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 #ifdef HAVE_CONFIG_H
28 #include "config.h"
29 #endif
30
31 #include "hb.h"
32 #include "hb-ot.h"
33
34 #ifdef HAVE_GLIB
35 # include <glib.h>
36 # if !GLIB_CHECK_VERSION (2, 22, 0)
37 # define g_mapped_file_unref g_mapped_file_free
38 # endif
39 #endif
40 #include <stdlib.h>
41 #include <stdio.h>
42
43 #ifdef HAVE_FREETYPE
44 #include "hb-ft.h"
45 #endif
46
47 int
main(int argc,char ** argv)48 main (int argc, char **argv)
49 {
50 hb_blob_t *blob = NULL;
51
52 if (argc != 4 && argc != 5) {
53 fprintf (stderr, "usage: %s font-file lookup-index first-glyph [second-glyph]\n", argv[0]);
54 exit (1);
55 }
56
57 /* Create the blob */
58 {
59 const char *font_data;
60 unsigned int len;
61 hb_destroy_func_t destroy;
62 void *user_data;
63 hb_memory_mode_t mm;
64
65 #ifdef HAVE_GLIB
66 GMappedFile *mf = g_mapped_file_new (argv[1], false, NULL);
67 font_data = g_mapped_file_get_contents (mf);
68 len = g_mapped_file_get_length (mf);
69 destroy = (hb_destroy_func_t) g_mapped_file_unref;
70 user_data = (void *) mf;
71 mm = HB_MEMORY_MODE_READONLY_MAY_MAKE_WRITABLE;
72 #else
73 FILE *f = fopen (argv[1], "rb");
74 fseek (f, 0, SEEK_END);
75 len = ftell (f);
76 fseek (f, 0, SEEK_SET);
77 font_data = (const char *) malloc (len);
78 if (!font_data) len = 0;
79 len = fread ((char *) font_data, 1, len, f);
80 destroy = free;
81 user_data = (void *) font_data;
82 fclose (f);
83 mm = HB_MEMORY_MODE_WRITABLE;
84 #endif
85
86 blob = hb_blob_create (font_data, len, mm, user_data, destroy);
87 }
88
89 /* Create the face */
90 hb_face_t *face = hb_face_create (blob, 0 /* first face */);
91 hb_blob_destroy (blob);
92 blob = NULL;
93
94 hb_font_t *font = hb_font_create (face);
95 #ifdef HAVE_FREETYPE
96 hb_ft_font_set_funcs (font);
97 #endif
98
99 unsigned int len = argc - 3;
100 hb_codepoint_t glyphs[2];
101 if (!hb_font_glyph_from_string (font, argv[3], -1, &glyphs[0]) ||
102 (argc > 4 &&
103 !hb_font_glyph_from_string (font, argv[4], -1, &glyphs[1])))
104 return 2;
105 return !hb_ot_layout_lookup_would_substitute (face, strtol (argv[2], NULL, 0), glyphs, len, false);
106 }
107