1 files changed, 67 insertions, 0 deletions
diff --git a/gfx/sfntly/cpp/src/sample/subtly/subsetter.cc b/gfx/sfntly/cpp/src/sample/subtly/subsetter.cc
new file mode 100644
index 0000000000..d09627ca35
--- /dev/null
+++ b/gfx/sfntly/cpp/src/sample/subtly/subsetter.cc
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2011 Google Inc. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "subtly/subsetter.h"
+
+#include <stdio.h>
+
+#include "sfntly/font.h"
+#include "sfntly/font_factory.h"
+#include "sfntly/tag.h"
+#include "subtly/character_predicate.h"
+#include "subtly/font_assembler.h"
+#include "subtly/font_info.h"
+#include "subtly/utils.h"
+
+namespace subtly {
+using namespace sfntly;
+
+/******************************************************************************
+ * Subsetter class
+ ******************************************************************************/
+Subsetter::Subsetter(Font* font, CharacterPredicate* predicate)
+    : font_(font),
+      predicate_(predicate) {
+}
+
+Subsetter::Subsetter(const char* font_path, CharacterPredicate* predicate)
+    : predicate_(predicate) {
+  font_.Attach(LoadFont(font_path));
+}
+
+CALLER_ATTACH Font* Subsetter::Subset() {
+  Ptr<FontSourcedInfoBuilder> info_builder =
+      new FontSourcedInfoBuilder(font_, 0, predicate_);
+
+  Ptr<FontInfo> font_info;
+  font_info.Attach(info_builder->GetFontInfo());
+  if (!font_info) {
+#if defined (SUBTLY_DEBUG)
+    fprintf(stderr,
+            "Couldn't create font info. No subset will be generated.\n");
+#endif
+    return NULL;
+  }
+  IntegerSet* table_blacklist = new IntegerSet;
+  table_blacklist->insert(Tag::DSIG);
+  Ptr<FontAssembler> font_assembler = new FontAssembler(font_info,
+                                                        table_blacklist);
+  Ptr<Font> font_subset;
+  font_subset.Attach(font_assembler->Assemble());
+  delete table_blacklist;
+  return font_subset.Detach();
+}
+}