Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
godotengine
GitHub Repository: godotengine/godot
 Path: blob/master/tests/scene/test_fontfile.cpp
45991 views
1
/**************************************************************************/

2
/*  test_fontfile.cpp                                                     */

3
/**************************************************************************/

4
/*                         This file is part of:                          */

5
/*                             GODOT ENGINE                               */

6
/*                        https://godotengine.org                         */

7
/**************************************************************************/

8
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */

9
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */

10
/*                                                                        */

11
/* Permission is hereby granted, free of charge, to any person obtaining  */

12
/* a copy of this software and associated documentation files (the        */

13
/* "Software"), to deal in the Software without restriction, including    */

14
/* without limitation the rights to use, copy, modify, merge, publish,    */

15
/* distribute, sublicense, and/or sell copies of the Software, and to     */

16
/* permit persons to whom the Software is furnished to do so, subject to  */

17
/* the following conditions:                                              */

18
/*                                                                        */

19
/* The above copyright notice and this permission notice shall be         */

20
/* included in all copies or substantial portions of the Software.        */

21
/*                                                                        */

22
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */

23
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */

24
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */

25
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */

26
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */

27
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */

28
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */

29
/**************************************************************************/

30


31
#include "tests/test_macros.h"

32


33
TEST_FORCE_LINK(test_fontfile)

34


35
#include "scene/resources/font.h"

36


37
#include "modules/modules_enabled.gen.h" // For freetype.

38


39
namespace TestFontFile {

40


41
TEST_CASE("[FontFile] Load Dynamic Font - getters") {

42
#ifdef MODULE_FREETYPE_ENABLED

43
	String test_dynamic_font = "thirdparty/fonts/NotoSansHebrew_Regular.woff2";

44
	Ref<FontFile> ff;

45
	ff.instantiate();

46
	CHECK(ff->load_dynamic_font(test_dynamic_font) == OK);

47


48
	// These properties come from the font file itself.

49
	CHECK(ff->get_font_name() == "Noto Sans Hebrew");

50
	CHECK(ff->get_font_style_name() == "Regular");

51
	CHECK(ff->get_font_weight() == 400);

52
	CHECK(ff->get_font_stretch() == 100);

53
	CHECK(ff->get_opentype_features() == Dictionary());

54


55
	Dictionary expected_ot_name_strings;

56
	Dictionary en_dict;

57
	en_dict["copyright"] = "Copyright 2024 The Noto Project Authors (https://github.com/notofonts/hebrew)";

58
	en_dict["family_name"] = "Noto Sans Hebrew";

59
	en_dict["subfamily_name"] = "Regular";

60
	en_dict["unique_identifier"] = "3.001;GOOG;NotoSansHebrew-Regular";

61
	en_dict["full_name"] = "Noto Sans Hebrew Regular";

62
	en_dict["version"] = "Version 3.001";

63
	en_dict["postscript_name"] = "NotoSansHebrew-Regular";

64
	en_dict["trademark"] = "Noto is a trademark of Google Inc.";

65
	en_dict["manufacturer"] = "Google LLC";

66
	en_dict["designer"] = "Ben Nathan";

67
	en_dict["description"] = "Designed by Ben Nathan";

68
	en_dict["vendor_url"] = "http://www.google.com/get/noto/";

69
	en_dict["designer_url"] = "https://hafontia.com/";

70
	en_dict["license"] = "This Font Software is licensed under the SIL Open Font License, Version 1.1. This Font Software is distributed on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the SIL Open Font License for the specific language, permissions and limitations governing your use of this Font Software.";

71
	en_dict["license_url"] = "http://scripts.sil.org/OFL";

72
	expected_ot_name_strings["en"] = en_dict;

73
	CHECK(ff->get_ot_name_strings() == expected_ot_name_strings);

74


75
	// These are dependent on size and potentially other state. Act as regression tests based of arbitrary small size 10 and large size 100.

