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Blitz Pets

Blitz Pets

# 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) 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) edit_menu.add_command(label="旋转90度", command=lambda: self.rotate_image(90)) edit_menu.add_command(label="旋转180度", command=lambda: self.rotate_image(180)) edit_menu.add_command(label="旋转270度", command=lambda: self.rotate_image(270)) # 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) # 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) # 图像显示画布 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) # 控制面板内容 tk.Label(control_frame, text="图像处理工具", font=("Arial", 14, "bold")).pack(pady=10) # 文件信息 self.file_label = tk.Label(control_frame, text="未打开文件", wraplength=230) self.file_label.pack(pady=5, padx=10) # 分隔线 ttk.Separator(control_frame, orient='horizontal').pack(fill=tk.X, pady=10) # 图像调整控件 tk.Label(control_frame, text="亮度调整", font=("Arial", 10)).pack(pady=(10, 5)) self.brightness_var = tk.DoubleVar(value=1.0) brightness_scale = tk.Scale(control_frame, from_=0.1, to=3.0, resolution=0.1, orient=tk.HORIZONTAL, variable=self.brightness_var, command=self.adjust_brightness, length=200) brightness_scale.pack(pady=5) tk.Label(control_frame, text="对比度调整", font=("Arial", 10)).pack(pady=(10, 5)) self.contrast_var = tk.DoubleVar(value=1.0) contrast_scale = tk.Scale(control_frame, from_=0.1, to=3.0, resolution=0.1, orient=tk.HORIZONTAL, variable=self.contrast_var, command=self.adjust_contrast, length=200) contrast_scale.pack(pady=5) # 滤镜按钮 tk.Label(control_frame, text="滤镜效果", font=("Arial", 10)).pack(pady=(20, 5)) filter_frame = tk.Frame(control_frame) filter_frame.pack(pady=5) tk.Button(filter_frame, text="模糊", width=10, command=self.apply_blur).pack(side=tk.LEFT, padx=2) tk.Button(filter_frame, text="锐化", width=10, command=self.apply_sharpen).pack(side=tk.LEFT, padx=2) filter_frame2 = tk.Frame(control_frame) filter_frame2.pack(pady=5) tk.Button(filter_frame2, text="边缘检测", width=10, command=self.apply_edge).pack(side=tk.LEFT, padx=2) tk.Button(filter_frame2, text="黑白", width=10, command=self.apply_grayscale).pack(side=tk.LEFT, padx=2) # 旋转按钮 tk.Label(control_frame, text="旋转操作", font=("Arial", 10)).pack(pady=(20, 5)) rotate_frame = tk.Frame(control_frame) rotate_frame.pack(pady=5) tk.Button(rotate_frame, text="左转90°", width=10, command=lambda: self.rotate_image(-90)).pack(side=tk.LEFT, padx=2) tk.Button(rotate_frame, text="右转90°", width=10, command=lambda: self.rotate_image(90)).pack(side=tk.LEFT, padx=2) # 重置按钮 tk.Button(control_frame, text="重置图像", command=self.reset_image, width=20).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() # 更新文件信息 file_info = f"文件: {os.path.basename(filename)}\n" file_info += f"尺寸: {self.image.width} × {self.image.height}\n" file_info += f"格式: {self.image.format}" self.file_label.config(text=file_info) # 重置调整参数 self.brightness_var.set(1.0) self.contrast_var.set(1.0) # 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 = 600 canvas_height = 400 # 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 new_width = int(img_width * scale_ratio) new_height = int(img_height * scale_ratio) # 调整图像大小 display_img = self.image.resize((new_width, new_height), Image.Resampling.LANCZOS) # 转换为PhotoImage self.display_image = ImageTk.PhotoImage(display_img) # 清除画布并显示图像 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 =

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