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-static.cc"
28 #include "hb-open-file.hh"
29 #include "hb-ot-layout-gdef-table.hh"
30 #include "hb-ot-layout-gsubgpos.hh"
31
32 #ifdef HAVE_GLIB
33 #include <glib.h>
34 #endif
35 #include <stdlib.h>
36 #include <stdio.h>
37
38
39 using namespace OT;
40
41 int
main(int argc,char ** argv)42 main (int argc, char **argv)
43 {
44 if (argc != 2) {
45 fprintf (stderr, "usage: %s font-file.ttf\n", argv[0]);
46 exit (1);
47 }
48
49 hb_blob_t *blob = hb_blob_create_from_file (argv[1]);
50 unsigned int len;
51 const char *font_data = hb_blob_get_data (blob, &len);
52 printf ("Opened font file %s: %d bytes long\n", argv[1], len);
53
54 hb_blob_t *font_blob = hb_sanitize_context_t().sanitize_blob<OpenTypeFontFile> (blob);
55 const OpenTypeFontFile* sanitized = font_blob->as<OpenTypeFontFile> ();
56 if (!font_blob->data)
57 {
58 printf ("Sanitization of the file wasn't successful. Exit");
59 return 1;
60 }
61 const OpenTypeFontFile& ot = *sanitized;
62
63
64 switch (ot.get_tag ()) {
65 case OpenTypeFontFile::TrueTypeTag:
66 printf ("OpenType font with TrueType outlines\n");
67 break;
68 case OpenTypeFontFile::CFFTag:
69 printf ("OpenType font with CFF (Type1) outlines\n");
70 break;
71 case OpenTypeFontFile::TTCTag:
72 printf ("TrueType Collection of OpenType fonts\n");
73 break;
74 case OpenTypeFontFile::TrueTag:
75 printf ("Obsolete Apple TrueType font\n");
76 break;
77 case OpenTypeFontFile::Typ1Tag:
78 printf ("Obsolete Apple Type1 font in SFNT container\n");
79 break;
80 case OpenTypeFontFile::DFontTag:
81 printf ("DFont Mac Resource Fork\n");
82 break;
83 default:
84 printf ("Unknown font format\n");
85 break;
86 }
87
88 int num_fonts = ot.get_face_count ();
89 printf ("%d font(s) found in file\n", num_fonts);
90 for (int n_font = 0; n_font < num_fonts; n_font++) {
91 const OpenTypeFontFace &font = ot.get_face (n_font);
92 printf ("Font %d of %d:\n", n_font, num_fonts);
93
94 int num_tables = font.get_table_count ();
95 printf (" %d table(s) found in font\n", num_tables);
96 for (int n_table = 0; n_table < num_tables; n_table++) {
97 const OpenTypeTable &table = font.get_table (n_table);
98 printf (" Table %2d of %2d: %.4s (0x%08x+0x%08x)\n", n_table, num_tables,
99 (const char *) table.tag,
100 (unsigned int) table.offset,
101 (unsigned int) table.length);
102
103 switch (table.tag) {
104
105 case HB_OT_TAG_GSUB:
106 case HB_OT_TAG_GPOS:
107 {
108
109 const GSUBGPOS &g = *CastP<GSUBGPOS> (font_data + table.offset);
110
111 int num_scripts = g.get_script_count ();
112 printf (" %d script(s) found in table\n", num_scripts);
113 for (int n_script = 0; n_script < num_scripts; n_script++) {
114 const Script &script = g.get_script (n_script);
115 printf (" Script %2d of %2d: %.4s\n", n_script, num_scripts,
116 (const char *)g.get_script_tag(n_script));
117
118 if (!script.has_default_lang_sys())
119 printf (" No default language system\n");
120 int num_langsys = script.get_lang_sys_count ();
121 printf (" %d language system(s) found in script\n", num_langsys);
122 for (int n_langsys = script.has_default_lang_sys() ? -1 : 0; n_langsys < num_langsys; n_langsys++) {
123 const LangSys &langsys = n_langsys == -1
124 ? script.get_default_lang_sys ()
125 : script.get_lang_sys (n_langsys);
126 if (n_langsys == -1)
127 printf (" Default Language System\n");
128 else
129 printf (" Language System %2d of %2d: %.4s\n", n_langsys, num_langsys,
130 (const char *)script.get_lang_sys_tag (n_langsys));
131 if (!langsys.has_required_feature ())
132 printf (" No required feature\n");
133 else
134 printf (" Required feature index: %d\n",
135 langsys.get_required_feature_index ());
136
137 int num_features = langsys.get_feature_count ();
138 printf (" %d feature(s) found in language system\n", num_features);
139 for (int n_feature = 0; n_feature < num_features; n_feature++) {
140 printf (" Feature index %2d of %2d: %d\n", n_feature, num_features,
141 langsys.get_feature_index (n_feature));
142 }
143 }
144 }
145
146 int num_features = g.get_feature_count ();
147 printf (" %d feature(s) found in table\n", num_features);
148 for (int n_feature = 0; n_feature < num_features; n_feature++) {
149 const Feature &feature = g.get_feature (n_feature);
150 int num_lookups = feature.get_lookup_count ();
151 printf (" Feature %2d of %2d: %c%c%c%c\n", n_feature, num_features,
152 HB_UNTAG(g.get_feature_tag(n_feature)));
153
154 printf (" %d lookup(s) found in feature\n", num_lookups);
155 for (int n_lookup = 0; n_lookup < num_lookups; n_lookup++) {
156 printf (" Lookup index %2d of %2d: %d\n", n_lookup, num_lookups,
157 feature.get_lookup_index (n_lookup));
158 }
159 }
160
161 int num_lookups = g.get_lookup_count ();
162 printf (" %d lookup(s) found in table\n", num_lookups);
163 for (int n_lookup = 0; n_lookup < num_lookups; n_lookup++) {
164 const Lookup &lookup = g.get_lookup (n_lookup);
165 printf (" Lookup %2d of %2d: type %d, props 0x%04X\n", n_lookup, num_lookups,
166 lookup.get_type(), lookup.get_props());
167 }
168
169 }
170 break;
171
172 case GDEF::tableTag:
173 {
174
175 const GDEF &gdef = *CastP<GDEF> (font_data + table.offset);
176
177 printf (" Has %sglyph classes\n",
178 gdef.has_glyph_classes () ? "" : "no ");
179 printf (" Has %smark attachment types\n",
180 gdef.has_mark_attachment_types () ? "" : "no ");
181 printf (" Has %sattach points\n",
182 gdef.has_attach_points () ? "" : "no ");
183 printf (" Has %slig carets\n",
184 gdef.has_lig_carets () ? "" : "no ");
185 printf (" Has %smark sets\n",
186 gdef.has_mark_sets () ? "" : "no ");
187 break;
188 }
189 }
190 }
191 }
192
193 return 0;
194 }
195