336                                           canvwidth=600, canvheight=500):  argument
340         self.canvwidth, self.canvheight = canvwidth, canvheight
360     def reset(self, canvwidth=None, canvheight=None, bg = None):  argument
362         if canvwidth:
363             self.canvwidth = canvwidth
369                         scrollregion=(-self.canvwidth//2, -self.canvheight//2,
370                                        self.canvwidth//2, self.canvheight//2))
371         self._canvas.xview_moveto(0.5*(self.canvwidth - self.width + 30) /
372                                                                self.canvwidth)
383         self._canvas.xview_moveto(0.5*(self.canvwidth-cwidth)/self.canvwidth)
385         if cwidth < self.canvwidth or cheight < self.canvheight:
484             w = self.cv.canvwidth
490         self.canvwidth = w
774     def _resize(self, canvwidth=None, canvheight=None, bg=None):  argument
780             return self.canvwidth, self.canvheight
781         if canvwidth is canvheight is bg is None:
782             return self.cv.canvwidth, self.cv.canvheight
783         if canvwidth is not None:
784             self.canvwidth = canvwidth
787         self.cv.reset(canvwidth, canvheight, bg)
1063             self._setscrollregion(-self.canvwidth//2, -self.canvheight//2,
1064                                        self.canvwidth//2, self.canvheight//2)
1097         self.xscale = self.canvwidth / xspan
1101         srx2 = self.canvwidth + srx1
1485     def screensize(self, canvwidth=None, canvheight=None, bg=None):  argument
1502         return self._resize(canvwidth, canvheight, bg)
3684             canvwidth = _CFG["canvwidth"]
3688             self._root.setupcanvas(width, height, canvwidth, canvheight)