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 const void * const OT::_hb_NullPool[HB_NULL_POOL_SIZE / sizeof (void *)] = {}; 42 43 int 44 main (int argc, char **argv) 45 { 46 if (argc != 2) { 47 fprintf (stderr, "usage: %s font-file.ttf\n", argv[0]); 48 exit (1); 49 } 50 51 const char *font_data = nullptr; 52 int len = 0; 53 54 #ifdef HAVE_GLIB 55 GMappedFile *mf = g_mapped_file_new (argv[1], false, nullptr); 56 font_data = g_mapped_file_get_contents (mf); 57 len = g_mapped_file_get_length (mf); 58 #else 59 FILE *f = fopen (argv[1], "rb"); 60 fseek (f, 0, SEEK_END); 61 len = ftell (f); 62 fseek (f, 0, SEEK_SET); 63 font_data = (const char *) malloc (len); 64 len = fread ((char *) font_data, 1, len, f); 65 #endif 66 67 printf ("Opened font file %s: %d bytes long\n", argv[1], len); 68 69 const OpenTypeFontFile &ot = *CastP<OpenTypeFontFile> (font_data); 70 71 switch (ot.get_tag ()) { 72 case OpenTypeFontFile::TrueTypeTag: 73 printf ("OpenType font with TrueType outlines\n"); 74 break; 75 case OpenTypeFontFile::CFFTag: 76 printf ("OpenType font with CFF (Type1) outlines\n"); 77 break; 78 case OpenTypeFontFile::TTCTag: 79 printf ("TrueType Collection of OpenType fonts\n"); 80 break; 81 case OpenTypeFontFile::TrueTag: 82 printf ("Obsolete Apple TrueType font\n"); 83 break; 84 case OpenTypeFontFile::Typ1Tag: 85 printf ("Obsolete Apple Type1 font in SFNT container\n"); 86 break; 87 default: 88 printf ("Unknown font format\n"); 89 break; 90 } 91 92 int num_fonts = ot.get_face_count (); 93 printf ("%d font(s) found in file\n", num_fonts); 94 for (int n_font = 0; n_font < num_fonts; n_font++) { 95 const OpenTypeFontFace &font = ot.get_face (n_font); 96 printf ("Font %d of %d:\n", n_font, num_fonts); 97 98 int num_tables = font.get_table_count (); 99 printf (" %d table(s) found in font\n", num_tables); 100 for (int n_table = 0; n_table < num_tables; n_table++) { 101 const OpenTypeTable &table = font.get_table (n_table); 102 printf (" Table %2d of %2d: %.4s (0x%08x+0x%08x)\n", n_table, num_tables, 103 (const char *)table.tag, 104 (unsigned int) table.offset, 105 (unsigned int) table.length); 106 107 switch (table.tag) { 108 109 case HB_OT_TAG_GSUB: 110 case HB_OT_TAG_GPOS: 111 { 112 113 const GSUBGPOS &g = *CastP<GSUBGPOS> (font_data + table.offset); 114 115 int num_scripts = g.get_script_count (); 116 printf (" %d script(s) found in table\n", num_scripts); 117 for (int n_script = 0; n_script < num_scripts; n_script++) { 118 const Script &script = g.get_script (n_script); 119 printf (" Script %2d of %2d: %.4s\n", n_script, num_scripts, 120 (const char *)g.get_script_tag(n_script)); 121 122 if (!script.has_default_lang_sys()) 123 printf (" No default language system\n"); 124 int num_langsys = script.get_lang_sys_count (); 125 printf (" %d language system(s) found in script\n", num_langsys); 126 for (int n_langsys = script.has_default_lang_sys() ? -1 : 0; n_langsys < num_langsys; n_langsys++) { 127 const LangSys &langsys = n_langsys == -1 128 ? script.get_default_lang_sys () 129 : script.get_lang_sys (n_langsys); 130 if (n_langsys == -1) 131 printf (" Default Language System\n"); 132 else 133 printf (" Language System %2d of %2d: %.4s\n", n_langsys, num_langsys, 134 (const char *)script.get_lang_sys_tag (n_langsys)); 135 if (!langsys.has_required_feature ()) 136 printf (" No required feature\n"); 137 else 138 printf (" Required feature index: %d\n", 139 langsys.get_required_feature_index ()); 140 141 int num_features = langsys.get_feature_count (); 142 printf (" %d feature(s) found in language system\n", num_features); 143 for (int n_feature = 0; n_feature < num_features; n_feature++) { 144 printf (" Feature index %2d of %2d: %d\n", n_feature, num_features, 145 langsys.get_feature_index (n_feature)); 146 } 147 } 148 } 149 150 int num_features = g.get_feature_count (); 151 printf (" %d feature(s) found in table\n", num_features); 152 for (int n_feature = 0; n_feature < num_features; n_feature++) { 153 const Feature &feature = g.get_feature (n_feature); 154 int num_lookups = feature.get_lookup_count (); 155 printf (" Feature %2d of %2d: %c%c%c%c\n", n_feature, num_features, 156 HB_UNTAG(g.get_feature_tag(n_feature))); 157 158 printf (" %d lookup(s) found in feature\n", num_lookups); 159 for (int n_lookup = 0; n_lookup < num_lookups; n_lookup++) { 160 printf (" Lookup index %2d of %2d: %d\n", n_lookup, num_lookups, 161 feature.get_lookup_index (n_lookup)); 162 } 163 } 164 165 int num_lookups = g.get_lookup_count (); 166 printf (" %d lookup(s) found in table\n", num_lookups); 167 for (int n_lookup = 0; n_lookup < num_lookups; n_lookup++) { 168 const Lookup &lookup = g.get_lookup (n_lookup); 169 printf (" Lookup %2d of %2d: type %d, props 0x%04X\n", n_lookup, num_lookups, 170 lookup.get_type(), lookup.get_props()); 171 } 172 173 } 174 break; 175 176 case GDEF::tableTag: 177 { 178 179 const GDEF &gdef = *CastP<GDEF> (font_data + table.offset); 180 181 printf (" Has %sglyph classes\n", 182 gdef.has_glyph_classes () ? "" : "no "); 183 printf (" Has %smark attachment types\n", 184 gdef.has_mark_attachment_types () ? "" : "no "); 185 printf (" Has %sattach points\n", 186 gdef.has_attach_points () ? "" : "no "); 187 printf (" Has %slig carets\n", 188 gdef.has_lig_carets () ? "" : "no "); 189 printf (" Has %smark sets\n", 190 gdef.has_mark_sets () ? "" : "no "); 191 break; 192 } 193 } 194 } 195 } 196 197 return 0; 198 } 199 200 201
