question: static synchronized boolean isShapingSupported ( ) { if ( isShapingSupported == null ) { XToolkit . awtLock ( ) ; try { isShapingSupported = XlibWrapper . XShapeQueryExtension ( XToolkit . getDisplay ( ) , XlibWrapper . larg1 , XlibWrapper . larg2 ) ; } finally { XToolkit . awtUnlock ( ) ; } } return isShapingSupported . booleanValue ( ) ; }
target:  Returns whether the XSHAPE extension available