|None|: processing is not limited by any mask.



#12

#12

#12

#12

#12

#12

#12

#12

#12

|Mask Buffer|: use a Auxiliary Mask to limit pixel processing.



#1

#1

#1

#1

#1

#1

#1

#1

#1

|Image Mask|: use a the mask from an image to limit pixel processing.