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Eric McConville edited this page Jun 21, 2015
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2 revisions
CIMaskToAlpha
Converts a grayscale image to a white image that is masked by alpha. The white values from the source image produce the inside of the mask; the black values become completely transparent.
-inputImage <image> : The image to use as an input image. For filters that also use a background image, this is the foreground image.