private static void OnBackgroundColorChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
IBCanvasControl sender = d as IBCanvasControl;
if (sender != null)
{
sender.glControl.MakeCurrent();
GL.ClearColor(sender.BackgroundColor.R / 255.0f, sender.BackgroundColor.G / 255.0f, sender.BackgroundColor.B / 255.0f, 255);
sender.glControl.Refresh();
}
}
public static IBCoord GetImageCoord(IBCanvasControl source, System.Windows.Point mousePos, double zoom)
{
if (source.TargetLayer == null)
{
return(new IBCoord());
}
PresentationSource s = PresentationSource.FromVisual(source);
double dpiX = s.CompositionTarget.TransformToDevice.M11;
double dpiY = s.CompositionTarget.TransformToDevice.M22;
double resultX = (source.camX - (source.glControl.Width / 2 - mousePos.X * dpiX)) / zoom;
double resultY = (source.TargetLayer.imageData.actualSize.Height * zoom - source.camY - (source.glControl.Height / 2 - mousePos.Y * dpiY)) / zoom;
resultY += source.TargetLayer.Rect.OffsetY * 2.0;
return(new IBCoord(resultX, resultY));
}
