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
77
78
79
80
81
82
83
|
// Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved.
//
// This file is part of the VNC system.
//
// The VNC system 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 program 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 program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
//
// TightVNC distribution homepage on the Web: http://www.tightvnc.com/
//
// If the source code for the VNC system is not available from the place
// whence you received this file, check http://www.uk.research.att.com/vnc or contact
// the authors on vnc@uk.research.att.com for information on obtaining it.
// vncEncodeCoRRE object
// The vncEncodeCoRRE object uses a compression encoding to send rectangles
// to a client
class vncEncodeCoRRE;
#if !defined(_WINVNC_ENCODECORRRE)
#define _WINVNC_ENCODECORRE
#include "vncEncoder.h"
#include "vdr/plugin.h"
// Class definition
class vncEncodeCoRRE : public vncEncoder
{
// Fields
public:
// Methods
public:
// Create/Destroy methods
vncEncodeCoRRE();
~vncEncodeCoRRE();
virtual void Init();
virtual const char* GetEncodingName() { return "CoRRE"; }
virtual UINT RequiredBuffSize(UINT width, UINT height);
virtual UINT NumCodedRects(RECT &rect);
virtual UINT EncodeRect(BYTE *source, BYTE *dest, const RECT &rect);
virtual void SetCoRREMax(BYTE width, BYTE height);
protected:
virtual UINT InternalEncodeRect(BYTE *source, BYTE *dest, const RECT &rect);
virtual UINT EncodeSmallRect(BYTE *source, BYTE *dest, const RECT &rect);
// Implementation
protected:
BYTE *m_buffer;
size_t m_bufflen;
// Maximum height & width for CoRRE
int m_maxwidth;
int m_maxheight;
// Last-update stats for CoRRE
UINT m_encodedbytes, m_rectbytes;
UINT m_lastencodedbytes, m_lastrectbytes;
int m_maxadjust;
int m_threshold;
bool m_statsready;
};
#endif // _WINVNC_ENCODECORRE
|
