将Flex注册点从左上角更改为中心 [英] Changing Flex registration point from upper left corner to center

问题描述

我需要Flex的帮助。
我想了解如何改变Canvas的注册点。
我想对这个组件进行放大，但在左上角的点注册！如何移动到中心？

解决方案

我不知道如何帮助中心注册点， 但是无所谓。这是你怎么做的：

Flex 3

 < mx：Canvas clipContent =false> 
 < / mx：Canvas> 
  

Flex 4

 < s：Group clipAndEnableScrolling =false> 
 < / s：Group> 
  

但是，还有其他的问题，比如如果我要中心画布/组，如果您使用垂直/水平中心，因为其中的内容已关闭，所以不能正常工作。就我个人而言，如果你只是想放大，我认为这个解决方法是愚蠢的。这是一个相当简单的操作。如果您在放大时需要居中，则可以随时更改放大的x / y位置。计算相当简单，找到你的组件的中心：

  var center：Point = new Point（component.x + component .width / 2，component.y + component.height / 2）; 
  

I need help with Flex. I want to learn how you can change the registration point for the Canvas. I want to make a zoom of this component, but the point registration in the upper left corner! How do I move to the center?

解决方案

I'm not sure how it's going to help to 'center' the registration point, but whatever. This is how you do it:

Flex 3

<mx:Canvas clipContent="false">
    <mx:Box width="400" height="400" x="-200" y="-200" backgroundColor="#000000" />
</mx:Canvas>

Flex 4

<s:Group clipAndEnableScrolling="false">
    <s:BorderContainer width="400" height="400" x="-200" y="-200" backgroundColor="#000000" />
</s:Group>

But however, there are other problems, like if I want to center the canvas/group, it won't work properly if you use vertical/horizontalCenter because the content within it is off. Personally, I think this workaround is idiotic if you just want to zoom in. It's a fairly simple operation. If you need it to be centered while it's zooming in, you can always change the x/y position of whatever you're zooming into. The calculation is fairly simple to find the center of your components:

var center:Point = new Point(component.x + component.width/2, component.y + component.height/2);

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