damus

commit 196cfdec4ba17009626cc2a690a8741148c56c91
parent bfb47c0f855772f739b146a7f8232a9cbb9d2c4d
Author: Joel Klabo <joelklabo@gmail.com>
Date:   Tue,  4 Apr 2023 17:59:54 -0700

Fix Image Orientation

Diffstat:
M
damus/Views/ImagePicker.swift
 | 
19
+++++++++++++++++--

1 file changed, 17 insertions(+), 2 deletions(-)
diff --git a/damus/Views/ImagePicker.swift b/damus/Views/ImagePicker.swift
@@ -45,11 +45,13 @@ struct ImagePicker: UIViewControllerRepresentable {
                 // Handle the selected image
                 onImagePicked(imageURL)
             } else if let cameraImage = info[UIImagePickerController.InfoKey.originalImage] as? UIImage {
-                if let imageURL = saveImageToTemporaryFolder(image: cameraImage, imageType: "jpeg") {
+                let orientedImage = cameraImage.fixOrientation()
+                if let imageURL = saveImageToTemporaryFolder(image: orientedImage, imageType: "jpeg") {
                     onImagePicked(imageURL)
                 }
             } else if let editedImage = info[UIImagePickerController.InfoKey.editedImage] as? UIImage {
-                if let editedImageURL = saveImageToTemporaryFolder(image: editedImage) {
+                let orientedImage = editedImage.fixOrientation()
+                if let editedImageURL = saveImageToTemporaryFolder(image: orientedImage, imageType: "jpeg") {
                     onImagePicked(editedImageURL)
                 }
             }
@@ -118,3 +120,16 @@ struct ImagePicker: UIViewControllerRepresentable {
 
     }
 }
+
+extension UIImage {
+    func fixOrientation() -> UIImage {
+        guard imageOrientation != .up else { return self }
+        
+        UIGraphicsBeginImageContextWithOptions(size, false, scale)
+        draw(in: CGRect(origin: .zero, size: size))
+        let normalizedImage = UIGraphicsGetImageFromCurrentImageContext()
+        UIGraphicsEndImageContext()
+        
+        return normalizedImage ?? self
+    }
+}