IMAGE: Added BMP RLE4 decoder

1 files changed, 53 insertions, 0 deletions

diff --git a/image/codecs/msrle4.h b/image/codecs/msrle4.h
new file mode 100644
index 0000000000..26f52b651d
--- /dev/null
+++ b/image/codecs/msrle4.h
@@ -0,0 +1,53 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef IMAGE_CODECS_MSRLE4_H
+#define IMAGE_CODECS_MSRLE4_H
+
+#include "image/codecs/codec.h"
+
+namespace Image {
+
+/**
+ * Microsoft Run-Length Encoding decoder.
+ *
+ * Used by BMP/AVI.
+ */
+class MSRLE4Decoder : public Codec {
+public:
+	MSRLE4Decoder(uint16 width, uint16 height, byte bitsPerPixel);
+	~MSRLE4Decoder();
+
+	const Graphics::Surface *decodeFrame(Common::SeekableReadStream &stream);
+	Graphics::PixelFormat getPixelFormat() const { return Graphics::PixelFormat::createFormatCLUT8(); }
+
+private:
+	byte _bitsPerPixel;
+
+	Graphics::Surface *_surface;
+
+	void decode4(Common::SeekableReadStream &stream);
+};
+
+} // End of namespace Image
+
+#endif