private Shape decodeEdge(int width,int height){
  path.reset();
  path.moveTo(width - 2,0);
  path.lineTo(width - 2,height - 4);
  path.lineTo(width - 4,height - 2);
  path.lineTo(3,height - 2);
  return path;
}

private Shape decodeEdge ( int width , int height ) { path . reset ( ) ; path . moveTo ( width - 2 , 0 ) ; path . lineTo ( width - 2 , height - 4 ) ; path . lineTo ( width - 4 , height - 2 ) ; path . lineTo ( 3 , height - 2 ) ; return path ; }
create the button edge shape .
