internal static async Task Render(CompositionEngine compositionEngine, RenderTarget renderTarget, FrameworkElement rootElement, TextBlock textBlock)
{
using (var textFormat = new TextFormat(
compositionEngine.DWriteFactory,
textBlock.FontFamily.Source,
(float)textBlock.FontSize)
{
TextAlignment = textBlock.TextAlignment.ToSharpDX(),
ParagraphAlignment = ParagraphAlignment.Near
})
{
var rect = textBlock.GetBoundingRect(rootElement).ToSharpDX();
// For some reason we need a bigger rect for the TextBlock rendering to fit in the same boundaries
rect.Right++;
rect.Bottom++;
using (
var textBrush = await textBlock.Foreground.ToSharpDX(renderTarget, rect))
{
if (textBrush == null)
{
return;
}
var layer = textBlock.CreateAndPushLayerIfNecessary(renderTarget, rootElement);
// You can render the bounding rectangle to debug composition
//renderTarget.DrawRectangle(
// rect,
// textBrush);
renderTarget.DrawText(
textBlock.Text,
textFormat,
rect,
textBrush);
if (layer != null)
{
renderTarget.PopLayer();
layer.Dispose();
}
//}
}
}
}
