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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/encodings.h>
- #include <rfb/SMsgWriter.h>
- #include <rfb/SConnection.h>
- #include <rfb/PixelFormat.h>
- #include <rfb/PixelBuffer.h>
- #include <rfb/RREEncoder.h>
-
- using namespace rfb;
-
- #define BPP 8
- #include <rfb/rreEncode.h>
- #undef BPP
- #define BPP 16
- #include <rfb/rreEncode.h>
- #undef BPP
- #define BPP 32
- #include <rfb/rreEncode.h>
- #undef BPP
-
- RREEncoder::RREEncoder(SConnection* conn) : RawEncoder(conn)
- {
- }
-
- RREEncoder::~RREEncoder()
- {
- }
-
- void RREEncoder::writeRect(const Rect& r, PixelBuffer* pb)
- {
- int w = r.width();
- int h = r.height();
- rdr::U8* imageBuf = conn->writer()->getImageBuf(w*h);
- pb->getImage(conn->cp.pf(), imageBuf, r);
-
- mos.clear();
-
- int nSubrects = -1;
- switch (conn->cp.pf().bpp) {
- case 8: nSubrects = rreEncode8(imageBuf, w, h, &mos); break;
- case 16: nSubrects = rreEncode16(imageBuf, w, h, &mos); break;
- case 32: nSubrects = rreEncode32(imageBuf, w, h, &mos); break;
- }
-
- if (nSubrects < 0) {
- RawEncoder::writeRect(r, pb);
- return;
- }
-
- conn->writer()->startRect(r, encodingRRE);
- rdr::OutStream* os = conn->getOutStream();
- os->writeU32(nSubrects);
- os->writeBytes(mos.data(), mos.length());
- conn->writer()->endRect();
- }
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