/* * Copyright © 2016 Igalia S.L. * * 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. * * Igalia Author(s): Frédéric Wang */ #include "hb-test.h" #include "hb-ft.h" #include "hb-ot.h" /* Unit tests for hb-ot-math.h - OpenType MATH table */ static FT_Library ft_library; static FT_Face ft_face; static hb_font_t *hb_font; static hb_face_t *hb_face; static inline void initFreeType (void) { FT_Error ft_error; if ((ft_error = FT_Init_FreeType (&ft_library))) abort(); } static inline void cleanupFreeType (void) { FT_Done_FreeType (ft_library); } static void openFont(const char* fontFile) { #if GLIB_CHECK_VERSION(2,37,2) gchar* path = g_test_build_filename(G_TEST_DIST, fontFile, NULL); #else gchar* path = g_strdup(fontFile); #endif FT_Error ft_error; if ((ft_error = FT_New_Face (ft_library, path, 0, &ft_face))) { g_free(path); abort(); } g_free(path); if ((ft_error = FT_Set_Char_Size (ft_face, 2000, 1000, 0, 0))) abort(); hb_font = hb_ft_font_create (ft_face, NULL); hb_face = hb_face_reference (hb_font_get_face (hb_font)); } static inline void closeFont (void) { hb_face_destroy (hb_face); hb_font_destroy (hb_font); FT_Done_Face (ft_face); hb_face = NULL; hb_font = NULL; ft_face = NULL; } static void test_has_data (void) { initFreeType(); openFont("fonts/MathTestFontNone.otf"); g_assert(!hb_ot_math_has_data (hb_face)); // MATH table not available closeFont(); openFont("fonts/MathTestFontEmpty.otf"); g_assert(hb_ot_math_has_data (hb_face)); // MATH table available closeFont(); hb_face = hb_face_get_empty (); hb_font = hb_font_create (hb_face); g_assert(!hb_ot_math_has_data (hb_face)); // MATH table not available hb_font = hb_font_get_empty (); hb_face = hb_font_get_face (hb_font); g_assert(!hb_ot_math_has_data (hb_face)); // MATH table not available cleanupFreeType(); } static void test_get_constant (void) { initFreeType(); openFont("fonts/MathTestFontEmpty.otf"); g_assert_cmpint(hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_DELIMITED_SUB_FORMULA_MIN_HEIGHT), ==, 0); // MathConstants not available closeFont(); openFont("fonts/MathTestFontFull.otf"); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_DELIMITED_SUB_FORMULA_MIN_HEIGHT)), ==, 100); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_DISPLAY_OPERATOR_MIN_HEIGHT)), ==, 200); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_MATH_LEADING)), ==, 300); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_AXIS_HEIGHT)), ==, 400); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_ACCENT_BASE_HEIGHT)), ==, 500); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FLATTENED_ACCENT_BASE_HEIGHT)), ==, 600); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SUBSCRIPT_SHIFT_DOWN)), ==, 700); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SUBSCRIPT_TOP_MAX)), ==, 800); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SUBSCRIPT_BASELINE_DROP_MIN)), ==, 900); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_SHIFT_UP)), ==, 1100); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_SHIFT_UP_CRAMPED)), ==, 1200); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_BOTTOM_MIN)), ==, 1300); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_BASELINE_DROP_MAX)), ==, 1400); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SUB_SUPERSCRIPT_GAP_MIN)), ==, 1500); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_BOTTOM_MAX_WITH_SUBSCRIPT)), ==, 1600); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SPACE_AFTER_SCRIPT)), ==, 3400); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_UPPER_LIMIT_GAP_MIN)), ==, 1800); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_UPPER_LIMIT_BASELINE_RISE_MIN)), ==, 1900); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_LOWER_LIMIT_GAP_MIN)), ==, 2200); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_LOWER_LIMIT_BASELINE_DROP_MIN)), ==, 2300); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_TOP_SHIFT_UP)), ==, 2400); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_TOP_DISPLAY_STYLE_SHIFT_UP)), ==, 2500); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_BOTTOM_SHIFT_DOWN)), ==, 2600); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_BOTTOM_DISPLAY_STYLE_SHIFT_DOWN)), ==, 