stefanceriu/SCSiriWaveformView — pull request #2 by rosskimes (2014-05-05 20:13:23+00:00)
Title: Support for colors with alpha components.

The computed alpha component is multiplied by `self.waveColor`'s alpha component. This allows uses to set the wave color to something like `[UIColor colorWithWhite:1.0 alpha:0.3]`. In this example, the max alpha component for the stoke would be `0.3`.