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- /* Copyright (C) 2000-2003 Constantin Kaplinsky. All Rights Reserved.
- * Copyright (C) 2011 D. R. Commander
- * Copyright 2014 Pierre Ossman for Cendio AB
- *
- * 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_TIGHTENCODER_H__
- #define __RFB_TIGHTENCODER_H__
-
- #include <rdr/MemOutStream.h>
- #include <rdr/ZlibOutStream.h>
- #include <rfb/Encoder.h>
-
- namespace rfb {
-
- class TightEncoder : public Encoder {
- public:
- TightEncoder(SConnection* conn);
- virtual ~TightEncoder();
-
- virtual bool isSupported();
-
- virtual void setCompressLevel(int level);
-
- virtual void writeRect(const PixelBuffer* pb, const Palette& palette);
- virtual void writeSolidRect(int width, int height,
- const PixelFormat& pf,
- const rdr::U8* colour);
-
- protected:
- void writeMonoRect(const PixelBuffer* pb, const Palette& palette);
- void writeIndexedRect(const PixelBuffer* pb, const Palette& palette);
- void writeFullColourRect(const PixelBuffer* pb);
-
- void writePixels(const rdr::U8* buffer, const PixelFormat& pf,
- unsigned int count, rdr::OutStream* os);
-
- void writeCompact(rdr::OutStream* os, rdr::U32 value);
-
- rdr::OutStream* getZlibOutStream(int streamId, int level, size_t length);
- void flushZlibOutStream(rdr::OutStream* os);
-
- protected:
- // Preprocessor generated, optimised methods
- void writeMonoRect(int width, int height,
- const rdr::U8* buffer, int stride,
- const PixelFormat& pf, const Palette& palette);
- void writeMonoRect(int width, int height,
- const rdr::U16* buffer, int stride,
- const PixelFormat& pf, const Palette& palette);
- void writeMonoRect(int width, int height,
- const rdr::U32* buffer, int stride,
- const PixelFormat& pf, const Palette& palette);
-
- void writeIndexedRect(int width, int height,
- const rdr::U16* buffer, int stride,
- const PixelFormat& pf, const Palette& palette);
- void writeIndexedRect(int width, int height,
- const rdr::U32* buffer, int stride,
- const PixelFormat& pf, const Palette& palette);
-
- rdr::ZlibOutStream zlibStreams[4];
- rdr::MemOutStream memStream;
-
- int idxZlibLevel, monoZlibLevel, rawZlibLevel;
- };
-
- }
-
- #endif
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