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- /* Copyright 2014 Pierre Ossman <ossman@cendio.se> for Cendio AB
- *
- * 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.
- */
-
- #ifdef HAVE_CONFIG_H
- #include <config.h>
- #endif
-
- #include <rdr/MemInStream.h>
- #include <rdr/OutStream.h>
- #include <rfb/PixelBuffer.h>
- #include <rfb/Region.h>
- #include <rfb/CopyRectDecoder.h>
-
- using namespace rfb;
-
- CopyRectDecoder::CopyRectDecoder() : Decoder(DecoderPlain)
- {
- }
-
- CopyRectDecoder::~CopyRectDecoder()
- {
- }
-
- bool CopyRectDecoder::readRect(const Rect& /*r*/,
- rdr::InStream* is,
- const ServerParams& /*server*/,
- rdr::OutStream* os)
- {
- if (!is->hasData(4))
- return false;
- os->copyBytes(is, 4);
- return true;
- }
-
-
- void CopyRectDecoder::getAffectedRegion(const Rect& rect,
- const void* buffer,
- size_t buflen,
- const ServerParams& server,
- Region* region)
- {
- rdr::MemInStream is(buffer, buflen);
- int srcX = is.readU16();
- int srcY = is.readU16();
-
- Decoder::getAffectedRegion(rect, buffer, buflen, server, region);
-
- region->assign_union(Region(rect.translate(Point(srcX-rect.tl.x,
- srcY-rect.tl.y))));
- }
-
- void CopyRectDecoder::decodeRect(const Rect& r, const void* buffer,
- size_t buflen,
- const ServerParams& /*server*/,
- ModifiablePixelBuffer* pb)
- {
- rdr::MemInStream is(buffer, buflen);
- int srcX = is.readU16();
- int srcY = is.readU16();
- pb->copyRect(r, Point(r.tl.x-srcX, r.tl.y-srcY));
- }
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