Krita already has this reference layer feature, It’s called “Colored Labled Layers” and available in the fill and selection tools. It requires you to add a color label to layers you want to use as a reference layer first.
Krita already has this reference layer feature, It’s called “Colored Labled Layers” and available in the fill and selection tools. It requires you to add a color label to layers you want to use as a reference layer first.