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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_HEXTILEENCODER_H__
#define __RFB_HEXTILEENCODER_H__
#include <rfb/Encoder.h>
namespace rfb {
class HextileEncoder : public Encoder {
public:
HextileEncoder(SConnection* conn);
virtual ~HextileEncoder();
bool isSupported() override;
void writeRect(const PixelBuffer* pb,
const Palette& palette) override;
void writeSolidRect(int width, int height, const PixelFormat& pf,
const uint8_t* colour) override;
private:
template<class T>
inline void writePixel(rdr::OutStream* os, T pixel);
template<class T>
void hextileEncode(rdr::OutStream* os, const PixelBuffer* pb);
template<class T>
int hextileEncodeTile(T* data, int w, int h, int tileType,
uint8_t* encoded, T bg);
template<class T>
int testTileType(T* data, int w, int h, T* bg, T* fg);
template<class T>
void hextileEncodeBetter(rdr::OutStream* os, const PixelBuffer* pb);
};
}
#endif
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