HarfBuzz text shaping engine
http://harfbuzz.github.io/
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104 lines
3.3 KiB
104 lines
3.3 KiB
/* |
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* Copyright © 2023 Red Hat, 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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* Author(s): Matthias Clasen |
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*/ |
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#include "hb-test.h" |
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static void |
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test_glyph_extents (void) |
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{ |
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hb_face_t *face; |
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hb_font_t *font; |
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hb_glyph_extents_t extents; |
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hb_bool_t ret; |
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/* This font contains a COLRv1 glyph with a ClipBox, |
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* and various components without. The main thing |
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* we test here is that glyphs with no paint return |
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* 0,0,0,0 and not meaningless numbers. |
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*/ |
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face = hb_test_open_font_file ("fonts/adwaita.ttf"); |
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font = hb_font_create (face); |
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ret = hb_font_get_glyph_extents (font, 0, &extents); |
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g_assert_true (ret); |
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g_assert_true (extents.x_bearing == 0 && |
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extents.y_bearing == 0 && |
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extents.width == 0 && |
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extents.height == 0); |
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ret = hb_font_get_glyph_extents (font, 1, &extents); |
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g_assert_true (ret); |
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g_assert_true (extents.x_bearing == 0 && |
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extents.y_bearing == 0 && |
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extents.width == 0 && |
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extents.height == 0); |
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ret = hb_font_get_glyph_extents (font, 2, &extents); |
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g_assert_true (ret); |
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g_assert_true (extents.x_bearing == 180 && |
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extents.y_bearing == 960 && |
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extents.width == 1060 && |
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extents.height == -1220); |
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ret = hb_font_get_glyph_extents (font, 3, &extents); |
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g_assert_true (ret); |
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g_assert_true (extents.x_bearing == 188 && |
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extents.y_bearing == 950 && |
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extents.width == 900 && |
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extents.height == -1200); |
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ret = hb_font_get_glyph_extents (font, 4, &extents); |
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g_assert_true (ret); |
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g_assert_true (extents.x_bearing == 413 && |
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extents.y_bearing == 50 && |
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extents.width == 150 && |
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extents.height == -75); |
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ret = hb_font_get_glyph_extents (font, 5, &extents); |
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g_assert_true (ret); |
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g_assert_true (extents.x_bearing == 638 && |
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extents.y_bearing == 350 && |
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extents.width == 600 && |
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extents.height == -600); |
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ret = hb_font_get_glyph_extents (font, 1000, &extents); |
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g_assert_false (ret); |
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hb_font_destroy (font); |
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hb_face_destroy (face); |
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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_glyph_extents); |
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return hb_test_run(); |
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}
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