效果展示

锐化前：

锐化后

代码

sharpen_img.py

import tkinter as tk
from tkinter import filedialog
from PIL import Image, ImageTk,ImageFilter
import os
class ImageViewerApp:
    def __init__(self, root):
        self.root = root
        self.root.title("图片查看器")

        self.suffix = ''
        self.dirname_filename =''
        self.image_label = None
        self.new_window = None

        # 设置按钮用于打开文件对话框
        self.open_button = tk.Button(self.root, text="打开图片", command=self.open_image)
        self.open_button.pack(pady=20)

    def on_window_close(self,file_path):
        # 检查文件是否存在
        if os.path.exists(file_path):
            # 删除文件
            os.remove(file_path)
            print(f"原图已删除。")
        else:
            print(f"文件 {file_path} 不存在。")
        self.new_window.destroy()

    def on_escape(self,event):
        root.destroy()

    def resize_img(self,original_image):

        # 获取屏幕的长和宽
        screen_width = root.winfo_screenwidth()
        screen_height = root.winfo_screenheight()

        # 获取图片的长和宽
        image_width, image_height = original_image.size

        # 检查图片是否超出了屏幕大小，并相应地调整大小
        if image_width > screen_width-50 or image_height > screen_height-50:
            # 计算缩放比例，这里我们取屏幕和图片尺寸中较小的那个比例的70%
            scale_factor = min(screen_width / image_width, screen_height / image_height) * 0.8
            new_width = int(image_width * scale_factor)
            new_height = int(image_height * scale_factor)

            # 缩放图片
            resized_image = original_image.resize((new_width, new_height), Image.ANTIALIAS)

            # 转换为Tkinter可以显示的格式
            photo = ImageTk.PhotoImage(resized_image)
        else:
            # 图片不需要缩放，直接转换
            photo = ImageTk.PhotoImage(original_image)
        return photo

    def update_image(self,factor, input_image_path):
        """根据滑块的值更新图片"""
        global photo, original_image

        sharpened = self.sharpen_image(input_image_path, factor)
        # 对锐化后的图片缩放以使它小于屏幕大小
        photo = self.resize_img(sharpened)
        self.image_label.config(image=photo)
        self.image_label.image = photo  # 保持对photo的引用

    def next_window(self,file_path):
        # 创建一个新的窗口
        self.new_window = tk.Toplevel(root)

        self.new_window.title("图片锐化")

        # 绑定Esc键关闭窗口
        self.new_window.bind("<Escape>", self.on_escape)

        # 这样写会立即执行 on_window_close，直接把图片删除
        # self.new_window.protocol("WM_DELETE_WINDOW", self.on_window_close(file_path))

        self.new_window.protocol("WM_DELETE_WINDOW", lambda: self.on_window_close(file_path))

        self.suffix = file_path.split('.')[-1]
        self.dirname_filename = file_path.split('.')[0]

        # 打开图片##########################################################
        original_image = Image.open(file_path)
        # 输入打开后的图片流 对图片进行resize，然后返回photo
        photo = self.resize_img(original_image)

        # 显示图片
        self.image_label = tk.Label(self.new_window)
        self.image_label.pack(side=tk.TOP, fill=tk.BOTH, expand=True)
        self.image_label.config(image=photo)
        self.image_label.image = photo  # 保持对photo的引用

        # 滑块，用于调整锐化级别
        slider = tk.Scale(self.new_window, from_=0.0, to=10.0, orient="horizontal",
                          command=lambda value: self.update_image(slider.get(), file_path))

        slider.pack(side=tk.BOTTOM, fill=tk.X, pady=10)


    def sharpen_image(self,input_image_path, factor):
        img = Image.open(input_image_path)
        sharpened_img = img.filter(ImageFilter.UnsharpMask(radius=factor, threshold=3))  # 注意：这里假设我们只用radius和threshold
        output_image_path = self.dirname_filename + f'_new.' + self.suffix
        sharpened_img.save(output_image_path)
        return sharpened_img

    def open_image(self):
        # 打开文件对话框，选择图片
        file_path = filedialog.askopenfilename(filetypes=[("图片文件", "*.png;*.jpg;*.jpeg;*.gif;*.bmp")])
        if file_path:
            # 打开新窗口
            self.next_window(file_path)


if __name__ == "__main__":
    root = tk.Tk()
    app = ImageViewerApp(root)
    root.mainloop()

脚本代码

sharpen_img.bat

@echo on
chcp 65001
E:
cd E:\pythonProject\ImageTools\sharpen_image
call H:\Programmer_Software\anaconda2022\Scripts\activate base
python v3_sharpen_image.py
exit()