2700); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_GAP_MIN)), ==, 2800); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_DISPLAY_STYLE_GAP_MIN)), ==, 2900); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_STRETCH_STACK_TOP_SHIFT_UP)), ==, 3000); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_STRETCH_STACK_BOTTOM_SHIFT_DOWN)), ==, 3100); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_STRETCH_STACK_GAP_ABOVE_MIN)), ==, 3200); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_STRETCH_STACK_GAP_BELOW_MIN)), ==, 3300); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_SHIFT_UP)), ==, 3400); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_DISPLAY_STYLE_SHIFT_UP)), ==, 3500); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_SHIFT_DOWN)), ==, 3600); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_DISPLAY_STYLE_SHIFT_DOWN)), ==, 3700); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_GAP_MIN)), ==, 3800); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_NUM_DISPLAY_STYLE_GAP_MIN)), ==, 3900); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_RULE_THICKNESS)), ==, 4000); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_GAP_MIN)), ==, 4100); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_DENOM_DISPLAY_STYLE_GAP_MIN)), ==, 4200); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SKEWED_FRACTION_HORIZONTAL_GAP)), ==, 8600); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SKEWED_FRACTION_VERTICAL_GAP)), ==, 4400); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_OVERBAR_VERTICAL_GAP)), ==, 4500); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_OVERBAR_RULE_THICKNESS)), ==, 4600); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_OVERBAR_EXTRA_ASCENDER)), ==, 4700); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_UNDERBAR_VERTICAL_GAP)), ==, 4800); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_UNDERBAR_RULE_THICKNESS)), ==, 4900); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_UNDERBAR_EXTRA_DESCENDER)), ==, 5000); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_VERTICAL_GAP)), ==, 5100); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_DISPLAY_STYLE_VERTICAL_GAP)), ==, 5200); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_RULE_THICKNESS)), ==, 5300); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_EXTRA_ASCENDER)), ==, 5400); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_KERN_BEFORE_DEGREE)), ==, 11000); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_KERN_AFTER_DEGREE)), ==, 11200); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN)), ==, 87); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SCRIPT_SCRIPT_PERCENT_SCALE_DOWN)), ==, 76); g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_DEGREE_BOTTOM_RAISE_PERCENT)), ==, 65); closeFont(); cleanupFreeType(); } static void test_get_glyph_italics_correction (void) { hb_codepoint_t glyph; initFreeType(); openFont("fonts/MathTestFontEmpty.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_italics_correction (hb_font, glyph), ==, 0); // MathGlyphInfo not available closeFont(); openFont("fonts/MathTestFontPartial1.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_italics_correction (hb_font, glyph), ==, 0); // MathGlyphInfo empty closeFont(); openFont("fonts/MathTestFontPartial2.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_italics_correction (hb_font, glyph), ==, 0); // MathItalicsCorrectionInfo empty closeFont(); openFont("fonts/MathTestFontFull.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_italics_correction (hb_font, glyph), ==, 0); // Glyph without italic correction. g_assert(hb_font_get_glyph_from_name (hb_font, "A", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_italics_correction (hb_font, glyph), ==, 394); g_assert(hb_font_get_glyph_from_name (hb_font, "B", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_italics_correction (hb_font, glyph), ==, 300); g_assert(hb_font_get_glyph_from_name (hb_font, "C", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_italics_correction (hb_font, glyph), ==, 904); closeFont(); cleanupFreeType(); } static void test_get_glyph_top_accent_attachment (void) { hb_codepoint_t glyph; initFreeType(); openFont("fonts/MathTestFontEmpty.