How to Create Translucent and Shaped Windows
Source: Sun Microsystems
JavaFX Script is a capable new language that offers a set of APIs for creating RIAs. It also provides the user with access to the rich features of the standard Java language. One of the major features introduced in the Java SE 6u10 release is the ability to create translucent and shaped windows. This includes: making application windows translucent (tuning the general opacity of the window and using a per-pixel translucency effect) setting shapes on application windows This feature is available for objects of the java.awt.Window class and its descendants, for example javax.swing.JFrame, javax.swing.JFDialog, java.awt.Frame.