ENUM
public enum ImageArea
case full
The full image size.
case bottom
The last vertical third.
case bottomCenter
The second horizontal third of the last vertical third.
case bottomLeft
The first horizontal third of the last vertical third.
case bottomRight
The last horizontal third of the last vertical third.
case center
The second horizontal third of the second vertical third.
case centerLeft
The first horizontal third of the second vertical third.
case centerRight
The last horizontal third of the second vertical third.
case custom(rect: CGRect)
A custom area of the image defined by a CGRect.
case horizontalCenter
The second vertical third.
case left
The first horizontal third.
case right
The last horizontal third.
case top
The first vertical third.
case topCenter
The second horizontal third of the first vertical third.
case topLeft
The first horizontal third of the first vertical third.
case topRight
The last horizontal third of the first vertical third.
case verticalCenter
The second horizontal third.