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/* 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/OutStream.h>
#include <rfb/ImageGetter.h>
#include <rfb/encodings.h>
#include <rfb/SMsgWriter.h>
#include <rfb/RREEncoder.h>
using namespace rfb;
#define BPP 8
#include <rfb/rreEncode.h>
#undef BPP
#define BPP 16
#include <rfb/rreEncode.h>
#undef BPP
#define BPP 32
#include <rfb/rreEncode.h>
#undef BPP
Encoder* RREEncoder::create(SMsgWriter* writer)
{
return new RREEncoder(writer);
}
RREEncoder::RREEncoder(SMsgWriter* writer_) : writer(writer_)
{
}
RREEncoder::~RREEncoder()
{
}
bool RREEncoder::writeRect(const Rect& r, ImageGetter* ig, Rect* actual)
{
int w = r.width();
int h = r.height();
rdr::U8* imageBuf = writer->getImageBuf(w*h);
ig->getImage(imageBuf, r);
mos.clear();
int nSubrects = -1;
switch (writer->bpp()) {
case 8: nSubrects = rreEncode8(imageBuf, w, h, &mos); break;
case 16: nSubrects = rreEncode16(imageBuf, w, h, &mos); break;
case 32: nSubrects = rreEncode32(imageBuf, w, h, &mos); break;
}
if (nSubrects < 0) {
return writer->writeRect(r, encodingRaw, ig, actual);
}
writer->startRect(r, encodingRRE);
rdr::OutStream* os = writer->getOutStream();
os->writeU32(nSubrects);
os->writeBytes(mos.data(), mos.length());
writer->endRect();
return true;
}
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