I am drawing muliptle images (Swift) and sometimes they overlap. but if two areas overlap that have an alpha value (both have same color, same alpha) I get a darker image, as colors are normally additive. I think blendmode is supposed to compensate for this (unless I’m out in left field). but if …

CGContext Blendmode

ubogun 27 December 2021 15:40 5

Maybe this overview helps a bit:

Sometimes you want to make an underlying image to pop-up, make it darker or brighter, apply texture or just vanish…

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