00001 /* ScummVM - Graphic Adventure Engine 00002 * 00003 * ScummVM is the legal property of its developers, whose names 00004 * are too numerous to list here. Please refer to the COPYRIGHT 00005 * file distributed with this source distribution. 00006 * 00007 * This program is free software; you can redistribute it and/or 00008 * modify it under the terms of the GNU General Public License 00009 * as published by the Free Software Foundation; either version 2 00010 * of the License, or (at your option) any later version. 00011 * 00012 * This program is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 * GNU General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU General Public License 00018 * along with this program; if not, write to the Free Software 00019 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 00020 * 00021 */ 00022 00023 #ifndef IMAGE_CODECS_RPZA_H 00024 #define IMAGE_CODECS_RPZA_H 00025 00026 #include "graphics/pixelformat.h" 00027 #include "image/codecs/codec.h" 00028 00029 namespace Image { 00030 00036 class RPZADecoder : public Codec { 00037 public: 00038 RPZADecoder(uint16 width, uint16 height); 00039 ~RPZADecoder(); 00040 00041 const Graphics::Surface *decodeFrame(Common::SeekableReadStream &stream); 00042 Graphics::PixelFormat getPixelFormat() const { return _format; } 00043 00044 bool containsPalette() const { return _ditherPalette != 0; } 00045 const byte *getPalette() { _dirtyPalette = false; return _ditherPalette; } 00046 bool hasDirtyPalette() const { return _dirtyPalette; } 00047 bool canDither(DitherType type) const; 00048 void setDither(DitherType type, const byte *palette); 00049 00050 private: 00051 Graphics::PixelFormat _format; 00052 Graphics::Surface *_surface; 00053 byte *_ditherPalette; 00054 bool _dirtyPalette; 00055 byte *_colorMap; 00056 uint16 _width, _height; 00057 uint16 _blockWidth, _blockHeight; 00058 }; 00059 00060 } // End of namespace Image 00061 00062 #endif