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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("900x700") # 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): # 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) # 主界面布局 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="未加载图像", wraplength=230) self.info_label.pack(pady=10, padx=5) # 图像处理控制 tk.Label(control_frame, text="图像处理选项", font=("Arial", 12, "bold")).pack(pady=5) # 旋转控制 rotate_frame = tk.Frame(control_frame) rotate_frame.pack(pady=5, fill=tk.X, padx=5) tk.Label(rotate_frame, text="旋转角度:").pack(side=tk.LEFT) self.rotate_var = tk.StringVar(value="0") rotate_entry = tk.Entry(rotate_frame, textvariable=self.rotate_var, width=10) rotate_entry.pack(side=tk.LEFT, padx=5) tk.Button(rotate_frame, text="旋转", command=self.rotate_image).pack(side=tk.LEFT) # 缩放控制 scale_frame = tk.Frame(control_frame) scale_frame.pack(pady=5, fill=tk.X, padx=5) tk.Label(scale_frame, text="缩放比例:").pack(side=tk.LEFT) self.scale_var = tk.StringVar(value="100") scale_entry = tk.Entry(scale_frame, textvariable=self.scale_var, width=10) scale_entry.pack(side=tk.LEFT, padx=5) tk.Label(scale_frame, text="%").pack(side=tk.LEFT) # 滤镜选项 tk.Label(control_frame, text="滤镜效果", font=("Arial", 10, "bold")).pack(pady=(10, 5)) filter_frame = tk.Frame(control_frame) filter_frame.pack(pady=5, padx=5) filters = [ ("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), ("浮雕", self.apply_emboss), ("锐化", self.apply_sharpen), ("平滑", self.apply_smooth) ] for i, (name, command) in enumerate(filters): btn = tk.Button(filter_frame, text=name, command=command, width=12) btn.grid(row=i//2, column=i%2, padx=2, pady=2) # 调整选项 tk.Label(control_frame, text="图像调整", font=("Arial", 10, "bold")).pack(pady=(10, 5)) adjust_frame = tk.Frame(control_frame) adjust_frame.pack(pady=5, padx=5) # 亮度调整 tk.Label(adjust_frame, text="亮度:").grid(row=0, column=0, sticky=tk.W) self.brightness_var = tk.DoubleVar(value=1.0) brightness_scale = tk.Scale(adjust_frame, from_=0.0, to=2.0, resolution=0.1, orient=tk.HORIZONTAL, variable=self.brightness_var, length=150) brightness_scale.grid(row=0, column=1, padx=5) # 对比度调整 tk.Label(adjust_frame, text="对比度:").grid(row=1, column=0, sticky=tk.W, pady=5) self.contrast_var = tk.DoubleVar(value=1.0) contrast_scale = tk.Scale(adjust_frame, from_=0.0, to=2.0, resolution=0.1, orient=tk.HORIZONTAL, variable=self.contrast_var, length=150) contrast_scale.grid(row=1, column=1, padx=5, pady=5) # 应用调整按钮 tk.Button(adjust_frame, text="应用调整", command=self.apply_adjustments).grid(row=2, column=0, columnspan=2, pady=10) # 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) # 图像画布 self.canvas = tk.Canvas(image_frame, bg='gray') self.canvas.pack(fill=tk.BOTH, expand=True) # 底部按钮 button_frame = tk.Frame(main_frame) button_frame.pack(side=tk.BOTTOM, fill=tk.X, pady=(10, 0)) tk.Button(button_frame, text="打开图像", command=self.open_image, width=15).pack(side=tk.LEFT, padx=5) tk.Button(button_frame, text="保存图像", command=self.save_image, width=15).pack(side=tk.LEFT, padx=5) tk.Button(button_frame, text="重置图像", command=self.reset_image, width=15).pack(side=tk.LEFT, padx=5) tk.Button(button_frame, text="灰度化", command=self.convert_to_grayscale, width=15).pack(side=tk.LEFT, padx=5) 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"), ("所有文件", "*.*") ] ) if file_path: try: self.image_path = file_path self.image = Image.open(file_path) self.original_image = self.image.copy() # 更新图像信息 info_text = f"文件名: {os.path.basename(file_path)}\n" info_text += f"尺寸: {self.image.width} x {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() except Exception as e: messagebox.showerror("错误", f"无法打开图像: {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 # 计算缩放比例以适应画布 img_width, img_height = self.image.size width_ratio = canvas_width /

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