ch22 Posted January 4, 2021 Posted January 4, 2021 Hello I am currently writing tutorials about blending modes (for instance, see http://www.oitregor.com/numeric/affinity_photo/ouvre2_tutoAP.html?8e —french only, sorry) and I met up against odd behaviour with vivid light mode. Roughly speaking, duplicating a layer, inverting the copy and putting it in vivid light mode should result into a 50% grey display, except possibly for black pixels which lead to a division by 0 —unless Affinity Photo does not follow the common formulae for this mode. I tried the experiment with the following picture Il is made of two gradients, the upper one involving mid-range tones, neither too clear nor too dark while the lower gradient involves darker tones, near black, but not only pure black. After the process (duplicating, inverting, vivid light mode) I obtained tones far from the expected 50% grey for the lower gradient, as shown below : Same result in MacOS and Windows. Any explanation, if any ? Thank you Quote
Staff MEB Posted January 4, 2021 Staff Posted January 4, 2021 Hi @ch22,Thanks for your report/feedback. We are already aware of a few issues with the Vivid Light blend mode. I've updated our log and added a link to this thread for reference. Quote A Guide to Learning Affinity Software
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