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https://github.com/TigerVNC/tigervnc.git
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47ed8d321c
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@2 3789f03b-4d11-0410-bbf8-ca57d06f2519
56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
/* Copyright (C) 2002-2003 RealVNC Ltd. All Rights Reserved.
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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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#include <rdr/InStream.h>
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#include <rfb/CMsgReader.h>
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#include <rfb/CMsgHandler.h>
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#include <rfb/RawDecoder.h>
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using namespace rfb;
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Decoder* RawDecoder::create(CMsgReader* reader)
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{
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return new RawDecoder(reader);
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}
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RawDecoder::RawDecoder(CMsgReader* reader_) : reader(reader_)
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{
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}
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RawDecoder::~RawDecoder()
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{
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}
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void RawDecoder::readRect(const Rect& r, CMsgHandler* handler)
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{
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int x = r.tl.x;
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int y = r.tl.y;
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int w = r.width();
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int h = r.height();
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int nPixels;
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rdr::U8* imageBuf = reader->getImageBuf(w, w*h, &nPixels);
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int bytesPerRow = w * (reader->bpp() / 8);
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while (h > 0) {
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int nRows = nPixels / w;
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if (nRows > h) nRows = h;
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reader->getInStream()->readBytes(imageBuf, nRows * bytesPerRow);
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handler->imageRect(Rect(x, y, x+w, y+nRows), imageBuf);
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h -= nRows;
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y += nRows;
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}
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}
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