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Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +00001/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
2 *
3 * This is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2 of the License, or
6 * (at your option) any later version.
7 *
8 * This software is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this software; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
16 * USA.
17 */
18#include <rdr/InStream.h>
19#include <rfb/CMsgReader.h>
Pierre Ossman668468b2014-01-31 12:37:32 +010020#include <rfb/CConnection.h>
Pierre Ossman0c9bd4b2014-07-09 16:44:11 +020021#include <rfb/PixelBuffer.h>
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +000022#include <rfb/RawDecoder.h>
23
24using namespace rfb;
25
Pierre Ossman668468b2014-01-31 12:37:32 +010026RawDecoder::RawDecoder(CConnection* conn) : Decoder(conn)
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +000027{
28}
29
30RawDecoder::~RawDecoder()
31{
32}
33
Pierre Ossman0c9bd4b2014-07-09 16:44:11 +020034void RawDecoder::readRect(const Rect& r, ModifiablePixelBuffer* pb)
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +000035{
36 int x = r.tl.x;
37 int y = r.tl.y;
38 int w = r.width();
39 int h = r.height();
40 int nPixels;
Pierre Ossman668468b2014-01-31 12:37:32 +010041 rdr::U8* imageBuf = conn->reader()->getImageBuf(w, w*h, &nPixels);
Pierre Ossman0c9bd4b2014-07-09 16:44:11 +020042 const PixelFormat& pf = conn->cp.pf();
43 int bytesPerRow = w * (pf.bpp / 8);
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +000044 while (h > 0) {
45 int nRows = nPixels / w;
46 if (nRows > h) nRows = h;
Pierre Ossman668468b2014-01-31 12:37:32 +010047 conn->getInStream()->readBytes(imageBuf, nRows * bytesPerRow);
Pierre Ossman0c9bd4b2014-07-09 16:44:11 +020048 pb->imageRect(pf, Rect(x, y, x+w, y+nRows), imageBuf);
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +000049 h -= nRows;
50 y += nRows;
51 }
52}