我有以下代码来访问PHAsset。我需要将CGImage传递出去:
我需要从中提取出一个CGImage。但是我遇到了困难...
let imageManager = PHImageManager.defaultManager()
imageManager.requestImageDataForAsset(self.asset!, options: nil, resultHandler:{
(data, responseString, imageOriet, info) -> Void in
let imageData: NSData = data!
if let imageSource = CGImageSourceCreateWithData(imageData, nil) {
let imageProperties = CGImageSourceCopyPropertiesAtIndex(imageSource, 0, nil)! as NSDictionary
//How do I create a CGImage now?
}
})
我需要从中提取出一个CGImage。但是我遇到了困难...
CGImageRef
吗?还是说NSImage
也可以?你尝试过CGImageSourceCreateImageAtIndex
吗? - sbooth