harfbuzz/test/api/test-ot-nameid.c

101 lines
2.9 KiB
C

/*
* Copyright © 2018 Ebrahim Byagowi
*
* 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.
*
*/
#include <hb.h>
#include <hb-ot.h>
#include <glib.h>
static const char *font_path = "fonts/cv01.otf";
int
main (int argc, char **argv)
{
g_test_init (&argc, &argv, NULL);
#if GLIB_CHECK_VERSION(2,37,2)
gchar *default_path = g_test_build_filename (G_TEST_DIST, font_path, NULL);
#else
gchar *default_path = g_strdup (font_path);
#endif
hb_blob_t *blob;
hb_face_t *face;
hb_font_t *font;
char *path = argc > 1 && *argv[1] ? argv[1] : (char *) default_path;
blob = hb_blob_create_from_file (path);
if (hb_blob_get_length (blob) == 0)
g_error ("Font not found.");
face = hb_face_create (blob, 0);
font = hb_font_create (face);
hb_tag_t cv01 = HB_TAG ('c','v','0','1');
unsigned int feature_index;
if (!hb_ot_layout_language_find_feature (face,
HB_OT_TAG_GSUB,
0,
HB_OT_LAYOUT_DEFAULT_LANGUAGE_INDEX,
cv01,
&feature_index))
g_error ("Failed to find feature index");
hb_name_id_t label_id;
hb_name_id_t tooltip_id;
hb_name_id_t sample_id;
unsigned int num_named_parameters;
hb_name_id_t first_param_id;
if (!hb_ot_layout_feature_get_name_ids (face, HB_OT_TAG_GSUB, feature_index,
&label_id, &tooltip_id, &sample_id,
&num_named_parameters, &first_param_id))
g_error ("Failed to get name ids");
g_assert (label_id == 256);
g_assert (tooltip_id == 257);
g_assert (sample_id == 258);
g_assert (num_named_parameters == 2);
g_assert (first_param_id == 259);
hb_codepoint_t characters[100];
unsigned int char_count = 100;
unsigned int all_chars;
all_chars = hb_ot_layout_feature_get_characters (face, HB_OT_TAG_GSUB, feature_index,
0, &char_count, characters);
g_assert (all_chars == 2);
g_assert (char_count == 2);
g_assert (characters[0] == 10);
g_assert (characters[1] == 24030);
hb_font_destroy (font);
hb_face_destroy (face);
hb_blob_destroy (blob);
g_free (default_path);
return 0;
}