main.cc revision ce48f03946bef895912019046bdbe62bb1301d0b
1/* 2 * Copyright (C) 2007,2008 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 <stdlib.h> 33#include <stdio.h> 34 35int 36main (int argc, char **argv) 37{ 38 if (argc != 2) { 39 fprintf (stderr, "usage: %s font-file.ttf\n", argv[0]); 40 exit (1); 41 } 42 43 GMappedFile *mf = g_mapped_file_new (argv[1], FALSE, NULL); 44 const char *font_data = g_mapped_file_get_contents (mf); 45 int len = g_mapped_file_get_length (mf); 46 47 printf ("Opened font file %s: %d bytes long\n", argv[1], len); 48 49 const OpenTypeFontFile &ot = OpenTypeFontFile::get_for_data (font_data); 50 51 switch (ot.get_tag()) { 52 case OpenTypeFontFile::TrueTypeTag: 53 printf ("OpenType font with TrueType outlines\n"); 54 break; 55 case OpenTypeFontFile::CFFTag: 56 printf ("OpenType font with CFF (Type1) outlines\n"); 57 break; 58 case OpenTypeFontFile::TTCTag: 59 printf ("TrueType Collection of OpenType fonts\n"); 60 break; 61 default: 62 printf ("Unknown font format\n"); 63 break; 64 } 65 66 int num_fonts = ot.get_face_count (); 67 printf ("%d font(s) found in file\n", num_fonts); 68 for (int n_font = 0; n_font < num_fonts; n_font++) { 69 const OpenTypeFontFace &font = ot.get_face (n_font); 70 printf ("Font %d of %d:\n", n_font, num_fonts); 71 72 int num_tables = font.get_table_count (); 73 printf (" %d table(s) found in font\n", num_tables); 74 for (int n_table = 0; n_table < num_tables; n_table++) { 75 const OpenTypeTable &table = font.get_table (n_table); 76 printf (" Table %2d of %2d: %.4s (0x%08lx+0x%08lx)\n", n_table, num_tables, 77 (const char *)table.get_tag(), table.get_offset(), table.get_length()); 78 79 switch (table.get_tag ()) { 80 81 case GSUBGPOS::GSUBTag: 82 case GSUBGPOS::GPOSTag: 83 { 84 85 const GSUBGPOS &g = GSUBGPOS::get_for_data (ot.get_table_data (table)); 86 87 int num_scripts = g.get_script_count (); 88 printf (" %d script(s) found in table\n", num_scripts); 89 for (int n_script = 0; n_script < num_scripts; n_script++) { 90 const Script &script = g.get_script (n_script); 91 printf (" Script %2d of %2d: %.4s\n", n_script, num_scripts, 92 (const char *)g.get_script_tag(n_script)); 93 94 if (!script.has_default_lang_sys()) 95 printf (" No default language system\n"); 96 int num_langsys = script.get_lang_sys_count (); 97 printf (" %d language system(s) found in script\n", num_langsys); 98 for (int n_langsys = script.has_default_lang_sys() ? -1 : 0; n_langsys < num_langsys; n_langsys++) { 99 const LangSys &langsys = n_langsys == -1 100 ? script.get_default_lang_sys () 101 : script.get_lang_sys (n_langsys); 102 printf (n_langsys == -1 103 ? " Default Language System\n" 104 : " Language System %2d of %2d: %.4s\n", n_langsys, num_langsys, 105 (const char *)script.get_lang_sys_tag (n_langsys)); 106 if (langsys.get_required_feature_index () == NO_INDEX) 107 printf (" No required feature\n"); 108 109 int num_features = langsys.get_feature_count (); 110 printf (" %d feature(s) found in language system\n", num_features); 111 for (int n_feature = 0; n_feature < num_features; n_feature++) { 112 unsigned int feature_index = langsys.get_feature_index (n_feature); 113 printf (" Feature index %2d of %2d: %d\n", n_feature, num_features, 114 langsys.get_feature_index (n_feature)); 115 } 116 } 117 } 118 119 int num_features = g.get_feature_count (); 120 printf (" %d feature(s) found in table\n", num_features); 121 for (int n_feature = 0; n_feature < num_features; n_feature++) { 122 const Feature &feature = g.get_feature (n_feature); 123 printf (" Feature %2d of %2d: %.4s; %d lookup(s)\n", n_feature, num_features, 124 (const char *)g.get_feature_tag(n_feature), 125 feature.get_lookup_count()); 126 127 int num_lookups = feature.get_lookup_count (); 128 printf (" %d lookup(s) found in feature\n", num_lookups); 129 for (int n_lookup = 0; n_lookup < num_lookups; n_lookup++) { 130 unsigned int lookup_index = feature.get_lookup_index (n_lookup); 131 printf (" Lookup index %2d of %2d: %d\n", n_lookup, num_lookups, 132 feature.get_lookup_index (n_lookup)); 133 } 134 } 135 136 int num_lookups = g.get_lookup_count (); 137 printf (" %d lookup(s) found in table\n", num_lookups); 138 for (int n_lookup = 0; n_lookup < num_lookups; n_lookup++) { 139 const Lookup &lookup = g.get_lookup (n_lookup); 140 printf (" Lookup %2d of %2d: type %d, flags 0x%04X\n", n_lookup, num_lookups, 141 lookup.get_type(), lookup.get_flag()); 142 } 143 144 } 145 break; 146 147 case GDEF::Tag: 148 { 149 150 const GDEF &gdef = GDEF::get_for_data (ot.get_table_data (table)); 151 152 printf (" Has %sglyph classes\n", 153 gdef.has_glyph_classes () ? "" : "no "); 154 printf (" Has %smark attachment types\n", 155 gdef.has_mark_attachment_types () ? "" : "no "); 156 printf (" Has %sattach list\n", 157 gdef.has_attach_list () ? "" : "no "); 158 printf (" Has %slig caret list\n", 159 gdef.has_lig_caret_list () ? "" : "no "); 160 161 for (int glyph = 0; glyph < 1; glyph++) 162 printf (" glyph %d has class %d and mark attachment type %d\n", 163 glyph, 164 gdef.get_glyph_class (glyph), 165 gdef.get_mark_attachment_type (glyph)); 166 167 } 168 break; 169 } 170 } 171 } 172 173 return 0; 174} 175