test-buffer-serialize.cc revision c2e0dbddbe15c98d52c4786dac06cb8952a8ae6d 
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#endif
39#include <stdlib.h>
40#include <stdio.h>
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\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  hb_face_t *face = hb_face_create (blob, 0 /* first face */);
85  hb_blob_destroy (blob);
86  blob = NULL;
87
88  unsigned int upem = hb_face_get_upem (face);
89  hb_font_t *font = hb_font_create (face);
90  hb_face_destroy (face);
91  hb_font_set_scale (font, upem, upem);
92#ifdef HAVE_FREETYPE
93  hb_ft_font_set_funcs (font);
94#endif
95
96  hb_buffer_t *buf;
97  buf = hb_buffer_create ();
98
99  bool ret = true;
100  char line[BUFSIZ], out[BUFSIZ];
101  while (fgets (line, sizeof(line), stdin) != 0)
102  {
103    hb_buffer_clear_contents (buf);
104
105    const char *p = line;
106    while (hb_buffer_deserialize_glyphs (buf,
107					 p, -1, &p,
108					 font,
109					 HB_BUFFER_SERIALIZE_FORMAT_JSON))
110      ;
111    if (*p && *p != '\n')
112      ret = false;
113
114    hb_buffer_serialize_glyphs (buf, 0, hb_buffer_get_length (buf),
115				out, sizeof (out), NULL,
116				font, HB_BUFFER_SERIALIZE_FORMAT_JSON,
117				HB_BUFFER_SERIALIZE_FLAGS_DEFAULT);
118    puts (out);
119  }
120
121  hb_buffer_destroy (buf);
122
123  hb_font_destroy (font);
124
125  return !ret;
126}
127