mirror of
https://github.com/kasmtech/KasmVNC.git
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84 lines
3.1 KiB
C
84 lines
3.1 KiB
C
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/* Copyright (C) 2000-2003 Constantin Kaplinsky. All Rights Reserved.
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* Copyright (C) 2011 D. R. Commander
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* Copyright 2014 Pierre Ossman for Cendio AB
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*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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* USA.
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*/
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#ifndef __RFB_TIGHTENCODER_H__
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#define __RFB_TIGHTENCODER_H__
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#include <rdr/MemOutStream.h>
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#include <rdr/ZlibOutStream.h>
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#include <rfb/Encoder.h>
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namespace rfb {
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class TightEncoder : public Encoder {
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public:
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TightEncoder(SConnection* conn);
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virtual ~TightEncoder();
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virtual bool isSupported();
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virtual void setCompressLevel(int level);
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virtual void writeRect(const PixelBuffer* pb, const Palette& palette);
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virtual void writeSolidRect(int width, int height,
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const PixelFormat& pf,
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const rdr::U8* colour);
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protected:
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void writeMonoRect(const PixelBuffer* pb, const Palette& palette);
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void writeIndexedRect(const PixelBuffer* pb, const Palette& palette);
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void writeFullColourRect(const PixelBuffer* pb, const Palette& palette);
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void writePixels(const rdr::U8* buffer, const PixelFormat& pf,
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unsigned int count, rdr::OutStream* os);
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void writeCompact(rdr::OutStream* os, rdr::U32 value);
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rdr::OutStream* getZlibOutStream(int streamId, int level, size_t length);
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void flushZlibOutStream(rdr::OutStream* os);
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protected:
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// Preprocessor generated, optimised methods
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void writeMonoRect(int width, int height,
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const rdr::U8* buffer, int stride,
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const PixelFormat& pf, const Palette& palette);
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void writeMonoRect(int width, int height,
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const rdr::U16* buffer, int stride,
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const PixelFormat& pf, const Palette& palette);
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void writeMonoRect(int width, int height,
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const rdr::U32* buffer, int stride,
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const PixelFormat& pf, const Palette& palette);
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void writeIndexedRect(int width, int height,
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const rdr::U16* buffer, int stride,
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const PixelFormat& pf, const Palette& palette);
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void writeIndexedRect(int width, int height,
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const rdr::U32* buffer, int stride,
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const PixelFormat& pf, const Palette& palette);
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rdr::ZlibOutStream zlibStreams[4];
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rdr::MemOutStream memStream;
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int idxZlibLevel, monoZlibLevel, rawZlibLevel;
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};
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}
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#endif
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