/// <summary>
/// Attaches a renderer.
/// </summary>
/// <param name="pixelWidth">The width of the display area in pixels.</param>
/// <param name="pixelHeight">The height of the display area in pixels.</param>
/// <exception cref="InvalidOperationException">A renderer is already attached.</exception>
private void AttachRenderer(int pixelWidth, int pixelHeight)
{
lock (this.deviceManager)
{
if (this.terminalRenderer != null)
{
throw new InvalidOperationException("Renderer already attached.");
}
this.terminalRenderer = new ScreenDisplayRenderer(this, this.terminal.RenderableScreen);
this.d2dTarget = new SurfaceImageSourceTarget(pixelWidth, pixelHeight);
this.forceRender = true;
this.deviceManager.OnInitialize += this.d2dTarget.Initialize;
this.deviceManager.OnInitialize += this.terminalRenderer.Initialize;
this.deviceManager.Initialize(DisplayInformation.GetForCurrentView().LogicalDpi);
this.rectangle.Fill = new ImageBrush()
{
ImageSource = this.d2dTarget.ImageSource
};
this.d2dTarget.OnRender += terminalRenderer.Render;
CompositionTarget.Rendering += CompositionTarget_Rendering;
}
}
/// <summary>
/// Detaches the renderer.
/// </summary>
private void DetachRenderer()
{
lock (this.deviceManager)
{
if (this.terminalRenderer == null)
{
return;
}
CompositionTarget.Rendering -= CompositionTarget_Rendering;
this.d2dTarget.OnRender -= terminalRenderer.Render;
this.rectangle.Fill = null;
this.deviceManager.OnInitialize -= this.d2dTarget.Initialize;
this.deviceManager.OnInitialize -= this.terminalRenderer.Initialize;
this.d2dTarget.Dispose();
this.d2dTarget = null;
this.terminalRenderer.Dispose();
this.terminalRenderer = null;
}
}
/// <summary>
/// Detaches the renderer.
/// </summary>
private void DetachRenderer()
{
lock (this.deviceManager)
{
if (this.terminalRenderer == null)
{
return;
}
CompositionTarget.Rendering -= CompositionTarget_Rendering;
this.d2dTarget.OnRender -= terminalRenderer.Render;
this.rectangle.Fill = null;
this.deviceManager.OnInitialize -= this.d2dTarget.Initialize;
this.deviceManager.OnInitialize -= this.terminalRenderer.Initialize;
this.d2dTarget.Dispose();
this.d2dTarget = null;
this.terminalRenderer.Dispose();
this.terminalRenderer = null;
}
}
/// <summary>
/// Attaches a renderer.
/// </summary>
/// <param name="pixelWidth">The width of the display area in pixels.</param>
/// <param name="pixelHeight">The height of the display area in pixels.</param>
/// <exception cref="InvalidOperationException">A renderer is already attached.</exception>
private void AttachRenderer(int pixelWidth, int pixelHeight)
{
lock (this.deviceManager)
{
if (this.terminalRenderer != null)
{
throw new InvalidOperationException("Renderer already attached.");
}
this.terminalRenderer = new ScreenDisplayRenderer(this, this.terminal.RenderableScreen);
this.d2dTarget = new SurfaceImageSourceTarget(pixelWidth, pixelHeight);
this.forceRender = true;
this.deviceManager.OnInitialize += this.d2dTarget.Initialize;
this.deviceManager.OnInitialize += this.terminalRenderer.Initialize;
this.deviceManager.Initialize(DisplayInformation.GetForCurrentView().LogicalDpi);
this.rectangle.Fill = new ImageBrush() { ImageSource = this.d2dTarget.ImageSource };
this.d2dTarget.OnRender += terminalRenderer.Render;
CompositionTarget.Rendering += CompositionTarget_Rendering;
}
}
