harfbuzz: check in harfbuzz-ng, add gyp define to use it

third_party/harfbuzz-ng/src/main.cc

+/*
+ * Copyright (C) 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
+ */
+
+#define HB_OT_LAYOUT_CC
+#include "hb-open-file-private.hh"
+#include "hb-ot-layout-gdef-private.hh"
+#include "hb-ot-layout-gsubgpos-private.hh"
+
+#ifdef HAVE_GLIB
+#include <glib.h>
+#endif
+#include <stdlib.h>
+#include <stdio.h>
+
+HB_BEGIN_DECLS
+
+
+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 = NULL;
+  int len = 0;
+
+#ifdef HAVE_GLIB
+  GMappedFile *mf = g_mapped_file_new (argv[1], FALSE, NULL);
+  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 GSUBGPOS::GSUBTag:
+      case GSUBGPOS::GPOSTag:
+        {
+
+        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);
+            printf (n_langsys == -1
+                   ? "      Default Language System\n"
+                   : "      Language System %2d of %2d: %.4s\n", n_langsys, num_langsys,
+                    (const char *)script.get_lang_sys_tag (n_langsys));
+            if (langsys.get_required_feature_index () == Index::NOT_FOUND_INDEX)
+              printf ("        No required feature\n");
+
+            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);
+          printf ("    Feature %2d of %2d: %.4s; %d lookup(s)\n", n_feature, num_features,
+                  (const char *)g.get_feature_tag(n_feature),
+                  feature.get_lookup_count());
+
+          int num_lookups = feature.get_lookup_count ();
+          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::Tag:
+        {
+
+        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;
+}
+
+
+HB_END_DECLS