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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),
Pierre Ossman8053c8e2017-02-21 12:59:04 +010034 supportsLocalCursorWithAlpha(false),
Pierre Ossmanc5e25602009-03-20 12:59:05 +000035 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 Ossman48700812014-09-17 17:11:56 +020040 subsampling(subsampleUndefined), name_(0), verStrPos(0)
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +000041{
42 setName("");
Pierre Ossman6a1a0d02017-02-19 15:48:17 +010043 cursor_ = new Cursor(0, 0, Point(), NULL);
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +000044}
45
46ConnParams::~ConnParams()
47{
48 delete [] name_;
Pierre Ossman6a1a0d02017-02-19 15:48:17 +010049 delete cursor_;
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +000050}
51
52bool ConnParams::readVersion(rdr::InStream* is, bool* done)
53{
54 if (verStrPos >= 12) return false;
55 while (is->checkNoWait(1) && verStrPos < 12) {
56 verStr[verStrPos++] = is->readU8();
57 }
58
59 if (verStrPos < 12) {
60 *done = false;
61 return true;
62 }
63 *done = true;
64 verStr[12] = 0;
65 return (sscanf(verStr, "RFB %03d.%03d\n", &majorVersion,&minorVersion) == 2);
66}
67
68void ConnParams::writeVersion(rdr::OutStream* os)
69{
70 char str[13];
71 sprintf(str, "RFB %03d.%03d\n", majorVersion, minorVersion);
72 os->writeBytes(str, 12);
73 os->flush();
74}
75
76void ConnParams::setPF(const PixelFormat& pf)
77{
78 pf_ = pf;
79
80 if (pf.bpp != 8 && pf.bpp != 16 && pf.bpp != 32)
81 throw Exception("setPF: not 8, 16 or 32 bpp?");
82}
83
84void ConnParams::setName(const char* name)
85{
86 delete [] name_;
Adam Tkacd36b6262009-09-04 10:57:20 +000087 name_ = strDup(name);
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +000088}
89
Pierre Ossman126e5642014-02-13 14:40:25 +010090void ConnParams::setCursor(const Cursor& other)
91{
Pierre Ossman6a1a0d02017-02-19 15:48:17 +010092 delete cursor_;
93 cursor_ = new Cursor(other);
Pierre Ossman126e5642014-02-13 14:40:25 +010094}
95
Pierre Ossmanf22d3502015-11-10 12:58:49 +010096bool ConnParams::supportsEncoding(rdr::S32 encoding) const
Pierre Ossmanc0397262014-03-14 15:59:46 +010097{
98 return encodings_.count(encoding) != 0;
99}
100
Peter Åstrand98fe98c2010-02-10 07:43:02 +0000101void ConnParams::setEncodings(int nEncodings, const rdr::S32* encodings)
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000102{
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000103 useCopyRect = false;
104 supportsLocalCursor = false;
Pierre Ossman8053c8e2017-02-21 12:59:04 +0100105 supportsLocalCursorWithAlpha = false;
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000106 supportsDesktopResize = false;
Pierre Ossmanc5e25602009-03-20 12:59:05 +0000107 supportsExtendedDesktopSize = false;
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000108 supportsLocalXCursor = false;
109 supportsLastRect = false;
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000110 compressLevel = -1;
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000111 qualityLevel = -1;
DRCb4a83232011-08-19 04:57:18 +0000112 fineQualityLevel = -1;
Pierre Ossmanb948a912014-01-15 13:23:43 +0100113 subsampling = subsampleUndefined;
Pierre Ossmanc0397262014-03-14 15:59:46 +0100114
115 encodings_.clear();
116 encodings_.insert(encodingRaw);
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000117
118 for (int i = nEncodings-1; i >= 0; i--) {
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100119 switch (encodings[i]) {
120 case encodingCopyRect:
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000121 useCopyRect = true;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100122 break;
123 case pseudoEncodingCursor:
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000124 supportsLocalCursor = true;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100125 break;
126 case pseudoEncodingXCursor:
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000127 supportsLocalXCursor = true;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100128 break;
Pierre Ossman8053c8e2017-02-21 12:59:04 +0100129 case pseudoEncodingCursorWithAlpha:
130 supportsLocalCursorWithAlpha = true;
131 break;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100132 case pseudoEncodingDesktopSize:
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000133 supportsDesktopResize = true;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100134 break;
135 case pseudoEncodingExtendedDesktopSize:
Pierre Ossmanc5e25602009-03-20 12:59:05 +0000136 supportsExtendedDesktopSize = true;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100137 break;
138 case pseudoEncodingDesktopName:
Peter Åstrandc39e0782009-01-15 12:21:42 +0000139 supportsDesktopRename = true;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100140 break;
141 case pseudoEncodingLastRect:
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000142 supportsLastRect = true;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100143 break;
144 case pseudoEncodingFence:
Pierre Ossmanc754cce2011-11-14 15:44:11 +0000145 supportsFence = true;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100146 break;
147 case pseudoEncodingContinuousUpdates:
Pierre Ossmanc898d9a2011-11-14 16:22:23 +0000148 supportsContinuousUpdates = true;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100149 break;
150 case pseudoEncodingSubsamp1X:
151 subsampling = subsampleNone;
152 break;
153 case pseudoEncodingSubsampGray:
154 subsampling = subsampleGray;
155 break;
156 case pseudoEncodingSubsamp2X:
157 subsampling = subsample2X;
158 break;
159 case pseudoEncodingSubsamp4X:
160 subsampling = subsample4X;
161 break;
162 case pseudoEncodingSubsamp8X:
163 subsampling = subsample8X;
164 break;
165 case pseudoEncodingSubsamp16X:
166 subsampling = subsample16X;
167 break;
168 }
169
170 if (encodings[i] >= pseudoEncodingCompressLevel0 &&
171 encodings[i] <= pseudoEncodingCompressLevel9)
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000172 compressLevel = encodings[i] - pseudoEncodingCompressLevel0;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100173
174 if (encodings[i] >= pseudoEncodingQualityLevel0 &&
175 encodings[i] <= pseudoEncodingQualityLevel9)
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000176 qualityLevel = encodings[i] - pseudoEncodingQualityLevel0;
Pierre Ossman6bcf1372014-01-15 13:44:04 +0100177
178 if (encodings[i] >= pseudoEncodingFineQualityLevel0 &&
179 encodings[i] <= pseudoEncodingFineQualityLevel100)
180 fineQualityLevel = encodings[i] - pseudoEncodingFineQualityLevel0;
181
Pierre Ossmanc0397262014-03-14 15:59:46 +0100182 if (encodings[i] > 0)
183 encodings_.insert(encodings[i]);
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000184 }
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +0000185}