Scales the graphics context. All subsequent operations on this graphics context will be affected. All subsequent graphics operations will use this specified color. Gets the current font metrics for the specified font. The resulting clipping area is the intersection of the current clipping area and the specified rectangle.
Graphic operations have no effect outside of the clipping area.
Copies an area of the screen. The line is drawn below and to the left of the logical coordinates. Fills the specified rectangle with the current color. Clears the specified rectangle by filling it with the current background color of the current drawing surface. Which drawing surface it selects depends on how the graphics context was created.