nscolor
NSColor transparency on black background?
In the background of my view, I draw a light blue color. And in the middle, i have a square box that is supposed to have an even lighter gray in it that has a 20% transparency. But for some reason the[详细]
2022-12-26 06:13 分类:问答Is there a conventional method for inverting NSColor values?
I\'m looking for a way to invert arbitrary NSColor values at runtime, and there doesn\'t appear to be any built-in method to do so.[详细]
2022-12-18 00:53 分类:问答