import tkinter as tk from tkinter import ttk, filedialog, messagebox from PIL import Image import os import tempfile import sys from LVGLImage import LVGLImage, ColorFormat, CompressMethod HELP_TEXT = """LVGL图片转换工具使用说明： 1. 添加文件：点击“添加文件”按钮选择需要转换的图片，支持批量导入 2. 移除文件：在列表中选中文件前的复选框“[ ]”（选中后会变成“[√]”），点击“移除选中”可删除选定文件 3. 设置分辨率：选择需要的分辨率，如128x128 建议根据自己的设备的屏幕分辨率来选择。过大和过小都会影响显示效果。 4. 颜色格式：选择“自动识别”会根据图片是否透明自动选择，或手动指定 除非你了解这个选项，否则建议使用自动识别，不然可能会出现一些意想不到的问题…… 5. 压缩方式：选择NONE或RLE压缩 除非你了解这个选项，否则建议保持默认NONE不压缩 6. 输出目录：设置转换后文件的保存路径 默认为程序所在目录下的output文件夹 7. 转换：点击“转换全部”或“转换选中”开始转换 """ class ImageConverterApp: def __init__(self, root): self.root = root self.root.title("LVGL图片转换工具") self.root.geometry("750x650") # 初始化变量 self.output_dir = tk.StringVar(value=os.path.abspath("output")) self.resolution = tk.StringVar(value="128x128") self.color_format = tk.StringVar(value="自动识别") self.compress_method = tk.StringVar(value="NONE") # 创建UI组件 self.create_widgets() self.redirect_output() def create_widgets(self): # 参数设置框架 settings_frame = ttk.LabelFrame(self.root, text="转换设置") settings_frame.grid(row=0, column=0, padx=10, pady=5, sticky="ew") # 分辨率设置 ttk.Label(settings_frame, text="分辨率:").grid(row=0, column=0, padx=2) ttk.Combobox(settings_frame, textvariable=self.resolution, values=["128x128", "64x64", "32x32"], width=8).grid(row=0, column=1, padx=2) # 颜色格式 ttk.Label(settings_frame, text="颜色格式:").grid(row=0, column=2, padx=2) ttk.Combobox(settings_frame, textvariable=self.color_format, values=["自动识别", "RGB565", "RGB565A8"], width=10).grid(row=0, column=3, padx=2) # 压缩方式 ttk.Label(settings_frame, text="压缩方式:").grid(row=0, column=4, padx=2) ttk.Combobox(settings_frame, textvariable=self.compress_method, values=["NONE", "RLE"], width=8).grid(row=0, column=5, padx=2) # 文件操作框架 file_frame = ttk.LabelFrame(self.root, text="输入文件") file_frame.grid(row=1, column=0, padx=10, pady=5, sticky="nsew") # 文件操作按钮 btn_frame = ttk.Frame(file_frame) btn_frame.pack(fill=tk.X, pady=2) ttk.Button(btn_frame, text="添加文件", command=self.select_files).pack(side=tk.LEFT, padx=2) ttk.Button(btn_frame, text="移除选中", command=self.remove_selected).pack(side=tk.LEFT, padx=2) ttk.Button(btn_frame, text="清空列表", command=self.clear_files).pack(side=tk.LEFT, padx=2) # 文件列表（Treeview） self.tree = ttk.Treeview(file_frame, columns=("selected", "filename"), show="headings", height=10) self.tree.heading("selected", text="选中", anchor=tk.W) self.tree.heading("filename", text="文件名", anchor=tk.W) self.tree.column("selected", width=60, anchor=tk.W) self.tree.column("filename", width=600, anchor=tk.W) self.tree.pack(fill=tk.BOTH, expand=True) self.tree.bind("", self.on_tree_click) # 输出目录 output_frame = ttk.LabelFrame(self.root, text="输出目录") output_frame.grid(row=2, column=0, padx=10, pady=5, sticky="ew") ttk.Entry(output_frame, textvariable=self.output_dir, width=60).pack(side=tk.LEFT, padx=5) ttk.Button(output_frame, text="浏览", command=self.select_output_dir).pack(side=tk.RIGHT, padx=5) # 转换按钮和帮助按钮 convert_frame = ttk.Frame(self.root) convert_frame.grid(row=3, column=0, padx=10, pady=10) ttk.Button(convert_frame, text="转换全部文件", command=lambda: self.start_conversion(True)).pack(side=tk.LEFT, padx=5) ttk.Button(convert_frame, text="转换选中文件", command=lambda: self.start_conversion(False)).pack(side=tk.LEFT, padx=5) ttk.Button(convert_frame, text="帮助", command=self.show_help).pack(side=tk.RIGHT, padx=5) # 日志区域（新增清空按钮部分） log_frame = ttk.LabelFrame(self.root, text="日志") log_frame.grid(row=4, column=0, padx=10, pady=5, sticky="nsew") # 添加按钮框架 log_btn_frame = ttk.Frame(log_frame) log_btn_frame.pack(fill=tk.X, side=tk.BOTTOM) # 清空日志按钮 ttk.Button(log_btn_frame, text="清空日志", command=self.clear_log).pack(side=tk.RIGHT, padx=5, pady=2) self.log_text = tk.Text(log_frame, height=15) self.log_text.pack(fill=tk.BOTH, expand=True) # 