import IPhotoBrowser

init(images: [UIImage], start index:Int)
init(imageUrls: [URL], start index:Int)
init(assets: [PHAsset], start index:Int)

func iPhotoBrowser(_ iPhotoBrowser: IPhotoBrowser, didChange index: Int)

// Present/Dismiss
@objc optional func iPhotoBrowserDidDismissing(_ iPhotoBrowser: IPhotoBrowser)
@objc optional func iPhotoBrowserDidCanceledDismiss(_ iPhotoBrowser: IPhotoBrowser)

// Push/Pop
@objc optional func iPhotoBrowserDidPop(_ iPhotoBrowser: IPhotoBrowser)
@objc optional func iPhotoBrowserDidCanceledPop(_ iPhotoBrowser: IPhotoBrowser)
/// This screenshot is used for pop transitions.
/// Used background image to IPhotoBrowser.
@objc optional func iPhotoBrowserMakeViewScreenshotIfNeeded(_ iPhotoBrowser: IPhotoBrowser) -> UIImage?

let photoBrowser = IPhotoBrowser(images: images.objects, start: indexPath.item)
photoBrowser.delegate = self
navigationController?.pushViewController(photoBrowser, animated: true)
or
present(photoBrowser, animated: true, completion: nil)

var iPhotoBrowserSelectedImageViewCopy: UIImageView? { get }
var iPhotoBrowserDestinationImageViewSize: CGSize? { get }
var iPhotoBrowserDestinationImageViewCenter: CGPoint? { get }
func iPhotoBrowserTransitionWillBegin()
func iPhotoBrowserTransitionDidEnded()

struct IPhoto {
  let image: UIImage?
  let imageUrl: URL?
  let asset: PHAsset?
  let title: String?
  let description: String?
}

init(photos: [IPhoto], start index:Int)