|Parameter Name||Type||Default Value||Meaning|
|left||number||0||left side of display area to get|
|bottom||number||0||bottom side of display area to get|
|width||number||960||width side of display area to get|
|height||number||640||height side of display area to get|
Note that this works even for a display that is not visible (because it is covered by another display, or has been turned off. This allows you to use a PixelDisplay as an area to create images at runtime, using any combination of drawing methods, and then capture the result for use as a Sprite, or to save to disk, etc.