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