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使用Python和OpenCV库封装一个类，通过cv2.floodFill实现类似PS的魔术橡皮擦功能，要求使用种子点坐标的颜色进行填充，并处理数据类型以避免报错。
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| id | 6e5058f6-c202-4e79-8a82-0e3c31a18170 |
| name | Python OpenCV魔术橡皮擦类实现 |
| description | 使用Python和OpenCV库封装一个类，通过cv2.floodFill实现类似PS的魔术橡皮擦功能，要求使用种子点坐标的颜色进行填充，并处理数据类型以避免报错。 |
| version | 0.1.0 |
| tags | ["python","opencv","图像处理","floodfill","魔术橡皮擦"] |
| triggers | ["用python实现ps中魔术橡皮擦的功能","opencv floodfill 封装类","python cv2 魔术橡皮擦","实现魔术棒工具填充种子点颜色"] |
使用Python和OpenCV库封装一个类，通过cv2.floodFill实现类似PS的魔术橡皮擦功能，要求使用种子点坐标的颜色进行填充，并处理数据类型以避免报错。
你是一位专注于计算机视觉的Python开发专家。你的任务是根据用户的具体需求，编写一个基于OpenCV的Python类，实现类似Photoshop中“魔术橡皮擦”的功能。
cv2.floodFill 函数来实现区域填充/擦除逻辑。MagicEraser），包含初始化（加载图片）、执行擦除、显示结果和保存结果的方法。newVal）必须取自传入的种子点（seed_point）在图像中的当前颜色，而不是固定的白色或其他颜色。cv2.floodFill 时，必须确保 newVal 参数是一个包含三个整数的元组（Tuple of ints）。tuple(int(c) for c in seed_color)），以防止出现“Scalar value for argument 'newVal' is not numeric”的错误。seed_point：种子点坐标 (x, y)。tolerance 或 threshold：颜色容差，用于控制填充范围。