HarfBuzz text shaping engine
http://harfbuzz.github.io/
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231 lines
6.9 KiB
231 lines
6.9 KiB
/* |
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* Copyright © 2018 Adobe Inc. |
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* |
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* This is part of HarfBuzz, a text shaping library. |
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* |
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* Permission is hereby granted, without written agreement and without |
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* license or royalty fees, to use, copy, modify, and distribute this |
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* software and its documentation for any purpose, provided that the |
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* above copyright notice and the following two paragraphs appear in |
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* all copies of this software. |
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* |
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR |
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN |
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
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* DAMAGE. |
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* |
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, |
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO |
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
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* |
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* Adobe Author(s): Michiharu Ariza |
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*/ |
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#include "hb-test.h" |
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#include <hb-ot.h> |
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/* Unit tests for CFF/CFF2 glyph extents */ |
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static void |
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test_extents_cff1 (void) |
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{ |
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hb_face_t *face = hb_test_open_font_file ("fonts/SourceSansPro-Regular.abc.otf"); |
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g_assert (face); |
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hb_font_t *font = hb_font_create (face); |
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hb_face_destroy (face); |
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g_assert (font); |
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hb_ot_font_set_funcs (font); |
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hb_glyph_extents_t extents; |
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hb_bool_t result = hb_font_get_glyph_extents (font, 1, &extents); |
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g_assert (result); |
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g_assert_cmpint (extents.x_bearing, ==, 52); |
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g_assert_cmpint (extents.y_bearing, ==, 498); |
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g_assert_cmpint (extents.width, ==, 381); |
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g_assert_cmpint (extents.height, ==, -510); |
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hb_font_destroy (font); |
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hb_face_t *face_j = hb_test_open_font_file ("fonts/SourceHanSans-Regular.41,3041,4C2E.otf"); |
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g_assert (face_j); |
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hb_font_t *font_j = hb_font_create (face_j); |
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hb_face_destroy (face_j); |
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g_assert (font_j); |
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hb_ot_font_set_funcs (font_j); |
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hb_bool_t result_j = hb_font_get_glyph_extents (font_j, 3, &extents); |
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g_assert (result_j); |
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g_assert_cmpint (extents.x_bearing, ==, 34); |
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g_assert_cmpint (extents.y_bearing, ==, 840); |
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g_assert_cmpint (extents.width, ==, 920); |
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g_assert_cmpint (extents.height, ==, -907); |
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hb_font_destroy (font_j); |
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} |
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static void |
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test_extents_cff1_flex (void) |
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{ |
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hb_face_t *face = hb_test_open_font_file ("fonts/cff1_flex.otf"); |
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g_assert (face); |
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hb_font_t *font = hb_font_create (face); |
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hb_face_destroy (face); |
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g_assert (font); |
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hb_ot_font_set_funcs (font); |
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hb_glyph_extents_t extents; |
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hb_bool_t result = hb_font_get_glyph_extents (font, 1, &extents); |
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g_assert (result); |
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g_assert_cmpint (extents.x_bearing, ==, -20); |
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g_assert_cmpint (extents.y_bearing, ==, 520); |
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g_assert_cmpint (extents.width, ==, 540); |
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g_assert_cmpint (extents.height, ==, -540); |
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hb_font_destroy (font); |
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} |
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static void |
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test_extents_cff1_seac (void) |
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{ |
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hb_face_t *face = hb_test_open_font_file ("fonts/cff1_seac.otf"); |
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g_assert (face); |
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hb_font_t *font = hb_font_create (face); |
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hb_face_destroy (face); |
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g_assert (font); |
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hb_ot_font_set_funcs (font); |
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hb_glyph_extents_t extents; |
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hb_bool_t result = hb_font_get_glyph_extents (font, 3, &extents); /* Agrave */ |
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g_assert (result); |
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g_assert_cmpint (extents.x_bearing, ==, 3); |
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g_assert_cmpint (extents.y_bearing, ==, 861); |
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g_assert_cmpint (extents.width, ==, 538); |
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g_assert_cmpint (extents.height, ==, -861); |
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result = hb_font_get_glyph_extents (font, 4, &extents); /* Udieresis */ |
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g_assert (result); |
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g_assert_cmpint (extents.x_bearing, ==, 87); |
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g_assert_cmpint (extents.y_bearing, ==, 827); |
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g_assert_cmpint (extents.width, ==, 471); |
