# Canvas
The canvas object.
# Properties
# number width
The canvas height.
# number height
The canvas width.
# Methods
# string Canvas.toTempFilePath(Object object)
Saves the current canvas as a temporary file.
# RenderingContext Canvas.getContext(string contextType, Object contextAttributes)
Gets the drawing context of a canvas object.
# string Canvas.toDataURL()
Returns the drawing content on a canvas in data URI format.