76
	CHECK(ff->get_height(10) == doctest::Approx((real_t)14));

77
	CHECK(ff->get_ascent(10) == doctest::Approx((real_t)11));

78
	CHECK(ff->get_descent(10) == doctest::Approx((real_t)3));

79
	CHECK(ff->get_underline_position(10) == doctest::Approx((real_t)1.25));

80
	CHECK(ff->get_underline_thickness(10) == doctest::Approx((real_t)0.5));

81
	CHECK(ff->get_height(100) == doctest::Approx((real_t)137));

82
	CHECK(ff->get_ascent(100) == doctest::Approx((real_t)107));

83
	CHECK(ff->get_descent(100) == doctest::Approx((real_t)30));

84
	CHECK(ff->get_underline_position(100) == doctest::Approx((real_t)12.5));

85
	CHECK(ff->get_underline_thickness(100) == doctest::Approx((real_t)5));

86
#endif

87
}

88


89
TEST_CASE("[FontFile] Create font file and check data") {

90
	// Create test instance.

91
	Ref<FontFile> font_file;

92
	font_file.instantiate();

93


94
#ifdef MODULE_FREETYPE_ENABLED

95
	// Try to load non-existent files.

96
	ERR_PRINT_OFF

97
	CHECK(font_file->load_dynamic_font("") == OK);

98
	CHECK_MESSAGE(font_file->get_data().is_empty() == true, "Invalid fontfile should not be loaded.");

99


100
	CHECK(font_file->load_dynamic_font("thirdparty/fonts/nofonthasthisname.woff2") == OK);

101
	CHECK_MESSAGE(font_file->get_data().is_empty() == true, "Invalid fontfile should not be loaded.");

102
	ERR_PRINT_ON

103


104
	// Load a valid file.

105
	CHECK(font_file->load_dynamic_font("thirdparty/fonts/Inter_Regular.woff2") == OK);

106


107
	// Check fontfile data.

108
	CHECK_MESSAGE(font_file->get_data().is_empty() == false, "Fontfile should have been loaded.");

109
	CHECK_MESSAGE(font_file->get_font_name() == "Inter", "Loaded correct font name.");

110
	CHECK_MESSAGE(font_file->get_font_style_name() == "Regular", "Loaded correct font style.");

111
	CHECK_MESSAGE(font_file->get_data().size() == 111268llu, "Whole fontfile was loaded.");

112


113
	// Valid glyphs.

114
	CHECK_MESSAGE(font_file->get_glyph_index(2, 'a', 0) != 0, "Glyph index for 'a' is valid.");

115
	CHECK_MESSAGE(font_file->get_glyph_index(2, 'b', 0) != 0, "Glyph index for 'b' is valid.");

116
	CHECK_MESSAGE(font_file->get_glyph_index(2, 0x0103, 0) != 0, "Glyph index for 'latin small letter a with breve' is valid.");

117
	CHECK_MESSAGE(font_file->get_glyph_index(2, 0x03a8, 0) != 0, "Glyph index for 'Greek psi' is valid.");

118
	CHECK_MESSAGE(font_file->get_glyph_index(2, 0x0416, 0) != 0, "Glyph index for 'Cyrillic zhe' is valid.");

119
	CHECK_MESSAGE(font_file->get_glyph_index(2, '&', 0) != 0, "Glyph index for '&' is valid.");

120


121
	// Invalid glyphs.

122
	CHECK_MESSAGE(font_file->get_glyph_index(2, 0x4416, 0) == 0, "Glyph index is invalid.");

123
	CHECK_MESSAGE(font_file->get_glyph_index(2, 0x5555, 0) == 0, "Glyph index is invalid.");

124
	CHECK_MESSAGE(font_file->get_glyph_index(2, 0x2901, 0) == 0, "Glyph index is invalid.");

125
#endif

126
}

127


128
} // namespace TestFontFile

129


130