1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
/* 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 uint8_t* 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 uint8_t* 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));
}
|
