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|
| import AVFoundation |
| import UIKit |
|
|
| class CameraView: UIView { |
| var videoPreviewLayer: AVCaptureVideoPreviewLayer? |
|
|
| func interfaceOrientationToVideoOrientation(_ orientation: UIInterfaceOrientation) |
| -> AVCaptureVideoOrientation |
| { |
| switch orientation { |
| case UIInterfaceOrientation.portrait: |
| return AVCaptureVideoOrientation.portrait |
| case UIInterfaceOrientation.portraitUpsideDown: |
| return AVCaptureVideoOrientation.portraitUpsideDown |
| case UIInterfaceOrientation.landscapeLeft: |
| return AVCaptureVideoOrientation.landscapeLeft |
| case UIInterfaceOrientation.landscapeRight: |
| return AVCaptureVideoOrientation.landscapeRight |
| default: |
| return AVCaptureVideoOrientation.portraitUpsideDown |
| } |
| } |
|
|
| override func layoutSubviews() { |
| super.layoutSubviews() |
| if let sublayers = self.layer.sublayers { |
| for layer in sublayers { |
| layer.frame = self.bounds |
| } |
| } |
|
|
| if let interfaceOrientation = UIApplication.shared.windows.first(where: { $0.isKeyWindow })? |
| .windowScene?.interfaceOrientation |
| { |
| self.videoPreviewLayer?.connection?.videoOrientation = interfaceOrientationToVideoOrientation( |
| interfaceOrientation) |
| } |
| } |
|
|
| func addPreviewLayer(_ previewLayer: AVCaptureVideoPreviewLayer?) { |
| previewLayer!.videoGravity = AVLayerVideoGravity.resizeAspectFill |
| previewLayer!.frame = self.bounds |
| self.layer.addSublayer(previewLayer!) |
| self.videoPreviewLayer = previewLayer |
| } |
|
|
| func removePreviewLayer() { |
| if self.videoPreviewLayer != nil { |
| self.videoPreviewLayer!.removeFromSuperlayer() |
| self.videoPreviewLayer = nil |
| } |
| } |
| } |
|
|
