feat: updated engine version to 4.4-rc1
This commit is contained in:
Sara
parent
ee00efde1f
commit
21ba8e33af
5459 changed files with 1128836 additions and 198305 deletions
461
engine/thirdparty/harfbuzz/src/hb-coretext-font.cc
vendored
Normal file
461
engine/thirdparty/harfbuzz/src/hb-coretext-font.cc
vendored
Normal file
|
|
@ -0,0 +1,461 @@
|
|||
/*
|
||||
* Copyright © 2024 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_CORETEXT
|
||||
|
||||
#include "hb-coretext.h"
|
||||
|
||||
#include "hb-draw.hh"
|
||||
#include "hb-font.hh"
|
||||
#include "hb-machinery.hh"
|
||||
|
||||
#if MAC_OS_X_VERSION_MIN_REQUIRED < 101100
|
||||
# define kCTFontOrientationDefault kCTFontDefaultOrientation
|
||||
#endif
|
||||
|
||||
#define MAX_GLYPHS 64u
|
||||
|
||||
static void
|
||||
_hb_coretext_font_destroy (void *font_data)
|
||||
{
|
||||
CTFontRef ct_font = (CTFontRef) font_data;
|
||||
|
||||
CFRelease (ct_font);
|
||||
}
|
||||
|
||||
static hb_bool_t
|
||||
hb_coretext_get_nominal_glyph (hb_font_t *font HB_UNUSED,
|
||||
void *font_data,
|
||||
hb_codepoint_t unicode,
|
||||
hb_codepoint_t *glyph,
|
||||
void *user_data HB_UNUSED)
|
||||
{
|
||||
CTFontRef ct_font = (CTFontRef) font_data;
|
||||
UniChar ch = unicode;
|
||||
CGGlyph cg_glyph;
|
||||
if (CTFontGetGlyphsForCharacters (ct_font, &ch, &cg_glyph, 1))
|
||||
{
|
||||
*glyph = cg_glyph;
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
static unsigned int
|
||||
hb_coretext_get_nominal_glyphs (hb_font_t *font HB_UNUSED,
|
||||
void *font_data,
|
||||
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)
|
||||
{
|
||||
CTFontRef ct_font = (CTFontRef) font_data;
|
||||
|
||||
UniChar ch[MAX_GLYPHS];
|
||||
CGGlyph cg_glyph[MAX_GLYPHS];
|
||||
for (unsigned i = 0; i < count; i += MAX_GLYPHS)
|
||||
{
|
||||
unsigned c = (unsigned) hb_min ((int) MAX_GLYPHS, (int) count - (int) i);
|
||||
for (unsigned j = 0; j < c; j++)
|
||||
{
|
||||
ch[j] = *first_unicode;
|
||||
first_unicode = &StructAtOffset<const hb_codepoint_t> (first_unicode, unicode_stride);
|
||||
}
|
||||
CTFontGetGlyphsForCharacters (ct_font, ch, cg_glyph, c);
|
||||
for (unsigned j = 0; j < c; j++)
|
||||
{
|
||||
*first_glyph = cg_glyph[j];
|
||||
first_glyph = &StructAtOffset<hb_codepoint_t> (first_glyph, glyph_stride);
|
||||
}
|
||||
}
|
||||
|
||||
return count;
|
||||
}
|
||||
|
||||
static hb_bool_t
|
||||
hb_coretext_get_variation_glyph (hb_font_t *font HB_UNUSED,
|
||||
void *font_data,
|
||||
hb_codepoint_t unicode,
|
||||
hb_codepoint_t variation_selector,
|
||||
hb_codepoint_t *glyph,
|
||||
void *user_data HB_UNUSED)
|
||||
{
|
||||
CTFontRef ct_font = (CTFontRef) font_data;
|
||||
|
||||
UniChar ch[2] = { unicode, variation_selector };
|
||||
CGGlyph cg_glyph[2];
|
||||
|
||||
CTFontGetGlyphsForCharacters (ct_font, ch, cg_glyph, 2);
|
||||
|
||||
if (cg_glyph[1])
|
||||
return false;
|
||||
|
||||
*glyph = cg_glyph[0];
|
||||
return true;
|
||||
}
|
||||
|
||||
static void
|
||||
hb_coretext_get_glyph_h_advances (hb_font_t* font, void* font_data,
|
||||
unsigned count,
|
||||
const hb_codepoint_t *first_glyph,
|
||||
unsigned glyph_stride,
|
||||
hb_position_t *first_advance,
|
||||
unsigned advance_stride,
|
||||
void *user_data HB_UNUSED)
|
||||
{
|
||||
CTFontRef ct_font = (CTFontRef) font_data;
|
||||
|
||||
CGFloat ct_font_size = CTFontGetSize (ct_font);
|
||||
CGFloat x_mult = (CGFloat) font->x_scale / ct_font_size;
|
||||
|
||||
CGGlyph cg_glyph[MAX_GLYPHS];
|
||||
