Porter-Duff Browser

Demo of using Porter-Duff transfer modes on a simple pair of sample images. For the rationale behind their definition, see the original 1984 paper by Porter & Duff here http://keithp.com/~keithp/porterduff/

Source code available here: https://github.com/ldo/porter_duff_browser_android

And remember, always premultiply your alpha!