internal ComplexLayer(D2D1.RenderTarget target, ref DXM.RawRectangleF clipBounds, D2D1.Geometry geometryPath,
float opacity)
{
_target = target;
_geometry = geometryPath;
target.PushLayer(clipBounds, geometryPath, opacity);
}
/// <summary>
/// Pushes an opacity value.
/// </summary>
/// <param name="opacity">The opacity.</param>
/// <returns>A disposable used to undo the opacity.</returns>
public void PushOpacity(double opacity)
{
if (opacity < 1)
{
var parameters = new LayerParameters
{
ContentBounds = PrimitiveExtensions.RectangleInfinite,
MaskTransform = PrimitiveExtensions.Matrix3x2Identity,
Opacity = (float)opacity,
};
var layer = _layerPool.Count != 0 ? _layerPool.Pop() : new Layer(_renderTarget);
_renderTarget.PushLayer(ref parameters, layer);
_layers.Push(layer);
}
else
{
_layers.Push(null);
}
}
/// <summary>
/// Creates and pushes a D2D layer if necessary. Returns the layer or null if not required.
/// </summary>
/// <param name="element">The element.</param>
/// <param name="renderTarget">The render target.</param>
/// <param name="rootElement"></param>
/// <returns></returns>
public static D2D.Layer CreateAndPushLayerIfNecessary(this Jupiter.FrameworkElement element, D2D.RenderTarget renderTarget, Jupiter.FrameworkElement rootElement)
{
if (element.Opacity >= 1)
//element.Clip == null &&
//element.RenderTransform == null)
{
return(null);
}
var layer = new D2D.Layer(renderTarget);
var layerParameters = new D2D.LayerParameters();
layerParameters.Opacity = (float)element.Opacity;
layerParameters.ContentBounds = element.GetBoundingRect(rootElement).ToSharpDX();
renderTarget.PushLayer(ref layerParameters, layer);
return(layer);
}
public static void PushLayer(
this D2D1.RenderTarget target,
DXM.RawRectangleF clipBounds,
D2D1.Geometry geometryPath,
float opacity)
{
var layerParameters = new D2D1.LayerParameters()
{
GeometricMask = geometryPath,
MaskTransform = Identity,
ContentBounds = clipBounds,
LayerOptions = D2D1.LayerOptions.None,
Opacity = opacity,
OpacityBrush = null
};
target.PushLayer(ref layerParameters, null);
}
