main.cc revision b5db4f1e4eefa266a71a28b5496f47ff9d1a81e8
1/* 2 * Copyright (C) 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#define HB_OT_LAYOUT_CC 28#include "hb-open-file-private.hh" 29#include "hb-ot-layout-gdef-private.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 38int 39main (int argc, char **argv) 40{ 41 if (argc != 2) { 42 fprintf (stderr, "usage: %s font-file.ttf\n", argv[0]); 43 exit (1); 44 } 45 46 const char *font_data = NULL; 47 int len = 0; 48 49#ifdef HAVE_GLIB 50 GMappedFile *mf = g_mapped_file_new (argv[1], FALSE, NULL); 51 font_data = g_mapped_file_get_contents (mf); 52 len = g_mapped_file_get_length (mf); 53#else 54 FILE *f = fopen (argv[1], "rb"); 55 fseek (f, 0, SEEK_END); 56 len = ftell (f); 57 fseek (f, 0, SEEK_SET); 58 font_data = (const char *) malloc (len); 59 len = fread ((char *) font_data, 1, len, f); 60#endif 61 62 printf ("Opened font file %s: %d bytes long\n", argv[1], len); 63 64 const OpenTypeFontFile &ot = *CastP<OpenTypeFontFile> (font_data); 65 66 switch (ot.get_tag ()) { 67 case OpenTypeFontFile::TrueTypeTag: 68 printf ("OpenType font with TrueType outlines\n"); 69 break; 70 case OpenTypeFontFile::CFFTag: 71 printf ("OpenType font with CFF (Type1) outlines\n"); 72 break; 73 case OpenTypeFontFile::TTCTag: 74 printf ("TrueType Collection of OpenType fonts\n"); 75 break; 76 case OpenTypeFontFile::TrueTag: 77 printf ("Obsolete Apple TrueType font\n"); 78 break; 79 case OpenTypeFontFile::Typ1Tag: 80 printf ("Obsolete Apple Type1 font in SFNT container\n"); 81 break; 82 default: 83 printf ("Unknown font format\n"); 84 break; 85 } 86 87 int num_fonts = ot.get_face_count (); 88 printf ("%d font(s) found in file\n", num_fonts); 89 for (int n_font = 0; n_font < num_fonts; n_font++) { 90 const OpenTypeFontFace &font = ot.get_face (n_font); 91 printf ("Font %d of %d:\n", n_font, num_fonts); 92 93 int num_tables = font.get_table_count (); 94 printf (" %d table(s) found in font\n", num_tables); 95 for (int n_table = 0; n_table < num_tables; n_table++) { 96 const OpenTypeTable &table = font.get_table (n_table); 97 printf (" Table %2d of %2d: %.4s (0x%08x+0x%08x)\n", n_table, num_tables, 98 (const char *)table.tag, 99 (unsigned int) table.offset, 100 (unsigned int) table.length); 101 102 switch (table.tag) { 103 104 case GSUBGPOS::GSUBTag: 105 case GSUBGPOS::GPOSTag: 106 { 107 108 const GSUBGPOS &g = *CastP<GSUBGPOS> (font_data + table.offset); 109 110 int num_scripts = g.get_script_count (); 111 printf (" %d script(s) found in table\n", num_scripts); 112 for (int n_script = 0; n_script < num_scripts; n_script++) { 113 const Script &script = g.get_script (n_script); 114 printf (" Script %2d of %2d: %.4s\n", n_script, num_scripts, 115 (const char *)g.get_script_tag(n_script)); 116 117 if (!script.has_default_lang_sys()) 118 printf (" No default language system\n"); 119 int num_langsys = script.get_lang_sys_count (); 120 printf (" %d language system(s) found in script\n", num_langsys); 121 for (int n_langsys = script.has_default_lang_sys() ? -1 : 0; n_langsys < num_langsys; n_langsys++) { 122 const LangSys &langsys = n_langsys == -1 123 ? script.get_default_lang_sys () 124 : script.get_lang_sys (n_langsys); 125 printf (n_langsys == -1 126 ? " Default Language System\n" 127 : " Language System %2d of %2d: %.4s\n", n_langsys, num_langsys, 128 (const char *)script.get_lang_sys_tag (n_langsys)); 129 if (langsys.get_required_feature_index () == Index::NOT_FOUND_INDEX) 130 printf (" No required feature\n"); 131 132 int num_features = langsys.get_feature_count (); 133 printf (" %d feature(s) found in language system\n", num_features); 134 for (int n_feature = 0; n_feature < num_features; n_feature++) { 135 printf (" Feature index %2d of %2d: %d\n", n_feature, num_features, 136 langsys.get_feature_index (n_feature)); 137 } 138 } 139 } 140 141 int num_features = g.get_feature_count (); 142 printf (" %d feature(s) found in table\n", num_features); 143 for (int n_feature = 0; n_feature < num_features; n_feature++) { 144 const Feature &feature = g.get_feature (n_feature); 145 printf (" Feature %2d of %2d: %.4s; %d lookup(s)\n", n_feature, num_features, 146 (const char *)g.get_feature_tag(n_feature), 147 feature.get_lookup_count()); 148 149 int num_lookups = feature.get_lookup_count (); 150 printf (" %d lookup(s) found in feature\n", num_lookups); 151 for (int n_lookup = 0; n_lookup < num_lookups; n_lookup++) { 152 printf (" Lookup index %2d of %2d: %d\n", n_lookup, num_lookups, 153 feature.get_lookup_index (n_lookup)); 154 } 155 } 156 157 int num_lookups = g.get_lookup_count (); 158 printf (" %d lookup(s) found in table\n", num_lookups); 159 for (int n_lookup = 0; n_lookup < num_lookups; n_lookup++) { 160 const Lookup &lookup = g.get_lookup (n_lookup); 161 printf (" Lookup %2d of %2d: type %d, flags 0x%04X\n", n_lookup, num_lookups, 162 lookup.get_type(), lookup.get_flag()); 163 } 164 165 } 166 break; 167 168 case GDEF::Tag: 169 { 170 171 const GDEF &gdef = *CastP<GDEF> (font_data + table.offset); 172 173 printf (" Has %sglyph classes\n", 174 gdef.has_glyph_classes () ? "" : "no "); 175 printf (" Has %smark attachment types\n", 176 gdef.has_mark_attachment_types () ? "" : "no "); 177 printf (" Has %sattach points\n", 178 gdef.has_attach_points () ? "" : "no "); 179 printf (" Has %slig carets\n", 180 gdef.has_lig_carets () ? "" : "no "); 181 printf (" Has %smark sets\n", 182 gdef.has_mark_sets () ? "" : "no "); 183 break; 184 } 185 } 186 } 187 } 188 189 return 0; 190} 191