布局配置 self.root.columnconfigure(0, weight=1) self.root.rowconfigure(1, weight=1) self.root.rowconfigure(4, weight=1) def clear_log(self): """清空日志内容""" self.log_text.delete(1.0, tk.END) def show_help(self): messagebox.showinfo("帮助", HELP_TEXT) def redirect_output(self): class StdoutRedirector: def __init__(self, text_widget): self.text_widget = text_widget self.original_stdout = sys.stdout def write(self, message): self.text_widget.insert(tk.END, message) self.text_widget.see(tk.END) self.original_stdout.write(message) def flush(self): self.original_stdout.flush() sys.stdout = StdoutRedirector(self.log_text) def on_tree_click(self, event): region = self.tree.identify("region", event.x, event.y) if region == "cell": col = self.tree.identify_column(event.x) item = self.tree.identify_row(event.y) if col == "#1": # 点击的是选中列 current_val = self.tree.item(item, "values")[0] new_val = "[√]" if current_val == "[ ]" else "[ ]" self.tree.item(item, values=(new_val, self.tree.item(item, "values")[1])) def select_output_dir(self): path = filedialog.askdirectory() if path: self.output_dir.set(path) def select_files(self): files = filedialog.askopenfilenames(filetypes=[("图片文件", "*.png;*.jpg;*.jpeg;*.bmp;*.gif")]) for f in files: self.tree.insert("", tk.END, values=("[ ]", os.path.basename(f)), tags=(f,)) def remove_selected(self): to_remove = [] for item in self.tree.get_children(): if self.tree.item(item, "values")[0] == "[√]": to_remove.append(item) for item in reversed(to_remove): self.tree.delete(item) def clear_files(self): for item in self.tree.get_children(): self.tree.delete(item) def start_conversion(self, convert_all): input_files = [ self.tree.item(item, "tags")[0] for item in self.tree.get_children() if convert_all or self.tree.item(item, "values")[0] == "[√]" ] if not input_files: msg = "没有找到可转换的文件" if convert_all else "没有选中任何文件" messagebox.showwarning("警告", msg) return os.makedirs(self.output_dir.get(), exist_ok=True) # 解析转换参数 width, height = map(int, self.resolution.get().split('x')) compress = CompressMethod.RLE if self.compress_method.get() == "RLE" else CompressMethod.NONE # 执行转换 self.convert_images(input_files, width, height, compress) def convert_images(self, input_files, width, height, compress): success_count = 0 total_files = len(input_files) for idx, file_path in enumerate(input_files): try: print(f"正在处理: {os.path.basename(file_path)}") with Image.open(file_path) as img: # 调整图片大小 img = img.resize((width, height), Image.Resampling.LANCZOS) # 处理颜色格式 color_format_str = self.color_format.get() if color_format_str == "自动识别": # 检测透明通道 has_alpha = img.mode in ('RGBA', 'LA') or (img.mode == 'P' and 'transparency' in img.info) if has_alpha: img = img.convert('RGBA') cf = ColorFormat.RGB565A8 else: img = img.convert('RGB') cf = ColorFormat.RGB565 else: if color_format_str == "RGB565A8": img = img.convert('RGBA') cf = ColorFormat.RGB565A8 else: img = img.convert('RGB') cf = ColorFormat.RGB565 # 保存调整后的图片 base_name = os.path.splitext(os.path.basename(file_path))[0] output_image_path = os.path.join(self.output_dir.get(), f"{base_name}_{width}x{height}.png") img.save(output_image_path, 'PNG') # 创建临时文件 with tempfile.NamedTemporaryFile(suffix=".png", delete=False) as tmpfile: temp_path = tmpfile.name img.save(temp_path, 'PNG') # 转换为LVGL C数组 lvgl_img = LVGLImage().from_png(temp_path, cf=cf) output_c_path = os.path.join(self.output_dir.get(), f"{base_name}.c") lvgl_img.to_c_array(output_c_path, compress=compress) success_count += 1 os.unlink(temp_path) print(f"成功转换: {base_name}.c\n") except Exception as e: print(f"转换失败: {str(e)}\n") print(f"转换完成! 成功 {success_count}/{total_files} 个文件\n") if __name__ == "__main__": root = tk.Tk() app = ImageConverterApp(root) root.mainloop()