80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
/* Copyright 2014 Pierre Ossman <ossman@cendio.se> for Cendio AB
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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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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <core/Region.h>
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#include <rdr/MemInStream.h>
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#include <rdr/OutStream.h>
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#include <rfb/PixelBuffer.h>
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#include <rfb/CopyRectDecoder.h>
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using namespace rfb;
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CopyRectDecoder::CopyRectDecoder() : Decoder(DecoderPlain)
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{
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}
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CopyRectDecoder::~CopyRectDecoder()
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{
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}
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bool CopyRectDecoder::readRect(const core::Rect& /*r*/,
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rdr::InStream* is,
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const ServerParams& /*server*/,
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rdr::OutStream* os)
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{
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if (!is->hasData(4))
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return false;
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os->copyBytes(is, 4);
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return true;
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}
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void CopyRectDecoder::getAffectedRegion(const core::Rect& rect,
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const uint8_t* buffer,
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size_t buflen,
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const ServerParams& server,
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core::Region* region)
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{
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rdr::MemInStream is(buffer, buflen);
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int srcX = is.readU16();
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int srcY = is.readU16();
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Decoder::getAffectedRegion(rect, buffer, buflen, server, region);
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region->assign_union(rect.translate({srcX-rect.tl.x,
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srcY-rect.tl.y}));
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}
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void CopyRectDecoder::decodeRect(const core::Rect& r,
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const uint8_t* buffer,
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size_t buflen,
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const ServerParams& /*server*/,
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ModifiablePixelBuffer* pb)
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{
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rdr::MemInStream is(buffer, buflen);
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int srcX = is.readU16();
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int srcY = is.readU16();
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pb->copyRect(r, {r.tl.x-srcX, r.tl.y-srcY});
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}
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