树图放大缩小时，富文本没变化

[woowgaga]

Version

4.7.0

Reproduction link

https://gallery.echartsjs.com/editor.html?c=xxtKKOPNWd&comment=0

Steps to reproduce

1、设置roam=true
2、滚轮滚动进行放大缩小

What is expected?

富文本也随着node节点放大而放大，缩小而缩小

What is actually happening?

node节点放大缩小，但是富文本不变化

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[susiwen8]

By design, reply in #12261

[woowgaga]

这么多人都提了，是不是考虑修改或者添加配置项

[susiwen8]

@pissang Should we consider to add this feature in 5.0?

[100pah]

文本不放大缩小的好处是，保证文字的尺寸处在一个初始设定的适合阅读的大小。
如果缩放文字，很小的文字或许并不适合阅读？
而，如果缩放到很小时，导致文本块互相重叠，外观奇怪，那么是否可从 “限制缩放范围” 角度来解决这个问题？

@woowgaga ，可不可以说说，为何想要文本缩放？