2 * Copyright © 2010,2011 Google, Inc.
4 * This is part of HarfBuzz, a text shaping library.
6 * Permission is hereby granted, without written agreement and without
7 * license or royalty fees, to use, copy, modify, and distribute this
8 * software and its documentation for any purpose, provided that the
9 * above copyright notice and the following two paragraphs appear in
10 * all copies of this software.
12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
24 * Google Author(s): Behdad Esfahbod
44 main (int argc, char **argv)
46 hb_blob_t *blob = NULL;
49 fprintf (stderr, "usage: %s font-file.ttf\n", argv[0]);
55 const char *font_data;
57 hb_destroy_func_t destroy;
62 GMappedFile *mf = g_mapped_file_new (argv[1], false, NULL);
63 font_data = g_mapped_file_get_contents (mf);
64 len = g_mapped_file_get_length (mf);
65 destroy = (hb_destroy_func_t) g_mapped_file_unref;
66 user_data = (void *) mf;
67 mm = HB_MEMORY_MODE_READONLY_MAY_MAKE_WRITABLE;
69 FILE *f = fopen (argv[1], "rb");
70 fseek (f, 0, SEEK_END);
72 fseek (f, 0, SEEK_SET);
73 font_data = (const char *) malloc (len);
74 if (!font_data) len = 0;
75 len = fread ((char *) font_data, 1, len, f);
77 user_data = (void *) font_data;
79 mm = HB_MEMORY_MODE_WRITABLE;
82 blob = hb_blob_create (font_data, len, mm, user_data, destroy);
85 printf ("Opened font file %s: %u bytes long\n", argv[1], hb_blob_get_length (blob));
88 hb_face_t *face = hb_face_create (blob, 0 /* first face */);
89 hb_blob_destroy (blob);
91 unsigned int upem = hb_face_get_upem (face);
93 hb_font_t *font = hb_font_create (face);
94 hb_font_set_scale (font, upem, upem);
97 hb_ft_font_set_funcs (font);
100 hb_buffer_t *buffer = hb_buffer_create ();
102 hb_buffer_add_utf8 (buffer, "\xe0\xa4\x95\xe0\xa5\x8d\xe0\xa4\xb0\xe0\xa5\x8d\xe0\xa4\x95", -1, 0, -1);
104 hb_shape (font, buffer, NULL, 0);
106 unsigned int count = hb_buffer_get_length (buffer);
107 hb_glyph_info_t *infos = hb_buffer_get_glyph_infos (buffer, NULL);
108 hb_glyph_position_t *positions = hb_buffer_get_glyph_positions (buffer, NULL);
110 for (unsigned int i = 0; i < count; i++)
112 hb_glyph_info_t *info = &infos[i];
113 hb_glyph_position_t *pos = &positions[i];
115 printf ("cluster %d glyph 0x%x at (%d,%d)+(%d,%d)\n",
125 hb_buffer_destroy (buffer);
126 hb_font_destroy (font);
127 hb_face_destroy (face);