Opaque and transparencies, at the same time.
Use opaque color for impasto, or glazing over with transparencies, any process, any time.
Different reflectance behaviour for dense/diluted colors, enjoy the hue shifts as you mix.
Allow different light source and exposure control of the image.
Node-Based Brush Engine
...Is that allowed under GPL V3 to limit commercial use?
My speculation: it was intended to mean: use it under terms of GPLv3 (for commercial purposes or not), OR contact to negotiate different terms.
But there's a built-in assumption that no commercial entity would _want_ to use it under GPLv3 terms.
vintagedave•4h ago