>>2199411Different but similar concept. The use of a frame in this case is to allow a vertical or undersized image to be used for a background without cropping or scaling, and without the need of drawing (or otherwise adding) more to the image.
The RIS thread similar, in that it uses a frame/shape and a faded or out of focus bg outside of it. But different in that the image within the frame/shape is not a render placed on the bg, but an entire image to itself.
