZE_SIZE
HB_ALWAYS_INLINE
#endif
bool next (unsigned *unsafe_to = nullptr)
{
const signed stop = (signed) end - 1;
while ((signed) idx < stop)
{
idx++;
switch (match (c->buffer->info[idx]))
{
case MATCH:
{
advance_glyph_data ();
return true;
}
case NOT_MATCH:
{
if (unsafe_to)
*unsafe_to = idx + 1;
return false;
}
case SKIP:
continue;
}
}
if (unsafe_to)
*unsafe_to = end;
return false;
}
#ifndef HB_OPTIMIZE_SIZE
HB_ALWAYS_INLINE
#endif
bool prev (unsigned *unsafe_from = nullptr)
{
const unsigned stop = 0;
while (idx > stop)
{
idx--;
switch (match (c->buffer->out_info[idx]))
{
case MATCH:
{
advance_glyph_data ();
return true;
}
case NOT_MATCH:
{
if (unsafe_from)
*unsafe_from = hb_max (1u, idx) - 1u;
return false;
}
case SKIP:
continue;
}
}
if (unsafe_from)
*unsafe_from = 0;
return false;
}
HB_ALWAYS_INLINE
hb_codepoint_t
get_glyph_data ()
{
if (match_glyph_data16) return *match_glyph_data16;
#ifndef HB_NO_BEYOND_64K
else
if (match_glyph_data24) return *match_glyph_data24;
#endif
return 0;
}
HB_ALWAYS_INLINE
void
advance_glyph_data ()
{
if (match_glyph_data16) match_glyph_data16++;
#ifndef HB_NO_BEYOND_64K
else
if (match_glyph_data24) match_glyph_data24++;
#endif
}
unsigned int idx;
protected:
context_t *c;
matcher_t matcher;
const HBUINT16 *match_glyph_data16;
#ifndef HB_NO_BEYOND_64K
const HBUINT24 *match_glyph_data24;
#endif
unsigned int end;
};
struct hb_ot_apply_context_t :
hb_dispatch_context_t<hb_ot_apply_context_t, bool, HB_DEBUG_APPLY>
{
const char *get_name () { return "APPLY"; }
typedef return_t (*recurse_func_t) (hb_ot_apply_context_t *c, unsigned int lookup_index);
template <typename T>
@ -703,7 +688,7 @@ struct hb_ot_apply_context_t :
return ret;
}
skipping_iterator_t iter_input, iter_context;
skipping_iterator_t<hb_ot_apply_context_t> iter_input, iter_context;
unsigned int table_index; /* GSUB/GPOS */
hb_font_t *font;
@ -737,7 +722,8 @@ struct hb_ot_apply_context_t :
hb_ot_apply_context_t (unsigned int table_index_,
hb_font_t *font_,
hb_buffer_t *buffer_,
hb_blob_t *table_blob_) :
hb_blob_t *table_blob_,
ItemVariationStore::cache_t *var_store_cache_ = nullptr) :
table_index (table_index_),
font (font_), face (font->face), buffer (buffer_),
sanitizer (table_blob_),
@ -756,13 +742,7 @@ struct hb_ot_apply_context_t :
#endif
),
var_store (gdef.get_var_store ()),
var_store_cache (
#ifndef HB_NO_VAR
table_index == 1 && font->num_coords ? var_store.create_cache () : nullptr
#else
nullptr
#endif
),
var_store_cache (var_store_cache_),
direction (buffer_->props.direction),
has_glyph_classes (gdef.has_glyph_classes ())
{
@ -770,13 +750,6 @@ struct hb_ot_apply_context_t :
buffer->collect_codepoints (digest);
}
