godot-module-template/engine/tests/scene/test_fontfile.h
2025-04-12 18:40:44 +02:00

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/**************************************************************************/
/* test_fontfile.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#pragma once
#include "modules/modules_enabled.gen.h"
#include "scene/resources/font.h"
#include "tests/test_macros.h"
namespace TestFontfile {
TEST_CASE("[FontFile] Load Dynamic Font - getters") {
#ifdef MODULE_FREETYPE_ENABLED
String test_dynamic_font = "thirdparty/fonts/NotoSansHebrew_Regular.woff2";
Ref<FontFile> ff;
ff.instantiate();
CHECK(ff->load_dynamic_font(test_dynamic_font) == OK);
// These properties come from the font file itself.
CHECK(ff->get_font_name() == "Noto Sans Hebrew");
CHECK(ff->get_font_style_name() == "Regular");
CHECK(ff->get_font_weight() == 400);
CHECK(ff->get_font_stretch() == 100);
CHECK(ff->get_opentype_features() == Dictionary());
Dictionary expected_ot_name_strings;
Dictionary en_dict;
en_dict["copyright"] = "Copyright 2022 The Noto Project Authors (https://github.com/notofonts/hebrew)";
en_dict["family_name"] = "Noto Sans Hebrew";
en_dict["subfamily_name"] = "Regular";
en_dict["full_name"] = "Noto Sans Hebrew Regular";
en_dict["unique_identifier"] = "2.003;GOOG;NotoSansHebrew-Regular";
en_dict["version"] = "Version 2.003";
en_dict["postscript_name"] = "NotoSansHebrew-Regular";
en_dict["trademark"] = "Noto is a trademark of Google Inc.";
en_dict["license"] = "This Font Software is licensed under the SIL Open Font License, Version 1.1. This license is available with a FAQ at: https://scripts.sil.org/OFL";
en_dict["license_url"] = "https://scripts.sil.org/OFL";
en_dict["designer"] = "Monotype Design Team";
en_dict["designer_url"] = "http://www.monotype.com/studio";
en_dict["description"] = "Designed by Monotype design team.";
en_dict["manufacturer"] = "Monotype Imaging Inc.";
en_dict["vendor_url"] = "http://www.google.com/get/noto/";
expected_ot_name_strings["en"] = en_dict;
CHECK(ff->get_ot_name_strings() == expected_ot_name_strings);
// These are dependent on size and potentially other state. Act as regression tests based of arbitrary small size 10 and large size 100.
CHECK(ff->get_height(10) == doctest::Approx((real_t)14));
CHECK(ff->get_ascent(10) == doctest::Approx((real_t)11));
CHECK(ff->get_descent(10) == doctest::Approx((real_t)3));
CHECK(ff->get_underline_position(10) == doctest::Approx((real_t)1.25));
CHECK(ff->get_underline_thickness(10) == doctest::Approx((real_t)0.5));
CHECK(ff->get_height(100) == doctest::Approx((real_t)137));
CHECK(ff->get_ascent(100) == doctest::Approx((real_t)107));
CHECK(ff->get_descent(100) == doctest::Approx((real_t)30));
CHECK(ff->get_underline_position(100) == doctest::Approx((real_t)12.5));
CHECK(ff->get_underline_thickness(100) == doctest::Approx((real_t)5));
#endif
}
TEST_CASE("[FontFile] Create font file and check data") {
// Create test instance.
Ref<FontFile> font_file;
font_file.instantiate();
#ifdef MODULE_FREETYPE_ENABLED
// Try to load non-existent files.
ERR_PRINT_OFF
CHECK(font_file->load_dynamic_font("") == OK);
CHECK_MESSAGE(font_file->get_data().is_empty() == true, "Invalid fontfile should not be loaded.");
CHECK(font_file->load_dynamic_font("thirdparty/fonts/nofonthasthisname.woff2") == OK);
CHECK_MESSAGE(font_file->get_data().is_empty() == true, "Invalid fontfile should not be loaded.");
ERR_PRINT_ON
// Load a valid file.
CHECK(font_file->load_dynamic_font("thirdparty/fonts/NotoSans_Regular.woff2") == OK);
// Check fontfile data.
CHECK_MESSAGE(font_file->get_data().is_empty() == false, "Fontfile should have been loaded.");
CHECK_MESSAGE(font_file->get_font_name() == "Noto Sans", "Loaded correct font name.");
CHECK_MESSAGE(font_file->get_font_style_name() == "Regular", "Loaded correct font style.");
CHECK_MESSAGE(font_file->get_data().size() == 148480llu, "Whole fontfile was loaded.");
// Valid glyphs.
CHECK_MESSAGE(font_file->get_glyph_index(2, 'a', 0) != 0, "Glyph index for 'a' is valid.");
CHECK_MESSAGE(font_file->get_glyph_index(2, 'b', 0) != 0, "Glyph index for 'b' is valid.");
CHECK_MESSAGE(font_file->get_glyph_index(2, 0x0103, 0) != 0, "Glyph index for 'latin small letter a with breve' is valid.");
CHECK_MESSAGE(font_file->get_glyph_index(2, 0x03a8, 0) != 0, "Glyph index for 'Greek psi' is valid.");
CHECK_MESSAGE(font_file->get_glyph_index(2, 0x0416, 0) != 0, "Glyph index for 'Cyrillic zhe' is valid.");
CHECK_MESSAGE(font_file->get_glyph_index(2, '&', 0) != 0, "Glyph index for '&' is valid.");
// Invalid glyphs.
CHECK_MESSAGE(font_file->get_glyph_index(2, 0x4416, 0) == 0, "Glyph index is invalid.");
CHECK_MESSAGE(font_file->get_glyph_index(2, 0x5555, 0) == 0, "Glyph index is invalid.");
CHECK_MESSAGE(font_file->get_glyph_index(2, 0x2901, 0) == 0, "Glyph index is invalid.");
#endif
}
} // namespace TestFontfile