1 /*
2 * Copyright © 2010,2011 Google, Inc.
3 *
4 * This is part of HarfBuzz, a text shaping library.
5 *
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.
11 *
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
16 * DAMAGE.
17 *
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.
23 *
24 * Google Author(s): Behdad Esfahbod
25 */
26
27 #include "hb.hh"
28
29 #ifdef HAVE_FREETYPE
30 #include "hb-ft.h"
31 #endif
32
33 #ifdef HB_NO_OPEN
34 #define hb_blob_create_from_file(x) hb_blob_get_empty ()
35 #endif
36
37 int
main(int argc,char ** argv)38 main (int argc, char **argv)
39 {
40 if (argc != 2) {
41 fprintf (stderr, "usage: %s font-file.ttf\n", argv[0]);
42 exit (1);
43 }
44
45 hb_blob_t *blob = hb_blob_create_from_file (argv[1]);
46 printf ("Opened font file %s: %u bytes long\n", argv[1], hb_blob_get_length (blob));
47
48 /* Create the face */
49 hb_face_t *face = hb_face_create (blob, 0 /* first face */);
50 hb_blob_destroy (blob);
51 blob = nullptr;
52 unsigned int upem = hb_face_get_upem (face);
53
54 hb_font_t *font = hb_font_create (face);
55 hb_font_set_scale (font, upem, upem);
56
57 #ifdef HAVE_FREETYPE
58 hb_ft_font_set_funcs (font);
59 #endif
60
61 hb_buffer_t *buffer = hb_buffer_create ();
62
63 hb_buffer_add_utf8 (buffer, "\xe0\xa4\x95\xe0\xa5\x8d\xe0\xa4\xb0\xe0\xa5\x8d\xe0\xa4\x95", -1, 0, -1);
64 hb_buffer_guess_segment_properties (buffer);
65
66 hb_shape (font, buffer, nullptr, 0);
67
68 unsigned int count = hb_buffer_get_length (buffer);
69 hb_glyph_info_t *infos = hb_buffer_get_glyph_infos (buffer, nullptr);
70 hb_glyph_position_t *positions = hb_buffer_get_glyph_positions (buffer, nullptr);
71
72 for (unsigned int i = 0; i < count; i++)
73 {
74 hb_glyph_info_t *info = &infos[i];
75 hb_glyph_position_t *pos = &positions[i];
76
77 printf ("cluster %d glyph 0x%x at (%d,%d)+(%d,%d)\n",
78 info->cluster,
79 info->codepoint,
80 pos->x_offset,
81 pos->y_offset,
82 pos->x_advance,
83 pos->y_advance);
84
85 }
86
87 hb_buffer_destroy (buffer);
88 hb_font_destroy (font);
89 hb_face_destroy (face);
90
91 return 0;
92 }
93
94
95