question: private Shape decodeMarkBorder ( int width , int height ) { double left = width / 2.0 - 4 ; double top = height / 2.0 - 4 ; path . reset ( ) ; path . moveTo ( left + 0 , top + 0 ) ; path . lineTo ( left + 8 , top ) ; path . lineTo ( left + 4 , top + 6 ) ; path . closePath ( ) ; return path ; }
target:  Create the mark border shape.