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diff --git a/sfntly/table/bitmap/index_sub_table_format2.h b/sfntly/table/bitmap/index_sub_table_format2.h
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+++ b/sfntly/table/bitmap/index_sub_table_format2.h
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+/*
+ * 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 SFNTLY_CPP_SRC_SFNTLY_TABLE_BITMAP_INDEX_SUBTABLE_FORMAT2_H_
+#define SFNTLY_CPP_SRC_SFNTLY_TABLE_BITMAP_INDEX_SUBTABLE_FORMAT2_H_
+
+#include "sfntly/table/bitmap/index_sub_table.h"
+
+namespace sfntly {
+
+class IndexSubTableFormat2 : public IndexSubTable,
+                             public RefCounted<IndexSubTableFormat2> {
+ public:
+  static int32_t GetDataLength(ReadableFontData* data,
+                               int32_t offset,
+                               int32_t first,
+                               int32_t last);
+
+  // Note: the constructor does not implement offset/length form provided in
+  //       Java to avoid heavy lifting in constructors.  Callers to call
+  //       GetDataLength() static method of the derived class to get proper
+  //       length and slice ahead.
+  IndexSubTableFormat2(ReadableFontData* data, int32_t first, int32_t last);
+  virtual ~IndexSubTableFormat2();
+
+  virtual int32_t NumGlyphs();
+  virtual int32_t GlyphOffset(int32_t glyph_id);
+  virtual int32_t GlyphLength(int32_t glyph_id);
+
+ private:
+  int32_t Loca(int32_t loca_index);
+
+  int32_t image_size_;
+};
+
+}  // namespace sfntly
+
+#endif  // SFNTLY_CPP_SRC_SFNTLY_TABLE_BITMAP_INDEX_SUBTABLE_FORMAT1_H_