197 lines
6.5 KiB
C++
197 lines
6.5 KiB
C++
/*
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* Copyright (C) 2007,2008,2009 Red Hat, Inc.
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*
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* This is part of HarfBuzz, a text shaping library.
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*
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* Permission is hereby granted, without written agreement and without
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* license or royalty fees, to use, copy, modify, and distribute this
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* software and its documentation for any purpose, provided that the
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* above copyright notice and the following two paragraphs appear in
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* all copies of this software.
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*
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*
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* Red Hat Author(s): Behdad Esfahbod
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*/
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#define HB_OT_LAYOUT_CC
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#include "hb-open-file-private.hh"
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#include "hb-ot-layout-gdef-private.hh"
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#include "hb-ot-layout-gsubgpos-private.hh"
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#ifdef HAVE_GLIB
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#include <glib.h>
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#endif
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#include <stdlib.h>
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#include <stdio.h>
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HB_BEGIN_DECLS
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int
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main (int argc, char **argv)
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{
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if (argc != 2) {
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fprintf (stderr, "usage: %s font-file.ttf\n", argv[0]);
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exit (1);
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}
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const char *font_data = NULL;
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int len = 0;
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#ifdef HAVE_GLIB
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GMappedFile *mf = g_mapped_file_new (argv[1], FALSE, NULL);
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font_data = g_mapped_file_get_contents (mf);
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len = g_mapped_file_get_length (mf);
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#else
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FILE *f = fopen (argv[1], "rb");
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fseek (f, 0, SEEK_END);
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len = ftell (f);
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fseek (f, 0, SEEK_SET);
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font_data = (const char *) malloc (len);
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len = fread ((char *) font_data, 1, len, f);
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#endif
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printf ("Opened font file %s: %d bytes long\n", argv[1], len);
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const OpenTypeFontFile &ot = *CastP<OpenTypeFontFile> (font_data);
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switch (ot.get_tag ()) {
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case OpenTypeFontFile::TrueTypeTag:
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printf ("OpenType font with TrueType outlines\n");
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break;
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case OpenTypeFontFile::CFFTag:
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printf ("OpenType font with CFF (Type1) outlines\n");
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break;
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case OpenTypeFontFile::TTCTag:
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printf ("TrueType Collection of OpenType fonts\n");
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break;
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case OpenTypeFontFile::TrueTag:
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printf ("Obsolete Apple TrueType font\n");
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break;
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case OpenTypeFontFile::Typ1Tag:
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printf ("Obsolete Apple Type1 font in SFNT container\n");
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break;
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default:
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printf ("Unknown font format\n");
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break;
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}
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int num_fonts = ot.get_face_count ();
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printf ("%d font(s) found in file\n", num_fonts);
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for (int n_font = 0; n_font < num_fonts; n_font++) {
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const OpenTypeFontFace &font = ot.get_face (n_font);
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printf ("Font %d of %d:\n", n_font, num_fonts);
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int num_tables = font.get_table_count ();
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printf (" %d table(s) found in font\n", num_tables);
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for (int n_table = 0; n_table < num_tables; n_table++) {
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const OpenTypeTable &table = font.get_table (n_table);
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printf (" Table %2d of %2d: %.4s (0x%08x+0x%08x)\n", n_table, num_tables,
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(const char *)table.tag,
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(unsigned int) table.offset,
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(unsigned int) table.length);
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switch (table.tag) {
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case GSUBGPOS::GSUBTag:
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case GSUBGPOS::GPOSTag:
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{
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const GSUBGPOS &g = *CastP<GSUBGPOS> (font_data + table.offset);
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int num_scripts = g.get_script_count ();
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printf (" %d script(s) found in table\n", num_scripts);
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for (int n_script = 0; n_script < num_scripts; n_script++) {
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const Script &script = g.get_script (n_script);
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printf (" Script %2d of %2d: %.4s\n", n_script, num_scripts,
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(const char *)g.get_script_tag(n_script));
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if (!script.has_default_lang_sys())
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printf (" No default language system\n");
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int num_langsys = script.get_lang_sys_count ();
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printf (" %d language system(s) found in script\n", num_langsys);
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for (int n_langsys = script.has_default_lang_sys() ? -1 : 0; n_langsys < num_langsys; n_langsys++) {
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const LangSys &langsys = n_langsys == -1
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? script.get_default_lang_sys ()
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: script.get_lang_sys (n_langsys);
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printf (n_langsys == -1
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? " Default Language System\n"
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: " Language System %2d of %2d: %.4s\n", n_langsys, num_langsys,
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(const char *)script.get_lang_sys_tag (n_langsys));
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if (langsys.get_required_feature_index () == Index::NOT_FOUND_INDEX)
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printf (" No required feature\n");
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int num_features = langsys.get_feature_count ();
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printf (" %d feature(s) found in language system\n", num_features);
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for (int n_feature = 0; n_feature < num_features; n_feature++) {
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printf (" Feature index %2d of %2d: %d\n", n_feature, num_features,
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langsys.get_feature_index (n_feature));
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}
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}
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}
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int num_features = g.get_feature_count ();
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printf (" %d feature(s) found in table\n", num_features);
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for (int n_feature = 0; n_feature < num_features; n_feature++) {
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const Feature &feature = g.get_feature (n_feature);
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printf (" Feature %2d of %2d: %.4s; %d lookup(s)\n", n_feature, num_features,
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(const char *)g.get_feature_tag(n_feature),
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feature.get_lookup_count());
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int num_lookups = feature.get_lookup_count ();
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printf (" %d lookup(s) found in feature\n", num_lookups);
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for (int n_lookup = 0; n_lookup < num_lookups; n_lookup++) {
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printf (" Lookup index %2d of %2d: %d\n", n_lookup, num_lookups,
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feature.get_lookup_index (n_lookup));
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}
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}
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int num_lookups = g.get_lookup_count ();
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printf (" %d lookup(s) found in table\n", num_lookups);
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for (int n_lookup = 0; n_lookup < num_lookups; n_lookup++) {
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const Lookup &lookup = g.get_lookup (n_lookup);
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printf (" Lookup %2d of %2d: type %d, props 0x%04X\n", n_lookup, num_lookups,
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lookup.get_type(), lookup.get_props());
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}
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}
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break;
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case GDEF::Tag:
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{
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const GDEF &gdef = *CastP<GDEF> (font_data + table.offset);
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printf (" Has %sglyph classes\n",
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gdef.has_glyph_classes () ? "" : "no ");
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printf (" Has %smark attachment types\n",
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gdef.has_mark_attachment_types () ? "" : "no ");
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printf (" Has %sattach points\n",
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gdef.has_attach_points () ? "" : "no ");
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printf (" Has %slig carets\n",
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gdef.has_lig_carets () ? "" : "no ");
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printf (" Has %smark sets\n",
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gdef.has_mark_sets () ? "" : "no ");
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break;
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}
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}
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}
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}
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return 0;
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}
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HB_END_DECLS
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