Given a CGImage or UIImage, how can I apply a custom color look-up table (aka LUT, CLUT, Color Map)? That is, how can I map the colors in the image to new colors, given a mapping?Given a CGImage or UIImage, how can I apply a c
Given a CGImage or UIImage, how can I apply a custom color look-up table (aka LUT, CLUT, Color Map)? That is, how can I map the colors in the image to new colors, given a mapping?Given a CGImage or UIImage, how can I apply a c