Android implementation of CompoundBlur belong to Mario Klingemann. Big thank to him! :D
This is a Javascript demo: http://www.quasimondo.com/CompoundBlurForCanvas/CompoundBlurDemo.html
I dont know why it work when running on Visualstudio but did not work in Android NDK (C++), so i use java code(low performance) instead of c++ native code .
##Demo
