question: protected void drawTriangle ( int x , int y , int w , int h , Color fillColor , Paint fillPaint , Color penColor , boolean shadow , String direction ) { Polygon triangle = new Polygon ( ) ; if ( direction . equals ( mxConstants . DIRECTION_NORTH ) ) { triangle . addPoint ( x , y + h ) ; triangle . addPoint ( x + w / 2 , y ) ; triangle . addPoint ( x + w , y + h ) ; } else if ( direction . equals ( mxConstants . DIRECTION_SOUTH ) ) { triangle . addPoint ( x , y ) ; triangle . addPoint ( x + w / 2 , y + h ) ; triangle . addPoint ( x + w , y ) ; } else if ( direction . equals ( mxConstants . DIRECTION_WEST ) ) { triangle . addPoint ( x + w , y ) ; triangle . addPoint ( x , y + h / 2 ) ; triangle . addPoint ( x + w , y + h ) ; } else { triangle . addPoint ( x , y ) ; triangle . addPoint ( x + w , y + h / 2 ) ; triangle . addPoint ( x , y + h ) ; } drawPolygon ( triangle , fillColor , fillPaint , penColor , shadow ) ; }
target:  Draws a triangle shape for the given parameters.