main.cc revision 0594a2448440208efa0acac9a5d8d52d43108289 
1/*
2 * Copyright © 2007,2008,2009  Red Hat, 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 */
26
27#include "hb-mutex-private.hh"
28#include "hb-open-file-private.hh"
29#include "hb-ot-layout-gdef-table.hh"
30#include "hb-ot-layout-gsubgpos-private.hh"
31
32#ifdef HAVE_GLIB
33#include <glib.h>
34#endif
35#include <stdlib.h>
36#include <stdio.h>
37
38
39
40int
41main (int argc, char **argv)
42{
43  if (argc != 2) {
44    fprintf (stderr, "usage: %s font-file.ttf\n", argv[0]);
45    exit (1);
46  }
47
48  const char *font_data = NULL;
49  int len = 0;
50
51#ifdef HAVE_GLIB
52  GMappedFile *mf = g_mapped_file_new (argv[1], false, NULL);
53  font_data = g_mapped_file_get_contents (mf);
54  len = g_mapped_file_get_length (mf);
55#else
56  FILE *f = fopen (argv[1], "rb");
57  fseek (f, 0, SEEK_END);
58  len = ftell (f);
59  fseek (f, 0, SEEK_SET);
60  font_data = (const char *) malloc (len);
61  len = fread ((char *) font_data, 1, len, f);
62#endif
63
64  printf ("Opened font file %s: %d bytes long\n", argv[1], len);
65
66  const OpenTypeFontFile &ot = *CastP<OpenTypeFontFile> (font_data);
67
68  switch (ot.get_tag ()) {
69  case OpenTypeFontFile::TrueTypeTag:
70    printf ("OpenType font with TrueType outlines\n");
71    break;
72  case OpenTypeFontFile::CFFTag:
73    printf ("OpenType font with CFF (Type1) outlines\n");
74    break;
75  case OpenTypeFontFile::TTCTag:
76    printf ("TrueType Collection of OpenType fonts\n");
77    break;
78  case OpenTypeFontFile::TrueTag:
79    printf ("Obsolete Apple TrueType font\n");
80    break;
81  case OpenTypeFontFile::Typ1Tag:
82    printf ("Obsolete Apple Type1 font in SFNT container\n");
83    break;
84  default:
85    printf ("Unknown font format\n");
86    break;
87  }
88
89  int num_fonts = ot.get_face_count ();
90  printf ("%d font(s) found in file\n", num_fonts);
91  for (int n_font = 0; n_font < num_fonts; n_font++) {
92    const OpenTypeFontFace &font = ot.get_face (n_font);
93    printf ("Font %d of %d:\n", n_font, num_fonts);
94
95    int num_tables = font.get_table_count ();
96    printf ("  %d table(s) found in font\n", num_tables);
97    for (int n_table = 0; n_table < num_tables; n_table++) {
98      const OpenTypeTable &table = font.get_table (n_table);
99      printf ("  Table %2d of %2d: %.4s (0x%08x+0x%08x)\n", n_table, num_tables,
100	      (const char *)table.tag,
101	      (unsigned int) table.offset,
102	      (unsigned int) table.length);
103
104      switch (table.tag) {
105
106      case GSUBGPOS::GSUBTag:
107      case GSUBGPOS::GPOSTag:
108	{
109
110	const GSUBGPOS &g = *CastP<GSUBGPOS> (font_data + table.offset);
111
112	int num_scripts = g.get_script_count ();
113	printf ("    %d script(s) found in table\n", num_scripts);
114	for (int n_script = 0; n_script < num_scripts; n_script++) {
115	  const Script &script = g.get_script (n_script);
116	  printf ("    Script %2d of %2d: %.4s\n", n_script, num_scripts,
117	          (const char *)g.get_script_tag(n_script));
118
119	  if (!script.has_default_lang_sys())
120	    printf ("      No default language system\n");
121	  int num_langsys = script.get_lang_sys_count ();
122	  printf ("      %d language system(s) found in script\n", num_langsys);
123	  for (int n_langsys = script.has_default_lang_sys() ? -1 : 0; n_langsys < num_langsys; n_langsys++) {
124	    const LangSys &langsys = n_langsys == -1
125				   ? script.get_default_lang_sys ()
126				   : script.get_lang_sys (n_langsys);
127	    if (n_langsys == -1)
128	      printf ("      Default Language System\n");
129	    else
130	      printf ("      Language System %2d of %2d: %.4s\n", n_langsys, num_langsys,
131		      (const char *)script.get_lang_sys_tag (n_langsys));
132	    if (langsys.get_required_feature_index () == Index::NOT_FOUND_INDEX)
133	      printf ("        No required feature\n");
134
135	    int num_features = langsys.get_feature_count ();
136	    printf ("        %d feature(s) found in language system\n", num_features);
137	    for (int n_feature = 0; n_feature < num_features; n_feature++) {
138	      printf ("        Feature index %2d of %2d: %d\n", n_feature, num_features,
139	              langsys.get_feature_index (n_feature));
140	    }
141	  }
142	}
143
144	int num_features = g.get_feature_count ();
145	printf ("    %d feature(s) found in table\n", num_features);
146	for (int n_feature = 0; n_feature < num_features; n_feature++) {
147	  const Feature &feature = g.get_feature (n_feature);
148	  printf ("    Feature %2d of %2d: %.4s; %d lookup(s)\n", n_feature, num_features,
149	          (const char *)g.get_feature_tag(n_feature),
150		  feature.get_lookup_count());
151
152	  int num_lookups = feature.get_lookup_count ();
153	  printf ("        %d lookup(s) found in feature\n", num_lookups);
154	  for (int n_lookup = 0; n_lookup < num_lookups; n_lookup++) {
155	    printf ("        Lookup index %2d of %2d: %d\n", n_lookup, num_lookups,
156	            feature.get_lookup_index (n_lookup));
157	  }
158	}
159
160	int num_lookups = g.get_lookup_count ();
161	printf ("    %d lookup(s) found in table\n", num_lookups);
162	for (int n_lookup = 0; n_lookup < num_lookups; n_lookup++) {
163	  const Lookup &lookup = g.get_lookup (n_lookup);
164	  printf ("    Lookup %2d of %2d: type %d, props 0x%04X\n", n_lookup, num_lookups,
165	          lookup.get_type(), lookup.get_props());
166	}
167
168	}
169	break;
170
171      case GDEF::Tag:
172	{
173
174	const GDEF &gdef = *CastP<GDEF> (font_data + table.offset);
175
176	printf ("    Has %sglyph classes\n",
177		  gdef.has_glyph_classes () ? "" : "no ");
178	printf ("    Has %smark attachment types\n",
179		  gdef.has_mark_attachment_types () ? "" : "no ");
180	printf ("    Has %sattach points\n",
181		  gdef.has_attach_points () ? "" : "no ");
182	printf ("    Has %slig carets\n",
183		  gdef.has_lig_carets () ? "" : "no ");
184	printf ("    Has %smark sets\n",
185		  gdef.has_mark_sets () ? "" : "no ");
186	break;
187	}
188      }
189    }
190  }
191
192  return 0;
193}
194
195
196