GPUImageLookUpWithIntensity

GPUImageLookUpWithIntensity.swift

import AVFoundation
import Foundation

import UIKit
import GPUImage

class LiveCameraVC: UIViewController
{



 //   @IBOutlet weak var modifiedImageView = GPUImageView()

    @IBOutlet weak var modifiedImageView: GPUImageView!

    var videoCamera:GPUImageVideoCamera?

    // MARK: - Variables
    var intensitys = 1.0


    @IBAction func SaturationSlider(sender: UISlider) {
        let test = sender.value

        //  saturationFilter?.saturation = CGFloat(sender.value)
        intensitys = Double(CGFloat(sender.value))
        filter.intensity = CGFloat(intensitys)

    }





//    let filter: GPUImageLookupFilter = {
//        let filter = GPUImageLookupFilter()
//        filter.intensity = intensitys
//        return filter
//    }()

    // MARK: - UI



    // MARK: - Life Cycle

    override func viewDidLoad() {
        super.viewDidLoad()



            videoCamera = GPUImageStillCamera(sessionPreset: AVCaptureSession.Preset.photo.rawValue, cameraPosition: .back)

            videoCamera!.outputImageOrientation = .portrait;
            videoCamera!.horizontallyMirrorFrontFacingCamera = true


      //  videoCamera?.addTarget(modifiedImageView)

        self.performLut()
        videoCamera?.startCapture()
        print("Tapped")


    }

  //  override func loadView() {
  //      super.loadView()

       // self.view.addSubview(modifiedImageView)
        //modifiedImageView.autoPinEdgesToSuperviewEdges()
  //  }

    // MARK: - Private
    let imagePicture: GPUImagePicture? = {
        if let imagePicture = GPUImagePicture(image: UIImage(named:"lookup_amatorka")) {
            return imagePicture
        } else {
            print("GPUImagePicture Nil")
            return nil
        }
    }()

    let filter = GPUImageLookupFilter()

    private func performLut() {
        if let videoCamera = videoCamera {

         //   var imagePicture = GPUImagePicture(image: UIImage(named:"lookup_amatorka"))

            //let filter = GPUImageLookupFilter()
            filter.intensity = CGFloat(intensitys)

            videoCamera.addTarget(filter)
            imagePicture?.addTarget(filter)
            imagePicture?.processImage()
            filter.addTarget(modifiedImageView)
          //  videoCamera.startCapture()



            /*
            if let imagePicture = imagePicture {
                videoCamera.addTarget(filter)
                imagePicture.addTarget(filter)
                imagePicture.processImage()
                filter.addTarget(modifiedImageView)
                videoCamera.startCapture()
            }
 */
        }
    }

}