weight_pt属性
weight_pt属性
获取或设置线的粗细（以点为单位）。
定义：
@property
def weight_pt(self):
...
@weight_pt.setter
def weight_pt(self, value):
...
获取或设置线的粗细（以点为单位）。
@property
def weight_pt(self):
...
@weight_pt.setter
def weight_pt(self, value):
...
