Format: BackdropBackgroundInsets real real real real,
Example: BackdropBackgroundInsets 0.004 0.004 0.004 0.004,
Purpose: Cuts in the mainTexture from the outside, to define space between the edgeFile (Border) and the mainTexture
The args are Right, TOP, Bottom, Left.
The values can be negative to increase the space on which the the Background is displayed, the position of the frame and Edge keep untouched.
Can also be used to rotate the Backdrop when Top&Bottom are as big as the Height than the Icon will be rotated.
Used in: BACKDROP