CGSize advances[MAX_GLYPHS];
|
||||
for (unsigned i = 0; i < count; i += MAX_GLYPHS)
|
||||
{
|
||||
unsigned c = (unsigned) hb_min ((int) MAX_GLYPHS, (int) count - (int) i);
|
||||
for (unsigned j = 0; j < c; j++)
|
||||
{
|
||||
cg_glyph[j] = *first_glyph;
|
||||
first_glyph = &StructAtOffset<const hb_codepoint_t> (first_glyph, glyph_stride);
|
||||
}
|
||||
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 = &StructAtOffset<hb_position_t> (first_advance, advance_stride);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#ifndef HB_NO_VERTICAL
|
||||
static void
|
||||
hb_coretext_get_glyph_v_advances (hb_font_t* font, void* font_data,
|
||||
unsigned count,
|
||||
const hb_codepoint_t *first_glyph,
|
||||
unsigned glyph_stride,
|
||||
hb_position_t *first_advance,
|
||||
unsigned advance_stride,
|
||||
void *user_data HB_UNUSED)
|
||||
{
|
||||
CTFontRef ct_font = (CTFontRef) font_data;
|
||||
|
||||
CGFloat ct_font_size = CTFontGetSize (ct_font);
|
||||
CGFloat y_mult = (CGFloat) -font->y_scale / ct_font_size;
|
||||
|
||||
CGGlyph cg_glyph[MAX_GLYPHS];
|
||||
CGSize advances[MAX_GLYPHS];
|
||||
for (unsigned i = 0; i < count; i += MAX_GLYPHS)
|
||||
{
|
||||
unsigned c = (unsigned) hb_min ((int) MAX_GLYPHS, (int) count - (int) i);
|
||||
for (unsigned j = 0; j < c; j++)
|
||||
{
|
||||
cg_glyph[j] = *first_glyph;
|
||||
first_glyph = &StructAtOffset<const hb_codepoint_t> (first_glyph, glyph_stride);
|
||||
}
|
||||
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 = &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,
|
||||
hb_codepoint_t glyph,
|
||||
hb_position_t *x,
|
||||
hb_position_t *y,
|
||||
void *user_data HB_UNUSED)
|
||||
{
|
||||
CTFontRef ct_font = (CTFontRef) font_data;
|
||||
|
||||
CGFloat ct_font_size = CTFontGetSize (ct_font);
|
||||
CGFloat x_mult = (CGFloat) -font->x_scale / ct_font_size;
|
||||
CGFloat y_mult = (CGFloat) -font->y_scale / ct_font_size;
|
||||
|
||||
const CGGlyph glyphs = glyph;
|
||||
CGSize origin;
|
||||
CTFontGetVerticalTranslationsForGlyphs (ct_font, &glyphs, &origin, 1);
|
||||
|
||||
*x = round (x_mult * origin.width);
|
||||
*y = round (y_mult * origin.height);
|
||||
|
||||
return true;
|
||||
}
|
||||
#endif
|
||||
|
||||
static hb_bool_t
|
||||
hb_coretext_get_glyph_extents (hb_font_t *font,
|
||||
void *font_data,
|
||||
hb_codepoint_t glyph,
|
||||
hb_glyph_extents_t *extents,
|
||||
void *user_data HB_UNUSED)
|
||||
{
|
||||
CTFontRef ct_font = (CTFontRef) font_data;
|
||||
|
||||
CGFloat ct_font_size = CTFontGetSize (ct_font);
|
||||
CGFloat x_mult = (CGFloat) font->x_scale / ct_font_size;
|
||||
CGFloat y_mult = (CGFloat) font->y_scale / ct_font_size;
|
||||
|
||||
CGGlyph glyphs[1] = { glyph };
|
||||
CGRect bounds = ::CTFontGetBoundingRectsForGlyphs(ct_font,
|
||||
kCTFontOrientationDefault, glyphs, NULL, 1);
|
||||
|
||||
extents->x_bearing = round (bounds.origin.x * x_mult);
|
||||
extents->y_bearing = round (bounds.origin.y * y_mult);
|
||||
extents->width = round (bounds.size.width * x_mult);
|
||||
extents->height = round (bounds.size.height * y_mult);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
static hb_bool_t
|
||||
hb_coretext_get_font_h_extents (hb_font_t *font,
|
||||
void *font_data,
|
||||
hb_font_extents_t *metrics,
|
||||
void *user_data HB_UNUSED)
|
||||
{
|
||||
CTFontRef ct_font = (CTFontRef) font_data;
|
||||
CGFloat ct_font_size = CTFontGetSize (ct_font);
|
||||
CGFloat y_mult = (CGFloat) font->y_scale / ct_font_size;
|
||||
|
||||
