增加其他分辨率表情转换选项 (#987)

* Create requirements.txt

* Update README.md

* add: 增加其他尺寸表情选项

scripts/Image_Converter/README.md

@@ -20,14 +20,26 @@
 
 ### 使用方法
 
-安装Pillow
-
+创建虚拟环境
 ```bash
-pip install Pillow # 处理图像需要
+# 创建 venv
+python -m venv venv
+# 激活环境
+source venv/bin/activate  # Linux/Mac
+venv\Scripts\activate      # Windows
+```
+
+安装依赖
+```bash
+pip install -r requirements.txt
 ```
 
 运行转换工具
 
 ```bash
+# 激活环境
+source venv/bin/activate  # Linux/Mac
+venv\Scripts\activate      # Windows
+# 运行
 python lvgl_tools_gui.py
 ```

scripts/Image_Converter/lvgl_tools_gui.py

@@ -51,7 +51,7 @@ class ImageConverterApp:
         # 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)
+                    values=["512x512", "256x256", "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)
@@ -64,7 +64,7 @@ class ImageConverterApp:
                     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 = ttk.LabelFrame(self.root, text="选取文件")
         file_frame.grid(row=1, column=0, padx=10, pady=5, sticky="nsew")
 
         # 文件操作按钮
@@ -77,7 +77,7 @@ class ImageConverterApp:
         # 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("selected", text="选择", 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)

scripts/Image_Converter/requirements.txt

@@ -0,0 +1,3 @@
+lz4==4.4.4
+Pillow==11.3.0
+pypng==0.20220715.0