def __init__(self, iface):
canvas = iface.mapCanvas()
super(MapSwipeTool, self).__init__(canvas)
self.view = iface.layerTreeView()
self.msgBar = iface.messageBar()
self.swipe = SwipeMap(canvas)
self.checkDirection = self.hasSwipe = self.disabledSwipe = None
self.firstPoint = QPoint()
self.cursorV = QCursor(Qt.SplitVCursor)
self.cursorH = QCursor(Qt.SplitHCursor)
