Updated getRGBAPixels implementation to use copyChannel which is much faster
Updated getRGBAPixels implementation to use copyChannel which is much faster

Gama11/openfl,openfl/openfl,NenadBojkovski/openfl,Gama11/openfl,openfl/openfl,Gama11/openfl,openfl/openfl,NenadBojkovski/openfl,Gama11/openfl