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smc.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_SMC_H
00024 #define IMAGE_CODECS_SMC_H
00025 
00026 #include "image/codecs/codec.h"
00027 
00028 namespace Image {
00029 
00030 enum {
00031     CPAIR = 2,
00032     CQUAD = 4,
00033     COCTET = 8,
00034     COLORS_PER_TABLE = 256
00035 };
00036 
00042 class SMCDecoder : public Codec {
00043 public:
00044     SMCDecoder(uint16 width, uint16 height);
00045     ~SMCDecoder();
00046 
00047     const Graphics::Surface *decodeFrame(Common::SeekableReadStream &stream);
00048     Graphics::PixelFormat getPixelFormat() const { return Graphics::PixelFormat::createFormatCLUT8(); }
00049 
00050 private:
00051     Graphics::Surface *_surface;
00052 
00053     // SMC color tables
00054     byte _colorPairs[COLORS_PER_TABLE * CPAIR];
00055     byte _colorQuads[COLORS_PER_TABLE * CQUAD];
00056     byte _colorOctets[COLORS_PER_TABLE * COCTET];
00057 };
00058 
00059 } // End of namespace Image
00060 
00061 #endif


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