Blend modes
2018-12-10 17:55:58
Can I find a definition of what each of the layer blend modes does?
2018-12-11 14:00:37
They're the same in most image editors, so you can read almost any resources designed for other apps and get a good idea of what they do in Pixelmator as well. Another good place to start is the Wikipedia article on the topic:
https://en.wikipedia.org/wiki/Blend_modes
https://en.wikipedia.org/wiki/Blend_modes