图形上下文的概念与文件句柄非常相似吗?(在iOS和其他系统上)
原文:Is the concept of a Graphics Context very similar to a file handle? (on iOS and other systems)
原文:Is the concept of a Graphics Context very similar to a file handle? (on iOS and other systems)
有时,术语图形上下文有点抽象。它们实际上是系统资源,但它们是来自显卡的资源,就像文件句柄是来自硬盘的系统资源一样。。。