~hb_ot_apply_context_t ()
{
#ifndef HB_NO_VAR
ItemVariationStore::destroy_cache (var_store_cache);
#endif
}
void init_iters ()
{
iter_input.init (this, false);
@ -1282,7 +1255,7 @@ static bool match_input (hb_ot_apply_context_t *c,
hb_buffer_t *buffer = c->buffer;
hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
auto &skippy_iter = c->iter_input;
skippy_iter.reset (buffer->idx);
skippy_iter.set_match_func (match_func, match_data);
skippy_iter.set_glyph_data (input);
@ -1361,7 +1334,7 @@ static bool match_input (hb_ot_apply_context_t *c,
j--;
}
if (found && skippy_iter.may_skip (out[j]) == hb_ot_apply_context_t::matcher_t::SKIP_YES)
if (found && skippy_iter.may_skip (out[j]) == matcher_t::SKIP_YES)
ligbase = LIGBASE_MAY_SKIP;
else
ligbase = LIGBASE_MAY_NOT_SKIP;
@ -1524,7 +1497,7 @@ static bool match_backtrack (hb_ot_apply_context_t *c,
{
TRACE_APPLY (nullptr);
hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_context;
auto &skippy_iter = c->iter_context;
skippy_iter.reset (c->buffer->backtrack_len ());
skippy_iter.set_match_func (match_func, match_data);
skippy_iter.set_glyph_data (backtrack);
@ -1557,7 +1530,7 @@ static bool match_lookahead (hb_ot_apply_context_t *c,
{
TRACE_APPLY (nullptr);
hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_context;
auto &skippy_iter = c->iter_context;
assert (start_index >= 1);
skippy_iter.reset (start_index - 1);
skippy_iter.set_match_func (match_func, match_data);
@ -2221,7 +2194,7 @@ struct RuleSet
*
* Replicated from LigatureSet::apply(). */
hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
auto &skippy_iter = c->iter_input;
skippy_iter.reset (c->buffer->idx);
skippy_iter.set_match_func (match_always, nullptr);
skippy_iter.set_glyph_data ((HBUINT16 *) nullptr);
@ -3432,7 +3405,7 @@ struct ChainRuleSet
if (!c->auto_zwnj || !c->auto_zwj)
goto slow;
hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
auto &skippy_iter = c->iter_input;
skippy_iter.reset (c->buffer->idx);
skippy_iter.set_match_func (match_always, nullptr);
skippy_iter.set_glyph_data ((HBUINT16 *) nullptr);
@ -4900,7 +4873,7 @@ struct GSUBGPOS
this->lookup_count = table->get_lookup_count ();
this->accels = (hb_atomic_ptr_t<hb_ot_layout_lookup_accelerator_t> *) hb_calloc (this->lookup_count, sizeof (*accels));
this->accels = (hb_atomic_t<hb_ot_layout_lookup_accelerator_t *> *) hb_calloc (this->lookup_count, sizeof (*accels));
if (unlikely (!this->accels))
{
this->lookup_count = 0;
@ -4948,7 +4921,7 @@ struct GSUBGPOS
hb_blob_ptr_t<T> table;
unsigned int lookup_count;
hb_atomic_ptr_t<hb_ot_layout_lookup_accelerator_t> *accels;
hb_atomic_t<hb_ot_layout_lookup_accelerator_t *> *accels;
};
protected:

