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Bowers & Wilkins

Bowers & Wilkins

# 使用Python实现简单的图像处理工具下面是一个使用Python和Pillow库实现的简单图像处理工具，包含基本的图像处理功能：```pythonimport tkinter as tkfrom tkinter import filedialog, messagebox, ttkfrom PIL import Image, ImageTk, ImageFilter, ImageEnhanceimport osclass ImageProcessor: def __init__(self, root): self.root = root self.root.title("简易图像处理工具") self.root.geometry("1000x700") # 初始化变量 self.image = None self.original_image = None self.display_image = None self.filename = None # 创建界面 self.create_widgets() def create_widgets(self): # 创建菜单栏 menubar = tk.Menu(self.root) self.root.config(menu=menubar) # 文件菜单 file_menu = tk.Menu(menubar, tearoff=0) menubar.add_cascade(label="文件", menu=file_menu) file_menu.add_command(label="打开", command=self.open_image, accelerator="Ctrl+O") file_menu.add_command(label="保存", command=self.save_image, accelerator="Ctrl+S") file_menu.add_separator() file_menu.add_command(label="退出", command=self.root.quit) # 编辑菜单 edit_menu = tk.Menu(menubar, tearoff=0) menubar.add_cascade(label="编辑", menu=edit_menu) edit_menu.add_command(label="重置", command=self.reset_image) # 绑定快捷键 self.root.bind('<Control-o>', lambda e: self.open_image()) self.root.bind('<Control-s>', lambda e: self.save_image()) # 主框架 main_frame = tk.Frame(self.root) main_frame.pack(fill=tk.BOTH, expand=True, padx=10, pady=10) # 左侧控制面板 control_frame = tk.LabelFrame(main_frame, text="图像处理", padx=10, pady=10) control_frame.pack(side=tk.LEFT, fill=tk.Y, padx=(0, 10)) # 图像信息标签 self.info_label = tk.Label(control_frame, text="未打开图像", wraplength=200) self.info_label.pack(pady=(0, 10)) # 创建处理按钮 self.create_control_buttons(control_frame) # 右侧图像显示区域 image_frame = tk.Frame(main_frame, relief=tk.SUNKEN, borderwidth=2) image_frame.pack(side=tk.RIGHT, fill=tk.BOTH, expand=True) # 创建画布用于显示图像 self.canvas = tk.Canvas(image_frame, bg='gray') self.canvas.pack(fill=tk.BOTH, expand=True) # 状态栏 self.status_bar = tk.Label(self.root, text="就绪", bd=1, relief=tk.SUNKEN, anchor=tk.W) self.status_bar.pack(side=tk.BOTTOM, fill=tk.X) def create_control_buttons(self, parent): # 基本操作按钮 basic_frame = tk.LabelFrame(parent, text="基本操作", padx=5, pady=5) basic_frame.pack(fill=tk.X, pady=(0, 10)) tk.Button(basic_frame, text="旋转90°", command=self.rotate_90).pack(side=tk.LEFT, padx=2) tk.Button(basic_frame, text="水平翻转", command=self.flip_horizontal).pack(side=tk.LEFT, padx=2) tk.Button(basic_frame, text="垂直翻转", command=self.flip_vertical).pack(side=tk.LEFT, padx=2) # 滤镜效果 filter_frame = tk.LabelFrame(parent, text="滤镜效果", padx=5, pady=5) filter_frame.pack(fill=tk.X, pady=(0, 10)) tk.Button(filter_frame, text="模糊", command=lambda: self.apply_filter(ImageFilter.BLUR)).pack(side=tk.LEFT, padx=2) tk.Button(filter_frame, text="轮廓", command=lambda: self.apply_filter(ImageFilter.CONTOUR)).pack(side=tk.LEFT, padx=2) tk.Button(filter_frame, text="细节增强", command=lambda: self.apply_filter(ImageFilter.DETAIL)).pack(side=tk.LEFT, padx=2) tk.Button(filter_frame, text="边缘增强", command=lambda: self.apply_filter(ImageFilter.EDGE_ENHANCE)).pack(side=tk.LEFT, padx=2) # 颜色调整 color_frame = tk.LabelFrame(parent, text="颜色调整", padx=5, pady=5) color_frame.pack(fill=tk.X, pady=(0, 10)) tk.Button(color_frame, text="灰度化", command=self.convert_grayscale).pack(side=tk.LEFT, padx=2) tk.Button(color_frame, text="亮度+", command=lambda: self.adjust_brightness(1.2)).pack(side=tk.LEFT, padx=2) tk.Button(color_frame, text="亮度-", command=lambda: self.adjust_brightness(0.8)).pack(side=tk.LEFT, padx=2) tk.Button(color_frame, text="对比度+", command=lambda: self.adjust_contrast(1.5)).pack(side=tk.LEFT, padx=2) # 尺寸调整 resize_frame = tk.LabelFrame(parent, text="尺寸调整", padx=5, pady=5) resize_frame.pack(fill=tk.X, pady=(0, 10)) tk.Button(resize_frame, text="缩小50%", command=lambda: self.resize_image(0.5)).pack(side=tk.LEFT, padx=2) tk.Button(resize_frame, text="放大150%", command=lambda: self.resize_image(1.5)).pack(side=tk.LEFT, padx=2) # 重置按钮 tk.Button(parent, text="重置图像", command=self.reset_image, bg="#f0f0f0").pack(pady=(10, 0)) def open_image(self): filetypes = [ ("图像文件", "*.jpg *.jpeg *.png *.bmp *.gif"), ("所有文件", "*.*") ] filename = filedialog.askopenfilename( title="选择图像文件", filetypes=filetypes ) if filename: try: self.filename = filename self.image = Image.open(filename) self.original_image = self.image.copy() # 更新图像信息 info_text = f"文件名: {os.path.basename(filename)}\n" info_text += f"尺寸: {self.image.width} × {self.image.height}\n" info_text += f"格式: {self.image.format}\n" info_text += f"模式: {self.image.mode}" self.info_label.config(text=info_text) # 显示图像 self.display_image_on_canvas() self.status_bar.config(text=f"已打开: {os.path.basename(filename)}") except Exception as e: messagebox.showerror("错误", f"无法打开图像文件:\n{str(e)}") def display_image_on_canvas(self): if self.image: # 获取画布尺寸 canvas_width = self.canvas.winfo_width() canvas_height = self.canvas.winfo_height() # 如果画布尺寸太小，使用默认尺寸 if canvas_width <= 1: canvas_width = 800 if canvas_height <= 1: canvas_height = 600 # 计算缩放比例以适应画布 img_width, img_height = self.image.size ratio = min(canvas_width / img_width, canvas_height / img_height) new_size = (int(img_width * ratio), int(img_height * ratio)) # 调整图像大小以适合画布 display_img = self.image.copy() display_img.thumbnail(new_size, Image.Resampling.LANCZOS) # 转换为PhotoImage self.display_image = ImageTk.PhotoImage(display_img) # 清除画布并显示新图像 self.canvas.delete("all") self.canvas.create_image( canvas_width // 2, canvas_height // 2, anchor=tk.CENTER, image=self.display_image ) def save_image(self): if self.image: filetypes = [ ("JPEG文件", "*.jpg"), ("PNG文件", "*.png"), ("BMP文件", "*.bmp"),

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