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 1000); // MathGlyphInfo not available closeFont(); openFont("fonts/MathTestFontPartial1.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 1000); // MathGlyphInfo empty closeFont(); openFont("fonts/MathTestFontPartial2.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 1000); // MathTopAccentAttachment empty closeFont(); openFont("fonts/MathTestFontFull.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 1000); // Glyph without top accent attachment. g_assert(hb_font_get_glyph_from_name (hb_font, "D", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 748); g_assert(hb_font_get_glyph_from_name (hb_font, "E", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 692); g_assert(hb_font_get_glyph_from_name (hb_font, "F", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 636); closeFont(); cleanupFreeType(); } static void test_is_glyph_extended_shape (void) { hb_codepoint_t glyph; initFreeType(); openFont("fonts/MathTestFontEmpty.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph)); g_assert(!hb_ot_math_is_glyph_extended_shape (hb_face, glyph)); // MathGlyphInfo not available closeFont(); openFont("fonts/MathTestFontPartial1.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph)); g_assert(!hb_ot_math_is_glyph_extended_shape (hb_face, glyph)); // MathGlyphInfo empty closeFont(); openFont("fonts/MathTestFontFull.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "G", -1, &glyph)); g_assert(!hb_ot_math_is_glyph_extended_shape (hb_face, glyph)); g_assert(hb_font_get_glyph_from_name (hb_font, "H", -1, &glyph)); g_assert(hb_ot_math_is_glyph_extended_shape (hb_face, glyph)); closeFont(); cleanupFreeType(); } static void test_get_glyph_kerning (void) { hb_codepoint_t glyph; initFreeType(); openFont("fonts/MathTestFontEmpty.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 0), ==, 0); // MathGlyphInfo not available g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_LEFT, 0), ==, 0); // MathGlyphInfo not available g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_RIGHT, 0), ==, 0); // MathGlyphInfo not available g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_LEFT, 0), ==, 0); // MathGlyphInfo not available closeFont(); openFont("fonts/MathTestFontPartial2.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 0), ==, 0); // MathKernInfo empty g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_LEFT, 0), ==, 0); // MathKernInfo empty g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_RIGHT, 0), ==, 0); // MathKernInfo empty g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_LEFT, 0), ==, 0); // MathKernInfo empty closeFont(); openFont("fonts/MathTestFontPartial3.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 0), ==, 0); // MathKernInfoRecords empty g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_LEFT, 0), ==, 0); // MathKernInfoRecords empty g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_RIGHT, 0), ==, 0); // MathKernInfoRecords empty g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_LEFT, 0), ==, 0); // MathKernInfoRecords empty closeFont(); openFont("fonts/MathTestFontFull.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "I", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 7), ==, 62); // lower than min heigth g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 14), ==, 62); // equal to min height g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 20), ==, 104); g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 23), ==, 104); g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 31), ==, 146); g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 32), ==, 146); g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 86), ==, 398); // equal to max height g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 91), ==, 440); // larger than max height g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 96), ==, 440); // larger than max height g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 