*ZOOM (IMAGE)

*ZOOM={top}:{bottom}:{left}:{right}

The image display routines normally attempt to display the entire image, scaled to the size of the window. This may be overridden by using the *ZOOM list control to specify the top, bottom, left, and right image file coordinates. The coordinates are given in terms of pixels.

The *INFO command retrieves the size of an image in pixels, and the user may then calculate the portion of the image desired based on the information retrieved from the file.

See Also: List Controls (IMAGE), IMAGE