ICanvasRenderingContext2D
Represents the canvas rendering context.
More information is available at the WHATWG homepage:
http://www.whatwg.org/specs/web-apps/current-work/multipage/scripting.html#canvasrenderingcontext2d
Gets the associated canvas element.
Gets or sets the height of the canvas.
Gets or sets the width of the canvas.
void RestoreState()
Pop state stack and restore state.
void SaveState()
Push state on state stack.