/// <summary>
/// Draws the specified render target at its desired visual bounds.
/// </summary>
/// <param name="dc">The current drawing context.</param>
/// <param name="element">The element being drawn.</param>
/// <param name="target">The render target that contains the element's graphics.</param>
/// <param name="effect">The shader effect to apply to the render target, if any.</param>
public static void DrawRenderTargetAtVisualBounds(DrawingContext dc, UIElement element, OutOfBandRenderTarget target, GraphicsEffect effect = null)
{
Contract.Require(dc, "dc");
Contract.Require(element, "element");
Contract.Require(target, "rtarget");
if (element.View == null)
return;
var state = dc.GetCurrentState();
dc.End();
dc.Begin(SpriteSortMode.Immediate, effect, Matrix.Identity);
var position = (Vector2)element.View.Display.DipsToPixels(target.VisualBounds.Location);
var positionRounded = new Vector2((Int32)position.X, (Int32)position.Y);
dc.Draw(target.ColorBuffer, positionRounded, null, Color.White, 0f, Vector2.Zero, Vector2.One, SpriteEffects.None, 0f);
dc.End();
dc.Begin(state);
}
/// <summary>
/// Draws the specified render target at its desired visual bounds.
/// </summary>
/// <param name="dc">The current drawing context.</param>
/// <param name="element">The element being drawn.</param>
/// <param name="target">The render target that contains the element's graphics.</param>
/// <param name="effect">The shader effect to apply to the render target, if any.</param>
public static void DrawRenderTargetAtVisualBounds(DrawingContext dc, UIElement element, OutOfBandRenderTarget target, GraphicsEffect effect = null)
{
Contract.Require(dc, nameof(dc));
Contract.Require(element, nameof(element));
Contract.Require(target, nameof(target));
if (element.View == null)
{
return;
}
var state = dc.GetCurrentState();
dc.End();
dc.Begin(SpriteSortMode.Immediate, effect, Matrix.Identity);
var position = (Vector2)element.View.Display.DipsToPixels(target.VisualBounds.Location);
var positionRounded = new Vector2((Int32)position.X, (Int32)position.Y);
dc.RawDraw(target.ColorBuffer, positionRounded, null, Color.White, 0f, Vector2.Zero, Vector2.One, SpriteEffects.None, 0f);
dc.End();
dc.Begin(state);
}
