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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>
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +000025#include <rfb/ConnParams.h>
26#include <rfb/util.h>
27
28using namespace rfb;
29
30ConnParams::ConnParams()
Adam Tkac3d0af202010-11-18 15:19:47 +000031 : majorVersion(0), minorVersion(0),
Constantin Kaplinskyce0907d2006-09-08 12:55:37 +000032 width(0), height(0), useCopyRect(false),
Pierre Ossmanc5e25602009-03-20 12:59:05 +000033 supportsLocalCursor(false), supportsLocalXCursor(false),
34 supportsDesktopResize(false), supportsExtendedDesktopSize(false),
35 supportsDesktopRename(false), supportsLastRect(false),
Pierre Ossmanc754cce2011-11-14 15:44:11 +000036 supportsSetDesktopSize(false), supportsFence(false),
Pierre Ossmanc898d9a2011-11-14 16:22:23 +000037 supportsContinuousUpdates(false),
Pierre Ossmana22459d2014-03-17 14:42:10 +010038 compressLevel(2), qualityLevel(-1), fineQualityLevel(-1),
Pierre Ossman48700812014-09-17 17:11:56 +020039 subsampling(subsampleUndefined), name_(0), verStrPos(0)
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +000040{
41 setName("");
Pierre Ossman6a1a0d02017-02-19 15:48:17 +010042 cursor_ = new Cursor(0, 0, Point(), NULL);
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +000043}
44
45ConnParams::~ConnParams()
46{
47 delete [] name_;
Pierre Ossman6a1a0d02017-02-19 15:48:17 +010048 delete cursor_;
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
Pierre Ossman126e5642014-02-13 14:40:25 +010089void ConnParams::setCursor(const Cursor& other)
90{
Pierre Ossman6a1a0d02017-02-19 15:48:17 +010091 delete cursor_;
92 cursor_ = new Cursor(other);
Pierre Ossman126e5642014-02-13 14:40:25 +010093}
94
Pierre Ossmanf22d3502015-11-10 12:58:49 +010095bool ConnParams::supportsEncoding(rdr::S32 encoding) const
Pierre Ossmanc0397262014-03-14 15:59:46 +010096{
97 return encodings_.count(encoding) != 0;
98}
99
Peter Åstrand98fe98c2010-02-10 07:43:02 +0000100void ConnParams::setEncodings(int nEncodings, const rdr::S32* encodings)
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000101{
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000102 useCopyRect = false;
103 supportsLocalCursor = false;
104 supportsDesktopResize = false;
Pierre Ossmanc5e25602009-03-20 12:59:05 +0000105 supportsExtendedDesktopSize = false;
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000106 supportsLocalXCursor = false;
107 supportsLastRect = false;
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000108 compressLevel = -1;
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000109 qualityLevel = -1;
DRCb4a83232011-08-19 04:57:18 +0000110 fineQualityLevel = -1;
Pierre Ossmanb948a912014-01-15 13:23:43 +0100111 subsampling = subsampleUndefined;
Pierre Ossmanc0397262014-03-14 15:59:46 +0100112
113 encodings_.clear();
114 encodings_.insert(encodingRaw);
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000115
116 for (int i = nEncodings-1; i >= 0; i--) {
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100117 switch (encodings[i]) {
118 case encodingCopyRect:
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000119 useCopyRect = true;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100120 break;
121 case pseudoEncodingCursor:
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000122 supportsLocalCursor = true;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100123 break;
124 case pseudoEncodingXCursor:
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000125 supportsLocalXCursor = true;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100126 break;
127 case pseudoEncodingDesktopSize:
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000128 supportsDesktopResize = true;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100129 break;
130 case pseudoEncodingExtendedDesktopSize:
Pierre Ossmanc5e25602009-03-20 12:59:05 +0000131 supportsExtendedDesktopSize = true;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100132 break;
133 case pseudoEncodingDesktopName:
Peter Åstrandc39e0782009-01-15 12:21:42 +0000134 supportsDesktopRename = true;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100135 break;
136 case pseudoEncodingLastRect:
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000137 supportsLastRect = true;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100138 break;
139 case pseudoEncodingFence:
Pierre Ossmanc754cce2011-11-14 15:44:11 +0000140 supportsFence = true;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100141 break;
142 case pseudoEncodingContinuousUpdates:
Pierre Ossmanc898d9a2011-11-14 16:22:23 +0000143 supportsContinuousUpdates = true;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100144 break;
145 case pseudoEncodingSubsamp1X:
146 subsampling = subsampleNone;
147 break;
148 case pseudoEncodingSubsampGray:
149 subsampling = subsampleGray;
150 break;
151 case pseudoEncodingSubsamp2X:
152 subsampling = subsample2X;
153 break;
154 case pseudoEncodingSubsamp4X:
155 subsampling = subsample4X;
156 break;
157 case pseudoEncodingSubsamp8X:
158 subsampling = subsample8X;
159 break;
160 case pseudoEncodingSubsamp16X:
161 subsampling = subsample16X;
162 break;
163 }
164
165 if (encodings[i] >= pseudoEncodingCompressLevel0 &&
166 encodings[i] <= pseudoEncodingCompressLevel9)
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000167 compressLevel = encodings[i] - pseudoEncodingCompressLevel0;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100168
169 if (encodings[i] >= pseudoEncodingQualityLevel0 &&
170 encodings[i] <= pseudoEncodingQualityLevel9)
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000171 qualityLevel = encodings[i] - pseudoEncodingQualityLevel0;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100172
173 if (encodings[i] >= pseudoEncodingFineQualityLevel0 &&
174 encodings[i] <= pseudoEncodingFineQualityLevel100)
175 fineQualityLevel = encodings[i] - pseudoEncodingFineQualityLevel0;
176
Pierre Ossmanc0397262014-03-14 15:59:46 +0100177 if (encodings[i] > 0)
178 encodings_.insert(encodings[i]);
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000179 }
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000180}