HarfBuzz text shaping engine
http://harfbuzz.github.io/
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123 lines
3.5 KiB
123 lines
3.5 KiB
/* |
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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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size_t 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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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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buffer = (char *) calloc (file_length + 1, sizeof(char)); |
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if (fread (buffer, 1, file_length, fp) == file_length) { |
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*length = file_length; |
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} else { |
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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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return NULL; |
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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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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 (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 *glyf_expected_blob = hb_face_reference_table (expected, table); |
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hb_blob_t *glyf_actual_blob = hb_face_reference_table (actual, table); |
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int expected_length, actual_length; |
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g_assert_cmpmem(hb_blob_get_data (glyf_expected_blob, &expected_length), expected_length, |
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hb_blob_get_data (glyf_actual_blob, &actual_length), actual_length); |
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hb_blob_destroy (glyf_actual_blob); |
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hb_blob_destroy (glyf_expected_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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