metrics->ascender = round (CTFontGetAscent (ct_font) * y_mult);
|
||||
metrics->descender = -round (CTFontGetDescent (ct_font) * y_mult);
|
||||
metrics->line_gap = round (CTFontGetLeading (ct_font) * y_mult);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
#ifndef HB_NO_DRAW
|
||||
|
||||
static void
|
||||
ct_apply_func (void *info, const CGPathElement *element)
|
||||
{
|
||||
hb_draw_session_t *draws = (hb_draw_session_t *) info;
|
||||
|
||||
switch (element->type)
|
||||
{
|
||||
case kCGPathElementMoveToPoint:
|
||||
draws->move_to (element->points[0].x, element->points[0].y);
|
||||
break;
|
||||
case kCGPathElementAddLineToPoint:
|
||||
draws->line_to (element->points[0].x, element->points[0].y);
|
||||
break;
|
||||
case kCGPathElementAddQuadCurveToPoint:
|
||||
draws->quadratic_to (element->points[0].x, element->points[0].y,
|
||||
element->points[1].x, element->points[1].y);
|
||||
break;
|
||||
case kCGPathElementAddCurveToPoint:
|
||||
draws->cubic_to (element->points[0].x, element->points[0].y,
|
||||
element->points[1].x, element->points[1].y,
|
||||
element->points[2].x, element->points[2].y);
|
||||
break;
|
||||
case kCGPathElementCloseSubpath:
|
||||
draws->close_path ();
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
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)
|
||||
{
|
||||
CTFontRef ct_font = (CTFontRef) font_data;
|
||||
|
||||
CGFloat ct_font_size = CTFontGetSize (ct_font);
|
||||
CGFloat x_mult = (CGFloat) font->x_scale / ct_font_size;
|
||||
CGFloat y_mult = (CGFloat) font->y_scale / ct_font_size;
|
||||
|
||||
CGAffineTransform transform = CGAffineTransformIdentity;
|
||||
transform = CGAffineTransformScale (transform, x_mult, y_mult);
|
||||
|
||||
CGPathRef path = CTFontCreatePathForGlyph (ct_font, glyph, &transform);
|
||||
if (!path)
|
||||
return;
|
||||
|
||||
hb_draw_session_t drawing = {draw_funcs, draw_data, font->slant};
|
||||
|
||||
CGPathApply (path, &drawing, ct_apply_func);
|
||||
|
||||
CFRelease (path);
|
||||
}
|
||||
#endif
|
||||
|
||||
static hb_bool_t
|
||||
hb_coretext_get_glyph_name (hb_font_t *font,
|
||||
void *font_data HB_UNUSED,
|
||||
hb_codepoint_t glyph,
|
||||
char *name, unsigned int size,
|
||||
void *user_data HB_UNUSED)
|
||||
{
|
||||
CGFontRef cg_font = (CGFontRef) (const void *) font->face->data.coretext;
|
||||
|
||||
CGGlyph cg_glyph = glyph;
|
||||
CFStringRef cf_name = CGFontCopyGlyphNameForGlyph (cg_font, cg_glyph);
|
||||
if (!cf_name)
|
||||
return false;
|
||||
|
||||
CFIndex len = CFStringGetLength (cf_name);
|
||||
if (len > size - 1)
|
||||
len = size - 1;
|
||||
|
||||
CFStringGetBytes (cf_name, CFRangeMake (0, len),
|
||||
kCFStringEncodingUTF8, 0, false,
|
||||
(UInt8 *) name, size, &len);
|
||||
|
||||
name[len] = '\0';
|
||||
return true;
|
||||
}
|
||||
|
||||
static hb_bool_t
|
||||
hb_coretext_get_glyph_from_name (hb_font_t *font HB_UNUSED,
|
||||
void *font_data,
|
||||
const char *name, int len,
|
||||
hb_codepoint_t *glyph,
|
||||
void *user_data HB_UNUSED)
|
||||
{
|
||||
CTFontRef ct_font = (CTFontRef) font_data;
|
||||
|
||||
if (len == -1)
|
||||
len = strlen (name);
|
||||
|
||||
CFStringRef cf_name = CFStringCreateWithBytes (kCFAllocatorDefault,
|
||||
(const UInt8 *) name, len,
|
||||
kCFStringEncodingUTF8, false);
|
||||
CGGlyph cg_glyph = CTFontGetGlyphWithName (ct_font, cf_name);
|
||||
*glyph = cg_glyph;
|
||||
|
||||
CFRelease (cf_name);
|
||||
|
||||
// TODO Return true for .notdef; hb-ft does that.
