开发笔记 那些年追过的图片(七):屏幕截图

引入 动画库
#include <QuartzCore/QuartzCore.h>

-(UIImage * )imageFromView:(UIView *)theView
{
UIGraphicsBeginImageContext(theView.frame.size);
CGContextRef context =UIGraphicsGetCurrentContext();
[theView.layer renderInContext:context];
UIImage *theImage =
UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return theImage;
}