Emboss image Provides a quick and dirty embossing effect on an 4-plane char input matrix. You can specify the amount and direction of the emboss effect and apply an overall tint to the output matrix. Cycling '74 Jitter Jitter Blur/Sharpen in TEXT_HERE TEXT_HERE out TEXT_HERE dumpout TEXT_HERE char Alpha channel tinting The amount of tinting to apply to the alpha channel (plane 0) (default = 0.) Blue channel tinting The amount of tinting to apply to the blue channel (plane 3) (default = 0.) Green channel tinting The amount of tinting to apply to the green channel (plane 2) (default = 0.) Embossing mask The overall embossing mask (default = 0 0 0 0)
The numbers in the list control the embossing amount for the four axes around each cell in the form upperleft-to-lowerright top-to-bottom upperright-to-lowerleft across-the-middle. Negative values will invert the direction of the effect. Red channel tinting The amount of tinting to apply to the red channel (plane 1) (default = 0.)