{\r
final int[] xdir = this._getContour_xdir;// static int xdir[8] = { 0,1, 1, 1, 0,-1,-1,-1};\r
final int[] ydir = this._getContour_ydir;// static int ydir[8] = {-1,-1,0, 1, 1, 1, 0,-1};\r
{\r
final int[] xdir = this._getContour_xdir;// static int xdir[8] = { 0,1, 1, 1, 0,-1,-1,-1};\r
final int[] ydir = this._getContour_ydir;// static int ydir[8] = {-1,-1,0, 1, 1, 1, 0,-1};\r