17
thirdparty/harfbuzz/src/hb-ot-layout.cc vendored
View file

@ -131,13 +131,15 @@ hb_ot_layout_kern (const hb_ot_shape_plan_t *plan,
hb_font_t *font,
hb_buffer_t *buffer)
{
hb_blob_t *blob = font->face->table.kern.get_blob ();
const auto& kern = *font->face->table.kern;
auto &accel = *font->face->table.kern;
hb_blob_t *blob = accel.get_blob ();
AAT::hb_aat_apply_context_t c (plan, font, buffer, blob);
if (!buffer->message (font, "start table kern")) return;
kern.apply (&c);
c.buffer_glyph_set = accel.scratch.create_buffer_glyph_set ();
accel.apply (&c);
accel.scratch.destroy_buffer_glyph_set (c.buffer_glyph_set);
(void) buffer->message (font, "end table kern");
}
#endif
@ -2013,7 +2015,11 @@ inline void hb_ot_map_t::apply (const Proxy &proxy,
{
const unsigned int table_index = proxy.table_index;
unsigned int i = 0;
OT::hb_ot_apply_context_t c (table_index, font, buffer, proxy.accel.get_blob ());
auto *font_data = font->data.ot.get ();
auto *var_store_cache = font_data == HB_SHAPER_DATA_SUCCEEDED ? nullptr : (OT::ItemVariationStore::cache_t *) font_data;
OT::hb_ot_apply_context_t c (table_index, font, buffer, proxy.accel.get_blob (), var_store_cache);
c.set_recurse_func (Proxy::Lookup::template dispatch_recurse_func<OT::hb_ot_apply_context_t>);
for (unsigned int stage_index = 0; stage_index < stages[table_index].length; stage_index++)
@ -2626,7 +2632,8 @@ struct hb_get_glyph_alternates_dispatch_t :
* @alternate_glyphs: (out caller-allocates) (array length=alternate_count): A glyphs buffer.
* Alternate glyphs associated with the glyph id.
*
* Fetches alternates of a glyph from a given GSUB lookup index.
* Fetches alternates of a glyph from a given GSUB lookup index. Note that for one-to-one GSUB
* glyph substitutions, this function fetches the substituted glyph.
*
* Return value: Total number of alternates found in the specific lookup index for the given glyph id.
*

17
thirdparty/harfbuzz/src/hb-ot-layout.hh vendored
View file

@ -202,7 +202,8 @@ enum hb_unicode_props_flags_t {
/* If GEN_CAT=FORMAT, top byte masks: */
UPROPS_MASK_Cf_ZWJ = 0x0100u,
UPROPS_MASK_Cf_ZWNJ = 0x0200u,
UPROPS_MASK_Cf_VS = 0x0400u
UPROPS_MASK_Cf_VS = 0x0400u,
UPROPS_MASK_Cf_AAT_DELETED = 0x0800u
};
HB_MARK_AS_FLAG_T (hb_unicode_props_flags_t);
@ -386,6 +387,8 @@ _hb_grapheme_group_func (const hb_glyph_info_t& a HB_UNUSED,
static inline void
_hb_ot_layout_reverse_graphemes (hb_buffer_t *buffer)
{
// MONOTONE_GRAPHEMES was already applied and is taken care of by _hb_grapheme_group_func.
// So we just check for MONOTONE_CHARACTERS here.
buffer->reverse_groups (_hb_grapheme_group_func,
buffer->cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS);
}
@ -418,6 +421,18 @@ _hb_glyph_info_flip_joiners (hb_glyph_info_t *info)
return;
info->unicode_props() ^= UPROPS_MASK_Cf_ZWNJ | UPROPS_MASK_Cf_ZWJ;
}
static inline bool
_hb_glyph_info_is_aat_deleted (const hb_glyph_info_t *info)
{
return _hb_glyph_info_is_unicode_format (info) && (info->unicode_props() & UPROPS_MASK_Cf_AAT_DELETED);
}
static inline void
_hb_glyph_info_set_aat_deleted (hb_glyph_info_t *info)
{
_hb_glyph_info_set_general_category (info, HB_UNICODE_GENERAL_CATEGORY_FORMAT);
info->unicode_props() |= UPROPS_MASK_Cf_AAT_DELETED;
info->unicode_props() |= UPROPS_MASK_HIDDEN;
}
/* lig_props: aka lig_id / lig_comp
*

