/* Copyright (C) 2000-2003 Constantin Kaplinsky. All Rights Reserved. * Copyright (C) 2011 D. R. Commander. All Rights Reserved. * * This 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 software 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 software; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, * USA. */ #ifndef __RFB_TIGHTDECODER_H__ #define __RFB_TIGHTDECODER_H__ #include <rdr/ZlibInStream.h> #include <rfb/Decoder.h> #include <rfb/JpegDecompressor.h> namespace rfb { class TightDecoder : public Decoder { public: static Decoder* create(CMsgReader* reader); virtual void readRect(const Rect& r, CMsgHandler* handler); virtual ~TightDecoder(); private: void tightDecode8(const Rect& r); void tightDecode16(const Rect& r); void tightDecode32(const Rect& r); void DecompressJpegRect8(const Rect& r); void DecompressJpegRect16(const Rect& r); void DecompressJpegRect32(const Rect& r); void FilterGradient8(rdr::U8 *netbuf, rdr::U8* buf, int stride, const Rect& r); void FilterGradient16(rdr::U8 *netbuf, rdr::U16* buf, int stride, const Rect& r); void FilterGradient24(rdr::U8 *netbuf, rdr::U32* buf, int stride, const Rect& r); void FilterGradient32(rdr::U8 *netbuf, rdr::U32* buf, int stride, const Rect& r); void directFillRect8(const Rect& r, Pixel pix); void directFillRect16(const Rect& r, Pixel pix); void directFillRect32(const Rect& r, Pixel pix); TightDecoder(CMsgReader* reader); CMsgReader* reader; CMsgHandler* handler; rdr::InStream* is; rdr::ZlibInStream zis[4]; JpegDecompressor jd; PixelFormat clientpf; PixelFormat serverpf; bool directDecode; }; // Compression control const unsigned int rfbTightExplicitFilter = 0x04; const unsigned int rfbTightFill = 0x08; const unsigned int rfbTightJpeg = 0x09; const unsigned int rfbTightMaxSubencoding = 0x09; // Filters to improve compression efficiency const unsigned int rfbTightFilterCopy = 0x00; const unsigned int rfbTightFilterPalette = 0x01; const unsigned int rfbTightFilterGradient = 0x02; } #endif