66 lines
2.3 KiB
C++
66 lines
2.3 KiB
C++
/* Copyright (C) 2000-2003 Constantin Kaplinsky. All Rights Reserved.
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* Copyright (C) 2011 D. R. Commander. All Rights Reserved.
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* Copyright 2009-2022 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_TIGHTDECODER_H__
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#define __RFB_TIGHTDECODER_H__
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#include <rdr/ZlibInStream.h>
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#include <rfb/Decoder.h>
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namespace rfb {
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class TightDecoder : public Decoder {
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public:
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TightDecoder();
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virtual ~TightDecoder();
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bool readRect(const core::Rect& r, rdr::InStream* is,
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const ServerParams& server,
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rdr::OutStream* os) override;
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bool doRectsConflict(const core::Rect& rectA,
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const uint8_t* bufferA, size_t buflenA,
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const core::Rect& rectB,
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const uint8_t* bufferB, size_t buflenB,
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const ServerParams& server) override;
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void decodeRect(const core::Rect& r, const uint8_t* buffer,
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size_t buflen, const ServerParams& server,
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ModifiablePixelBuffer* pb) override;
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private:
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uint32_t readCompact(rdr::InStream* is);
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void FilterGradient24(const uint8_t* inbuf, const PixelFormat& pf,
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uint32_t* outbuf, int stride, const core::Rect& r);
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template<class T>
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void FilterGradient(const uint8_t* inbuf, const PixelFormat& pf,
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T* outbuf, int stride, const core::Rect& r);
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template<class T>
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void FilterPalette(const T* palette, int palSize,
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const uint8_t* inbuf, T* outbuf,
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int stride, const core::Rect& r);
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private:
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rdr::ZlibInStream zis[4];
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};
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}
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#endif
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