test.cc revision 3ca6c4ecc299295b6682fa2b6b9f83b213223bad 
1/*
2 * Copyright © 2010  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 * Red Hat Author(s): Behdad Esfahbod
25 * Google Author(s): Behdad Esfahbod
26 */
27
28#if HAVE_CONFIG_H
29#include "config.h"
30#endif
31
32#include "hb.h"
33
34#ifdef HAVE_GLIB
35#include <glib.h>
36#endif
37#include <stdlib.h>
38#include <stdio.h>
39
40
41
42int
43main (int argc, char **argv)
44{
45  hb_blob_t *blob = NULL;
46
47  if (argc != 2) {
48    fprintf (stderr, "usage: %s font-file.ttf\n", argv[0]);
49    exit (1);
50  }
51
52  /* Create the blob */
53  {
54    const char *font_data;
55    unsigned int len;
56    hb_destroy_func_t destroy;
57    void *user_data;
58    hb_memory_mode_t mm;
59
60#ifdef HAVE_GLIB
61    GMappedFile *mf = g_mapped_file_new (argv[1], FALSE, NULL);
62    font_data = g_mapped_file_get_contents (mf);
63    len = g_mapped_file_get_length (mf);
64    destroy = (hb_destroy_func_t) g_mapped_file_unref;
65    user_data = (void *) mf;
66    mm = HB_MEMORY_MODE_READONLY_MAY_MAKE_WRITABLE;
67#else
68    FILE *f = fopen (argv[1], "rb");
69    fseek (f, 0, SEEK_END);
70    len = ftell (f);
71    fseek (f, 0, SEEK_SET);
72    font_data = (const char *) malloc (len);
73    if (!font_data) len = 0;
74    len = fread ((char *) font_data, 1, len, f);
75    destroy = free;
76    user_data = (void *) font_data;
77    fclose (f);
78    mm = HB_MEMORY_MODE_WRITABLE;
79#endif
80
81    blob = hb_blob_create (font_data, len, mm, user_data, destroy);
82  }
83
84  printf ("Opened font file %s: %u bytes long\n", argv[1], hb_blob_get_length (blob));
85
86  /* Create the face */
87  hb_face_t *face = hb_face_create (blob, 0 /* first face */);
88  hb_blob_destroy (blob);
89  blob = NULL;
90  unsigned int upem = hb_face_get_upem (face);
91
92  hb_font_t *font = hb_font_create (face);
93  hb_font_set_scale (font, upem, upem);
94
95  hb_buffer_t *buffer = hb_buffer_create (0);
96
97  hb_buffer_add_utf8 (buffer, "test", 4, 0, 4);
98
99  hb_shape (font, buffer, NULL, 0);
100
101  unsigned int count = hb_buffer_get_length (buffer);
102  hb_glyph_info_t *infos = hb_buffer_get_glyph_infos (buffer, NULL);
103  hb_glyph_position_t *positions = hb_buffer_get_glyph_positions (buffer, NULL);
104
105  for (unsigned int i = 0; i < count; i++)
106  {
107    hb_glyph_info_t *info = &infos[i];
108    hb_glyph_position_t *pos = &positions[i];
109
110    printf ("cluster %d	glyph %d at	(%d,%d)+(%d,%d)\n",
111	    info->cluster,
112	    info->codepoint,
113	    pos->x_offset,
114	    pos->x_offset,
115	    pos->x_advance,
116	    pos->y_advance);
117
118  }
119
120  hb_buffer_destroy (buffer);
121  hb_font_destroy (font);
122  hb_face_destroy (face);
123
124  return 0;
125}
126
127
128