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/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
* Copyright (C) 2011 D. R. Commander. All Rights Reserved.
* Copyright (C) 2012-2019 Brian P. Hinz
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*/
package com.tigervnc.rfb;
import com.tigervnc.rdr.*;
import java.util.ArrayList;
import java.util.concurrent.atomic.AtomicBoolean;
public class ServerParams {
private static final int subsampleUndefined = -1;
private static final int subsampleNone = 0;
private static final int subsampleGray = 1;
private static final int subsample2X = 2;
private static final int subsample4X = 3;
private static final int subsample8X = 4;
private static final int subsample16X = 5;
public ServerParams()
{
majorVersion = 0; minorVersion = 0;
width_ = 0; height_ = 0; useCopyRect = false;
supportsLocalCursor = false; supportsLocalXCursor = false;
supportsLocalCursorWithAlpha = false;
supportsDesktopResize = false; supportsExtendedDesktopSize = false;
supportsDesktopRename = false; supportsLastRect = false;
supportsSetDesktopSize = false; supportsFence = false;
supportsContinuousUpdates = false;
supportsClientRedirect = false;
compressLevel = 6; qualityLevel = -1; fineQualityLevel = -1;
subsampling = subsampleUndefined; name_ = null; verStrPos = 0;
encodings_ = new ArrayList();
screenLayout_ = new ScreenSet();
setName("");
}
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() { return width_; }
public int height() { return height_; }
public ScreenSet screenLayout() { return screenLayout_; }
public void setDimensions(int width, int height)
{
ScreenSet layout = new ScreenSet();
layout.add_screen(new Screen(0, 0, 0, width, height, 0));
setDimensions(width, height, layout);
}
public void setDimensions(int width, int height, ScreenSet layout)
{
if (!layout.validate(width, height))
throw new Exception("Attempted to configure an invalid screen layout");
width_ = width;
height_ = height;
screenLayout_ = layout;
}
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 boolean supportsEncoding(int encoding)
{
return encodings_.indexOf(encoding) != -1;
}
public void setEncodings(int nEncodings, int[] encodings)
{
useCopyRect = false;
supportsLocalCursor = false;
supportsLocalCursorWithAlpha = false;
supportsDesktopResize = false;
supportsExtendedDesktopSize = false;
supportsLocalXCursor = false;
supportsLastRect = false;
compressLevel = -1;
qualityLevel = -1;
fineQualityLevel = -1;
subsampling = subsampleUndefined;
encodings_.clear();
encodings_.add(Encodings.encodingRaw);
for (int i = nEncodings-1; i >= 0; i--) {
switch (encodings[i]) {
case Encodings.encodingCopyRect:
useCopyRect = true;
break;
case Encodings.pseudoEncodingCursor:
supportsLocalCursor = true;
break;
case Encodings.pseudoEncodingXCursor:
supportsLocalXCursor = true;
break;
case Encodings.pseudoEncodingCursorWithAlpha:
supportsLocalCursorWithAlpha = true;
break;
case Encodings.pseudoEncodingDesktopSize:
supportsDesktopResize = true;
break;
case Encodings.pseudoEncodingExtendedDesktopSize:
supportsExtendedDesktopSize = true;
break;
case Encodings.pseudoEncodingDesktopName:
supportsDesktopRename = true;
break;
case Encodings.pseudoEncodingLastRect:
supportsLastRect = true;
break;
case Encodings.pseudoEncodingFence:
supportsFence = true;
break;
case Encodings.pseudoEncodingContinuousUpdates:
supportsContinuousUpdates = true;
break;
case Encodings.pseudoEncodingClientRedirect:
supportsClientRedirect = true;
break;
case Encodings.pseudoEncodingSubsamp1X:
subsampling = subsampleNone;
break;
case Encodings.pseudoEncodingSubsampGray:
subsampling = subsampleGray;
break;
case Encodings.pseudoEncodingSubsamp2X:
subsampling = subsample2X;
break;
case Encodings.pseudoEncodingSubsamp4X:
subsampling = subsample4X;
break;
case Encodings.pseudoEncodingSubsamp8X:
subsampling = subsample8X;
break;
case Encodings.pseudoEncodingSubsamp16X:
subsampling = subsample16X;
break;
}
if (encodings[i] >= Encodings.pseudoEncodingCompressLevel0 &&
encodings[i] <= Encodings.pseudoEncodingCompressLevel9)
compressLevel = encodings[i] - Encodings.pseudoEncodingCompressLevel0;
if (encodings[i] >= Encodings.pseudoEncodingQualityLevel0 &&
encodings[i] <= Encodings.pseudoEncodingQualityLevel9)
qualityLevel = encodings[i] - Encodings.pseudoEncodingQualityLevel0;
if (encodings[i] >= Encodings.pseudoEncodingFineQualityLevel0 &&
encodings[i] <= Encodings.pseudoEncodingFineQualityLevel100)
fineQualityLevel = encodings[i] - Encodings.pseudoEncodingFineQualityLevel0;
if (encodings[i] > 0)
encodings_.add(encodings[i]);
}
}
public boolean useCopyRect;
public boolean supportsLocalCursor;
public boolean supportsLocalXCursor;
public boolean supportsLocalCursorWithAlpha;
public boolean supportsDesktopResize;
public boolean supportsExtendedDesktopSize;
public boolean supportsDesktopRename;
public boolean supportsLastRect;
public boolean supportsClientRedirect;
public boolean supportsSetDesktopSize;
public boolean supportsFence;
public boolean supportsContinuousUpdates;
public int compressLevel;
public int qualityLevel;
public int fineQualityLevel;
public int subsampling;
private int width_;
private int height_;
private ScreenSet screenLayout_;
private PixelFormat pf_;
private String name_;
private Cursor cursor_;
private ArrayList encodings_;
private StringBuilder verStr;
private int verStrPos;
}
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