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cdtoons.h

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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_CDTOONS_H
00024 #define IMAGE_CODECS_CDTOONS_H
00025 
00026 #include "image/codecs/codec.h"
00027 
00028 #include "common/hashmap.h"
00029 
00030 namespace Image {
00031 
00032 struct CDToonsBlock {
00033     uint16 flags;
00034     uint32 size;
00035     uint16 startFrame;
00036     uint16 endFrame;
00037     uint16 unknown12;
00038     byte *data;
00039 };
00040 
00046 class CDToonsDecoder : public Codec {
00047 public:
00048     CDToonsDecoder(uint16 width, uint16 height);
00049     ~CDToonsDecoder();
00050 
00051     Graphics::Surface *decodeFrame(Common::SeekableReadStream &stream);
00052     Graphics::PixelFormat getPixelFormat() const { return Graphics::PixelFormat::createFormatCLUT8(); }
00053     bool containsPalette() const { return true; }
00054     const byte *getPalette() { _dirtyPalette = false; return _palette; }
00055     bool hasDirtyPalette() const { return _dirtyPalette; }
00056 
00057 private:
00058     Graphics::Surface *_surface;
00059     byte _palette[256 * 3];
00060     bool _dirtyPalette;
00061     uint16 _currentPaletteId;
00062 
00063     Common::HashMap<uint16, CDToonsBlock> _blocks;
00064 
00065     void renderBlock(byte *data, uint size, int x, int y, uint width, uint height);
00066     void setPalette(byte *data);
00067 };
00068 
00069 } // End of namespace Image
00070 
00071 #endif


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