113 lines
4.1 KiB
Swift
113 lines
4.1 KiB
Swift
//
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// CameraView+TakePhoto.swift
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// mrousavy
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//
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// Created by Marc Rousavy on 16.12.20.
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// Copyright © 2020 mrousavy. All rights reserved.
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//
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import AVFoundation
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// MARK: - TakePhotoOptions
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struct TakePhotoOptions {
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init(fromDictionary dictionary: NSDictionary) {
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if let videoCodec = dictionary.value(forKey: "videoCodec") as? String {
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self.videoCodec = AVVideoCodecType(withString: videoCodec)
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}
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qualityPrioritization = dictionary.value(forKey: "qualityPrioritization") as? String
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}
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var videoCodec: AVVideoCodecType?
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var qualityPrioritization: String?
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}
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extension CameraView {
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func takePhoto(options: NSDictionary, promise: Promise) {
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cameraQueue.async {
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guard let photoOutput = self.photoOutput,
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let videoDeviceInput = self.videoDeviceInput else {
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if self.photo?.boolValue == true {
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promise.reject(error: .session(.cameraNotReady))
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return
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} else {
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promise.reject(error: .capture(.photoNotEnabled))
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return
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}
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}
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ReactLogger.log(level: .info, message: "Capturing photo...")
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var format: [String: Any]?
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// photo codec
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if let photoCodecString = options["photoCodec"] as? String {
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guard let photoCodec = AVVideoCodecType(withString: photoCodecString) else {
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promise.reject(error: .parameter(.invalid(unionName: "PhotoCodec", receivedValue: photoCodecString)))
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return
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}
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if photoOutput.availablePhotoCodecTypes.contains(photoCodec) {
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format = [AVVideoCodecKey: photoCodec]
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} else {
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promise.reject(error: .capture(.invalidPhotoCodec))
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return
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}
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}
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// Create photo settings
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let photoSettings = AVCapturePhotoSettings(format: format)
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// default, overridable settings if high quality capture was enabled
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if self.enableHighQualityPhotos?.boolValue == true {
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photoSettings.isHighResolutionPhotoEnabled = true
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if #available(iOS 13.0, *) {
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photoSettings.photoQualityPrioritization = .quality
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}
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}
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// flash
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if videoDeviceInput.device.isFlashAvailable, let flash = options["flash"] as? String {
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guard let flashMode = AVCaptureDevice.FlashMode(withString: flash) else {
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promise.reject(error: .parameter(.invalid(unionName: "FlashMode", receivedValue: flash)))
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return
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}
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photoSettings.flashMode = flashMode
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}
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// depth data
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photoSettings.isDepthDataDeliveryEnabled = photoOutput.isDepthDataDeliveryEnabled
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if #available(iOS 12.0, *) {
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photoSettings.isPortraitEffectsMatteDeliveryEnabled = photoOutput.isPortraitEffectsMatteDeliveryEnabled
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}
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// quality prioritization
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if #available(iOS 13.0, *), let qualityPrioritization = options["qualityPrioritization"] as? String {
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guard let photoQualityPrioritization = AVCapturePhotoOutput.QualityPrioritization(withString: qualityPrioritization) else {
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promise.reject(error: .parameter(.invalid(unionName: "QualityPrioritization", receivedValue: qualityPrioritization)))
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return
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}
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photoSettings.photoQualityPrioritization = photoQualityPrioritization
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}
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// red-eye reduction
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if #available(iOS 12.0, *), let autoRedEyeReduction = options["enableAutoRedEyeReduction"] as? Bool {
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photoSettings.isAutoRedEyeReductionEnabled = autoRedEyeReduction
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}
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// stabilization
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if let enableAutoStabilization = options["enableAutoStabilization"] as? Bool {
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photoSettings.isAutoStillImageStabilizationEnabled = enableAutoStabilization
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}
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// distortion correction
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if #available(iOS 14.1, *), let enableAutoDistortionCorrection = options["enableAutoDistortionCorrection"] as? Bool {
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photoSettings.isAutoContentAwareDistortionCorrectionEnabled = enableAutoDistortionCorrection
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}
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photoOutput.capturePhoto(with: photoSettings, delegate: PhotoCaptureDelegate(promise: promise))
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// Assume that `takePhoto` is always called with the same parameters, so prepare the next call too.
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photoOutput.setPreparedPhotoSettingsArray([photoSettings], completionHandler: nil)
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}
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}
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}
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