Name: AlphaTest
       Status: Windows(Y), Linux(Y)
        Level: Beginner
      Modules: app, core, display
Last modified: 28. June 2002
     Progress: Mostly complete
   Maintainer: Core developers
      Summary: Various alpha support, drawing a custom surface on a canvas, jpeg loading

This example shows a custom gradient surface, and displays alpha lines and rects
on a background image.