def drawEllipse(self, x, y, r):
self.Item = qt.QGraphicsEllipseItem(x - r / 2, y - r / 2, r, r)
self.Item.setFlag(qt.QGraphicsItem.ItemIsMovable)
pen = qt.QPen(qt.Qt.blue)
pen.setWidth(3)
brush = qt.QBrush(qt.QColor(0xFF, 0, 0, 0x00))
self.Item.setBrush(brush)
self.Item.setPen(pen)
self.scene.addItem(self.Item)
def drawPoint(self, x, y):
self.scene.addRect(x, y, 4, 4, qt.Qt.black, qt.QBrush(qt.Qt.red))
self.scene.update