1 files changed, 85 insertions, 0 deletions
diff --git a/sfntly/table/bitmap/bitmap_glyph_info.h b/sfntly/table/bitmap/bitmap_glyph_info.h
new file mode 100644
index 0000000..9921d0d
--- /dev/null
+++ b/sfntly/table/bitmap/bitmap_glyph_info.h
@@ -0,0 +1,85 @@
+/*
+ * 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_GLYPH_INFO_H_
+#define SFNTLY_CPP_SRC_SFNTLY_TABLE_BITMAP_GLYPH_INFO_H_
+
+#include <vector>
+#include <map>
+
+#include "sfntly/table/subtable.h"
+
+namespace sfntly {
+
+// An immutable class holding bitmap glyph information.
+class BitmapGlyphInfo : public RefCounted<BitmapGlyphInfo> {
+ public:
+  // Constructor for a relative located glyph. The glyph's position in the EBDT
+  // table is a combination of it's block offset and it's own start offset.
+  // @param glyphId the glyph id
+  // @param blockOffset the offset of the block to which the glyph belongs
+  // @param startOffset the offset of the glyph within the block
+  // @param length the byte length
+  // @param format the glyph image format
+  BitmapGlyphInfo(int32_t glyph_id,
+                  int32_t block_offset,
+                  int32_t start_offset,
+                  int32_t length,
+                  int32_t format);
+
+  // Constructor for an absolute located glyph. The glyph's position in the EBDT
+  // table is only given by it's own start offset.
+  // @param glyphId the glyph id
+  // @param startOffset the offset of the glyph within the block
+  // @param length the byte length
+  // @param format the glyph image format
+  BitmapGlyphInfo(int32_t glyph_id,
+                  int32_t start_offset,
+                  int32_t length,
+                  int32_t format);
+
+  int32_t glyph_id() const { return glyph_id_; }
+  bool relative() const { return relative_; }
+  int32_t block_offset() const { return block_offset_; }
+  int32_t offset() const { return block_offset() + start_offset(); }
+  int32_t start_offset() const { return start_offset_; }
+  int32_t length() const { return length_; }
+  int32_t format() const { return format_; }
+
+  // UNIMPLEMENTED: hashCode()
+  bool operator==(const BitmapGlyphInfo& rhs) const;
+  bool operator==(BitmapGlyphInfo* rhs);
+
+ private:
+  int32_t glyph_id_;
+  bool relative_;
+  int32_t block_offset_;
+  int32_t start_offset_;
+  int32_t length_;
+  int32_t format_;
+};
+typedef Ptr<BitmapGlyphInfo> BitmapGlyphInfoPtr;
+typedef std::map<int32_t, BitmapGlyphInfoPtr> BitmapGlyphInfoMap;
+typedef std::vector<BitmapGlyphInfoMap> BitmapLocaList;
+
+class StartOffsetComparator {
+ public:
+  bool operator()(BitmapGlyphInfo* lhs, BitmapGlyphInfo* rhs);
+};
+
+}  // namespace sfntly
+
+#endif  // SFNTLY_CPP_SRC_SFNTLY_TABLE_BITMAP_GLYPH_INFO_H_