Converts RGB to monochrome (luminance) jit.rgb2luma converts a 4-plane char ARGB (alpha, red, green, blue) matrix into a 1-plane char monochrome matrix containing the luminosity of the original matrix using the equation L = (.299 * R value) + (.587 * G value) + (.114 * B value). Cycling '74 Jitter Jitter Colorspace in TEXT_HERE TEXT_HERE out TEXT_HERE dumpout TEXT_HERE char Alpha scaling factor The alpha scaling factor (default = 0.) Blue scaling factor (default = 0.114) The blue scaling factor (default = 0.114) Green scaling factor (default = 0.587) The green scaling factor (default = 0.587) Red scaling factor (default = 0.299) The red scaling factor (default = 0.299)