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iOS4中文本的阴影效果

[英]drop shadow effect for text in iOS4

I've been trying to get the following effects on my text: 我一直试图对我的文字产生以下影响:

在此输入图像描述

I want to get the white border around my text, I tried playing around with the following, but it didn't work out 我希望在我的文本周围找到白色边框,我尝试使用以下内容,但它没有成功

self.name.layer.shadowOpacity = 5.0;   
    self.name.layer.shadowRadius = 0.0;
    self.name.layer.shadowColor = [UIColor whiteColor].CGColor;
    self.name.layer.shadowOffset = CGSizeMake(0.0, -5.0);

What is the easiest way to achieve this? 实现这一目标的最简单方法是什么?

try the following 尝试以下方法

self.name.layer.shadowColor = [label.textColor CGColor];
self.name.layer.shadowOffset = CGSizeMake(0.0, 0.0);
self.name.layer.shadowOpacity = 0.5;
self.name.layer.shadowRadius = 20.0;

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