| /* |
| * 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_destroy (hb_font); |
| hb_face_destroy (hb_face); |
| |
| 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 |
| hb_font_destroy (hb_font); |
| hb_face_destroy (hb_face); |
| |
| 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, HB_DIRECTION_LTR), ==, 0); // MathVariants not available |
| g_assert_cmpint(hb_ot_math_get_min_connector_overlap(hb_font, HB_DIRECTION_TTB), ==, 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_OT_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_OT_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_OT_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_OT_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_OT_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_OT_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_OT_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_OT_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(); |
| } |
