Instance Method


Adds the rectangle to the update region of the current frame.


- (void)addUpdateRect:(CGRect)r;



A rectangle defining the region to be added to the update region.

See Also

Rendering a Frame

- beginFrameAtTime:timeStamp:

Begin rendering a frame at the specified time.

- updateBounds

Returns the bounds of the update region that contains all pixels that will be rendered by the current frame.

- render

Render the update region of the current frame to the target context.

- nextFrameTime

Returns the time at which the next update should happen.

- endFrame

Release any data associated with the current frame.