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 #ifdef HB_NO_OPEN
42 #define hb_blob_create_from_file(x) hb_blob_get_empty ()
43 #endif
44
45 int
main(int argc,char ** argv)46 main (int argc, char **argv)
47 {
48 if (argc != 2)
49 {
50 fprintf (stderr, "usage: %s font-file.ttf\n", argv[0]);
51 exit (1);
52 }
53
54 hb_blob_t *blob = hb_blob_create_from_file (argv[1]);
55 unsigned int len;
56 const char *font_data = hb_blob_get_data (blob, &len);
57 printf ("Opened font file %s: %d bytes long\n", argv[1], len);
58
59 hb_blob_t *font_blob = hb_sanitize_context_t().sanitize_blob<OpenTypeFontFile> (blob);
60 const OpenTypeFontFile* sanitized = font_blob->as<OpenTypeFontFile> ();
61 if (!font_blob->data)
62 {
63 printf ("Sanitization of the file wasn't successful. Exit");
64 return 1;
65 }
66 const OpenTypeFontFile& ot = *sanitized;
67
68
69 switch (ot.get_tag ())
70 {
71 case OpenTypeFontFile::TrueTypeTag:
72 printf ("OpenType font with TrueType outlines\n");
73 break;
74 case OpenTypeFontFile::CFFTag:
75 printf ("OpenType font with CFF (Type1) outlines\n");
76 break;
77 case OpenTypeFontFile::TTCTag:
78 printf ("TrueType Collection of OpenType fonts\n");
79 break;
80 case OpenTypeFontFile::TrueTag:
81 printf ("Obsolete Apple TrueType font\n");
82 break;
83 case OpenTypeFontFile::Typ1Tag:
84 printf ("Obsolete Apple Type1 font in SFNT container\n");
85 break;
86 case OpenTypeFontFile::DFontTag:
87 printf ("DFont Mac Resource Fork\n");
88 break;
89 default:
90 printf ("Unknown font format\n");
91 break;
92 }
93
94 int num_fonts = ot.get_face_count ();
95 printf ("%d font(s) found in file\n", num_fonts);
96 for (int n_font = 0; n_font < num_fonts; n_font++)
97 {
98 const OpenTypeFontFace &font = ot.get_face (n_font);
99 printf ("Font %d of %d:\n", n_font, num_fonts);
100
101 int num_tables = font.get_table_count ();
102 printf (" %d table(s) found in font\n", num_tables);
103 for (int n_table = 0; n_table < num_tables; n_table++)
104 {
105 const OpenTypeTable &table = font.get_table (n_table);
106 printf (" Table %2d of %2d: %.4s (0x%08x+0x%08x)\n", n_table, num_tables,
107 (const char *) table.tag,
108 (unsigned int) table.offset,
109 (unsigned int) table.length);
110
111 switch (table.tag)
112 {
113
114 case HB_OT_TAG_GSUB:
115 case HB_OT_TAG_GPOS:
116 {
117
118 const GSUBGPOS &g = *CastP<GSUBGPOS> (font_data + table.offset);
119
120 int num_scripts = g.get_script_count ();
121 printf (" %d script(s) found in table\n", num_scripts);
122 for (int n_script = 0; n_script < num_scripts; n_script++)
123 {
124 const Script &script = g.get_script (n_script);
125 printf (" Script %2d of %2d: %.4s\n", n_script, num_scripts,
126 (const char *)g.get_script_tag(n_script));
127
128 if (!script.has_default_lang_sys())
129 printf (" No default language system\n");
130 int num_langsys = script.get_lang_sys_count ();
131 printf (" %d language system(s) found in script\n", num_langsys);
132 for (int n_langsys = script.has_default_lang_sys() ? -1 : 0; n_langsys < num_langsys; n_langsys++) {
133 const LangSys &langsys = n_langsys == -1
134 ? script.get_default_lang_sys ()
135 : script.get_lang_sys (n_langsys);
136 if (n_langsys == -1)
137 printf (" Default Language System\n");
138 else
139 printf (" Language System %2d of %2d: %.4s\n", n_langsys, num_langsys,
140 (const char *)script.get_lang_sys_tag (n_langsys));
141 if (!langsys.has_required_feature ())
142 printf (" No required feature\n");
143 else
144 printf (" Required feature index: %d\n",
145 langsys.get_required_feature_index ());
146
147 int num_features = langsys.get_feature_count ();
148 printf (" %d feature(s) found in language system\n", num_features);
149 for (int n_feature = 0; n_feature < num_features; n_feature++)
150 {
151 printf (" Feature index %2d of %2d: %d\n", n_feature, num_features,
152 langsys.get_feature_index (n_feature));
153 }
154 }
155 }
156
157 int num_features = g.get_feature_count ();
158 printf (" %d feature(s) found in table\n", num_features);
159 for (int n_feature = 0; n_feature < num_features; n_feature++)
160 {
161 const Feature &feature = g.get_feature (n_feature);
162 int num_lookups = feature.get_lookup_count ();
163 printf (" Feature %2d of %2d: %c%c%c%c\n", n_feature, num_features,
164 HB_UNTAG(g.get_feature_tag(n_feature)));
165
166 printf (" %d lookup(s) found in feature\n", num_lookups);
167 for (int n_lookup = 0; n_lookup < num_lookups; n_lookup++) {
168 printf (" Lookup index %2d of %2d: %d\n", n_lookup, num_lookups,
169 feature.get_lookup_index (n_lookup));
170 }
171 }
172
173 int num_lookups = g.get_lookup_count ();
174 printf (" %d lookup(s) found in table\n", num_lookups);
175 for (int n_lookup = 0; n_lookup < num_lookups; n_lookup++)
176 {
177 const Lookup &lookup = g.get_lookup (n_lookup);
178 printf (" Lookup %2d of %2d: type %d, props 0x%04X\n", n_lookup, num_lookups,
179 lookup.get_type(), lookup.get_props());
180 }
181
182 }
183 break;
184
185 case GDEF::tableTag:
186 {
187
188 const GDEF &gdef = *CastP<GDEF> (font_data + table.offset);
189
190 printf (" Has %sglyph classes\n",
191 gdef.has_glyph_classes () ? "" : "no ");
192 printf (" Has %smark attachment types\n",
193 gdef.has_mark_attachment_types () ? "" : "no ");
194 printf (" Has %sattach points\n",
195 gdef.has_attach_points () ? "" : "no ");
196 printf (" Has %slig carets\n",
197 gdef.has_lig_carets () ? "" : "no ");
198 printf (" Has %smark sets\n",
199 gdef.has_mark_sets () ? "" : "no ");
200 break;
201 }
202 }
203 }
204 }
205
206 return 0;
207 }
208