Gif图片
import UIKit
import ImageIO
class ViewController: UIViewController {
@IBOutlet weak var imageView: UIImageView!
override func viewDidLoad() {
super.viewDidLoad()
// gif --> 一帧帧图片
// imageView.image = UIImage(named: "demo.gif")
}
override func touchesBegan(_ touches: Set, with event: UIEvent?) {
// 1.获取图片的路径
guard let filePath = Bundle.main.path(forResource: "demo.gif", ofType: nil) else { return }
// 2.根据路径, 将gif图转成NSData类型
guard let imageData = NSData(contentsOfFile: filePath) else { return }
// 3.根据imageData创建CGImageSource
guard let imageSource = CGImageSourceCreateWithData(imageData, nil) else { return }
// 4.获取imageSource中的图片的个数
let frameCount = CGImageSourceGetCount(imageSource)
// 5.获取一张张的图片
var images = [UIImage]()
var duration : TimeInterval = 0
for i in 0..<frameCount {
// 5.1.获取图片
guard let cgImage = CGImageSourceCreateImageAtIndex(imageSource, i, nil) else {
continue
}
images.append(UIImage(cgImage: cgImage))
// 5.2.获取每一帧的时间
guard let imageDict = CGImageSourceCopyPropertiesAtIndex(imageSource, i, nil) as? [String : Any] else {
continue
}
guard let gifDict = imageDict[kCGImagePropertyGIFDictionary as String] as? [String : Any] else {
continue
}
guard let frameDuration = gifDict[kCGImagePropertyGIFDelayTime as String] as? NSNumber else {
continue
}
duration += frameDuration.doubleValue
}
// 播放图片
imageView.animationImages = images
imageView.animationDuration = duration
imageView.animationRepeatCount = 0
imageView.startAnimating()
}
}
Webp图片
pod 'Kingfisher'
pod 'YYWebImage'
pod 'YYImage/WebP'
imageView.autoPlayAnimatedImage = true
let url = URL(string: "https://file.qf.56.com/f/style/static/gift/m/v2/webp/paoche.webp")
imageView.yy_setImage(with: url, placeholder: nil)
if YYImageWebPAvailable() {
print("支持")
} else {
print("不支持")
}
