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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/TransImageGetter.h>
#include <rfb/encodings.h>
#include <rfb/SMsgWriter.h>
#include <rfb/RawEncoder.h>
using namespace rfb;
RawEncoder::RawEncoder(SMsgWriter* writer_) : writer(writer_)
{
}
RawEncoder::~RawEncoder()
{
}
bool RawEncoder::writeRect(const Rect& r, TransImageGetter* ig, Rect* actual)
{
int x = r.tl.x;
int y = r.tl.y;
int w = r.width();
int h = r.height();
int nPixels;
rdr::U8* imageBuf = writer->getImageBuf(w, w*h, &nPixels);
int bytesPerRow = w * (writer->bpp() / 8);
writer->startRect(r, encodingRaw);
while (h > 0) {
int nRows = nPixels / w;
if (nRows > h) nRows = h;
ig->getImage(imageBuf, Rect(x, y, x+w, y+nRows));
writer->getOutStream()->writeBytes(imageBuf, nRows * bytesPerRow);
h -= nRows;
y += nRows;
}
writer->endRect();
return true;
}
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