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https://github.com/kasmtech/KasmVNC.git
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66 lines
2.1 KiB
C++
66 lines
2.1 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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#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/Region.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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void CopyRectDecoder::readRect(const Rect& r, rdr::InStream* is,
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const ConnParams& cp, rdr::OutStream* os)
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{
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os->copyBytes(is, 4);
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}
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void CopyRectDecoder::getAffectedRegion(const Rect& rect,
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const void* buffer,
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size_t buflen,
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const ConnParams& cp,
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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, cp, region);
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region->assign_union(Region(rect.translate(Point(srcX-rect.tl.x,
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srcY-rect.tl.y))));
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}
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void CopyRectDecoder::decodeRect(const Rect& r, const void* buffer,
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size_t buflen, const ConnParams& cp,
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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, Point(r.tl.x-srcX, r.tl.y-srcY));
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}
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