1/*
2 * Copyright © 2010,2011,2013  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#ifdef HAVE_CONFIG_H
28#include "config.h"
29#endif
30
31#include "hb.h"
32#ifdef HAVE_FREETYPE
33#include "hb-ft.h"
34#endif
35
36#ifdef HAVE_GLIB
37# include <glib.h>
38# if !GLIB_CHECK_VERSION (2, 22, 0)
39#  define g_mapped_file_unref g_mapped_file_free
40# endif
41#endif
42#include <stdlib.h>
43#include <stdio.h>
44
45int
46main (int argc, char **argv)
47{
48  hb_blob_t *blob = NULL;
49
50  if (argc != 2) {
51    fprintf (stderr, "usage: %s font-file\n", argv[0]);
52    exit (1);
53  }
54
55  /* Create the blob */
56  {
57    const char *font_data;
58    unsigned int len;
59    hb_destroy_func_t destroy;
60    void *user_data;
61    hb_memory_mode_t mm;
62
63#ifdef HAVE_GLIB
64    GMappedFile *mf = g_mapped_file_new (argv[1], false, NULL);
65    font_data = g_mapped_file_get_contents (mf);
66    len = g_mapped_file_get_length (mf);
67    destroy = (hb_destroy_func_t) g_mapped_file_unref;
68    user_data = (void *) mf;
69    mm = HB_MEMORY_MODE_READONLY_MAY_MAKE_WRITABLE;
70#else
71    FILE *f = fopen (argv[1], "rb");
72    fseek (f, 0, SEEK_END);
73    len = ftell (f);
74    fseek (f, 0, SEEK_SET);
75    font_data = (const char *) malloc (len);
76    if (!font_data) len = 0;
77    len = fread ((char *) font_data, 1, len, f);
78    destroy = free;
79    user_data = (void *) font_data;
80    fclose (f);
81    mm = HB_MEMORY_MODE_WRITABLE;
82#endif
83
84    blob = hb_blob_create (font_data, len, mm, user_data, destroy);
85  }
86
87  hb_face_t *face = hb_face_create (blob, 0 /* first face */);
88  hb_blob_destroy (blob);
89  blob = NULL;
90
91  unsigned int upem = hb_face_get_upem (face);
92  hb_font_t *font = hb_font_create (face);
93  hb_face_destroy (face);
94  hb_font_set_scale (font, upem, upem);
95#ifdef HAVE_FREETYPE
96  hb_ft_font_set_funcs (font);
97#endif
98
99  hb_buffer_t *buf;
100  buf = hb_buffer_create ();
101
102  bool ret = true;
103  char line[BUFSIZ], out[BUFSIZ];
104  while (fgets (line, sizeof(line), stdin) != 0)
105  {
106    hb_buffer_clear_contents (buf);
107
108    const char *p = line;
109    while (hb_buffer_deserialize_glyphs (buf,
110					 p, -1, &p,
111					 font,
112					 HB_BUFFER_SERIALIZE_FORMAT_JSON))
113      ;
114    if (*p && *p != '\n')
115      ret = false;
116
117    hb_buffer_serialize_glyphs (buf, 0, hb_buffer_get_length (buf),
118				out, sizeof (out), NULL,
119				font, HB_BUFFER_SERIALIZE_FORMAT_JSON,
120				HB_BUFFER_SERIALIZE_FLAG_DEFAULT);
121    puts (out);
122  }
123
124  hb_buffer_destroy (buf);
125
126  hb_font_destroy (font);
127
128  return !ret;
129}
130