CIColorBlendMode - emcconville/cif GitHub Wiki

CIColorBlendMode

Uses the luminance values of the background with the hue and saturation values of the source image. This mode preserves the gray levels in the image.

• -inputImage <image> : The image to use as an input image. For filters that also use a background image, this is the foreground image.
• -inputBackgroundImage <image> : The image to use as a background image.