/// <summary>Gets the UI ready for receiving image data from the server and asks for the first update.</summary>
/// <param name="connectionInfo">Information about the connection.</param>
private void StartFrameBuffer(ConnectionInfo connectionInfo)
{
var frameWidth = connectionInfo.Width;
var frameHeight = connectionInfo.Height;
if (this.frameBufferBitmap == null ||
this.frameBufferBitmap.PixelWidth != frameWidth ||
this.frameBufferBitmap.PixelHeight != frameHeight)
{
this.frameBufferBitmap = new WriteableBitmap(frameWidth, frameHeight);
}
if (this.zoomBufferBitmap == null)
{
this.zoomBufferBitmap = new WriteableBitmap(50, 50);
}
this.FrameBuffer.Source = this.frameBufferBitmap;
this.ZoomBrush.ImageSource = this.zoomBufferBitmap;
this.connection.StartAsync();
this.connection.UpdateAsync(true);
var timer = new DispatcherTimer();
timer.Interval = TimeSpan.FromMilliseconds(250);
timer.Tick += (s, e) => this.OnTimer();
timer.Start();
this.updateTimer = timer;
}
/// <summary>Initialize the frame buffer with the reported width and
/// height from the server.</summary>
/// <param name="info">The connection info.</param>
private void StartFramebuffer(ConnectionInfo info)
{
this.DoInvoke(
() =>
{
this.ShowStatus = Visibility.Collapsed;
this.FrameWidth = Math.Max(info.Width, 320);
this.FrameHeight = Math.Max(info.Height, 240);
this.Framebuffer = new WriteableBitmap(
this.FrameWidth,
this.FrameHeight,
96,
96,
PixelFormats.Bgr32,
null);
this.connectionPort.StartAsync();
this.connectionPort.UpdateAsync(true);
this.Title = info.Name + " - Old Man of the VNC";
this.timer = new DispatcherTimer(
TimeSpan.FromSeconds(1.0 / 4),
DispatcherPriority.Background,
OnTimer,
Dispatcher);
this.timer.Start();
});
}