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