请问有没有办法动态调整原图的透明度?

1993hzw / Doodle

Image doodle for Android, with functions such as undo, zoom, move, text, image, etc. Also a powerful, customizable and extensible doodle framework & multi-function drawing board. Android图片涂鸦，具有撤消，缩放，移动，添加文字，贴图等功能。还是一个功能强大，可自定义和可扩展的涂鸦框架、多功能画板。