39), ==, 188); // top right g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_LEFT, 39), ==, 110); // top left g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_RIGHT, 39), ==, 44); // bottom right g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_LEFT, 39), ==, 100); // bottom left closeFont(); cleanupFreeType(); } static hb_position_t get_glyph_assembly_italics_correction (hb_font_t *font, hb_codepoint_t glyph, hb_bool_t horizontal) { hb_position_t corr; hb_ot_math_get_glyph_assembly (font, glyph, horizontal ? HB_DIRECTION_LTR : HB_DIRECTION_TTB, 0, NULL, NULL, &corr); return corr; } static void test_get_glyph_assembly_italics_correction (void) { hb_codepoint_t glyph; initFreeType(); openFont("fonts/MathTestFontEmpty.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph)); g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, TRUE), ==, 0); // MathVariants not available g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, FALSE), ==, 0); // MathVariants not available closeFont(); openFont("fonts/MathTestFontPartial1.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph)); g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, TRUE), ==, 0); // VertGlyphCoverage and HorizGlyphCoverage absent g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, FALSE), ==, 0); // VertGlyphCoverage and HorizGlyphCoverage absent closeFont(); openFont("fonts/MathTestFontPartial2.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph)); g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, TRUE), ==, 0); // VertGlyphCoverage and HorizGlyphCoverage empty g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, FALSE), ==, 0); // VertGlyphCoverage and HorizGlyphCoverage empty closeFont(); openFont("fonts/MathTestFontPartial3.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph)); g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, TRUE), ==, 0); // HorizGlyphConstruction and VertGlyphConstruction empty g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, FALSE), ==, 0); // HorizGlyphConstruction and VertGlyphConstruction empty closeFont(); openFont("fonts/MathTestFontPartial4.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph)); g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, TRUE), ==, 0); g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, FALSE), ==, 0); closeFont(); openFont("fonts/MathTestFontFull.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "arrowleft", -1, &glyph)); g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, TRUE), ==, 248); g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, FALSE), ==, 0); g_assert(hb_font_get_glyph_from_name (hb_font, "arrowup", -1, &glyph)); g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, TRUE), ==, 0); g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, FALSE), ==, 662); closeFont(); cleanupFreeType(); } static void test_get_min_connector_overlap (void) { initFreeType(); openFont("fonts/MathTestFontEmpty.otf"); g_assert_cmpint(hb_ot_math_get_min_connector_overlap(hb_font, FALSE), ==, 0); // MathVariants not available g_assert_cmpint(hb_ot_math_get_min_connector_overlap(hb_font, TRUE), ==, 0); // MathVariants not available closeFont(); openFont("fonts/MathTestFontPartial1.otf"); g_assert_cmpint(hb_ot_math_get_min_connector_overlap(hb_font, HB_DIRECTION_LTR), ==, 108); g_assert_cmpint(hb_ot_math_get_min_connector_overlap(hb_font, HB_DIRECTION_TTB), ==, 54); closeFont(); cleanupFreeType(); } static void test_get_glyph_variants (void) { hb_codepoint_t glyph; hb_ot_math_glyph_variant_t variants[20]; unsigned variantsSize = sizeof (variants) / sizeof (variants[0]); unsigned int count; unsigned int offset = 0; initFreeType(); openFont("fonts/MathTestFontEmpty.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL), ==, 0); g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL), ==, 0); closeFont(); openFont("fonts/MathTestFontPartial1.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL), ==, 0); g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL), ==, 0); closeFont(); openFont("fonts/MathTestFontPartial2.