question: protected void paintForeground ( Graphics g ) { if ( graphComponent != null ) { Graphics2D g2 = ( Graphics2D ) g ; Stroke stroke = g2 . getStroke ( ) ; g . setColor ( Color . BLUE ) ; g2 . setStroke ( new BasicStroke ( 3 ) ) ; g . drawRect ( finderBounds . x , finderBounds . y , finderBounds . width , finderBounds . height ) ; g2 . setStroke ( stroke ) ; g . setColor ( DEFAULT_ZOOMHANDLE_FILL ) ; g . fillRect ( finderBounds . x + finderBounds . width - 6 , finderBounds . y + finderBounds . height - 6 , 8 , 8 ) ; g . setColor ( Color . BLACK ) ; g . drawRect ( finderBounds . x + finderBounds . width - 6 , finderBounds . y + finderBounds . height - 6 , 8 , 8 ) ; } }
target:  Paints the foreground. Foreground is dynamic and should never be made part of the triple buffer. It is painted on top of the buffer.