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duotone, tritone and quadrotone - DPaul - Dec-09-2021
Hi,
I can use python to create duotone images.
Convert to black & white.
Create a gradient between 2 colors (256 levels) e.g. black + pantone color.
Replace every B&W (x,x,x) pixel-tuple with te corresponding gradient value.
Now I want to experiment with tritone and quadtone.
But the procedure escapes me.
Who could describe in pseudo-code, like above, how that is supposed to work?
thx,
Paul