53 lines
1.6 KiB
Python
53 lines
1.6 KiB
Python
import tkinter as tk
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# 创建主窗口
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root = tk.Tk()
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root.title("Draw Circles on Canvas")
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# 获取屏幕的宽度和高度
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screen_width = root.winfo_screenwidth()
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screen_height = root.winfo_screenheight()
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# 计算画布的大小
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canvas_width = 800
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canvas_height = 600
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# 计算画布在屏幕上的位置，使其居中显示
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x_position = (screen_width - canvas_width) // 2
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y_position = (screen_height - canvas_height) // 2
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# 设置主窗口的大小和位置
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root.geometry(f"{canvas_width}x{canvas_height}+{x_position}+{y_position}")
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# 创建一个 Canvas 组件，背景颜色为黑色
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canvas = tk.Canvas(root, bg="black", width=canvas_width, height=canvas_height)
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canvas.pack()
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# 计算画布的中心坐标
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center_x = canvas_width // 2
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center_y = canvas_height // 2
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# 定义浅绿色的颜色代码
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light_green = "#90EE90"
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# 定义中心圆的半径
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center_radius = 50
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# 在中心绘制一个浅绿色的实心圆
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canvas.create_oval(center_x - center_radius, center_y - center_radius,
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center_x + center_radius, center_y + center_radius,
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fill=light_green, outline="")
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# 定义空心圆的起始半径和半径增量
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start_radius = center_radius + 20
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radius_increment = 20
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# 绘制 5 个空心圆
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for i in range(5):
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current_radius = start_radius + i * radius_increment
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canvas.create_oval(center_x - current_radius, center_y - current_radius,
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center_x + current_radius, center_y + current_radius,
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outline="white")
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# 运行主循环
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root.mainloop() |