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Blossom Life

Blossom Life

# 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.image_path = 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="未加载图像", wraplength=200) self.info_label.pack(pady=(0, 10)) # 基本操作按钮 basic_frame = tk.LabelFrame(control_frame, 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=lambda: self.rotate_image(90)).pack(fill=tk.X, pady=2) tk.Button(basic_frame, text="旋转-90°", command=lambda: self.rotate_image(-90)).pack(fill=tk.X, pady=2) tk.Button(basic_frame, text="水平翻转", command=self.flip_horizontal).pack(fill=tk.X, pady=2) tk.Button(basic_frame, text="垂直翻转", command=self.flip_vertical).pack(fill=tk.X, pady=2) # 滤镜效果 filter_frame = tk.LabelFrame(control_frame, text="滤镜效果", padx=5, pady=5) filter_frame.pack(fill=tk.X, pady=(0, 10)) filters = [ ("模糊", ImageFilter.BLUR), ("轮廓", ImageFilter.CONTOUR), ("细节增强", ImageFilter.DETAIL), ("边缘增强", ImageFilter.EDGE_ENHANCE), ("浮雕", ImageFilter.EMBOSS), ("锐化", ImageFilter.SHARPEN), ("平滑", ImageFilter.SMOOTH) ] for name, filter_type in filters: tk.Button(filter_frame, text=name, command=lambda ft=filter_type: self.apply_filter(ft)).pack(fill=tk.X, pady=2) # 调整参数 adjust_frame = tk.LabelFrame(control_frame, text="图像调整", padx=5, pady=5) adjust_frame.pack(fill=tk.X, pady=(0, 10)) # 亮度调整 tk.Label(adjust_frame, text="亮度:").pack(anchor=tk.W) self.brightness_scale = tk.Scale(adjust_frame, from_=0.1, to=2.0, resolution=0.1, orient=tk.HORIZONTAL, command=self.adjust_brightness) self.brightness_scale.set(1.0) self.brightness_scale.pack(fill=tk.X, pady=(0, 5)) # 对比度调整 tk.Label(adjust_frame, text="对比度:").pack(anchor=tk.W) self.contrast_scale = tk.Scale(adjust_frame, from_=0.1, to=2.0, resolution=0.1, orient=tk.HORIZONTAL, command=self.adjust_contrast) self.contrast_scale.set(1.0) self.contrast_scale.pack(fill=tk.X, pady=(0, 5)) # 饱和度调整 tk.Label(adjust_frame, text="饱和度:").pack(anchor=tk.W) self.saturation_scale = tk.Scale(adjust_frame, from_=0.0, to=2.0, resolution=0.1, orient=tk.HORIZONTAL, command=self.adjust_saturation) self.saturation_scale.set(1.0) self.saturation_scale.pack(fill=tk.X, pady=(0, 5)) # 重置按钮 tk.Button(control_frame, text="重置所有调整", command=self.reset_adjustments).pack(fill=tk.X, pady=5) # 右侧图像显示区域 image_frame = tk.LabelFrame(main_frame, text="图像预览", padx=10, pady=10) 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 open_image(self): file_path = filedialog.askopenfilename( title="选择图像文件", filetypes=[ ("图像文件", "*.jpg *.jpeg *.png *.bmp *.gif *.tiff"), ("所有文件", "*.*") ] ) if file_path: try: self.image_path = file_path self.original_image = Image.open(file_path) self.image = self.original_image.copy() # 更新图像信息 info_text = f"文件: {os.path.basename(file_path)}\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) # 重置调整参数 self.reset_adjustments() # 显示图像 self.display_image_on_canvas() self.status_bar.config(text=f"已加载: {os.path.basename(file_path)}") 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 = 600 if canvas_height <= 1: canvas_height = 500 # 计算缩放比例以适配画布 img_width, img_height = self.image.size width_ratio = canvas_width / img_width height_ratio = canvas_height / img_height scale_ratio = min(width_ratio, height_ratio, 1) # 限制最大缩放为原始尺寸 # 缩放图像 new_width = int(img_width * scale_ratio) new_height = int(img_height * scale_ratio) display_img = self.image.resize((new_width, new_height), Image.Resampling.LANCZOS) # 转换为PhotoImage并显示 self.display_image

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