18
thirdparty/harfbuzz/src/hb-ot-math-table.hh vendored
View file

@ -1104,6 +1104,24 @@ struct MATH
mathVariants.sanitize (c, this));
}
// https://github.com/harfbuzz/harfbuzz/issues/4653
HB_INTERNAL bool is_bad_cambria (hb_font_t *font) const
{
#ifndef HB_NO_MATH
switch HB_CODEPOINT_ENCODE3 (font->face->table.MATH.get_blob ()->length,
get_constant (HB_OT_MATH_CONSTANT_DISPLAY_OPERATOR_MIN_HEIGHT, font),
get_constant (HB_OT_MATH_CONSTANT_DELIMITED_SUB_FORMULA_MIN_HEIGHT, font))
{
/* sha1sum:ab4a4fe054d23061f3c039493d6f665cfda2ecf5 cambria.ttc
* sha1sum:086855301bff644f9d8827b88491fcf73a6d4cb9 cambria.ttc
* sha1sum:b1e5a3feaca2ea3dfcf79ccb377de749ecf60343 cambria.ttc */
case HB_CODEPOINT_ENCODE3 (25722, 2500, 3000):
return true;
}
#endif
return false;
}
hb_position_t get_constant (hb_ot_math_constant_t constant,
hb_font_t *font) const
{ return (this+mathConstants).get_value (constant, font); }

14
thirdparty/harfbuzz/src/hb-ot-math.cc vendored
View file

@ -87,6 +87,20 @@ hb_position_t
hb_ot_math_get_constant (hb_font_t *font,
hb_ot_math_constant_t constant)
{
/* https://github.com/harfbuzz/harfbuzz/issues/4653
* Cambria Math has incorrect value for displayOperatorMinHeight, and
* apparently Microsoft implementation swaps displayOperatorMinHeight and
* delimitedSubFormulaMinHeight, so we do the same if we detect Cambria Math
* with the swapped values. */
if ((constant == HB_OT_MATH_CONSTANT_DISPLAY_OPERATOR_MIN_HEIGHT ||
constant == HB_OT_MATH_CONSTANT_DELIMITED_SUB_FORMULA_MIN_HEIGHT) &&
font->face->table.MATH->is_bad_cambria (font))
{
if (constant == HB_OT_MATH_CONSTANT_DISPLAY_OPERATOR_MIN_HEIGHT)
constant = HB_OT_MATH_CONSTANT_DELIMITED_SUB_FORMULA_MIN_HEIGHT;
else
constant = HB_OT_MATH_CONSTANT_DISPLAY_OPERATOR_MIN_HEIGHT;
}
return font->face->table.MATH->get_constant(constant, font);
}

2
thirdparty/harfbuzz/src/hb-ot-post-table.hh vendored
View file

@ -290,7 +290,7 @@ struct post
const Array16Of<HBUINT16> *glyphNameIndex = nullptr;
hb_vector_t<uint32_t> index_to_offset;
const uint8_t *pool = nullptr;
hb_atomic_ptr_t<uint16_t *> gids_sorted_by_name;
mutable hb_atomic_t<uint16_t *> gids_sorted_by_name;
};
bool has_data () const { return version.to_int (); }

9
thirdparty/harfbuzz/src/hb-ot-shape-fallback.cc vendored
View file

@ -427,8 +427,13 @@ position_cluster (const hb_ot_shape_plan_t *plan,
/* Find mark glyphs */
unsigned int j;
for (j = i + 1; j < end; j++)
{
if (_hb_glyph_info_is_hidden (&info[j]) ||
_hb_glyph_info_is_default_ignorable (&info[j]))
continue;
if (!_hb_glyph_info_is_unicode_mark (&info[j]))
break;
}
position_around_base (plan, font, buffer, i, j, adjust_offsets_when_zeroing);
@ -455,7 +460,9 @@ _hb_ot_shape_fallback_mark_position (const hb_ot_shape_plan_t *plan,
unsigned int count = buffer->len;
hb_glyph_info_t *info = buffer->info;
for (unsigned int i = 1; i < count; i++)
if (likely (!_hb_glyph_info_is_unicode_mark (&info[i]))) {
if (likely (!_hb_glyph_info_is_unicode_mark (&info[i]) &&
!_hb_glyph_info_is_hidden (&info[i]) &&
!_hb_glyph_info_is_default_ignorable (&info[i]))) {
position_cluster (plan, font, buffer, start, i, adjust_offsets_when_zeroing);
start = i;
}

