public class SimpleColorFilter
extends android.graphics.PorterDuffColorFilter
A color filter with a predefined transfer mode that applies the specified color on top of the
original color. As there are many other transfer modes, please take a look at the definition
of PorterDuff.Mode.SRC_ATOP to find one that suits your needs.
This site has a great explanation of Porter/Duff compositing algebra as well as a visual
representation of many of the transfer modes:
http://ssp.impulsetrain.com/porterduff.html