import tkinter as tk
from tkinter import filedialog, messagebox
from PIL import Image

class GIFMakerApp:
    def __init__(self, root):
        self.root = root
        self.root.title("GIF Maker")

        # 选择图片按钮
        self.select_button = tk.Button(root, text="选择图片", command=self.select_images)
        self.select_button.pack(pady=10)

        # 保存 GIF 按钮
        self.save_button = tk.Button(root, text="保存 GIF", command=self.save_gif, state=tk.DISABLED)
        self.save_button.pack(pady=10)

        self.images = []  # 保存选择的图片

    def select_images(self):
        # 选择多张图片
        image_paths = filedialog.askopenfilenames(title="选择图片", filetypes=[("Image files", "*.jpg;*.png;*.jpeg;*.bmp"), ("All files", "*.*")])
        if image_paths:
            self.images = [Image.open(image_path) for image_path in image_paths]  # 打开所有选择的图片
            messagebox.showinfo("已选择图片", f"已选择 {len(self.images)} 张图片")
            self.save_button.config(state=tk.NORMAL)  # 启用保存按钮

    def save_gif(self):
        if not self.images:
            messagebox.showwarning("警告", "没有选择图片！")
            return

        # 设置保存文件名
        save_path = filedialog.asksaveasfilename(defaultextension=".gif", filetypes=[("GIF files", "*.gif")])
        if save_path:
            # 保存为GIF，指定每帧的时间间隔
            self.images[0].save(save_path, save_all=True, append_images=self.images[1:], duration=10, loop=0)
            messagebox.showinfo("成功", f"GIF 已保存到: {save_path}")

# 启动 GUI 应用
if __name__ == "__main__":
    root = tk.Tk()
    app = GIFMakerApp(root)
    root.geometry("300x200")
    root.mainloop()