private void OnCropAreaChanged(object sender, CropAreaChangedEventArgs e)
{
filterManager.CropFilter.UpdateCropRect(e.X, e.Y, e.Width, e.Height);
}
private void BroadcastCropAreaChangeEvent()
{
double viewfinderLeft = (double)HighlightBox.GetValue(Canvas.LeftProperty);
double viewfinderTop = (double)HighlightBox.GetValue(Canvas.TopProperty);
if (CropAreaChanged != null)
{
var evt = new CropAreaChangedEventArgs();
evt.X = viewfinderLeft;
evt.Y = viewfinderTop;
evt.Width = HighlightBox.Width;
evt.Height = HighlightBox.Height;
CropAreaChanged(this, evt);
}
}