KasmVNC/common/rfb/RREDecoder.cxx
2020-09-20 12:16:44 +00:00

70 lines
1.9 KiB
C++

/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
*
* 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.
*/
#include <rdr/InStream.h>
#include <rdr/MemInStream.h>
#include <rdr/OutStream.h>
#include <rfb/ConnParams.h>
#include <rfb/PixelBuffer.h>
#include <rfb/RREDecoder.h>
using namespace rfb;
#define BPP 8
#include <rfb/rreDecode.h>
#undef BPP
#define BPP 16
#include <rfb/rreDecode.h>
#undef BPP
#define BPP 32
#include <rfb/rreDecode.h>
#undef BPP
RREDecoder::RREDecoder() : Decoder(DecoderPlain)
{
}
RREDecoder::~RREDecoder()
{
}
void RREDecoder::readRect(const Rect& r, rdr::InStream* is,
const ConnParams& cp, rdr::OutStream* os)
{
rdr::U32 numRects;
numRects = is->readU32();
os->writeU32(numRects);
os->copyBytes(is, cp.pf().bpp/8 + numRects * (cp.pf().bpp/8 + 8));
}
void RREDecoder::decodeRect(const Rect& r, const void* buffer,
size_t buflen, const ConnParams& cp,
ModifiablePixelBuffer* pb)
{
rdr::MemInStream is(buffer, buflen);
const PixelFormat& pf = cp.pf();
switch (pf.bpp) {
case 8: rreDecode8 (r, &is, pf, pb); break;
case 16: rreDecode16(r, &is, pf, pb); break;
case 32: rreDecode32(r, &is, pf, pb); break;
}
}