132 lines
3.5 KiB
C
132 lines
3.5 KiB
C
/*
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* Copyright © 2018 Google, 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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* Google Author(s): Garret Rieger
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*/
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#ifndef HB_SUBSET_TEST_H
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#define HB_SUBSET_TEST_H
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#include <stdio.h>
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#include "hb-test.h"
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HB_BEGIN_DECLS
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static inline char *
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hb_subset_test_read_file (const char *path,
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size_t *length /* OUT */)
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{
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FILE *fp = fopen (path, "rb");
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long file_length = 0;
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char *buffer = NULL;
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if (fp && fseek (fp, 0, SEEK_END) == 0)
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{
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file_length = ftell(fp);
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rewind (fp);
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}
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if (file_length > 0)
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{
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buffer = (char *) calloc (file_length + 1, sizeof (char));
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if (buffer && fread (buffer, 1, file_length, fp) == (size_t) file_length)
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{
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*length = file_length;
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}
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else
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{
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free (buffer);
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buffer = NULL;
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}
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}
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if (fp)
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fclose(fp);
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return buffer;
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}
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static inline hb_face_t *
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hb_subset_test_open_font (const char *font_path)
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{
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#if GLIB_CHECK_VERSION(2,37,2)
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gchar* path = g_test_build_filename(G_TEST_DIST, font_path, NULL);
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#else
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gchar* path = g_strdup(fontFile);
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#endif
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size_t length;
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char *font_data = hb_subset_test_read_file(path, &length);
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if (font_data != NULL) {
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hb_blob_t *blob = hb_blob_create (font_data,
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length,
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HB_MEMORY_MODE_READONLY,
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font_data,
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free);
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hb_face_t *face = hb_face_create (blob, 0);
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hb_blob_destroy (blob);
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return face;
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}
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g_assert (false);
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return NULL; /* Shut up, compiler! */
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}
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static inline hb_face_t *
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hb_subset_test_create_subset (hb_face_t *source,
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const hb_set_t *codepoints)
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{
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hb_subset_profile_t *profile = hb_subset_profile_create();
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hb_subset_input_t *input = hb_subset_input_create_or_fail ();
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hb_set_t * input_codepoints = hb_subset_input_unicode_set (input);
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hb_set_union (input_codepoints, codepoints);
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hb_face_t *subset = hb_subset (source, profile, input);
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g_assert (subset);
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hb_subset_profile_destroy (profile);
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hb_subset_input_destroy (input);
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return subset;
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}
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static inline void
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hb_subset_test_check (hb_face_t *expected,
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hb_face_t *actual,
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hb_tag_t table)
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{
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hb_blob_t *expected_blob = hb_face_reference_table (expected, table);
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hb_blob_t *actual_blob = hb_face_reference_table (actual, table);
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hb_test_assert_blobs_equal (expected_blob, actual_blob);
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hb_blob_destroy (expected_blob);
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hb_blob_destroy (actual_blob);
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}
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HB_END_DECLS
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#endif /* HB_SUBSET_TEST_H */
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