private BrushImpl CreateBrushImpl(IBrush brush, Size destinationSize)
{
var solid = brush as ISolidColorBrush;
var linearGradientBrush = brush as ILinearGradientBrush;
var radialGradientBrush = brush as IRadialGradientBrush;
var imageBrush = brush as IImageBrush;
var visualBrush = brush as IVisualBrush;
BrushImpl impl = null;
if (solid != null)
{
impl = new SolidColorBrushImpl(solid, opacityOverride);
}
else if (linearGradientBrush != null)
{
impl = new LinearGradientBrushImpl(linearGradientBrush, destinationSize);
}
else if (radialGradientBrush != null)
{
impl = new RadialGradientBrushImpl(radialGradientBrush, destinationSize);
}
else if (imageBrush != null)
{
impl = new ImageBrushImpl(imageBrush, (BitmapImpl)imageBrush.Source.PlatformImpl, destinationSize);
}
else if (visualBrush != null)
{
if (_visualBrushRenderer != null)
{
var intermediateSize = _visualBrushRenderer.GetRenderTargetSize(visualBrush);
if (intermediateSize.Width >= 1 && intermediateSize.Height >= 1)
{
using (var intermediate = new Cairo.ImageSurface(Cairo.Format.ARGB32, (int)intermediateSize.Width, (int)intermediateSize.Height))
{
using (var ctx = new RenderTarget(intermediate).CreateDrawingContext(_visualBrushRenderer))
{
ctx.Clear(Colors.Transparent);
_visualBrushRenderer.RenderVisualBrush(ctx, visualBrush);
}
return(new ImageBrushImpl(
visualBrush,
new RenderTargetBitmapImpl(intermediate),
destinationSize));
}
}
}
else
{
throw new NotSupportedException("No IVisualBrushRenderer was supplied to DrawingContextImpl.");
}
}
else
{
impl = new SolidColorBrushImpl(null, opacityOverride);
}
return(impl);
}
private IDisposable SetBrush(IBrush brush, Size destinationSize)
{
_context.Save();
var solid = brush as SolidColorBrush;
var linearGradientBrush = brush as LinearGradientBrush;
var radialGradientBrush = brush as RadialGradientBrush;
var imageBrush = brush as ImageBrush;
var visualBrush = brush as VisualBrush;
BrushImpl impl = null;
if (solid != null)
{
impl = new SolidColorBrushImpl(solid, opacityOverride);
}
else if (linearGradientBrush != null)
{
impl = new LinearGradientBrushImpl(linearGradientBrush, destinationSize);
}
else if (radialGradientBrush != null)
{
impl = new RadialGradientBrushImpl(radialGradientBrush, destinationSize);
}
else if (imageBrush != null)
{
impl = new ImageBrushImpl(imageBrush, destinationSize);
}
else if (visualBrush != null)
{
impl = new VisualBrushImpl(visualBrush, destinationSize);
}
else
{
impl = new SolidColorBrushImpl(null, opacityOverride);
}
_context.SetSource(impl.PlatformBrush);
return(Disposable.Create(() =>
{
impl.Dispose();
_context.Restore();
}));
}
private BrushImpl CreateBrushImpl(IBrush brush, Size destinationSize)
{
var solid = brush as ISolidColorBrush;
var linearGradientBrush = brush as ILinearGradientBrush;
var radialGradientBrush = brush as IRadialGradientBrush;
var imageBrush = brush as IImageBrush;
var visualBrush = brush as IVisualBrush;
BrushImpl impl = null;
if (solid != null)
{
impl = new SolidColorBrushImpl(solid, opacityOverride);
}
else if (linearGradientBrush != null)
{
impl = new LinearGradientBrushImpl(linearGradientBrush, destinationSize);
}
else if (radialGradientBrush != null)
{
impl = new RadialGradientBrushImpl(radialGradientBrush, destinationSize);
}
else if (imageBrush != null)
{
impl = new ImageBrushImpl(imageBrush, destinationSize);
}
else if (visualBrush != null)
{
impl = new VisualBrushImpl(visualBrush, destinationSize);
}
else
{
impl = new SolidColorBrushImpl(null, opacityOverride);
}
return(impl);
}
private BrushImpl CreateBrushImpl(IBrush brush, Size destinationSize)
{
var solid = brush as SolidColorBrush;
var linearGradientBrush = brush as LinearGradientBrush;
var radialGradientBrush = brush as RadialGradientBrush;
var imageBrush = brush as ImageBrush;
var visualBrush = brush as VisualBrush;
BrushImpl impl = null;
if (solid != null)
{
impl = new SolidColorBrushImpl(solid, opacityOverride);
}
else if (linearGradientBrush != null)
{
impl = new LinearGradientBrushImpl(linearGradientBrush, destinationSize);
}
else if (radialGradientBrush != null)
{
impl = new RadialGradientBrushImpl(radialGradientBrush, destinationSize);
}
else if (imageBrush != null)
{
impl = new ImageBrushImpl(imageBrush, destinationSize);
}
else if (visualBrush != null)
{
impl = new VisualBrushImpl(visualBrush, destinationSize);
}
else
{
impl = new SolidColorBrushImpl(null, opacityOverride);
}
return impl;
}
