Added sample subsetter and merger.

git-svn-id: http://sfntly.googlecode.com/svn/trunk/cpp/src@91 672e30a5-4c29-85ac-ac6d-611c735e0a51

1 files changed, 67 insertions, 0 deletions

diff --git a/sample/subtly/font_assembler.h b/sample/subtly/font_assembler.h
new file mode 100644
index 0000000..c53c21f
--- /dev/null
+++ b/sample/subtly/font_assembler.h
@@ -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.
+ */
+
+#ifndef TYPOGRAPHY_FONT_SFNTLY_SRC_SAMPLE_SUBTLY_FONT_ASSEMBLER_H_
+#define TYPOGRAPHY_FONT_SFNTLY_SRC_SAMPLE_SUBTLY_FONT_ASSEMBLER_H_
+
+#include <set>
+#include <map>
+
+#include "subtly/font_info.h"
+
+#include "sfntly/tag.h"
+#include "sfntly/font.h"
+#include "sfntly/port/type.h"
+#include "sfntly/port/refcount.h"
+#include "sfntly/table/core/cmap_table.h"
+#include "sfntly/table/truetype/glyph_table.h"
+#include "sfntly/table/truetype/loca_table.h"
+
+namespace subtly {
+// Assembles FontInfo into font builders.
+// Does not take ownership of data passed to it.
+class FontAssembler : public sfntly::RefCounted<FontAssembler> {
+ public:
+  // font_info is the FontInfo which will be used for the new font
+  // table_blacklist is used to decide which tables to exclude from the
+  // final font.
+  FontAssembler(FontInfo* font_info, sfntly::IntegerSet* table_blacklist);
+  explicit FontAssembler(FontInfo* font_info);
+  ~FontAssembler() { }
+
+  // Assemble a new font from the font info object.
+  virtual CALLER_ATTACH sfntly::Font* Assemble();
+
+  sfntly::IntegerSet* table_blacklist() const { return table_blacklist_; }
+  void set_table_blacklist(sfntly::IntegerSet* table_blacklist) {
+    table_blacklist_ = table_blacklist;
+  }
+
+ protected:
+  virtual bool AssembleCMapTable();
+  virtual bool AssembleGlyphAndLocaTables();
+
+  virtual void Initialize();
+
+ private:
+  sfntly::Ptr<FontInfo> font_info_;
+  sfntly::Ptr<sfntly::FontFactory> font_factory_;
+  sfntly::Ptr<sfntly::Font::Builder> font_builder_;
+  sfntly::IntegerSet* table_blacklist_;
+};
+}
+
+#endif  // TYPOGRAPHY_FONT_SFNTLY_SRC_SAMPLE_SUBTLY_FONT_ASSEMBLER_H_