如何区分画布和旋转画布 [英] How to get difference between canvas and rotated canvas

问题描述

我正在使用旋转变换来旋转包含图片背景的画布。我还有一个裁剪画布，我将用它来旋转后裁剪图像。我的旋转工作正常，但我需要使用旋转的
图像调整裁剪画布，此时它是静态的。

I am using a rotation transform to rotate a canvas with a background containing a picture. I also have a crop canvas which I will use to crop the image once its been rotated. I have the rotation working ok but I need the crop canvas to size with the rotated image, at the moment its static.

我希望有人可以帮助我获得正确的值用来将一个绑定到另一个。

I hope someone can help me get the right values to use to bind one to the other.

请参阅图片，它可能有助于描述我的目标

Please see image, it may help describe what I am after

Mal

推荐答案

你能在这里发布代码吗？

can you post the code here?

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