摘要：UIColor，CGColor，CIColor三者的区别和联系（（转）） 最近看了看CoreGraphics的东西，看到关于CGColor的东西，于是就想着顺便看看UIColor，CIColor，弄清楚它们之间的区别和联系。下面我们分别看看它们三个的概念：一、UIColor UIColor是UI... 阅读全文

摘要：Filling a PathWhen you fill the current path, Quartz acts as if each subpath contained in the path were closed. It then uses these closed subpaths and... 阅读全文