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