| /* |
| * Copyright © 2019 Adobe 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. |
| * |
| * Adobe Author(s): Michiharu Ariza |
| */ |
| |
| #include "hb-test.h" |
| #include <hb-ot.h> |
| |
| /* Unit tests for glyph advance widths and extents of TrueType variable fonts */ |
| |
| static void |
| test_extents_tt_var (void) |
| { |
| hb_face_t *face = hb_test_open_font_file ("fonts/SourceSansVariable-Roman-nohvar-41,C1.ttf"); |
| g_assert (face); |
| hb_font_t *font = hb_font_create (face); |
| hb_face_destroy (face); |
| g_assert (font); |
| hb_ot_font_set_funcs (font); |
| |
| hb_glyph_extents_t extents; |
| hb_bool_t result = hb_font_get_glyph_extents (font, 2, &extents); |
| g_assert (result); |
| |
| g_assert_cmpint (extents.x_bearing, ==, 10); |
| g_assert_cmpint (extents.y_bearing, ==, 846); |
| g_assert_cmpint (extents.width, ==, 500); |
| g_assert_cmpint (extents.height, ==, -846); |
| |
| float coords[1] = { 500.0f }; |
| hb_font_set_var_coords_design (font, coords, 1); |
| result = hb_font_get_glyph_extents (font, 2, &extents); |
| g_assert (result); |
| |
| g_assert_cmpint (extents.x_bearing, ==, 0); |
| g_assert_cmpint (extents.y_bearing, ==, 874); |
| g_assert_cmpint (extents.width, ==, 551); |
| g_assert_cmpint (extents.height, ==, -874); |
| |
| hb_font_destroy (font); |
| } |
| |
| static void |
| test_advance_tt_var_nohvar (void) |
| { |
| hb_face_t *face = hb_test_open_font_file ("fonts/SourceSansVariable-Roman-nohvar-41,C1.ttf"); |
| g_assert (face); |
| hb_font_t *font = hb_font_create (face); |
| hb_face_destroy (face); |
| g_assert (font); |
| hb_ot_font_set_funcs (font); |
| |
| hb_position_t x, y; |
| hb_font_get_glyph_advance_for_direction(font, 2, HB_DIRECTION_LTR, &x, &y); |
| |
| g_assert_cmpint (x, ==, 520); |
| g_assert_cmpint (y, ==, 0); |
| |
| hb_font_get_glyph_advance_for_direction(font, 2, HB_DIRECTION_TTB, &x, &y); |
| |
| g_assert_cmpint (x, ==, 0); |
| g_assert_cmpint (y, ==, -1000); |
| |
| float coords[1] = { 500.0f }; |
| hb_font_set_var_coords_design (font, coords, 1); |
| hb_font_get_glyph_advance_for_direction(font, 2, HB_DIRECTION_LTR, &x, &y); |
| |
| g_assert_cmpint (x, ==, 551); |
| g_assert_cmpint (y, ==, 0); |
| |
| hb_font_get_glyph_advance_for_direction(font, 2, HB_DIRECTION_TTB, &x, &y); |
| |
| g_assert_cmpint (x, ==, 0); |
| g_assert_cmpint (y, ==, -1000); |
| |
| hb_font_destroy (font); |
| } |
| |
| static void |
| test_advance_tt_var_hvarvvar (void) |
| { |
| hb_face_t *face = hb_test_open_font_file ("fonts/SourceSerifVariable-Roman-VVAR.abc.ttf"); |
| g_assert (face); |
| hb_font_t *font = hb_font_create (face); |
| hb_face_destroy (face); |
| g_assert (font); |
| hb_ot_font_set_funcs (font); |
| |
| hb_position_t x, y; |
| hb_font_get_glyph_advance_for_direction(font, 1, HB_DIRECTION_LTR, &x, &y); |
| |
| g_assert_cmpint (x, ==, 508); |
| g_assert_cmpint (y, ==, 0); |
| |
| hb_font_get_glyph_advance_for_direction(font, 1, HB_DIRECTION_TTB, &x, &y); |
| |
| g_assert_cmpint (x, ==, 0); |
| g_assert_cmpint (y, ==, -1000); |
| |
| float coords[1] = { 700.0f }; |
| hb_font_set_var_coords_design (font, coords, 1); |
| hb_font_get_glyph_advance_for_direction(font, 1, HB_DIRECTION_LTR, &x, &y); |
| |
| g_assert_cmpint (x, ==, 531); |
| g_assert_cmpint (y, ==, 0); |
| |
| hb_font_get_glyph_advance_for_direction(font, 1, HB_DIRECTION_TTB, &x, &y); |
| |
| g_assert_cmpint (x, ==, 0); |
| g_assert_cmpint (y, ==, -1012); |
| |
| hb_font_destroy (font); |
| } |
| |
| static void |
| test_advance_tt_var_anchor (void) |
| { |
| hb_face_t *face = hb_test_open_font_file ("fonts/SourceSansVariable-Roman.anchor.ttf"); |
| g_assert (face); |
| hb_font_t *font = hb_font_create (face); |
| hb_face_destroy (face); |
| g_assert (font); |
| hb_ot_font_set_funcs (font); |
| |
| hb_glyph_extents_t extents; |
| hb_bool_t result = hb_font_get_glyph_extents (font, 2, &extents); |
| g_assert (result); |