44
thirdparty/harfbuzz/src/hb-ot-shape.cc vendored
View file

@ -46,6 +46,7 @@
#include "hb-set.hh"
#include "hb-aat-layout.hh"
#include "hb-ot-layout-gdef-table.hh"
#include "hb-ot-stat-table.hh"
@ -84,6 +85,7 @@ hb_ot_shape_planner_t::hb_ot_shape_planner_t (hb_face_t *fac
props (props),
map (face, props)
#ifndef HB_NO_AAT_SHAPE
, aat_map (face, props)
, apply_morx (_hb_apply_morx (face, props))
#endif
{
@ -106,6 +108,10 @@ hb_ot_shape_planner_t::compile (hb_ot_shape_plan_t &plan,
plan.props = props;
plan.shaper = shaper;
map.compile (plan.map, key);
#ifndef HB_NO_AAT_SHAPE
if (apply_morx)
aat_map.compile (plan.aat_map);
#endif
#ifndef HB_NO_OT_SHAPE_FRACTIONS
plan.frac_mask = plan.map.get_1_mask (HB_TAG ('f','r','a','c'));
@ -205,6 +211,14 @@ hb_ot_shape_planner_t::compile (hb_ot_shape_plan_t &plan,
https://github.com/harfbuzz/harfbuzz/issues/2967. */
if (plan.apply_morx)
plan.adjust_mark_positioning_when_zeroing = false;
/* According to Ned, trak is applied by default for "modern fonts", as detected by presence of STAT table. */
#ifndef HB_NO_STYLE
plan.apply_trak = hb_aat_layout_has_tracking (face) && face->table.STAT->has_data ();
#else
plan.apply_trak = false;
#endif
#endif
}
@ -269,6 +283,11 @@ hb_ot_shape_plan_t::position (hb_font_t *font,
#endif
else if (this->apply_fallback_kern)
_hb_ot_shape_fallback_kern (this, font, buffer);
#ifndef HB_NO_AAT_SHAPE
if (this->apply_trak)
hb_aat_layout_track (this, font, buffer);
#endif
}
@ -405,17 +424,26 @@ _hb_ot_shaper_face_data_destroy (hb_ot_face_data_t *data)
* shaper font data
*/
struct hb_ot_font_data_t {};
struct hb_ot_font_data_t {
OT::ItemVariationStore::cache_t unused; // Just for alignment
};
hb_ot_font_data_t *
_hb_ot_shaper_font_data_create (hb_font_t *font HB_UNUSED)
_hb_ot_shaper_font_data_create (hb_font_t *font)
{
return (hb_ot_font_data_t *) HB_SHAPER_DATA_SUCCEEDED;
if (!font->num_coords)
return (hb_ot_font_data_t *) HB_SHAPER_DATA_SUCCEEDED;
const OT::ItemVariationStore &var_store = font->face->table.GDEF->table->get_var_store ();
auto *cache = (hb_ot_font_data_t *) var_store.create_cache ();
return cache ? cache : (hb_ot_font_data_t *) HB_SHAPER_DATA_SUCCEEDED;
}
void
_hb_ot_shaper_font_data_destroy (hb_ot_font_data_t *data HB_UNUSED)
_hb_ot_shaper_font_data_destroy (hb_ot_font_data_t *data)
{
if (data == HB_SHAPER_DATA_SUCCEEDED) return;
OT::ItemVariationStore::destroy_cache ((OT::ItemVariationStore::cache_t *) data);
}
@ -551,7 +579,7 @@ hb_form_clusters (hb_buffer_t *buffer)
if (!(buffer->scratch_flags & HB_BUFFER_SCRATCH_FLAG_HAS_NON_ASCII))
return;
if (buffer->cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES)
if (HB_BUFFER_CLUSTER_LEVEL_IS_GRAPHEMES (buffer->cluster_level))
foreach_grapheme (buffer, start, end)
buffer->merge_clusters (start, end);
else
@ -609,7 +637,7 @@ hb_ensure_native_direction (hb_buffer_t *buffer)
* Ogham fonts are supposed to be implemented BTT or not. Need to research that
* first. */
if ((HB_DIRECTION_IS_HORIZONTAL (direction) &&
direction != horiz_dir && horiz_dir != HB_DIRECTION_INVALID) ||
direction != horiz_dir && HB_DIRECTION_IS_VALID (horiz_dir)) ||
(HB_DIRECTION_IS_VERTICAL (direction) &&
direction != HB_DIRECTION_TTB))
{
@ -1109,10 +1137,6 @@ hb_ot_position_plan (const hb_ot_shape_context_t *c)
/* Finish off. Has to follow a certain order. */
hb_ot_layout_position_finish_advances (c->font, c->buffer);
hb_ot_zero_width_default_ignorables (c->buffer);
#ifndef HB_NO_AAT_SHAPE
if (c->plan->apply_morx)
hb_aat_layout_zero_width_deleted_glyphs (c->buffer);
#endif
hb_ot_layout_position_finish_offsets (c->font, c->buffer);
/* The nil glyph_h_origin() func returns 0, so no need to apply it. */