|
||||
|
||||
return cg_glyph != 0;
|
||||
}
|
||||
|
||||
|
||||
static inline void free_static_coretext_funcs ();
|
||||
|
||||
static struct hb_coretext_font_funcs_lazy_loader_t : hb_font_funcs_lazy_loader_t<hb_coretext_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_glyph_func (funcs, hb_coretext_get_nominal_glyph, nullptr, nullptr);
|
||||
hb_font_funcs_set_nominal_glyphs_func (funcs, hb_coretext_get_nominal_glyphs, nullptr, nullptr);
|
||||
hb_font_funcs_set_variation_glyph_func (funcs, hb_coretext_get_variation_glyph, nullptr, nullptr);
|
||||
|
||||
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);
|
||||
#endif
|
||||
|
||||
hb_font_funcs_set_glyph_extents_func (funcs, hb_coretext_get_glyph_extents, nullptr, nullptr);
|
||||
|
||||
#ifndef HB_NO_OT_FONT_GLYPH_NAMES
|
||||
hb_font_funcs_set_glyph_name_func (funcs, hb_coretext_get_glyph_name, nullptr, nullptr);
|
||||
hb_font_funcs_set_glyph_from_name_func (funcs, hb_coretext_get_glyph_from_name, nullptr, nullptr);
|
||||
#endif
|
||||
|
||||
hb_font_funcs_make_immutable (funcs);
|
||||
|
||||
hb_atexit (free_static_coretext_funcs);
|
||||
|
||||
return funcs;
|
||||
}
|
||||
} static_coretext_funcs;
|
||||
|
||||
static inline
|
||||
void free_static_coretext_funcs ()
|
||||
{
|
||||
static_coretext_funcs.free_instance ();
|
||||
}
|
||||
|
||||
static hb_font_funcs_t *
|
||||
_hb_coretext_get_font_funcs ()
|
||||
{
|
||||
return static_coretext_funcs.get_unconst ();
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* hb_coretext_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 CoreText font functions.
|
||||
*
|
||||
* In particular, you can use this function to configure an
|
||||
* existing #hb_face_t face object for use with CoreText 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 CoreText font functions.
|
||||
*
|
||||
* An #hb_font_t object created with hb_coretext_font_create()
|
||||
* is preconfigured for CoreText font functions and does not
|
||||
* require this function to be used.
|
||||
*
|
||||
* <note>Note: Internally, this function creates a CTFont.
|
||||
* </note>
|
||||
*
|
||||
* Since: 10.1.0
|
||||
**/
|
||||
void
|
||||
hb_coretext_font_set_funcs (hb_font_t *font)
|
||||
{
|
||||
CTFontRef ct_font = hb_coretext_font_get_ct_font (font);
|
||||
if (unlikely (!ct_font))
|
||||
return;
|
||||
|
||||
hb_font_set_funcs (font,
|
||||
_hb_coretext_get_font_funcs (),
|
||||
(void *) CFRetain (ct_font),
|
||||
_hb_coretext_font_destroy);
|
||||
}
|
||||
|
||||
#undef MAX_GLYPHS
|
||||
|
||||
#endif
|
||||
Loading…
Add table
Add a link
Reference in a new issue