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Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +00001/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
DRCb4a83232011-08-19 04:57:18 +00002 * Copyright (C) 2011 D. R. Commander. All Rights Reserved.
Pierre Ossmanb948a912014-01-15 13:23:43 +01003 * Copyright 2014 Pierre Ossman for Cendio AB
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +00004 *
5 * This is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This software is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this software; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
18 * USA.
19 */
Adam Tkac20e0d712008-11-14 14:48:21 +000020#include <stdio.h>
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +000021#include <rdr/InStream.h>
22#include <rdr/OutStream.h>
23#include <rfb/Exception.h>
24#include <rfb/encodings.h>
25#include <rfb/Encoder.h>
26#include <rfb/ConnParams.h>
27#include <rfb/util.h>
28
29using namespace rfb;
30
31ConnParams::ConnParams()
Adam Tkac3d0af202010-11-18 15:19:47 +000032 : majorVersion(0), minorVersion(0),
Constantin Kaplinskyce0907d2006-09-08 12:55:37 +000033 width(0), height(0), useCopyRect(false),
Pierre Ossmanc5e25602009-03-20 12:59:05 +000034 supportsLocalCursor(false), supportsLocalXCursor(false),
35 supportsDesktopResize(false), supportsExtendedDesktopSize(false),
36 supportsDesktopRename(false), supportsLastRect(false),
Pierre Ossmanc754cce2011-11-14 15:44:11 +000037 supportsSetDesktopSize(false), supportsFence(false),
Pierre Ossmanc898d9a2011-11-14 16:22:23 +000038 supportsContinuousUpdates(false),
Pierre Ossmana22459d2014-03-17 14:42:10 +010039 compressLevel(2), qualityLevel(-1), fineQualityLevel(-1),
Pierre Ossmanb948a912014-01-15 13:23:43 +010040 subsampling(subsampleUndefined), name_(0),
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +000041 currentEncoding_(encodingRaw), verStrPos(0)
42{
43 setName("");
44}
45
46ConnParams::~ConnParams()
47{
48 delete [] name_;
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +000049}
50
51bool ConnParams::readVersion(rdr::InStream* is, bool* done)
52{
53 if (verStrPos >= 12) return false;
54 while (is->checkNoWait(1) && verStrPos < 12) {
55 verStr[verStrPos++] = is->readU8();
56 }
57
58 if (verStrPos < 12) {
59 *done = false;
60 return true;
61 }
62 *done = true;
63 verStr[12] = 0;
64 return (sscanf(verStr, "RFB %03d.%03d\n", &majorVersion,&minorVersion) == 2);
65}
66
67void ConnParams::writeVersion(rdr::OutStream* os)
68{
69 char str[13];
70 sprintf(str, "RFB %03d.%03d\n", majorVersion, minorVersion);
71 os->writeBytes(str, 12);
72 os->flush();
73}
74
75void ConnParams::setPF(const PixelFormat& pf)
76{
77 pf_ = pf;
78
79 if (pf.bpp != 8 && pf.bpp != 16 && pf.bpp != 32)
80 throw Exception("setPF: not 8, 16 or 32 bpp?");
81}
82
83void ConnParams::setName(const char* name)
84{
85 delete [] name_;
Adam Tkacd36b6262009-09-04 10:57:20 +000086 name_ = strDup(name);
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +000087}
88
Peter Åstrand98fe98c2010-02-10 07:43:02 +000089void ConnParams::setEncodings(int nEncodings, const rdr::S32* encodings)
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +000090{
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +000091 useCopyRect = false;
92 supportsLocalCursor = false;
93 supportsDesktopResize = false;
Pierre Ossmanc5e25602009-03-20 12:59:05 +000094 supportsExtendedDesktopSize = false;
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +000095 supportsLocalXCursor = false;
96 supportsLastRect = false;
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +000097 compressLevel = -1;
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +000098 qualityLevel = -1;
DRCb4a83232011-08-19 04:57:18 +000099 fineQualityLevel = -1;
Pierre Ossmanb948a912014-01-15 13:23:43 +0100100 subsampling = subsampleUndefined;
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000101 currentEncoding_ = encodingRaw;
102
103 for (int i = nEncodings-1; i >= 0; i--) {
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100104 switch (encodings[i]) {
105 case encodingCopyRect:
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000106 useCopyRect = true;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100107 break;
108 case pseudoEncodingCursor:
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000109 supportsLocalCursor = true;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100110 break;
111 case pseudoEncodingXCursor:
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000112 supportsLocalXCursor = true;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100113 break;
114 case pseudoEncodingDesktopSize:
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000115 supportsDesktopResize = true;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100116 break;
117 case pseudoEncodingExtendedDesktopSize:
Pierre Ossmanc5e25602009-03-20 12:59:05 +0000118 supportsExtendedDesktopSize = true;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100119 break;
120 case pseudoEncodingDesktopName:
Peter Åstrandc39e0782009-01-15 12:21:42 +0000121 supportsDesktopRename = true;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100122 break;
123 case pseudoEncodingLastRect:
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000124 supportsLastRect = true;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100125 break;
126 case pseudoEncodingFence:
Pierre Ossmanc754cce2011-11-14 15:44:11 +0000127 supportsFence = true;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100128 break;
129 case pseudoEncodingContinuousUpdates:
Pierre Ossmanc898d9a2011-11-14 16:22:23 +0000130 supportsContinuousUpdates = true;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100131 break;
132 case pseudoEncodingSubsamp1X:
133 subsampling = subsampleNone;
134 break;
135 case pseudoEncodingSubsampGray:
136 subsampling = subsampleGray;
137 break;
138 case pseudoEncodingSubsamp2X:
139 subsampling = subsample2X;
140 break;
141 case pseudoEncodingSubsamp4X:
142 subsampling = subsample4X;
143 break;
144 case pseudoEncodingSubsamp8X:
145 subsampling = subsample8X;
146 break;
147 case pseudoEncodingSubsamp16X:
148 subsampling = subsample16X;
149 break;
150 }
151
152 if (encodings[i] >= pseudoEncodingCompressLevel0 &&
153 encodings[i] <= pseudoEncodingCompressLevel9)
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000154 compressLevel = encodings[i] - pseudoEncodingCompressLevel0;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100155
156 if (encodings[i] >= pseudoEncodingQualityLevel0 &&
157 encodings[i] <= pseudoEncodingQualityLevel9)
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000158 qualityLevel = encodings[i] - pseudoEncodingQualityLevel0;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100159
160 if (encodings[i] >= pseudoEncodingFineQualityLevel0 &&
161 encodings[i] <= pseudoEncodingFineQualityLevel100)
162 fineQualityLevel = encodings[i] - pseudoEncodingFineQualityLevel0;
163
164 if (Encoder::supported(encodings[i]))
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000165 currentEncoding_ = encodings[i];
166 }
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000167}