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 using namespace OT; 40 41 42 int 43 main (int argc, char **argv) 44 { 45 if (argc != 2) { 46 fprintf (stderr, "usage: %s font-file.ttf\n", argv[0]); 47 exit (1); 48 } 49 50 const char *font_data = NULL; 51 int len = 0; 52 53 #ifdef HAVE_GLIB 54 GMappedFile *mf = g_mapped_file_new (argv[1], false, NULL); 55 font_data = g_mapped_file_get_contents (mf); 56 len = g_mapped_file_get_length (mf); 57 #else 58 FILE *f = fopen (argv[1], "rb"); 59 fseek (f, 0, SEEK_END); 60 len = ftell (f); 61 fseek (f, 0, SEEK_SET); 62 font_data = (const char *) malloc (len); 63 len = fread ((char *) font_data, 1, len, f); 64 #endif 65 66 printf ("Opened font file %s: %d bytes long\n", argv[1], len); 67 68 const OpenTypeFontFile &ot = *CastP<OpenTypeFontFile> (font_data); 69 70 switch (ot.get_tag ()) { 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 default: 87 printf ("Unknown font format\n"); 88 break; 89 } 90 91 int num_fonts = ot.get_face_count (); 92 printf ("%d font(s) found in file\n", num_fonts); 93 for (int n_font = 0; n_font < num_fonts; n_font++) { 94 const OpenTypeFontFace &font = ot.get_face (n_font); 95 printf ("Font %d of %d:\n", n_font, num_fonts); 96 97 int num_tables = font.get_table_count (); 98 printf (" %d table(s) found in font\n", num_tables); 99 for (int n_table = 0; n_table < num_tables; n_table++) { 100 const OpenTypeTable &table = font.get_table (n_table); 101 printf (" Table %2d of %2d: %.4s (0x%08x+0x%08x)\n", n_table, num_tables, 102 (const char *)table.tag, 103 (unsigned int) table.offset, 104 (unsigned int) table.length); 105 106 switch (table.tag) { 107 108 case GSUBGPOS::GSUBTag: 109 case GSUBGPOS::GPOSTag: 110 { 111 112 const GSUBGPOS &g = *CastP<GSUBGPOS> (font_data + table.offset); 113 114 int num_scripts = g.get_script_count (); 115 printf (" %d script(s) found in table\n", num_scripts); 116 for (int n_script = 0; n_script < num_scripts; n_script++) { 117 const Script &script = g.get_script (n_script); 118 printf (" Script %2d of %2d: %.4s\n", n_script, num_scripts, 119 (const char *)g.get_script_tag(n_script)); 120 121 if (!script.has_default_lang_sys()) 122 printf (" No default language system\n"); 123 int num_langsys = script.get_lang_sys_count (); 124 printf (" %d language system(s) found in script\n", num_langsys); 125 for (int n_langsys = script.has_default_lang_sys() ? -1 : 0; n_langsys < num_langsys; n_langsys++) { 126 const LangSys &langsys = n_langsys == -1 127 ? script.get_default_lang_sys () 128 : script.get_lang_sys (n_langsys); 129 if (n_langsys == -1) 130 printf (" Default Language System\n"); 131 else 132 printf (" Language System %2d of %2d: %.4s\n", n_langsys, num_langsys, 133 (const char *)script.get_lang_sys_tag (n_langsys)); 134 if (!langsys.has_required_feature ()) 135 printf (" No required feature\n"); 136 else 137 printf (" Required feature index: %d\n", 138 langsys.get_required_feature_index ()); 139 140 int num_features = langsys.get_feature_count (); 141 printf (" %d feature(s) found in language system\n", num_features); 142 for (int n_feature = 0; n_feature < num_features; n_feature++) { 143 printf (" Feature index %2d of %2d: %d\n", n_feature, num_features, 144 langsys.get_feature_index (n_feature)); 145 } 146 } 147 } 148 149 int num_features = g.get_feature_count (); 150 printf (" %d feature(s) found in table\n", num_features); 151 for (int n_feature = 0; n_feature < num_features; n_feature++) { 152 const Feature &feature = g.get_feature (n_feature); 153 int num_lookups = feature.get_lookup_count (); 154 printf (" Feature %2d of %2d: %c%c%c%c\n", n_feature, num_features, 155 HB_UNTAG(g.get_feature_tag(n_feature))); 156 157 printf (" %d lookup(s) found in feature\n", num_lookups); 158 for (int n_lookup = 0; n_lookup < num_lookups; n_lookup++) { 159 printf (" Lookup index %2d of %2d: %d\n", n_lookup, num_lookups, 160 feature.get_lookup_index (n_lookup)); 161 } 162 } 163 164 int num_lookups = g.get_lookup_count (); 165 printf (" %d lookup(s) found in table\n", num_lookups); 166 for (int n_lookup = 0; n_lookup < num_lookups; n_lookup++) { 167 const Lookup &lookup = g.get_lookup (n_lookup); 168 printf (" Lookup %2d of %2d: type %d, props 0x%04X\n", n_lookup, num_lookups, 169 lookup.get_type(), lookup.get_props()); 170 } 171 172 } 173 break; 174 175 case GDEF::tableTag: 176 { 177 178 const GDEF &gdef = *CastP<GDEF> (font_data + table.offset); 179 180 printf (" Has %sglyph classes\n", 181 gdef.has_glyph_classes () ? "" : "no "); 182 printf (" Has %smark attachment types\n", 183 gdef.has_mark_attachment_types () ? "" : "no "); 184 printf (" Has %sattach points\n", 185 gdef.has_attach_points () ? "" : "no "); 186 printf (" Has %slig carets\n", 187 gdef.has_lig_carets () ? "" : "no "); 188 printf (" Has %smark sets\n", 189 gdef.has_mark_sets () ? "" : "no "); 190 break; 191 } 192 } 193 } 194 } 195 196 return 0; 197 } 198 199 200
