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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/InStream.h>
- #include <rfb/CMsgReader.h>
- #include <rfb/CMsgHandler.h>
- #include <rfb/RawDecoder.h>
-
- using namespace rfb;
-
- RawDecoder::RawDecoder(CMsgReader* reader_) : reader(reader_)
- {
- }
-
- RawDecoder::~RawDecoder()
- {
- }
-
- void RawDecoder::readRect(const Rect& r, CMsgHandler* handler)
- {
- int x = r.tl.x;
- int y = r.tl.y;
- int w = r.width();
- int h = r.height();
- int nPixels;
- rdr::U8* imageBuf = reader->getImageBuf(w, w*h, &nPixels);
- int bytesPerRow = w * (reader->bpp() / 8);
- while (h > 0) {
- int nRows = nPixels / w;
- if (nRows > h) nRows = h;
- reader->getInStream()->readBytes(imageBuf, nRows * bytesPerRow);
- handler->imageRect(Rect(x, y, x+w, y+nRows), imageBuf);
- h -= nRows;
- y += nRows;
- }
- }
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