如何实现当前鼠标点缩放图形 [英] How to achieve the current mouse point scaling graphics

问题描述

例如标题，我已经知道图形在画布中心的缩放比例，但是现在想以鼠标为中心进行缩放，不知道如何实现.请专家指导

Such as the title, I already know the scale the graphic in the center of the canvas, but now want to mouse-centric zoom, do not know how to achieve. Please expert guidance

推荐答案

不清楚，但您可以尝试此链接

http://stackoverflow.com/questions/4277253/c-why-does-this-not-zoom-using-the-mouse-as-center [

Don''t know exactly but you may try this link

http://stackoverflow.com/questions/4277253/c-why-does-this-not-zoom-using-the-mouse-as-center[^]

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