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/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
* Copyright (C) 2012 TigerVNC Team.
*
* 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.
*/
package com.tigervnc.rfb;
import com.tigervnc.rdr.*;
public class ConnParams {
static LogWriter vlog = new LogWriter("ConnParams");
public ConnParams() {
majorVersion = 0; minorVersion = 0;
width = 0; height = 0; useCopyRect = false;
supportsLocalCursor = false; supportsLocalXCursor = false;
supportsDesktopResize = false; supportsExtendedDesktopSize = false;
supportsDesktopRename = false; supportsLastRect = false;
supportsSetDesktopSize = false; supportsFence = false;
supportsContinuousUpdates = false;
supportsClientRedirect = false;
customCompressLevel = false; compressLevel = 6;
noJpeg = false; qualityLevel = -1; fineQualityLevel = -1;
subsampling = "SUBSAMP_UNDEFINED";
name_ = null; nEncodings_ = 0; encodings_ = null;
currentEncoding_ = Encodings.encodingRaw; verStrPos = 0;
screenLayout = new ScreenSet();
setName("");
}
public boolean readVersion(InStream is, Boolean done)
{
if (verStrPos >= 12) return false;
verStr = new StringBuilder(13);
while (verStrPos < 12) {
verStr.insert(verStrPos++,(char)is.readU8());
}
if (verStrPos < 12) {
done = Boolean.valueOf(false);
return true;
}
done = Boolean.valueOf(true);
verStr.insert(12,'0');
verStrPos = 0;
if (verStr.toString().matches("RFB \\d{3}\\.\\d{3}\\n0")) {
majorVersion = Integer.parseInt(verStr.substring(4,7));
minorVersion = Integer.parseInt(verStr.substring(8,11));
return true;
}
return false;
}
public void writeVersion(OutStream os) {
String str = String.format("RFB %03d.%03d\n", majorVersion, minorVersion);
os.writeBytes(str.getBytes(), 0, 12);
os.flush();
}
public int majorVersion;
public int minorVersion;
public void setVersion(int major, int minor) {
majorVersion = major; minorVersion = minor;
}
public boolean isVersion(int major, int minor) {
return majorVersion == major && minorVersion == minor;
}
public boolean beforeVersion(int major, int minor) {
return (majorVersion < major ||
(majorVersion == major && minorVersion < minor));
}
public boolean afterVersion(int major, int minor) {
return !beforeVersion(major,minor+1);
}
public int width;
public int height;
public ScreenSet screenLayout;
public PixelFormat pf() { return pf_; }
public void setPF(PixelFormat pf) {
pf_ = pf;
if (pf.bpp != 8 && pf.bpp != 16 && pf.bpp != 32) {
throw new Exception("setPF: not 8, 16 or 32 bpp?");
}
}
public String name() { return name_; }
public void setName(String name)
{
name_ = name;
}
public int currentEncoding() { return currentEncoding_; }
public int nEncodings() { return nEncodings_; }
public int[] encodings() { return encodings_; }
public void setEncodings(int nEncodings, int[] encodings)
{
if (nEncodings > nEncodings_) {
encodings_ = new int[nEncodings];
}
nEncodings_ = nEncodings;
useCopyRect = false;
supportsLocalCursor = false;
supportsDesktopResize = false;
supportsExtendedDesktopSize = false;
supportsLocalXCursor = false;
supportsLastRect = false;
customCompressLevel = false;
compressLevel = -1;
noJpeg = true;
qualityLevel = -1;
fineQualityLevel = -1;
subsampling = "SUBSAMP_UNDEFINED";
currentEncoding_ = Encodings.encodingRaw;
for (int i = nEncodings-1; i >= 0; i--) {
encodings_[i] = encodings[i];
if (encodings[i] == Encodings.encodingCopyRect)
useCopyRect = true;
else if (encodings[i] == Encodings.pseudoEncodingCursor)
supportsLocalCursor = true;
else if (encodings[i] == Encodings.pseudoEncodingXCursor)
supportsLocalXCursor = true;
else if (encodings[i] == Encodings.pseudoEncodingDesktopSize)
supportsDesktopResize = true;
else if (encodings[i] == Encodings.pseudoEncodingExtendedDesktopSize)
supportsExtendedDesktopSize = true;
else if (encodings[i] == Encodings.pseudoEncodingDesktopName)
supportsDesktopRename = true;
else if (encodings[i] == Encodings.pseudoEncodingLastRect)
supportsLastRect = true;
else if (encodings[i] == Encodings.pseudoEncodingFence)
supportsFence = true;
else if (encodings[i] == Encodings.pseudoEncodingContinuousUpdates)
supportsContinuousUpdates = true;
else if (encodings[i] == Encodings.pseudoEncodingClientRedirect)
supportsClientRedirect = true;
else if (encodings[i] >= Encodings.pseudoEncodingCompressLevel0 &&
encodings[i] <= Encodings.pseudoEncodingCompressLevel9) {
customCompressLevel = true;
compressLevel = encodings[i] - Encodings.pseudoEncodingCompressLevel0;
} else if (encodings[i] >= Encodings.pseudoEncodingQualityLevel0 &&
encodings[i] <= Encodings.pseudoEncodingQualityLevel9) {
noJpeg = false;
qualityLevel = encodings[i] - Encodings.pseudoEncodingQualityLevel0;
} else if (encodings[i] <= Encodings.encodingMax &&
Encoder.supported(encodings[i]))
currentEncoding_ = encodings[i];
}
// If the TurboVNC fine quality/subsampling encodings exist, let them
// override the coarse TightVNC quality level
for (int i = nEncodings-1; i >= 0; i--) {
if (encodings[i] >= Encodings.pseudoEncodingFineQualityLevel0 + 1 &&
encodings[i] <= Encodings.pseudoEncodingFineQualityLevel100) {
noJpeg = false;
fineQualityLevel = encodings[i] - Encodings.pseudoEncodingFineQualityLevel0;
} else if (encodings[i] >= Encodings.pseudoEncodingSubsamp1X &&
encodings[i] <= Encodings.pseudoEncodingSubsampGray) {
noJpeg = false;
subsampling = JpegCompressor.subsamplingName(encodings[i] - Encodings.pseudoEncodingSubsamp1X);
}
}
}
public boolean useCopyRect;
public boolean supportsLocalCursor;
public boolean supportsLocalXCursor;
public boolean supportsDesktopResize;
public boolean supportsExtendedDesktopSize;
public boolean supportsDesktopRename;
public boolean supportsClientRedirect;
public boolean supportsFence;
public boolean supportsContinuousUpdates;
public boolean supportsLastRect;
public boolean supportsSetDesktopSize;
public boolean customCompressLevel;
public int compressLevel;
public boolean noJpeg;
public int qualityLevel;
public int fineQualityLevel;
public String subsampling;
private PixelFormat pf_;
private String name_;
private int nEncodings_;
private int[] encodings_;
private int currentEncoding_;
private StringBuilder verStr;
private int verStrPos;
}
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