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL), ==, 0); g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL), ==, 0); closeFont(); openFont("fonts/MathTestFontPartial3.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL), ==, 0); g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL), ==, 0); closeFont(); openFont("fonts/MathTestFontPartial4.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL), ==, 0); g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL), ==, 0); closeFont(); openFont("fonts/MathTestFontFull.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "arrowleft", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL), ==, 0); g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL), ==, 3); g_assert(hb_font_get_glyph_from_name (hb_font, "arrowup", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL), ==, 4); g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL), ==, 0); g_assert(hb_font_get_glyph_from_name (hb_font, "arrowleft", -1, &glyph)); do { count = variantsSize; hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_RTL, offset, &count, variants); offset += count; } while (count == variantsSize); g_assert_cmpint(offset, ==, 3); g_assert(hb_font_get_glyph_from_name (hb_font, "uni2190_size2", -1, &glyph)); g_assert_cmpint(variants[0].glyph, ==, glyph); g_assert_cmpint(variants[0].advance, ==, 4302); g_assert(hb_font_get_glyph_from_name (hb_font, "uni2190_size3", -1, &glyph)); g_assert_cmpint(variants[1].glyph, ==, glyph); g_assert_cmpint(variants[1].advance, ==, 4802); g_assert(hb_font_get_glyph_from_name (hb_font, "uni2190_size4", -1, &glyph)); g_assert_cmpint(variants[2].glyph, ==, glyph); g_assert_cmpint(variants[2].advance, ==, 5802); g_assert(hb_font_get_glyph_from_name (hb_font, "arrowup", -1, &glyph)); offset = 0; do { count = variantsSize; hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_BTT, offset, &count, variants); offset += count; } while (count == variantsSize); g_assert_cmpint(offset, ==, 4); g_assert(hb_font_get_glyph_from_name (hb_font, "uni2191_size2", -1, &glyph)); g_assert_cmpint(variants[0].glyph, ==, glyph); g_assert_cmpint(variants[0].advance, ==, 2251); g_assert(hb_font_get_glyph_from_name (hb_font, "uni2191_size3", -1, &glyph)); g_assert_cmpint(variants[1].glyph, ==, glyph); g_assert_cmpint(variants[1].advance, ==, 2501); g_assert(hb_font_get_glyph_from_name (hb_font, "uni2191_size4", -1, &glyph)); g_assert_cmpint(variants[2].glyph, ==, glyph); g_assert_cmpint(variants[2].advance, ==, 3001); g_assert(hb_font_get_glyph_from_name (hb_font, "uni2191_size5", -1, &glyph)); g_assert_cmpint(variants[3].glyph, ==, glyph); g_assert_cmpint(variants[3].advance, ==, 3751); closeFont(); cleanupFreeType(); } static void test_get_glyph_assembly (void) { hb_codepoint_t glyph; hb_ot_math_glyph_part_t parts[20]; unsigned partsSize = sizeof (parts) / sizeof (parts[0]); unsigned int count; unsigned int offset = 0; initFreeType(); openFont("fonts/MathTestFontEmpty.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL, NULL), ==, 0); g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL, NULL), ==, 0); closeFont(); openFont("fonts/MathTestFontPartial1.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL, NULL), ==, 0); g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL, NULL), ==, 0); closeFont(); openFont("fonts/MathTestFontPartial2.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL, NULL), ==, 0); g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL, NULL), ==, 0); closeFont(); openFont("fonts/MathTestFontPartial3.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL, NULL), ==, 0); g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL, NULL), ==, 0); closeFont(); openFont("fonts/MathTestFontPartial4.