Instance Method


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


- (CGRect)updateBounds;

Return Value

The bounds of the update region..


Initially updateBounds will include all differences between the current frame and the previously rendered frame.

See Also

Rendering a Frame

- beginFrameAtTime:timeStamp:

Begin rendering a frame at the specified time.

- addUpdateRect:

Adds the rectangle to the update region of 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.