117 lines
3.7 KiB
Python
117 lines
3.7 KiB
Python
import tkinter as tk
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from tkinter import filedialog, messagebox
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import qrcode
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from PIL import Image
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# 生成二维码的函数
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def generate_qr():
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text = text_input.get("1.0", tk.END).strip() # 获取用户输入的文字
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if not text:
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messagebox.showerror("错误", "请输入内容！")
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return
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# 选择保存路径
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save_path = filedialog.asksaveasfilename(
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defaultextension=".png",
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filetypes=[("PNG 图片", "*.png"), ("所有文件", "*.*")]
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)
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if not save_path:
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return # 用户取消保存时退出
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try:
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# 调用 qrcode 库生成二维码
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qr = qrcode.QRCode(
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version=1, # 控制二维码大小，1~40
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error_correction=qrcode.constants.ERROR_CORRECT_H, # 容错率，可选 L, M, Q, H
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box_size=10, # 每个模块的像素大小
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border=4, # 边框宽度（模块单位）
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)
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qr.add_data(text) # 添加内容
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qr.make(fit=True) # 适配大小
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# 生成二维码图片
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qr_img = qr.make_image(fill_color="black", back_color="white").convert("RGBA")
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# 将二维码中的白色背景透明化
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qr_img = make_background_transparent(qr_img)
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# 如果选择了背景图片，将其融合到二维码中
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if bg_image_path.get():
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bg_img = Image.open(bg_image_path.get()).convert("RGBA")
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qr_img = blend_qr_with_bg(qr_img, bg_img)
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qr_img.save(save_path) # 保存图片
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messagebox.showinfo("成功", f"二维码已生成并保存至：\n{save_path}")
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except Exception as e:
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messagebox.showerror("错误", f"生成二维码失败：\n{e}")
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# 选择背景图片的函数
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def select_bg_image():
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file_path = filedialog.askopenfilename(
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filetypes=[("图片文件", "*.png;*.jpg;*.jpeg"), ("所有文件", "*.*")]
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)
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if file_path:
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bg_image_path.set(file_path)
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bg_label.config(text=f"已选择背景图片：{file_path}")
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# 将二维码和背景图片融合的函数
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def blend_qr_with_bg(qr_img, bg_img):
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# 调整背景图片大小与二维码一致
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bg_img = bg_img.resize(qr_img.size, Image.Resampling.LANCZOS)
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# 将二维码与背景图片融合
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# 将二维码图像直接粘贴到背景图上
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bg_img.paste(qr_img, (0, 0), qr_img)
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return bg_img
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# 将二维码图像中的白色背景转为透明
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def make_background_transparent(img):
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# 获取图片的像素数据
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img_data = img.getdata()
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# 创建新的像素列表，透明化白色背景
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new_data = []
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for item in img_data:
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# 如果是白色背景（RGB: 255, 255, 255），则设置透明度为 0
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if item[0] == 255 and item[1] == 255 and item[2] == 255:
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new_data.append((255, 255, 255, 0)) # 透明
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else:
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new_data.append(item) # 保留原始颜色
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# 更新图像数据
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img.putdata(new_data)
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return img
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# 创建主窗口
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window = tk.Tk()
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window.title("二维码生成器")
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window.geometry("500x400")
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# 创建输入框和标签
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label = tk.Label(window, text="请输入内容：", font=("Arial", 12))
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label.pack(pady=10)
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text_input = tk.Text(window, height=6, width=50)
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text_input.pack(pady=10)
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# 背景图片选择
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bg_image_path = tk.StringVar() # 用于存储背景图片路径
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bg_button = tk.Button(window, text="选择背景图片", font=("Arial", 12), command=select_bg_image)
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bg_button.pack(pady=5)
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bg_label = tk.Label(window, text="未选择背景图片", font=("Arial", 10))
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bg_label.pack(pady=5)
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# 创建生成按钮
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generate_button = tk.Button(window, text="生成二维码", font=("Arial", 12), command=generate_qr)
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generate_button.pack(pady=10)
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# 启动主循环
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window.mainloop()
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