iPhone UILabel文字软阴影 [英] iPhone UILabel text soft shadow

问题描述

我知道iPhone上开箱即用的UILabel不支持柔和阴影。那么实现我自己的最佳方式是什么？

I know soft shadows are not supported by the UILabel out of the box, on the iPhone. So what would be the best way to implement my own one?

编辑：

显然我会继承 UILabel 并绘制-drawRect：
我的问题是，如何将标签的内容作为图形并绘制他们，模糊他们等...

Obviously I will subclass the UILabel and draw in the -drawRect: My question is, how do I get the contents of the label as graphics and draw around them, blur them etc...

编辑2：

我退回了大约一年后的这个问题。与此同时，我已经构建了一个类，允许您轻松地向标签添加柔和阴影并调整其半径等，并在文本本身上绘制渐变。你可以在GitHub上找到它： https://github.com/doukasd/iOS-组件/树/主/视图

I returned to this question about a year later. In the meantime I've built a class that allows you to easily add soft shadow to a label and tweak it's radius etc and also to draw gradients on the text itself. You can find it on GitHub: https://github.com/doukasd/iOS-Components/tree/master/Views

推荐答案

这个答案 这个类似的问题提供了在UILabel后面绘制模糊阴影的代码。作者使用CGContextSetShadow（）为绘制的文本生成阴影。

This answer to this similar question provides code for drawing a blurred shadow behind a UILabel. The author uses CGContextSetShadow() to generate the shadow for the drawn text.

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