tigervnc/rfb/RawEncoder.cxx
Constantin Kaplinsky 47ed8d321c Initial revision
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@2 3789f03b-4d11-0410-bbf8-ca57d06f2519
2004-10-08 09:43:57 +00:00

60 lines
1.7 KiB
C++

/* Copyright (C) 2002-2004 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/RawEncoder.h>
using namespace rfb;
Encoder* RawEncoder::create(SMsgWriter* writer)
{
return new RawEncoder(writer);
}
RawEncoder::RawEncoder(SMsgWriter* writer_) : writer(writer_)
{
}
RawEncoder::~RawEncoder()
{
}
bool RawEncoder::writeRect(const Rect& r, ImageGetter* 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;
}