4
thirdparty/harfbuzz/src/hb-ot-shape.hh vendored
View file

@ -66,6 +66,7 @@ struct hb_ot_shape_plan_t
hb_segment_properties_t props;
const struct hb_ot_shaper_t *shaper;
hb_ot_map_t map;
hb_aat_map_t aat_map;
const void *data;
#ifndef HB_NO_OT_SHAPE_FRACTIONS
hb_mask_t frac_mask, numr_mask, dnom_mask;
@ -108,9 +109,11 @@ struct hb_ot_shape_plan_t
#ifndef HB_NO_AAT_SHAPE
bool apply_kerx : 1;
bool apply_morx : 1;
bool apply_trak : 1;
#else
static constexpr bool apply_kerx = false;
static constexpr bool apply_morx = false;
static constexpr bool apply_trak = false;
#endif
void collect_lookups (hb_tag_t table_tag, hb_set_t *lookups) const
@ -141,6 +144,7 @@ struct hb_ot_shape_planner_t
hb_segment_properties_t props;
hb_ot_map_builder_t map;
#ifndef HB_NO_AAT_SHAPE
hb_aat_map_builder_t aat_map;
bool apply_morx : 1;
#else
static constexpr bool apply_morx = false;

2
thirdparty/harfbuzz/src/hb-ot-shaper-arabic.cc vendored
View file

@ -260,7 +260,7 @@ struct arabic_shape_plan_t
* mask_array[NONE] == 0. */
hb_mask_t mask_array[ARABIC_NUM_FEATURES + 1];
hb_atomic_ptr_t<arabic_fallback_plan_t> fallback_plan;
mutable hb_atomic_t<arabic_fallback_plan_t *> fallback_plan;
unsigned int do_fallback : 1;
unsigned int has_stch : 1;

6
thirdparty/harfbuzz/src/hb-ot-shaper-hangul.cc vendored
View file

@ -298,8 +298,7 @@ preprocess_text_hangul (const hb_ot_shape_plan_t *plan HB_UNUSED,
end = start + 2;
if (unlikely (!buffer->successful))
break;
if (buffer->cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES)
buffer->merge_out_clusters (start, end);
buffer->merge_out_clusters (start, end);
continue;
}
}
@ -372,8 +371,7 @@ preprocess_text_hangul (const hb_ot_shape_plan_t *plan HB_UNUSED,
if (i < end)
info[i++].hangul_shaping_feature() = TJMO;
if (buffer->cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES)
buffer->merge_out_clusters (start, end);
buffer->merge_out_clusters (start, end);
continue;
}
else if ((!tindex && buffer->idx + 1 < count && isT (buffer->cur(+1).codepoint)))

Some files were not shown because too many files have changed in this diff Show more