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/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
* Copyright (C) 2011 D. R. Commander. All Rights Reserved.
* Copyright 2014-2019 Pierre Ossman for Cendio AB
*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <rfb/Exception.h>
#include <rfb/encodings.h>
#include <rfb/ledStates.h>
#include <rfb/clipboardTypes.h>
#include <rfb/ClientParams.h>
using namespace rfb;
ClientParams::ClientParams()
: majorVersion(0), minorVersion(0),
compressLevel(2), qualityLevel(-1), fineQualityLevel(-1),
subsampling(subsampleUndefined),
width_(0), height_(0),
cursorPos_(0, 0), ledState_(ledUnknown)
{
setName("");
cursor_ = new Cursor(0, 0, Point(), nullptr);
clipFlags = clipboardUTF8 | clipboardRTF | clipboardHTML |
clipboardRequest | clipboardNotify | clipboardProvide;
memset(clipSizes, 0, sizeof(clipSizes));
clipSizes[0] = 20 * 1024 * 1024;
}
ClientParams::~ClientParams()
{
delete cursor_;
}
void ClientParams::setDimensions(int width, int height)
{
ScreenSet layout;
layout.add_screen(rfb::Screen(0, 0, 0, width, height, 0));
setDimensions(width, height, layout);
}
void ClientParams::setDimensions(int width, int height, const ScreenSet& layout)
{
if (!layout.validate(width, height))
throw Exception("Attempted to configure an invalid screen layout");
width_ = width;
height_ = height;
screenLayout_ = layout;
}
void ClientParams::setPF(const PixelFormat& pf)
{
pf_ = pf;
if (pf.bpp != 8 && pf.bpp != 16 && pf.bpp != 32)
throw Exception("setPF: not 8, 16 or 32 bpp?");
}
void ClientParams::setName(const char* name)
{
name_ = name;
}
void ClientParams::setCursor(const Cursor& other)
{
delete cursor_;
cursor_ = new Cursor(other);
}
void ClientParams::setCursorPos(const Point& pos)
{
cursorPos_ = pos;
}
bool ClientParams::supportsEncoding(int32_t encoding) const
{
return encodings_.count(encoding) != 0;
}
void ClientParams::setEncodings(int nEncodings, const int32_t* encodings)
{
compressLevel = -1;
qualityLevel = -1;
fineQualityLevel = -1;
subsampling = subsampleUndefined;
encodings_.clear();
encodings_.insert(encodingRaw);
for (int i = nEncodings-1; i >= 0; i--) {
switch (encodings[i]) {
case pseudoEncodingSubsamp1X:
subsampling = subsampleNone;
break;
case pseudoEncodingSubsampGray:
subsampling = subsampleGray;
break;
case pseudoEncodingSubsamp2X:
subsampling = subsample2X;
break;
case pseudoEncodingSubsamp4X:
subsampling = subsample4X;
break;
case pseudoEncodingSubsamp8X:
subsampling = subsample8X;
break;
case pseudoEncodingSubsamp16X:
subsampling = subsample16X;
break;
}
if (encodings[i] >= pseudoEncodingCompressLevel0 &&
encodings[i] <= pseudoEncodingCompressLevel9)
compressLevel = encodings[i] - pseudoEncodingCompressLevel0;
if (encodings[i] >= pseudoEncodingQualityLevel0 &&
encodings[i] <= pseudoEncodingQualityLevel9)
qualityLevel = encodings[i] - pseudoEncodingQualityLevel0;
if (encodings[i] >= pseudoEncodingFineQualityLevel0 &&
encodings[i] <= pseudoEncodingFineQualityLevel100)
fineQualityLevel = encodings[i] - pseudoEncodingFineQualityLevel0;
encodings_.insert(encodings[i]);
}
}
void ClientParams::setLEDState(unsigned int state)
{
ledState_ = state;
}
uint32_t ClientParams::clipboardSize(unsigned int format) const
{
int i;
for (i = 0;i < 16;i++) {
if (((unsigned)1 << i) == format)
return clipSizes[i];
}
throw Exception("Invalid clipboard format 0x%x", format);
}
void ClientParams::setClipboardCaps(uint32_t flags, const uint32_t* lengths)
{
int i, num;
clipFlags = flags;
num = 0;
for (i = 0;i < 16;i++) {
if (!(flags & (1 << i)))
continue;
clipSizes[i] = lengths[num++];
}
}
bool ClientParams::supportsLocalCursor() const
{
if (supportsEncoding(pseudoEncodingCursorWithAlpha))
return true;
if (supportsEncoding(pseudoEncodingVMwareCursor))
return true;
if (supportsEncoding(pseudoEncodingCursor))
return true;
if (supportsEncoding(pseudoEncodingXCursor))
return true;
return false;
}
bool ClientParams::supportsCursorPosition() const
{
if (supportsEncoding(pseudoEncodingVMwareCursorPosition))
return true;
return false;
}
bool ClientParams::supportsDesktopSize() const
{
if (supportsEncoding(pseudoEncodingExtendedDesktopSize))
return true;
if (supportsEncoding(pseudoEncodingDesktopSize))
return true;
return false;
}
bool ClientParams::supportsLEDState() const
{
if (supportsEncoding(pseudoEncodingLEDState))
return true;
if (supportsEncoding(pseudoEncodingVMwareLEDState))
return true;
return false;
}
bool ClientParams::supportsFence() const
{
if (supportsEncoding(pseudoEncodingFence))
return true;
return false;
}
bool ClientParams::supportsContinuousUpdates() const
{
if (supportsEncoding(pseudoEncodingContinuousUpdates))
return true;
return false;
}
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