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你好，我最近正在做一个教育类的项目，里面涉及到画板这样的功能，我目前能实现的是，动态的画各种图形，可以实现橡皮擦，撤销，重做，清除的功能，使用bitmap实现双缓冲的设计，但是现在要求能对画的各种图形，实现拖动，放大，缩小旋转的效果，还有文本输入，我那样的设计就不能实现这样的效果。我看了你的源码，由于代码量稍微有点大，暂时还没还没看太懂，不知道你有没有博客，想看看你的设计思路。谢谢
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你好，我最近正在做一个教育类的项目，里面涉及到画板这样的功能，我目前能实现的是，动态的画各种图形，可以实现橡皮擦，撤销，重做，清除的功能，使用bitmap实现双缓冲的设计，但是现在要求能对画的各种图形，实现拖动，放大，缩小旋转的效果，还有文本输入，我那样的设计就不能实现这样的效果。我看了你的源码，由于代码量稍微有点大，暂时还没还没看太懂，不知道你有没有博客，想看看你的设计思路。谢谢
The text was updated successfully, but these errors were encountered: