GEGL porter-duff operations
artistic blend blur color compositors core display distort dither edge-detect enhance fractal frequency generic gradient grayscale hidden illusions input json layout light map math matting meta noise noise-reduction output porter-duff programming render scramble segmentation sharpen svgfilter tile tonemapping transform transparency vector video
svg:clear
svg:dst
svg:dst-atop
svg:dst-in
svg:dst-out
svg:dst-over
svg:src
svg:src-atop
svg:src-in
svg:src-out
svg:src-over
svg:xor
