public static RectDouble GetCanvasViewportBounds(this CanvasView canvasView)
{
RectDouble canvasBounds = canvasView.GetCanvasBounds();
RectDouble extentRect = canvasView.ConvertCanvasToExtent(canvasBounds);
return(canvasView.ConvertExtentToViewport(extentRect));
}
private void OnCanvasViewIsHighQualityScalingEnabledChanged(object sender, ValueChangedEventArgs <bool> e)
{
if (!base.CheckAccess())
{
PaintDotNet.Canvas.Canvas owner = base.Owner;
if ((owner != null) && (owner.Dispatcher != null))
{
try
{
object[] args = new object[] { sender, e };
base.Owner.Dispatcher.BeginInvoke(new Action <object, ValueChangedEventArgs <bool> >(this.OnCanvasViewIsHighQualityScalingEnabledChanged), args);
}
catch (Exception)
{
}
}
}
else if (!base.IsDisposed)
{
CanvasView key = (CanvasView)sender;
if (this.documentCanvasLayerViews.ContainsKey(key))
{
this.RecreateDocumentCanvasLayerView(key);
key.Invalidate(key.GetCanvasBounds());
}
}
}
private static void OnIsPixelGridEnabledPropertyChanged(DependencyObject target, DependencyPropertyChangedEventArgs e)
{
CanvasView canvasView = (CanvasView)target;
canvasView.Invalidate(canvasView.GetCanvasBounds());
RaiseIsPixelGridEnabledChanged(canvasView, e);
}