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pcx.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 
00031 #ifndef IMAGE_PCX_H
00032 #define IMAGE_PCX_H
00033 
00034 #include "common/scummsys.h"
00035 #include "common/str.h"
00036 #include "image/image_decoder.h"
00037 
00038 namespace Common{
00039 class SeekableReadStream;
00040 }
00041 
00042 namespace Image {
00043 
00044 class PCXDecoder : public ImageDecoder {
00045 public:
00046     PCXDecoder();
00047     virtual ~PCXDecoder();
00048 
00049     // ImageDecoder API
00050     void destroy();
00051     virtual bool loadStream(Common::SeekableReadStream &stream);
00052     virtual const Graphics::Surface *getSurface() const { return _surface; }
00053     const byte *getPalette() const { return _palette; }
00054     uint16 getPaletteColorCount() const { return _paletteColorCount; }
00055 
00056 private:
00057     void decodeRLE(Common::SeekableReadStream &stream, byte *dst, uint32 bytesPerScanline, bool compressed);
00058 
00059     Graphics::Surface *_surface;
00060     byte *_palette;
00061     uint16 _paletteColorCount;
00062 };
00063 
00064 } // End of namespace Image
00065 
00066 #endif


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