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你好,我现在在使用这个库,有一个需求是,橡皮擦擦除时只擦除涂鸦的内容,不能擦除添加的文字、图片等元素。请问这个能实现么,或者有没有什么思路。谢谢
The text was updated successfully, but these errors were encountered:
目前橡皮擦的原理是把原图作为画笔底图进行覆盖绘制,跟涂鸦一样,所以要实现你的需求,必须把橡皮擦绘制在涂鸦之上,其他内容之下,这样才不会遮住其他内容。
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你好,我现在在使用这个库,有一个需求是,橡皮擦擦除时只擦除涂鸦的内容,不能擦除添加的文字、图片等元素。请问这个能实现么,或者有没有什么思路。谢谢
The text was updated successfully, but these errors were encountered: