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# 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： ```python import tkinter as tk from tkinter import filedialog, messagebox, ttk from PIL import Image, ImageTk, ImageFilter, ImageEnhance import os class 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) file_menu.add_command(label="保存", command=self.save_image) 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) # 创建主框架 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.Frame(main_frame, width=250, relief=tk.RAISED, borderwidth=2) control_frame.pack(side=tk.LEFT, fill=tk.Y, padx=(0, 10)) control_frame.pack_propagate(False) # 图像信息标签 self.info_label = tk.Label(control_frame, text="未打开图像", wraplength=230) self.info_label.pack(pady=10, padx=10, fill=tk.X) # 创建控制按钮 self.create_controls(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_controls(self, parent): # 滤镜效果 filter_frame = tk.LabelFrame(parent, text="滤镜效果", padx=10, pady=10) filter_frame.pack(fill=tk.X, padx=10, pady=5) filter_buttons = [ ("模糊", self.apply_blur), ("轮廓", self.apply_contour), ("细节增强", self.apply_detail), ("边缘增强", self.apply_edge_enhance), ("查找边缘", self.apply_find_edges), ("锐化", self.apply_sharpen), ("平滑", self.apply_smooth), ] for text, command in filter_buttons: btn = tk.Button(filter_frame, text=text, command=command, width=15) btn.pack(pady=2) # 颜色调整 color_frame = tk.LabelFrame(parent, text="颜色调整", padx=10, pady=10) color_frame.pack(fill=tk.X, padx=10, pady=5) # 亮度调整 brightness_frame = tk.Frame(color_frame) brightness_frame.pack(fill=tk.X, pady=5) tk.Label(brightness_frame, text="亮度:").pack(side=tk.LEFT) self.brightness_scale = tk.Scale(brightness_frame, from_=0.1, to=2.0, resolution=0.1, orient=tk.HORIZONTAL, length=150) self.brightness_scale.set(1.0) self.brightness_scale.pack(side=tk.RIGHT) # 对比度调整 contrast_frame = tk.Frame(color_frame) contrast_frame.pack(fill=tk.X, pady=5) tk.Label(contrast_frame, text="对比度:").pack(side=tk.LEFT) self.contrast_scale = tk.Scale(contrast_frame, from_=0.1, to=2.0, resolution=0.1, orient=tk.HORIZONTAL, length=150) self.contrast_scale.set(1.0) self.contrast_scale.pack(side=tk.RIGHT) # 饱和度调整 saturation_frame = tk.Frame(color_frame) saturation_frame.pack(fill=tk.X, pady=5) tk.Label(saturation_frame, text="饱和度:").pack(side=tk.LEFT) self.saturation_scale = tk.Scale(saturation_frame, from_=0.0, to=2.0, resolution=0.1, orient=tk.HORIZONTAL, length=150) self.saturation_scale.set(1.0) self.saturation_scale.pack(side=tk.RIGHT) # 应用颜色调整按钮 apply_color_btn = tk.Button(color_frame, text="应用颜色调整", command=self.apply_color_adjustments) apply_color_btn.pack(pady=5) # 图像操作 operation_frame = tk.LabelFrame(parent, text="图像操作", padx=10, pady=10) operation_frame.pack(fill=tk.X, padx=10, pady=5) operation_buttons = [ ("旋转90°", self.rotate_90), ("旋转-90°", self.rotate_minus_90), ("水平翻转", self.flip_horizontal), ("垂直翻转", self.flip_vertical), ("灰度化", self.convert_grayscale), ("缩略图", self.create_thumbnail), ] for text, command in operation_buttons: btn = tk.Button(operation_frame, text=text, command=command, width=15) btn.pack(pady=2) # 重置按钮 reset_btn = tk.Button(parent, text="重置图像", command=self.reset_image, bg="#ffcccc", width=20) reset_btn.pack(pady=20) 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: {os.path.basename(filename)}\n" info_text += f"尺寸: {self.image.width} × {self.image.height}\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 < 10: canvas_width = 700 canvas_height = 500 # 计算缩放比例以适配画布 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 display_img = self.image.copy() display_img.thumbnail(new_size, Image.Resampling.LANCZOS) # 转换为PhotoImage

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