本文整理汇总了C#中DrawingContext.GetCurrentState方法的典型用法代码示例。如果您正苦于以下问题:C# DrawingContext.GetCurrentState方法的具体用法?C# DrawingContext.GetCurrentState怎么用?C# DrawingContext.GetCurrentState使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类DrawingContext
的用法示例。
在下文中一共展示了DrawingContext.GetCurrentState方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Draw
/// <inheritdoc/>
protected internal override void Draw(DrawingContext dc, UIElement element, OutOfBandRenderTarget target)
{
var state = dc.GetCurrentState();
var position = (Vector2)element.View.Display.DipsToPixels(target.VisualBounds.Location);
var positionRounded = new Vector2((Int32)position.X, (Int32)position.Y);
dc.End();
effect.Value.Radius = GetRadiusInPixels(element);
effect.Value.Direction = BlurDirection.Vertical;
dc.Begin(SpriteSortMode.Immediate, effect, Matrix.Identity);
var shadowTexture = target.Next.ColorBuffer;
dc.Draw(shadowTexture, positionRounded, null, Color.White, 0f, Vector2.Zero, Vector2.One, SpriteEffects.None, 0f);
dc.End();
dc.Begin(state);
}
示例2: DrawRenderTargetAtVisualBounds
/// <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);
}
示例3: DrawCore
/// <inheritdoc/>
protected override void DrawCore(UltravioletTime time, DrawingContext dc)
{
if (clonedElement != null)
{
var dcState = dc.GetCurrentState();
dc.End();
var offsetRaw = Display.DipsToPixels(clonedElement.UntransformedAbsoluteBounds.Location - clonedElement.UntransformedRelativeBounds.Location);
var offsetX = dc.IsTransformed ? offsetRaw.X : Math.Round(offsetRaw.X, MidpointRounding.AwayFromZero);
var offsetY = dc.IsTransformed ? offsetRaw.Y : Math.Round(offsetRaw.Y, MidpointRounding.AwayFromZero);
var offset = new Vector2((Single)offsetX, (Single)offsetY);
var mtxTransform = Matrix.CreateTranslation(-offset.X, -offset.Y, 0);
var mtxTransformToView = GetTransformToViewMatrix(true);
var mtxTransformGlobal = dcState.GlobalTransform;
Matrix.Concat(ref mtxTransform, ref mtxTransformToView, out mtxTransform);
Matrix.Concat(ref mtxTransform, ref mtxTransformGlobal, out mtxTransform);
if (!dc.IsTransformed && !clonedElement.HasNonIdentityTransform)
{
mtxTransform = new Matrix(
mtxTransform.M11, mtxTransform.M12, mtxTransform.M13, (Single)Math.Round(mtxTransform.M14, MidpointRounding.AwayFromZero),
mtxTransform.M21, mtxTransform.M22, mtxTransform.M23, (Single)Math.Round(mtxTransform.M24, MidpointRounding.AwayFromZero),
mtxTransform.M31, mtxTransform.M32, mtxTransform.M33, (Single)Math.Round(mtxTransform.M34, MidpointRounding.AwayFromZero),
mtxTransform.M41, mtxTransform.M42, mtxTransform.M43, mtxTransform.M44);
}
dc.IsOutOfBandRenderingSuppressed = true;
dc.GlobalTransform = mtxTransform;
dc.Begin(Graphics.Graphics2D.SpriteSortMode.Deferred, null, Matrix.Identity);
clonedElement.Draw(null, dc);
dc.End();
dc.IsOutOfBandRenderingSuppressed = false;
dc.Begin(dcState);
}
base.DrawCore(time, dc);
}