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g_assert_cmpint (extents.height, ==, -839); |
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hb_font_destroy (font); |
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} |
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static void |
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test_extents_cff2 (void) |
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{ |
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hb_face_t *face = hb_test_open_font_file ("fonts/AdobeVFPrototype.abc.otf"); |
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g_assert (face); |
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hb_font_t *font = hb_font_create (face); |
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hb_face_destroy (face); |
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g_assert (font); |
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hb_ot_font_set_funcs (font); |
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hb_glyph_extents_t extents; |
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hb_bool_t result = hb_font_get_glyph_extents (font, 1, &extents); |
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g_assert (result); |
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g_assert_cmpint (extents.x_bearing, ==, 46); |
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g_assert_cmpint (extents.y_bearing, ==, 487); |
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g_assert_cmpint (extents.width, ==, 455); |
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g_assert_cmpint (extents.height, ==, -500); |
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float coords[2] = { 600.0f, 50.0f }; |
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hb_font_set_var_coords_design (font, coords, 2); |
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result = hb_font_get_glyph_extents (font, 1, &extents); |
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g_assert (result); |
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g_assert_cmpint (extents.x_bearing, ==, 38); |
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g_assert_cmpint (extents.y_bearing, ==, 493); |
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g_assert_cmpint (extents.width, ==, 480); |
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g_assert_cmpint (extents.height, ==, -507); |
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hb_font_destroy (font); |
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} |
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static void |
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test_extents_cff2_vsindex (void) |
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{ |
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hb_face_t *face = hb_test_open_font_file ("fonts/AdobeVFPrototype_vsindex.otf"); |
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g_assert (face); |
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hb_font_t *font = hb_font_create (face); |
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hb_face_destroy (face); |
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g_assert (font); |
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hb_ot_font_set_funcs (font); |
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hb_glyph_extents_t extents; |
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float coords[2] = { 800.0f, 50.0f }; |
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hb_font_set_var_coords_design (font, coords, 2); |
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hb_bool_t result = hb_font_get_glyph_extents (font, 1, &extents); |
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g_assert (result); |
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g_assert_cmpint (extents.x_bearing, ==, 12); |
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g_assert_cmpint (extents.y_bearing, ==, 655); |
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g_assert_cmpint (extents.width, ==, 651); |
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g_assert_cmpint (extents.height, ==, -655); |
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result = hb_font_get_glyph_extents (font, 2, &extents); |
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g_assert (result); |
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g_assert_cmpint (extents.x_bearing, ==, 8); |
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g_assert_cmpint (extents.y_bearing, ==, 669); |
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g_assert_cmpint (extents.width, ==, 648); |
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g_assert_cmpint (extents.height, ==, -669); |
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hb_font_destroy (font); |
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} |
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static void |
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test_extents_cff2_vsindex_named_instance (void) |
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{ |
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hb_face_t *face = hb_test_open_font_file ("fonts/AdobeVFPrototype_vsindex.otf"); |
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g_assert (face); |
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hb_font_t *font = hb_font_create (face); |
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hb_face_destroy (face); |
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g_assert (font); |
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hb_ot_font_set_funcs (font); |
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hb_font_set_var_named_instance (font, 6); // 6 (BlackMediumContrast): 900, 50 |
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hb_glyph_extents_t extents; |
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hb_bool_t result = hb_font_get_glyph_extents (font, 1, &extents); |
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g_assert (result); |
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g_assert_cmpint (extents.x_bearing, ==, 13); |
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g_assert_cmpint (extents.y_bearing, ==, 652); |
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g_assert_cmpint (extents.width, ==, 652); |
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g_assert_cmpint (extents.height, ==, -652); |
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result = hb_font_get_glyph_extents (font, 2, &extents); |
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g_assert (result); |
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g_assert_cmpint (extents.x_bearing, ==, 6); |
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g_assert_cmpint (extents.y_bearing, ==, 675); |
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g_assert_cmpint (extents.width, ==, 647); |
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g_assert_cmpint (extents.height, ==, -675); |
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hb_font_destroy (font); |
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} |
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int |
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main (int argc, char **argv) |
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{ |
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hb_test_init (&argc, &argv); |
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hb_test_add (test_extents_cff1); |
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hb_test_add (test_extents_cff1_flex); |
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hb_test_add (test_extents_cff1_seac); |
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hb_test_add (test_extents_cff2); |
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hb_test_add (test_extents_cff2_vsindex); |
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hb_test_add (test_extents_cff2_vsindex_named_instance); |
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return hb_test_run (); |
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}
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