railbird/react-native-vision-camera
9
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

fix: Fix potential bug in Photo Orientation (#1765)

Browse Source
This commit is contained in:
Vojtech Novak 2023-09-06 11:30:58 +02:00 committed by GitHub
parent 6dd1d4147e
commit eddb01fda1
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 11 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
package/ios/PhotoCaptureDelegate.swift
View File

@ -57,9 +57,10 @@ class PhotoCaptureDelegate: NSObject, AVCapturePhotoCaptureDelegate {
let exif = photo.metadata["{Exif}"] as? [String: Any]
let width = exif?["PixelXDimension"]
let height = exif?["PixelYDimension"]
let exifOrientation = photo.metadata[kCGImagePropertyOrientation as String] as? Int ?? 0
let orientation = getOrientation(forExifOrientation: exifOrientation)
let isMirrored = getIsMirrored(forExifOrientation: exifOrientation)
let exifOrientation = photo.metadata[String(kCGImagePropertyOrientation)] as? UInt32 ?? CGImagePropertyOrientation.up.rawValue
let cgOrientation = CGImagePropertyOrientation(rawValue: exifOrientation) ?? CGImagePropertyOrientation.up
let orientation = getOrientation(forExifOrientation: cgOrientation)
let isMirrored = getIsMirrored(forExifOrientation: cgOrientation)
promise.resolve([
"path": tempFilePath,
@ -86,24 +87,24 @@ class PhotoCaptureDelegate: NSObject, AVCapturePhotoCaptureDelegate {
}
}
private func getOrientation(forExifOrientation exifOrientation: Int) -> String {
private func getOrientation(forExifOrientation exifOrientation: CGImagePropertyOrientation) -> String {
switch exifOrientation {
case 1, 2:
case .up, .upMirrored:
return "portrait"
case 3, 4:
case .down, .downMirrored:
return "portrait-upside-down"
case 5, 6:
case .left, .leftMirrored:
return "landscape-left"
case 7, 8:
case .right, .rightMirrored:
return "landscape-right"
default:
return "portrait"
}
}
private func getIsMirrored(forExifOrientation exifOrientation: Int) -> Bool {
private func getIsMirrored(forExifOrientation exifOrientation: CGImagePropertyOrientation) -> Bool {
switch exifOrientation {
case 2, 4, 5, 7:
case .upMirrored, .rightMirrored, .downMirrored, .leftMirrored:
return true
default:
return false