Actionscript 3 has a convenient, yet powerful, drawing API. It is easy to learn and use and allows you to draw lines, shapes and curves. You may need to do custom charting or drawing for data visualization or perhaps you need to use the drawing API of a video game you are creating.
This tutorial video shows you the Actionscript code necessary to create drawings in Flash, Flash Builder, and Flex. This tutorial discusses drawing lines, curves, controlling shapes and fills and drawing geometric shapes.