-(UIImage *)MergeTwoImage
{
UIImage * img =[UIImage imageNamed:@"icon"];
CGSize sz = img.size;
UIGraphicsBeginImageContextWithOptions(CGSizeMake(sz.width*2, sz.height), NO, 0);
[img drawAtPoint:CGPointMake(0, 0)];
[img drawAtPoint:CGPointMake(sz.width, 0)];
UIImage *mergeImg = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return mergeImg;
}Core Graphics 学习——1 两张图合成为一张图,布布扣,bubuko.com
原文地址:http://blog.csdn.net/xiaoyuertongxue/article/details/38686519