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/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
* Copyright 2014-2022 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_ZRLEENCODER_H__
#define __RFB_ZRLEENCODER_H__
#include <rdr/MemOutStream.h>
#include <rdr/ZlibOutStream.h>
#include <rfb/Encoder.h>
namespace rfb {
class ZRLEEncoder : public Encoder {
public:
ZRLEEncoder(SConnection* conn);
virtual ~ZRLEEncoder();
bool isSupported() override;
void setCompressLevel(int level) override;
void writeRect(const PixelBuffer* pb,
const Palette& palette) override;
void writeSolidRect(int width, int height, const PixelFormat& pf,
const uint8_t* colour) override;
protected:
void writePaletteTile(const Rect& tile, const PixelBuffer* pb,
const Palette& palette);
void writePaletteRLETile(const Rect& tile, const PixelBuffer* pb,
const Palette& palette);
void writeRawTile(const Rect& tile, const PixelBuffer* pb);
void writePalette(const PixelFormat& pf, const Palette& palette);
void writePixels(const uint8_t* buffer, const PixelFormat& pf,
unsigned int count);
protected:
// Templated, optimised methods
template<class T>
void writePaletteTile(int width, int height,
const T* buffer, int stride,
const PixelFormat& pf, const Palette& palette);
template<class T>
void writePaletteRLETile(int width, int height,
const T* buffer, int stride,
const PixelFormat& pf, const Palette& palette);
protected:
rdr::ZlibOutStream zos;
rdr::MemOutStream mos;
};
}
#endif
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