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
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
/*
* Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved.
*
* 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.
*/
/*
* vncviewer.c - the Xt-based VNC viewer.
*/
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <rfb/rfbclient.h>
static void Dummy(rfbClient* client) {
}
static Bool DummyPoint(rfbClient* client, int x, int y) {
return TRUE;
}
static void DummyRect(rfbClient* client, int x, int y, int w, int h) {
}
static char* NoPassword(rfbClient* client) {
return "";
}
static Bool MallocFrameBuffer(rfbClient* client) {
if(client->frameBuffer)
free(client->frameBuffer);
client->frameBuffer=malloc(client->width*client->height*client->format.bitsPerPixel/8);
return client->frameBuffer?TRUE:FALSE;
}
rfbClient* rfbGetClient(int* argc,char** argv,
int bitsPerSample,int samplesPerPixel,
int bytesPerPixel) {
rfbClient* client=(rfbClient*)calloc(sizeof(rfbClient),1);
client->programName = argv[0];
client->endianTest = 1;
client->format.bitsPerPixel = bytesPerPixel*8;
client->format.depth = bitsPerSample*samplesPerPixel;
client->format.bigEndian = *(char *)&client->endianTest?FALSE:TRUE;
client->format.trueColour = TRUE;
if (client->format.bitsPerPixel == 8) {
client->format.redMax = 7;
client->format.greenMax = 7;
client->format.blueMax = 3;
client->format.redShift = 0;
client->format.greenShift = 3;
client->format.blueShift = 6;
} else {
client->format.redMax = (1 << bitsPerSample) - 1;
client->format.greenMax = (1 << bitsPerSample) - 1;
client->format.blueMax = (1 << bitsPerSample) - 1;
if(!client->format.bigEndian) {
client->format.redShift = 0;
client->format.greenShift = bitsPerSample;
client->format.blueShift = bitsPerSample * 2;
} else {
if(client->format.bitsPerPixel==8*3) {
client->format.redShift = bitsPerSample*2;
client->format.greenShift = bitsPerSample*1;
client->format.blueShift = 0;
} else {
client->format.redShift = bitsPerSample*3;
client->format.greenShift = bitsPerSample*2;
client->format.blueShift = bitsPerSample;
}
}
}
client->HandleCursorPos = DummyPoint;
client->SoftCursorLockArea = DummyRect;
client->SoftCursorUnlockScreen = Dummy;
client->GotFrameBufferUpdate = DummyRect;
client->GetPassword = NoPassword;
client->MallocFrameBuffer = MallocFrameBuffer;
client->Bell = Dummy;
return client;
}
Bool rfbInitClient(rfbClient* client,const char* vncServerHost,int vncServerPort)
{
/* Unless we accepted an incoming connection, make a TCP connection to the
given VNC server */
if (!client->listenSpecified) {
if (!ConnectToRFBServer(client,vncServerHost, vncServerPort))
return FALSE;
}
/* Initialise the VNC connection, including reading the password */
if (!InitialiseRFBConnection(client))
return FALSE;
if (!SetFormatAndEncodings(client))
return FALSE;
client->width=client->si.framebufferWidth;
client->height=client->si.framebufferHeight;
client->MallocFrameBuffer(client);
if (!SendFramebufferUpdateRequest(client,
0,0,client->width,client->height,FALSE))
return FALSE;
return TRUE;
}
void rfbClientCleanup(rfbClient* client) {
free(client);
}
|
