homography.py 文件源码

def __init__(self, parent):
        super(HomographyResultView, self).__init__(parent)
        self.cursor_default = QtGui.QCursor(Qt.CrossCursor)
        self.image_loaded = False

        new_scene = QtWidgets.QGraphicsScene(self)
        new_scene.setBackgroundBrush(QtGui.QBrush(QtGui.QColor(124, 124, 124)))
        txt = QtWidgets.QGraphicsSimpleTextItem("Compute homography to see results here.")
        new_scene.addItem(txt)
        self.setScene(new_scene)
        self.show()