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL, NULL), ==, 0); g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL, NULL), ==, 0); closeFont(); openFont("fonts/MathTestFontFull.otf"); g_assert(hb_font_get_glyph_from_name (hb_font, "arrowright", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL, NULL), ==, 0); g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL, NULL), ==, 3); g_assert(hb_font_get_glyph_from_name (hb_font, "arrowdown", -1, &glyph)); g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL, NULL), ==, 5); g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL, NULL), ==, 0); g_assert(hb_font_get_glyph_from_name (hb_font, "arrowright", -1, &glyph)); do { count = partsSize; hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_RTL, offset, &count, parts, NULL); offset += count; } while (count == partsSize); g_assert_cmpint(offset, ==, 3); g_assert(hb_font_get_glyph_from_name (hb_font, "left", -1, &glyph)); g_assert_cmpint(parts[0].glyph, ==, glyph); g_assert_cmpint(parts[0].start_connector_length, ==, 800); g_assert_cmpint(parts[0].end_connector_length, ==, 384); g_assert_cmpint(parts[0].full_advance, ==, 2000); g_assert(!(parts[0].flags & HB_MATH_GLYPH_PART_FLAG_EXTENDER)); g_assert(hb_font_get_glyph_from_name (hb_font, "horizontal", -1, &glyph)); g_assert_cmpint(parts[1].glyph, ==, glyph); g_assert_cmpint(parts[1].start_connector_length, ==, 524); g_assert_cmpint(parts[1].end_connector_length, ==, 800); g_assert_cmpint(parts[1].full_advance, ==, 2000); g_assert(parts[1].flags & HB_MATH_GLYPH_PART_FLAG_EXTENDER); g_assert(hb_font_get_glyph_from_name (hb_font, "right", -1, &glyph)); g_assert_cmpint(parts[2].glyph, ==, glyph); g_assert_cmpint(parts[2].start_connector_length, ==, 316); g_assert_cmpint(parts[2].end_connector_length, ==, 454); g_assert_cmpint(parts[2].full_advance, ==, 2000); g_assert(!(parts[2].flags & HB_MATH_GLYPH_PART_FLAG_EXTENDER)); g_assert(hb_font_get_glyph_from_name (hb_font, "arrowdown", -1, &glyph)); offset = 0; do { count = partsSize; hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_BTT, offset, &count, parts, NULL); offset += count; } while (count == partsSize); g_assert_cmpint(offset, ==, 5); g_assert(hb_font_get_glyph_from_name (hb_font, "bottom", -1, &glyph)); g_assert_cmpint(parts[0].glyph, ==, glyph); g_assert_cmpint(parts[0].start_connector_length, ==, 365); g_assert_cmpint(parts[0].end_connector_length, ==, 158); g_assert_cmpint(parts[0].full_advance, ==, 1000); g_assert(!(parts[0].flags & HB_MATH_GLYPH_PART_FLAG_EXTENDER)); g_assert(hb_font_get_glyph_from_name (hb_font, "vertical", -1, &glyph)); g_assert_cmpint(parts[1].glyph, ==, glyph); g_assert_cmpint(parts[1].glyph, ==, glyph); g_assert_cmpint(parts[1].start_connector_length, ==, 227); g_assert_cmpint(parts[1].end_connector_length, ==, 365); g_assert_cmpint(parts[1].full_advance, ==, 1000); g_assert(parts[1].flags & HB_MATH_GLYPH_PART_FLAG_EXTENDER); g_assert(hb_font_get_glyph_from_name (hb_font, "center", -1, &glyph)); g_assert_cmpint(parts[2].glyph, ==, glyph); g_assert_cmpint(parts[2].start_connector_length, ==, 54); g_assert_cmpint(parts[2].end_connector_length, ==, 158); g_assert_cmpint(parts[2].full_advance, ==, 1000); g_assert(!(parts[2].flags & HB_MATH_GLYPH_PART_FLAG_EXTENDER)); g_assert(hb_font_get_glyph_from_name (hb_font, "vertical", -1, &glyph)); g_assert_cmpint(parts[3].glyph, ==, glyph); g_assert_cmpint(parts[3].glyph, ==, glyph); g_assert_cmpint(parts[3].glyph, ==, glyph); g_assert_cmpint(parts[3].start_connector_length, ==, 400); g_assert_cmpint(parts[3].end_connector_length, ==, 296); g_assert_cmpint(parts[3].full_advance, ==, 1000); g_assert(parts[1].flags & HB_MATH_GLYPH_PART_FLAG_EXTENDER); g_assert(hb_font_get_glyph_from_name (hb_font, "top", -1, &glyph)); g_assert_cmpint(parts[4].glyph, ==, glyph); g_assert_cmpint(parts[4].start_connector_length, ==, 123); g_assert_cmpint(parts[4].end_connector_length, ==, 192); g_assert_cmpint(parts[4].full_advance, ==, 1000); g_assert(!(parts[4].flags & HB_MATH_GLYPH_PART_FLAG_EXTENDER)); closeFont(); cleanupFreeType(); } int main (int argc, char **argv) { hb_test_init (&argc, &argv); hb_test_add (test_has_data); hb_test_add (test_get_constant); hb_test_add (test_get_glyph_italics_correction); hb_test_add (test_get_glyph_top_accent_attachment); hb_test_add (test_is_glyph_extended_shape); hb_test_add (test_get_glyph_kerning); hb_test_add (test_get_glyph_assembly_italics_correction); hb_test_add (test_get_min_connector_overlap); hb_test_add (test_get_glyph_variants); hb_test_add (test_get_glyph_assembly); return hb_test_run(); }