void NegotiateDesktop()
{
byte shareDesktopSetting = _c.ReceiveByte();//是否同意分享屏幕
bool shareDesktop = shareDesktopSetting != 0;
var e = new CreatingDesktopEventArgs(shareDesktop);
OnCreatingDesktop(e);
var fbSource = _fbSource;
Framebuffer = fbSource != null?fbSource.Capture() : null;
VncStream.Require(Framebuffer != null,
"No framebuffer. Make sure you've called SetFramebufferSource. It can be set to a VncFramebuffer.",
VncFailureReason.SanityCheckFailed);
_clientPixelFormat = Framebuffer.PixelFormat;
_clientWidth = Framebuffer.Width; _clientHeight = Framebuffer.Height;
_fbuAutoCache = null;
_c.SendUInt16BE((ushort)Framebuffer.Width);
_c.SendUInt16BE((ushort)Framebuffer.Height);
var pixelFormat = new byte[VncPixelFormat.Size];
Framebuffer.PixelFormat.Encode(pixelFormat, 0);
_c.Send(pixelFormat);
_c.SendString(Framebuffer.Name, true);
}
private void NegotiateDesktop()
{
Logger.Info("Negotiating desktop settings");
byte shareDesktopSetting = this.c.ReceiveByte();
bool shareDesktop = shareDesktopSetting != 0;
var e = new CreatingDesktopEventArgs(shareDesktop);
this.OnCreatingDesktop(e);
var fbSource = this.fbSource;
this.Framebuffer = fbSource != null?fbSource.Capture() : null;
VncStream.Require(
this.Framebuffer != null,
"No framebuffer. Make sure you've called SetFramebufferSource. It can be set to a VncFramebuffer.",
VncFailureReason.SanityCheckFailed);
this.clientPixelFormat = this.Framebuffer.PixelFormat;
this.clientWidth = this.Framebuffer.Width;
this.clientHeight = this.Framebuffer.Height;
this.fbuAutoCache = null;
this.c.SendUInt16BE((ushort)this.Framebuffer.Width);
this.c.SendUInt16BE((ushort)this.Framebuffer.Height);
var pixelFormat = new byte[VncPixelFormat.Size];
this.Framebuffer.PixelFormat.Encode(pixelFormat, 0);
this.c.Send(pixelFormat);
this.c.SendString(this.Framebuffer.Name, true);
Logger.Info($"The desktop {this.Framebuffer.Name} has initialized with pixel format {this.clientPixelFormat}; the screen size is {this.clientWidth}x{this.clientHeight}");
}
bool FramebufferSendChanges()
{
var e = new FramebufferUpdatingEventArgs();
lock (FramebufferUpdateRequestLock)
{
if (FramebufferUpdateRequest != null)
{
var fbSource = _fbSource;
if (fbSource != null)
{
var newFramebuffer = fbSource.Capture();
if (newFramebuffer != null && newFramebuffer != Framebuffer)
{
Framebuffer = newFramebuffer;
}
}
OnFramebufferCapturing();
OnFramebufferUpdating(e);
if (!e.Handled)
{
if (_fbuAutoCache == null || _fbuAutoCache.Framebuffer != Framebuffer)
{
_fbuAutoCache = new VncFramebufferCache(Framebuffer);
}
e.Handled = true;
e.SentChanges = _fbuAutoCache.RespondToUpdateRequest(this);
}
}
}
return(e.SentChanges);
}
private bool FramebufferSendChanges()
{
var e = new FramebufferUpdatingEventArgs();
lock (this.FramebufferUpdateRequestLock)
{
if (this.FramebufferUpdateRequest != null)
{
var fbSource = this.fbSource;
if (fbSource != null)
{
var newFramebuffer = fbSource.Capture();
if (newFramebuffer != null && newFramebuffer != this.Framebuffer)
{
this.Framebuffer = newFramebuffer;
}
}
this.OnFramebufferCapturing();
this.OnFramebufferUpdating(e);
if (!e.Handled)
{
if (this.fbuAutoCache == null || this.fbuAutoCache.Framebuffer != this.Framebuffer)
{
this.fbuAutoCache = new VncFramebufferCache(this.Framebuffer);
}
e.Handled = true;
e.SentChanges = this.fbuAutoCache.RespondToUpdateRequest(this);
}
}
}
return e.SentChanges;
}
private void NegotiateDesktop()
{
Logger.Info("Negotiating desktop settings");
byte shareDesktopSetting = this.c.ReceiveByte();
bool shareDesktop = shareDesktopSetting != 0;
var e = new CreatingDesktopEventArgs(shareDesktop);
this.OnCreatingDesktop(e);
var fbSource = this.fbSource;
this.Framebuffer = fbSource != null ? fbSource.Capture() : null;
VncStream.Require(
this.Framebuffer != null,
"No framebuffer. Make sure you've called SetFramebufferSource. It can be set to a VncFramebuffer.",
VncFailureReason.SanityCheckFailed);
this.clientPixelFormat = this.Framebuffer.PixelFormat;
this.clientWidth = this.Framebuffer.Width;
this.clientHeight = this.Framebuffer.Height;
this.fbuAutoCache = null;
this.c.SendUInt16BE((ushort)this.Framebuffer.Width);
this.c.SendUInt16BE((ushort)this.Framebuffer.Height);
var pixelFormat = new byte[VncPixelFormat.Size];
this.Framebuffer.PixelFormat.Encode(pixelFormat, 0);
this.c.Send(pixelFormat);
this.c.SendString(this.Framebuffer.Name, true);
Logger.Info($"The desktop {this.Framebuffer.Name} has initialized with pixel format {this.clientPixelFormat}; the screen size is {this.clientWidth}x{this.clientHeight}");
}
