Add flash canvas support to QuadraticDrawing.
Add flash canvas support to QuadraticDrawing.

RobertoMalatesta/envisionjs,bigspotteddog/envisionjs,bigspotteddog/envisionjs,RobertoMalatesta/envisionjs,notepad104/envisionjs,HumbleSoftware/envisionjs,notepad104/envisionjs,HumbleSoftware/envisionjs,RobertoMalatesta/envisionjs,notepad104/envisionjs