Changing the color of NSProgressIndicator?

Question

What is the best way to change the color of NSProgressIndicator, is there an easier way than just to subclass it and then draw the whole component by myself?

Basical

Answer 1

Use "CIFalseColor" filter to get white color and more.

let colorFilter = CIFilter(name: "CIFalseColor")!
colorFilter.setDefaults()
colorFilter.setValue(color1, forKey: "inputColor0")
colorFilter.setValue(color2, forKey: "inputColor1")
proggressBar?.contentFilters = [colorFilter]