Files
Termination4/T2SRFB/java/com/tigervnc/rfb/CopyRectDecoder.java
T
2026-01-29 11:29:56 +08:00

59 lines
2.0 KiB
Java

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