lab3.py 文件源码

def get_color_line(win):
    color = QtWidgets.QColorDialog.getColor(initial=Qt.black, title='???? ?????',
                                            options=QtWidgets.QColorDialog.DontUseNativeDialog)
    if color.isValid():
        win.color_line = color
        win.pen.setColor(color)
        s = QtWidgets.QGraphicsScene(0, 0, 10, 10)
        s.setBackgroundBrush(color)
        win.line_color.setScene(s)