二进制图片

tool/convert_examples.py

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+#!/usr/bin/env python3
+"""
+图片转换工具使用示例
+"""
+
+import os
+import subprocess
+import sys
+
+def run_command(cmd):
+    """运行命令并打印输出"""
+    print(f"执行命令: {' '.join(cmd)}")
+    result = subprocess.run(cmd, capture_output=True, text=True)
+    if result.stdout:
+        print(result.stdout)
+    if result.stderr:
+        print(f"错误: {result.stderr}")
+    return result.returncode == 0
+
+def main():
+    print("=== 图片转换工具使用示例 ===\n")
+    
+    # 检查是否存在示例图片目录
+    example_dir = "example_images"
+    output_dir = "converted_images"
+    
+    if not os.path.exists(example_dir):
+        print(f"创建示例图片目录: {example_dir}")
+        os.makedirs(example_dir, exist_ok=True)
+        print("请将图片文件放入此目录后再次运行此脚本")
+        return
+    
+    if not os.path.exists(output_dir):
+        print(f"创建输出目录: {output_dir}")
+        os.makedirs(output_dir, exist_ok=True)
+    
+    # 示例1: 转换单个图片为黑色背景白色文本
+    print("\n示例1: 转换单个图片为黑色背景白色文本")
+    print("=" * 50)
+    cmd = [
+        "python3", "image_converter.py", "image",
+        os.path.join(example_dir, "example.jpg"),
+        os.path.join(output_dir, "example_dark.py"),
+        "--width", "400",
+        "--height", "300"
+    ]
+    run_command(cmd)
+    
+    # 示例2: 转换单个图片为白色背景黑色文本
+    print("\n示例2: 转换单个图片为白色背景黑色文本")
+    print("=" * 50)
+    cmd = [
+        "python3", "image_converter.py", "image",
+        os.path.join(example_dir, "example.jpg"),
+        os.path.join(output_dir, "example_light.py"),
+        "--width", "400",
+        "--height", "300",
+        "--invert"
+    ]
+    run_command(cmd)
+    
+    # 示例3: 创建文本图像
+    print("\n示例3: 创建文本图像")
+    print("=" * 50)
+    cmd = [
+        "python3", "image_converter.py", "text",
+        "Hello ESP32!",
+        os.path.join(output_dir, "hello_text.py"),
+        "--width", "400",
+        "--height", "300",
+        "--font-size", "32"
+    ]
+    run_command(cmd)
+    
+    # 示例4: 创建旋转90度的文本图像
+    print("\n示例4: 创建旋转90度的文本图像")
+    print("=" * 50)
+    cmd = [
+        "python3", "image_converter.py", "text",
+        "Rotated Text",
+        os.path.join(output_dir, "rotated_text.py"),
+        "--width", "400",
+        "--height", "300",
+        "--font-size", "32",
+        "--rotate"
+    ]
+    run_command(cmd)
+    
+    # 示例5: 批量转换图片
+    print("\n示例5: 批量转换图片")
+    print("=" * 50)
+    cmd = [
+        "python3", "image_converter.py", "batch",
+        example_dir,
+        output_dir,
+        "--width", "400",
+        "--height", "300"
+    ]
+    run_command(cmd)
+    
+    # 示例6: 转换为128x296尺寸（与现有示例相同）
+    print("\n示例6: 转换为128x296尺寸")
+    print("=" * 50)
+    cmd = [
+        "python3", "image_converter.py", "image",
+        os.path.join(example_dir, "example.jpg"),
+        os.path.join(output_dir, "example_128x296.py"),
+        "--width", "128",
+        "--height", "296",
+        "--rotate"
+    ]
+    run_command(cmd)
+    
+    print("\n=== 转换完成 ===")
+    print(f"输出文件位于: {output_dir}")
+    print("\n使用方法:")
+    print("1. 将转换后的.py文件复制到ESP32项目目录")
+    print("2. 在boot.py中设置RUN_MODE=3")
+    print("3. 修改image.py导入转换后的图片数据")
+    print("4. 上传代码到ESP32并运行")
+
+if __name__ == '__main__':
+    main()