PreviewControllerDelegate

@objc
public protocol PreviewControllerDelegate

Set this delegate if you want to make changes to the PreviewController view layout using the size of the media before or after it has appeared.


                    
                    
                    previewControllerWillDisplayMedia(_:withSize:)

Called before the PreviewController has displayed the media. Use this time to handle any additional layout for the view.

Swift

func previewControllerWillDisplayMedia(_ previewController: PreviewController, withSize size: CGSize)

`previewController`	The controller responsible for calling this method.
`size`	The actual size of the media. This is not the size in points of the media on the screen.


                    
                    
                    previewControllerDidDisplayMedia(_:withSize:)

Called after the PreviewController has displayed the media.

Swift

func previewControllerDidDisplayMedia(_ previewController: PreviewController, withSize size: CGSize)

`previewController`	The controller responsible for calling this method.
`size`	The actual size of the media. This is not the size in points of the media on the screen.