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苹果开发中文网站iOS——隐形水印的实现和『颜色加深』算法

 4 years ago
source link: http://www.cocoachina.com/ios/20190523/26997.html
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很多 APP 都在敏感页面有水印，主要为了应对舆情时可以追踪图片来源，一般在水印上都会有员工或用户 ID 和昵称。

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