harfbuzz/test/api/test-subset-cff2.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"
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#include "hb-subset-test.h"
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/* Unit tests for CFF2 subsetting */
static void
test_subset_cff2_noop (void)
{
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hb_face_t *face_abc = hb_test_open_font_file("fonts/AdobeVFPrototype.abc.otf");
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hb_set_t *codepoints = hb_set_create ();
hb_face_t *face_abc_subset;
hb_set_add (codepoints, 'a');
hb_set_add (codepoints, 'b');
hb_set_add (codepoints, 'c');
face_abc_subset = hb_subset_test_create_subset (face_abc, hb_subset_test_create_input (codepoints));
hb_set_destroy (codepoints);
hb_subset_test_check (face_abc, face_abc_subset, HB_TAG ('C','F','F','2'));
hb_face_destroy (face_abc_subset);
hb_face_destroy (face_abc);
}
static void
test_subset_cff2 (void)
{
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hb_face_t *face_abc = hb_test_open_font_file ("fonts/AdobeVFPrototype.abc.otf");
hb_face_t *face_ac = hb_test_open_font_file ("fonts/AdobeVFPrototype.ac.otf");
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hb_set_t *codepoints = hb_set_create ();
hb_face_t *face_abc_subset;
hb_set_add (codepoints, 'a');
hb_set_add (codepoints, 'c');
face_abc_subset = hb_subset_test_create_subset (face_abc, hb_subset_test_create_input (codepoints));
hb_set_destroy (codepoints);
hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('C','F','F','2'));
hb_face_destroy (face_abc_subset);
hb_face_destroy (face_abc);
hb_face_destroy (face_ac);
}
static void
test_subset_cff2_strip_hints (void)
{
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hb_face_t *face_abc = hb_test_open_font_file ("fonts/AdobeVFPrototype.abc.otf");
hb_face_t *face_ac = hb_test_open_font_file ("fonts/AdobeVFPrototype.ac.nohints.otf");
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hb_set_t *codepoints = hb_set_create ();
hb_subset_input_t *input;
hb_face_t *face_abc_subset;
hb_set_add (codepoints, 'a');
hb_set_add (codepoints, 'c');
input = hb_subset_test_create_input (codepoints);
hb_subset_input_set_flags (input, HB_SUBSET_FLAGS_NO_HINTING);
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face_abc_subset = hb_subset_test_create_subset (face_abc, input);
hb_set_destroy (codepoints);
hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('C', 'F', 'F', '2'));
hb_face_destroy (face_abc_subset);
hb_face_destroy (face_abc);
hb_face_destroy (face_ac);
}
static void
test_subset_cff2_desubr (void)
{
hb_face_t *face_abc = hb_test_open_font_file ("fonts/AdobeVFPrototype.abc.otf");
hb_face_t *face_ac = hb_test_open_font_file ("fonts/AdobeVFPrototype.ac.nosubrs.otf");
hb_set_t *codepoints = hb_set_create ();
hb_subset_input_t *input;
hb_face_t *face_abc_subset;
hb_set_add (codepoints, 'a');
hb_set_add (codepoints, 'c');
input = hb_subset_test_create_input (codepoints);
hb_subset_input_set_flags (input, HB_SUBSET_FLAGS_DESUBROUTINIZE);
face_abc_subset = hb_subset_test_create_subset (face_abc, input);
hb_set_destroy (codepoints);
hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('C', 'F', 'F', '2'));
hb_face_destroy (face_abc_subset);
hb_face_destroy (face_abc);
hb_face_destroy (face_ac);
}
static void
test_subset_cff2_desubr_strip_hints (void)
{
hb_face_t *face_abc = hb_test_open_font_file ("fonts/AdobeVFPrototype.abc.otf");
hb_face_t *face_ac = hb_test_open_font_file ("fonts/AdobeVFPrototype.ac.nosubrs.nohints.otf");
hb_set_t *codepoints = hb_set_create ();
hb_subset_input_t *input;
hb_face_t *face_abc_subset;
hb_set_add (codepoints, 'a');
hb_set_add (codepoints, 'c');
input = hb_subset_test_create_input (codepoints);
hb_subset_input_set_flags (input,
HB_SUBSET_FLAGS_DESUBROUTINIZE | HB_SUBSET_FLAGS_NO_HINTING);
face_abc_subset = hb_subset_test_create_subset (face_abc, input);
hb_set_destroy (codepoints);
hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('C', 'F', 'F', '2'));
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hb_face_destroy (face_abc_subset);
hb_face_destroy (face_abc);
hb_face_destroy (face_ac);
}
static void
test_subset_cff2_retaingids (void)
{
hb_face_t *face_abc = hb_test_open_font_file ("fonts/AdobeVFPrototype.abc.otf");
hb_face_t *face_ac = hb_test_open_font_file ("fonts/AdobeVFPrototype.ac.retaingids.otf");
hb_set_t *codepoints = hb_set_create ();
hb_subset_input_t *input;
hb_face_t *face_abc_subset;
hb_set_add (codepoints, 'a');
hb_set_add (codepoints, 'c');
input = hb_subset_test_create_input (codepoints);
hb_subset_input_set_flags (input, HB_SUBSET_FLAGS_RETAIN_GIDS);
face_abc_subset = hb_subset_test_create_subset (face_abc, input);
hb_set_destroy (codepoints);
hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('C', 'F', 'F', '2'));
hb_face_destroy (face_abc_subset);
hb_face_destroy (face_abc);
hb_face_destroy (face_ac);
}
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int
main (int argc, char **argv)
{
hb_test_init (&argc, &argv);
hb_test_add (test_subset_cff2_noop);
hb_test_add (test_subset_cff2);
hb_test_add (test_subset_cff2_strip_hints);
hb_test_add (test_subset_cff2_desubr);
hb_test_add (test_subset_cff2_desubr_strip_hints);
hb_test_add (test_subset_cff2_retaingids);
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return hb_test_run ();
}