public ImageInfo GetTransformedImage(Orientation index)
{
Transform transform = TransformFromOrientation(index);
TransformedBitmap result = new TransformedBitmap((BitmapSource)fSystemImage, transform);
return(new ImageInfo(result));
}
public Transform TransformFromOrientation(Orientation orientation)
{
var transform = new TransformGroup();
if (orientation.Value > 3)
{
transform.Children.Add(new ScaleTransform(-1, 1));
}
switch (orientation.Value & 3)
{
case 1:
transform.Children.Add(new RotateTransform(90D));
break;
case 2:
transform.Children.Add(new RotateTransform(180D));
break;
case 3:
transform.Children.Add(new RotateTransform(270D));
break;
default: // No rotation
break;
}
return(transform);
}
public Orientation GetThumbnailOrientation()
{
var res = Metadata.Read("Tumbnail.Orientation");
if (res != null)
{
return(Orientation.FromExif((int)(UInt16)res));
}
else
{
return(new Orientation());
}
}