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succeeding only to Canvas sphere which is charging
the representation to screen, It is used by intercepting
images drawn on the screen. Screen condition fluent
information, which charges event and screen diversion
as well as screen, also is used by capturing.
The usage of Canvas Class gets Canvas Class to
succeed to MoGuT Framework. Its important part is
Paint Method. It is used by getting Paint Method
overriding in succeeded Extends Canvas Class in the
bellow figures, and then by using super Method, to
carry out the role of Paint Method of high class as it is,
screen data, Graphics g object, which is necessary to
test, apply to be used Test Method.