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我有png,它有清晰的背景,里面有困难的人物,比如动物。对我来说,有必要准确地获取该图形的路径,将其绘制在背景图像上。你能建议任何方式以编程方式做到这一点吗?
使用 png alpha 通道为背景图像创建蒙版。这里有更详细的讨论。