harfbuzz/test/api/test-ot-extents-cff.c

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/*
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* Copyright © 2018 Adobe Inc.
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*
* 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 CFF/CFF2 glyph extents */
static void
test_extents_cff1 (void)
{
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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);
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, 1, &extents);
g_assert (result);
g_assert_cmpint (extents.x_bearing, ==, 52);
g_assert_cmpint (extents.y_bearing, ==, 498);
g_assert_cmpint (extents.width, ==, 381);
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");
g_assert (face_j);
hb_font_t *font_j = hb_font_create (face_j);
hb_face_destroy (face_j);
g_assert (font_j);
hb_ot_font_set_funcs (font_j);
hb_bool_t result_j = hb_font_get_glyph_extents (font_j, 3, &extents);
g_assert (result_j);
g_assert_cmpint (extents.x_bearing, ==, 34);
g_assert_cmpint (extents.y_bearing, ==, 840);
g_assert_cmpint (extents.width, ==, 920);
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
test_extents_cff1_flex (void)
{
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hb_face_t *face = hb_test_open_font_file ("fonts/cff1_flex.otf");
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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, 1, &extents);
g_assert (result);
g_assert_cmpint (extents.x_bearing, ==, -20);
g_assert_cmpint (extents.y_bearing, ==, 520);
g_assert_cmpint (extents.width, ==, 540);
g_assert_cmpint (extents.height, ==, -540);
hb_font_destroy (font);
}
static void
test_extents_cff1_seac (void)
{
hb_face_t *face = hb_test_open_font_file ("fonts/cff1_seac.otf");
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, 3, &extents); /* Agrave */
g_assert (result);
g_assert_cmpint (extents.x_bearing, ==, 3);
g_assert_cmpint (extents.y_bearing, ==, 861);
g_assert_cmpint (extents.width, ==, 538);
g_assert_cmpint (extents.height, ==, -861);
result = hb_font_get_glyph_extents (font, 4, &extents); /* Udieresis */
g_assert (result);
g_assert_cmpint (extents.x_bearing, ==, 87);
g_assert_cmpint (extents.y_bearing, ==, 827);
g_assert_cmpint (extents.width, ==, 471);
g_assert_cmpint (extents.height, ==, -839);
hb_font_destroy (font);
}
static void
test_extents_cff2 (void)
{
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hb_face_t *face = hb_test_open_font_file ("fonts/AdobeVFPrototype.abc.otf");
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, 1, &extents);
g_assert (result);
g_assert_cmpint (extents.x_bearing, ==, 46);
g_assert_cmpint (extents.y_bearing, ==, 487);
g_assert_cmpint (extents.width, ==, 455);
g_assert_cmpint (extents.height, ==, -500);
float coords[2] = { 600.0f, 50.0f };
hb_font_set_var_coords_design (font, coords, 2);
result = hb_font_get_glyph_extents (font, 1, &extents);
g_assert (result);
g_assert_cmpint (extents.x_bearing, ==, 38);
g_assert_cmpint (extents.y_bearing, ==, 493);
g_assert_cmpint (extents.width, ==, 481);
g_assert_cmpint (extents.height, ==, -508);
hb_font_destroy (font);
}
static void
test_extents_cff2_vsindex (void)
{
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hb_face_t *face = hb_test_open_font_file ("fonts/AdobeVFPrototype_vsindex.otf");
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[2] = { 800.0f, 50.0f };
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);
g_assert (result);
g_assert_cmpint (extents.x_bearing, ==, 11);
g_assert_cmpint (extents.y_bearing, ==, 656);
g_assert_cmpint (extents.width, ==, 653);
g_assert_cmpint (extents.height, ==, -656);
result = hb_font_get_glyph_extents (font, 2, &extents);
g_assert (result);
g_assert_cmpint (extents.x_bearing, ==, 7);
g_assert_cmpint (extents.y_bearing, ==, 669);
g_assert_cmpint (extents.width, ==, 650);
g_assert_cmpint (extents.height, ==, -669);
hb_font_destroy (font);
}
static void
test_extents_cff2_vsindex_named_instance (void)
{
hb_face_t *face = hb_test_open_font_file ("fonts/AdobeVFPrototype_vsindex.otf");
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_font_set_var_named_instance (font, 6); // 6 (BlackMediumContrast): 900, 50
hb_glyph_extents_t extents;
hb_bool_t result = hb_font_get_glyph_extents (font, 1, &extents);
g_assert (result);
g_assert_cmpint (extents.x_bearing, ==, 12);
g_assert_cmpint (extents.y_bearing, ==, 652);
g_assert_cmpint (extents.width, ==, 653);
g_assert_cmpint (extents.height, ==, -652);
result = hb_font_get_glyph_extents (font, 2, &extents);
g_assert (result);
g_assert_cmpint (extents.x_bearing, ==, 6);
g_assert_cmpint (extents.y_bearing, ==, 675);
g_assert_cmpint (extents.width, ==, 647);
g_assert_cmpint (extents.height, ==, -675);
hb_font_destroy (font);
}
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int
main (int argc, char **argv)
{
hb_test_init (&argc, &argv);
hb_test_add (test_extents_cff1);
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hb_test_add (test_extents_cff1_flex);
hb_test_add (test_extents_cff1_seac);
hb_test_add (test_extents_cff2);
hb_test_add (test_extents_cff2_vsindex);
hb_test_add (test_extents_cff2_vsindex_named_instance);
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return hb_test_run ();
}