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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 from PIL import Image, ImageFilter, ImageEnhance import os import tkinter as tk from tkinter import filedialog, messagebox, ttk import threading class ImageProcessor: def __init__(self): self.image = None self.original_image = None self.current_path = None def load_image(self, filepath): """加载图像""" try: self.image = Image.open(filepath) self.original_image = self.image.copy() self.current_path = filepath return True except Exception as e: messagebox.showerror("错误", f"无法加载图像: {str(e)}") return False def save_image(self, filepath=None): """保存图像""" if self.image is None: messagebox.showwarning("警告", "没有图像可保存") return False try: if filepath is None: filepath = self.current_path if filepath: self.image.save(filepath) messagebox.showinfo("成功", f"图像已保存到: {filepath}") return True except Exception as e: messagebox.showerror("错误", f"保存失败: {str(e)}") return False def reset_image(self): """重置为原始图像""" if self.original_image is not None: self.image = self.original_image.copy() return True return False def apply_filter(self, filter_type): """应用滤镜""" if self.image is None: return False try: if filter_type == "blur": self.image = self.image.filter(ImageFilter.BLUR) elif filter_type == "contour": self.image = self.image.filter(ImageFilter.CONTOUR) elif filter_type == "detail": self.image = self.image.filter(ImageFilter.DETAIL) elif filter_type == "edge_enhance": self.image = self.image.filter(ImageFilter.EDGE_ENHANCE) elif filter_type == "emboss": self.image = self.image.filter(ImageFilter.EMBOSS) elif filter_type == "sharpen": self.image = self.image.filter(ImageFilter.SHARPEN) elif filter_type == "smooth": self.image = self.image.filter(ImageFilter.SMOOTH) elif filter_type == "find_edges": self.image = self.image.filter(ImageFilter.FIND_EDGES) return True except Exception as e: messagebox.showerror("错误", f"应用滤镜失败: {str(e)}") return False def adjust_brightness(self, factor): """调整亮度""" if self.image is None: return False try: enhancer = ImageEnhance.Brightness(self.image) self.image = enhancer.enhance(factor) return True except Exception as e: messagebox.showerror("错误", f"调整亮度失败: {str(e)}") return False def adjust_contrast(self, factor): """调整对比度""" if self.image is None: return False try: enhancer = ImageEnhance.Contrast(self.image) self.image = enhancer.enhance(factor) return True except Exception as e: messagebox.showerror("错误", f"调整对比度失败: {str(e)}") return False def adjust_sharpness(self, factor): """调整锐度""" if self.image is None: return False try: enhancer = ImageEnhance.Sharpness(self.image) self.image = enhancer.enhance(factor) return True except Exception as e: messagebox.showerror("错误", f"调整锐度失败: {str(e)}") return False def convert_grayscale(self): """转换为灰度图""" if self.image is None: return False try: self.image = self.image.convert("L") return True except Exception as e: messagebox.showerror("错误", f"转换为灰度图失败: {str(e)}") return False def resize_image(self, width, height): """调整图像大小""" if self.image is None: return False try: self.image = self.image.resize((width, height), Image.Resampling.LANCZOS) return True except Exception as e: messagebox.showerror("错误", f"调整大小失败: {str(e)}") return False def rotate_image(self, degrees): """旋转图像""" if self.image is None: return False try: self.image = self.image.rotate(degrees, expand=True) return True except Exception as e: messagebox.showerror("错误", f"旋转失败: {str(e)}") return False def crop_image(self, left, top, right, bottom): """裁剪图像""" if self.image is None: return False try: self.image = self.image.crop((left, top, right, bottom)) return True except Exception as e: messagebox.showerror("错误", f"裁剪失败: {str(e)}") return False def get_image_info(self): """获取图像信息""" if self.image is None: return "没有加载图像" info = f"尺寸: {self.image.width} x {self.image.height}\n" info += f"模式: {self.image.mode}\n" info += f"格式: {self.image.format if self.image.format else '未知'}\n" if self.current_path: info += f"路径: {os.path.basename(self.current_path)}" return info class ImageProcessorGUI: def __init__(self): self.processor = ImageProcessor() self.root = tk.Tk() self.root.title("简易图像处理工具") self.root.geometry("800x600") # 设置样式 self.setup_styles() # 创建界面 self.create_widgets() # 当前预览图像 self.preview_image = None def setup_styles(self): """设置界面样式""" style = ttk.Style() style.theme_use('clam') # 自定义颜色 bg_color = "#f0f0f0" btn_color = "#4a7abc" self.root.configure(bg=bg_color) style.configure("Title.TLabel", font=("Arial", 16, "bold"), background=bg_color) style.configure("Action.TButton", font=("Arial", 10), padding=5, background=btn_color, foreground="white") style.map("Action.TButton", background=[("active", "#3a6a9c")]) def create_widgets(self): """创建界面组件""" # 主框架 main_frame = ttk.Frame(self.root, padding="10") main_frame.grid(row=0, column=0, sticky=(tk.W, tk.E, tk.N, tk.S)) # 标题 title_label = ttk.Label(main_frame, text="简易图像处理工具", style="Title.TLabel") title_label.grid(row=0, column=0, columnspan=3, pady=(0, 20)) # 按钮框架 button_frame = ttk.Frame(main_frame) button_frame.grid(row=1, column=0, sticky=tk.N, padx=(0, 10)) # 文件操作按钮 ttk.Label(button_frame, text="文件操作", font=("Arial", 11, "bold")).grid(row=0, column=0, pady=(0, 5)) ttk.Button(button_frame, text="打开图像", command=self.open_image, style="Action.TButton").grid(row=1, column=0, pady=2, sticky=tk.W+tk.E) ttk.Button(button_frame, text="保存图像", command=self.save_image, style="Action.TButton").grid(row=2, column=0, pady=2, sticky=tk.W+tk.E) ttk.Button(button_frame, text="另存为", command=self.save_as_image, style="Action.TButton").grid(row=3, column=0, pady=2, sticky=tk.W+tk.E) ttk.Button(button_frame, text="重置图像", command=self.reset_image, style="Action.TButton").grid(row=4, column=0, pady=2, sticky=tk.W+tk.E) # 分隔线 ttk.Separator(button_frame, orient='horizontal').grid(row=5, column=0, pady=10, sticky=tk

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