Resizing xmag resizes the magnification area. Widgets xmag uses the X Toolkit and the Athena Widget Set. The magnified image is displayed in the Scale widget. For more information, see the Athena Widget Set documentation. Below is the widget structure of the xmag application.
Indentation indicates hierarchical structure.
The widget class name is given first, followed by the widget instance name. By default, a 64x64 square is provided for the user to select an area of the screen. This option indicates the magnification to be used. 5 is the default. Authors Dave Sternlicht and Davor Matic, MIT X Consortium.