Sets the mathematical operation to be performed on the foreground and background elements. Applies the union of brightness from the foreground and background. Any areas which are shared between the fore-ground and
background are affected by the brightness of both images.
Applies the foreground brightness. Any areas that overlap with the background are removed from the resulting image.
Applies the shared areas of the foreground and background. This is the multiply function.
Applies the union of foreground and background. Any areas which are shared between the foreground and background are affected
by half the brightness of both images.
Applies the union of foreground and background. any areas which are shared between the foreground and background are removed
from the resulting image.
Applies the shared areas of foreground and background. The brightness of the image is unaffected.
Applies the union of foreground and background. The brightness of any areas which are shared between the foreground and the
background is unaffected.
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