135 lines
4.2 KiB
C
135 lines
4.2 KiB
C
/*
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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_color_v1 (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 COLRv1 glyphs with a ClipBox, as well as plain
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* glyphs with no COLR paint. Extents resolve from COLR when the glyph
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* has a paint, and otherwise fall back to the glyph outline. So glyph 0
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* (.notdef), which has an outline, reports its outline extents, while
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* the empty glyph 1 (.space) reports 0,0,0,0.
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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 == 51 &&
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extents.y_bearing == 950 &&
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extents.width == 410 &&
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extents.height == -1200);
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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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static void
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test_glyph_extents_color_v0 (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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/*
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* This font contains a COLRv0 glyph with an empty default glyph
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* to make sure we are getting extents from the COLRv0 layers.
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*/
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face = hb_test_open_font_file ("fonts/COLRv0.extents.ttf");
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font = hb_font_create (face);
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ret = hb_font_get_glyph_extents (font, 13, &extents);
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g_assert_true (ret);
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g_assert_true (extents.x_bearing == 192 &&
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extents.y_bearing == 573 &&
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extents.width == 731 &&
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extents.height == -758);
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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_color_v1);
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hb_test_add (test_glyph_extents_color_v0);
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return hb_test_run();
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}
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