question: @ Override public BufferedImage createDropShadow ( BufferedImage source ) { BufferedImage subject = new BufferedImage ( source . getWidth ( ) + this . shadowSize * 2 , source . getHeight ( ) + this . shadowSize * 2 , BufferedImage . TYPE_INT_ARGB ) ; Graphics2D g2 = subject . createGraphics ( ) ; g2 . drawImage ( source , null , this . shadowSize , this . shadowSize ) ; g2 . dispose ( ) ; applyShadow ( subject ) ; return subject ; }
target:  Creates and returns an image containing the drop shadow for the specified source image.