GEGL distort 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
gegl:engrave
gegl:lens-distortion
gegl:ripple
gegl:shift
gegl:spherize
gegl:value-propagate
gegl:video-degradation
gegl:waves
gegl:whirl-pinch
gegl:wind
