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