矩形缩放测试程序.py

本程序只是为了测试自己编写的rect模块里面的scale方法.。

"""
   矩形缩放测试程序.py
"""
import time
from rect import *
from tkinter import *
    
root = Tk()
root.title('矩形缩放测试程序www.lixingqiu.com')
cv = Canvas(width=480,height=360,bg='cyan')
cv.pack()

def demo(event):
    k = 5
    while k>0.1:
        r1.scale(k)
        cv.create_rectangle(r1.left,r1.top,
                            r1.right,r1.bottom)
        k = k - 0.2
        cv.update()
        time.sleep(0.1)   
    cv.create_rectangle(r1.raw_left,r1.raw_top,
                        r1.raw_right,r1.raw_bottom,fill='red')

# 实例化,左上角坐标(200,140)，宽80，高40
r1 = Rect(200,140,80,40)         # 创建矩形对象
cv.bind("",demo)
root.mainloop()