59 lines
2.0 KiB
Java
59 lines
2.0 KiB
Java
/* Copyright 2014 Pierre Ossman <ossman@cendio.se> for Cendio AB
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* Copyright 2016-2019 Brian P. Hinz
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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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package com.tigervnc.rfb;
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import com.tigervnc.rdr.*;
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public class CopyRectDecoder extends Decoder {
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public CopyRectDecoder() { super(DecoderFlags.DecoderPlain); }
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public void readRect(Rect r, InStream is,
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ServerParams server, OutStream os)
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{
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os.copyBytes(is, 4);
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}
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public void getAffectedRegion(Rect rect, Object buffer,
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int buflen, ServerParams server,
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Region region)
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{
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MemInStream is = new MemInStream((byte[])buffer, 0, buflen);
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int srcX = is.readU16();
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int srcY = is.readU16();
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super.getAffectedRegion(rect, buffer, buflen, server, region);
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region.assign_union(new Region(rect.translate(new Point(srcX-rect.tl.x,
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srcY-rect.tl.y))));
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}
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public void decodeRect(Rect r, Object buffer,
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int buflen, ServerParams server,
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ModifiablePixelBuffer pb)
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{
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MemInStream is = new MemInStream((byte[])buffer, 0, buflen);
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int srcX = is.readU16();
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int srcY = is.readU16();
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pb.copyRect(r, new Point(r.tl.x-srcX, r.tl.y-srcY));
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}
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}
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