main.cc revision baec684fde2303edb16341bfcf1022cd72acf129
1/* 2 * Copyright (C) 2007,2008,2009 Red Hat, Inc. 3 * 4 * This is part of HarfBuzz, an OpenType Layout engine 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-ot-layout-open-private.h" 29#include "hb-ot-layout-gdef-private.h" 30#include "hb-ot-layout-gsub-private.h" 31 32#include <glib.h> 33#include <stdlib.h> 34#include <stdio.h> 35 36int 37main (int argc, char **argv) 38{ 39 if (argc != 2) { 40 fprintf (stderr, "usage: %s font-file.ttf\n", argv[0]); 41 exit (1); 42 } 43 44 GMappedFile *mf = g_mapped_file_new (argv[1], FALSE, NULL); 45 const char *font_data = g_mapped_file_get_contents (mf); 46 int len = g_mapped_file_get_length (mf); 47 48 printf ("Opened font file %s: %d bytes long\n", argv[1], len); 49 50 const OpenTypeFontFile &ot = OpenTypeFontFile::get_for_data (font_data); 51 52 switch (ot.tag) { 53 case OpenTypeFontFile::TrueTypeTag: 54 printf ("OpenType font with TrueType outlines\n"); 55 break; 56 case OpenTypeFontFile::CFFTag: 57 printf ("OpenType font with CFF (Type1) outlines\n"); 58 break; 59 case OpenTypeFontFile::TTCTag: 60 printf ("TrueType Collection of OpenType fonts\n"); 61 break; 62 default: 63 printf ("Unknown font format\n"); 64 break; 65 } 66 67 int num_fonts = ot.get_face_count (); 68 printf ("%d font(s) found in file\n", num_fonts); 69 for (int n_font = 0; n_font < num_fonts; n_font++) { 70 const OpenTypeFontFace &font = ot.get_face (n_font); 71 printf ("Font %d of %d:\n", n_font, num_fonts); 72 73 int num_tables = font.get_table_count (); 74 printf (" %d table(s) found in font\n", num_tables); 75 for (int n_table = 0; n_table < num_tables; n_table++) { 76 const OpenTypeTable &table = font.get_table (n_table); 77 printf (" Table %2d of %2d: %.4s (0x%08lx+0x%08lx)\n", n_table, num_tables, 78 (const char *)table.tag, 79 (unsigned int) table.offset, 80 (unsigned int) table.length); 81 82 switch (table.tag) { 83 84 case GSUBGPOS::GSUBTag: 85 case GSUBGPOS::GPOSTag: 86 { 87 88 const GSUBGPOS &g = GSUBGPOS::get_for_data (ot.get_table_data (table)); 89 90 int num_scripts = g.get_script_count (); 91 printf (" %d script(s) found in table\n", num_scripts); 92 for (int n_script = 0; n_script < num_scripts; n_script++) { 93 const Script &script = g.get_script (n_script); 94 printf (" Script %2d of %2d: %.4s\n", n_script, num_scripts, 95 (const char *)g.get_script_tag(n_script)); 96 97 if (!script.has_default_lang_sys()) 98 printf (" No default language system\n"); 99 int num_langsys = script.get_lang_sys_count (); 100 printf (" %d language system(s) found in script\n", num_langsys); 101 for (int n_langsys = script.has_default_lang_sys() ? -1 : 0; n_langsys < num_langsys; n_langsys++) { 102 const LangSys &langsys = n_langsys == -1 103 ? script.get_default_lang_sys () 104 : script.get_lang_sys (n_langsys); 105 printf (n_langsys == -1 106 ? " Default Language System\n" 107 : " Language System %2d of %2d: %.4s\n", n_langsys, num_langsys, 108 (const char *)script.get_lang_sys_tag (n_langsys)); 109 if (langsys.get_required_feature_index () == NO_INDEX) 110 printf (" No required feature\n"); 111 112 int num_features = langsys.get_feature_count (); 113 printf (" %d feature(s) found in language system\n", num_features); 114 for (int n_feature = 0; n_feature < num_features; n_feature++) { 115 unsigned int feature_index = langsys.get_feature_index (n_feature); 116 printf (" Feature index %2d of %2d: %d\n", n_feature, num_features, 117 langsys.get_feature_index (n_feature)); 118 } 119 } 120 } 121 122 int num_features = g.get_feature_count (); 123 printf (" %d feature(s) found in table\n", num_features); 124 for (int n_feature = 0; n_feature < num_features; n_feature++) { 125 const Feature &feature = g.get_feature (n_feature); 126 printf (" Feature %2d of %2d: %.4s; %d lookup(s)\n", n_feature, num_features, 127 (const char *)g.get_feature_tag(n_feature), 128 feature.get_lookup_count()); 129 130 int num_lookups = feature.get_lookup_count (); 131 printf (" %d lookup(s) found in feature\n", num_lookups); 132 for (int n_lookup = 0; n_lookup < num_lookups; n_lookup++) { 133 unsigned int lookup_index = feature.get_lookup_index (n_lookup); 134 printf (" Lookup index %2d of %2d: %d\n", n_lookup, num_lookups, 135 feature.get_lookup_index (n_lookup)); 136 } 137 } 138 139 int num_lookups = g.get_lookup_count (); 140 printf (" %d lookup(s) found in table\n", num_lookups); 141 for (int n_lookup = 0; n_lookup < num_lookups; n_lookup++) { 142 const Lookup &lookup = g.get_lookup (n_lookup); 143 printf (" Lookup %2d of %2d: type %d, flags 0x%04X\n", n_lookup, num_lookups, 144 lookup.get_type(), lookup.get_flag()); 145 } 146 147 } 148 break; 149 150 case GDEF::Tag: 151 { 152 153 const GDEF &gdef = GDEF::get_for_data (ot.get_table_data (table)); 154 155 printf (" Has %sglyph classes\n", 156 gdef.has_glyph_classes () ? "" : "no "); 157 printf (" Has %smark attachment types\n", 158 gdef.has_mark_attachment_types () ? "" : "no "); 159 printf (" Has %sattach points\n", 160 gdef.has_attach_points () ? "" : "no "); 161 printf (" Has %slig carets\n", 162 gdef.has_lig_carets () ? "" : "no "); 163 break; 164 } 165 } 166 } 167 } 168 169 return 0; 170} 171