| |
| g_assert_cmpint (extents.x_bearing, ==, 56); |
| g_assert_cmpint (extents.y_bearing, ==, 672); |
| g_assert_cmpint (extents.width, ==, 556); |
| g_assert_cmpint (extents.height, ==, -684); |
| |
| float coords[1] = { 500.0f }; |
| hb_font_set_var_coords_design (font, coords, 1); |
| result = hb_font_get_glyph_extents (font, 2, &extents); |
| g_assert (result); |
| |
| g_assert_cmpint (extents.x_bearing, ==, 50); |
| g_assert_cmpint (extents.y_bearing, ==, 667); |
| g_assert_cmpint (extents.width, ==, 592); |
| g_assert_cmpint (extents.height, ==, -679); |
| |
| hb_font_destroy (font); |
| } |
| |
| static void |
| test_extents_tt_var_comp (void) |
| { |
| hb_face_t *face = hb_test_open_font_file ("fonts/SourceSansVariable-Roman.modcomp.ttf"); |
| g_assert (face); |
| hb_font_t *font = hb_font_create (face); |
| hb_face_destroy (face); |
| g_assert (font); |
| hb_ot_font_set_funcs (font); |
| |
| hb_glyph_extents_t extents; |
| float coords[1] = { 800.0f }; |
| hb_font_set_var_coords_design (font, coords, 1); |
| |
| hb_bool_t result; |
| result = hb_font_get_glyph_extents (font, 2, &extents); /* Ccedilla, cedilla y-scaled by 0.8, with unscaled component offset */ |
| g_assert (result); |
| |
| g_assert_cmpint (extents.x_bearing, ==, 19); |
| g_assert_cmpint (extents.y_bearing, ==, 663); |
| g_assert_cmpint (extents.width, ==, 519); |
| g_assert_cmpint (extents.height, ==, -895); |
| |
| result = hb_font_get_glyph_extents (font, 3, &extents); /* Cacute, acute y-scaled by 0.8, with unscaled component offset (default) */ |
| g_assert (result); |
| |
| g_assert_cmpint (extents.x_bearing, ==, 19); |
| g_assert_cmpint (extents.y_bearing, ==, 909); |
| g_assert_cmpint (extents.width, ==, 519); |
| g_assert_cmpint (extents.height, ==, -921); |
| |
| result = hb_font_get_glyph_extents (font, 4, &extents); /* Ccaron, caron y-scaled by 0.8, with scaled component offset */ |
| g_assert (result); |
| |
| g_assert_cmpint (extents.x_bearing, ==, 19); |
| g_assert_cmpint (extents.y_bearing, ==, 866); |
| g_assert_cmpint (extents.width, ==, 519); |
| g_assert_cmpint (extents.height, ==, -878); |
| |
| hb_font_destroy (font); |
| } |
| |
| static void |
| test_advance_tt_var_comp_v (void) |
| { |
| hb_face_t *face = hb_test_open_font_file ("fonts/SourceSansVariable-Roman.modcomp.ttf"); |
| g_assert (face); |
| hb_font_t *font = hb_font_create (face); |
| hb_face_destroy (face); |
| g_assert (font); |
| hb_ot_font_set_funcs (font); |
| |
| float coords[1] = { 800.0f }; |
| hb_font_set_var_coords_design (font, coords, 1); |
| |
| hb_position_t x, y; |
| hb_font_get_glyph_advance_for_direction(font, 2, HB_DIRECTION_TTB, &x, &y); /* No VVAR; 'C' in composite Ccedilla determines metrics */ |
| |
| g_assert_cmpint (x, ==, 0); |
| g_assert_cmpint (y, ==, -991); |
| |
| hb_font_get_glyph_origin_for_direction(font, 2, HB_DIRECTION_TTB, &x, &y); |
| |
| g_assert_cmpint (x, ==, 292); |
| g_assert_cmpint (y, ==, 1013); |
| |
| hb_font_destroy (font); |
| } |
| |
| static void |
| test_advance_tt_var_gvar_infer (void) |
| { |
| hb_face_t *face = hb_test_open_font_file ("fonts/TestGVAREight.ttf"); |
| hb_font_t *font = hb_font_create (face); |
| hb_ot_font_set_funcs (font); |
| hb_face_destroy (face); |
| |
| int coords[6] = {100}; |
| hb_font_set_var_coords_normalized (font, coords, 6); |
| |
| hb_glyph_extents_t extents = {0}; |
| g_assert (hb_font_get_glyph_extents (font, 4, &extents)); |
| |
| hb_font_destroy (font); |
| } |
| |
| int |
| main (int argc, char **argv) |
| { |
| hb_test_init (&argc, &argv); |
| |
| hb_test_add (test_extents_tt_var); |
| hb_test_add (test_advance_tt_var_nohvar); |
| hb_test_add (test_advance_tt_var_hvarvvar); |
| hb_test_add (test_advance_tt_var_anchor); |
| hb_test_add (test_extents_tt_var_comp); |
| hb_test_add (test_advance_tt_var_comp_v); |
| hb_test_add (test_advance_tt_var_gvar_infer); |
| |
| return hb_test_run (); |
| } |