If the blend modes were listed with their equations in a python file it would make a great addition to 'gimphelpers'. It could be called 'blend-mode-chooser'. Maybe that is where this is going?
Sorry I went off topic here. I got too complacent, idiots go xmas shopping while they are covid positive. I'll write about it on my blog
Sorry I went off topic here. I got too complacent, idiots go xmas shopping while they are covid positive. I'll write about it on my blog