Mac开发retina屏测试_网页测试模拟mac屏幕retina-优快云博客

本文链接：https://blog.youkuaiyun.com/workhardupc100/article/details/7712054

文章讨论了Mac开发中retina屏幕测试的方法，并分享了一个关于13寸与15寸电脑在开启HiDPI显示模式上的差异体验。文中还涉及了在Quartz debug中遇到的HiDPI模式记忆问题。

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Mac开发retina屏幕测试，可以参考苹果官方网文档：http://developer.apple.com/library/mac/#documentation/GraphicsAnimation/Conceptual/HighResolutionOSX/Testing/Testing.html#//apple_ref/doc/uid/TP40012302-CH6-SW1。

另外我测试发现，在15寸的电脑(这个电脑的分辨率是1440*900，操作系统是10.7.4),是可以开启"HiDPI"显示模式的。但是在13寸的机器上（分辨率是1280*800，操作系统是10.7.3），测试发现不行。

在网上查了下，一个人说的原因是：因为13寸的分辨率低，所以是不行的。在15寸和17寸的机器上是可以的。链接：http://topicworld.net/showthread.php/1451433-HiDPI-mode-not-working

问：

HiDPI mode not working.

When I got into Quartz debug and select the HiDPI mode after logging out and in again the option for the HiDPI resolutions aren"t present. Has anyone else had this problem?

It seems to be a case of Quartz debug not remembering what I have selected because if I select to reopen the applications when I log back in then the enable HiDPI box is unticked.

答：I"m pretty sure that this mode doesn"t work on the 13 inch models due to its relative low resolution. I have the same issue on my early 2011, and it seems like those who have gotten this working have 15s and 17s. Oh well.