a13aa787c4
* Add iOS linter & report issues on PR * Fix lint errors --------- Co-authored-by: Seph Soliman <github@seph.dk>
56 lines
2.3 KiB
Swift
56 lines
2.3 KiB
Swift
//
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// PhotoCaptureDelegate.swift
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// ReactNativeCameraKit
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//
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import AVFoundation
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/*
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* AVCapturePhotoCapture is using a delegation pattern, this class makes it more convenient with a closure pattern.
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*/
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class PhotoCaptureDelegate: NSObject, AVCapturePhotoCaptureDelegate {
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private(set) var requestedPhotoSettings: AVCapturePhotoSettings
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private let onWillCapture: () -> Void
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private let onCaptureSuccess: (_ uniqueID: Int64, _ imageData: Data, _ thumbnailData: Data?, _ dimensions: CMVideoDimensions) -> Void
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private let onCaptureError: (_ uniqueID: Int64, _ message: String) -> Void
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init(with requestedPhotoSettings: AVCapturePhotoSettings,
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onWillCapture: @escaping () -> Void,
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onCaptureSuccess: @escaping (_ uniqueID: Int64, _ imageData: Data, _ thumbnailData: Data?, _ dimensions: CMVideoDimensions) -> Void,
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onCaptureError: @escaping (_ uniqueID: Int64, _ errorMessage: String) -> Void) {
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self.requestedPhotoSettings = requestedPhotoSettings
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self.onWillCapture = onWillCapture
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self.onCaptureSuccess = onCaptureSuccess
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self.onCaptureError = onCaptureError
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}
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// MARK: - AVCapturePhotoCaptureDelegate
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func photoOutput(_ output: AVCapturePhotoOutput, willCapturePhotoFor resolvedSettings: AVCaptureResolvedPhotoSettings) {
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onWillCapture()
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}
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func photoOutput(_ output: AVCapturePhotoOutput, didFinishProcessingPhoto photo: AVCapturePhoto, error: Error?) {
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if let error = error {
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print("Could not capture still image: \(error)")
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onCaptureError(requestedPhotoSettings.uniqueID, "Could not capture still image")
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return
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}
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guard let imageData = photo.fileDataRepresentation() else {
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onCaptureError(requestedPhotoSettings.uniqueID, "Could not capture still image")
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return
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}
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var thumbnailData: Data?
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if let previewPixelBuffer = photo.previewPixelBuffer {
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let ciImage = CIImage(cvPixelBuffer: previewPixelBuffer)
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let uiImage = UIImage(ciImage: ciImage)
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thumbnailData = uiImage.jpegData(compressionQuality: 0.7)
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}
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onCaptureSuccess(requestedPhotoSettings.uniqueID, imageData, thumbnailData, photo.resolvedSettings.photoDimensions)
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}
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}
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