premultiply


Description:

public void premultiply ()

Converts a non-premultiplied color to a pre-multiplied color.

For example, semi-transparent red is (1.0, 0, 0, 0.5) when non-premultiplied and (0.5, 0, 0, 0.5) when premultiplied.

Parameters:

this

the color to premultiply