Merge pull request #43 from bhuvan94/fix_ios_camera_orientation

Fix for iOS camera orientation issue
Redth · Oct 18, 2022 · aa7ca80 · aa7ca80
2 parents 4170b0f + b2cb405
commit aa7ca80
Showing 1 changed file with 20 additions and 1 deletion.
diff --git a/ZXing.Net.MAUI/Apple/CameraManager.ios.maccatalyst.cs b/ZXing.Net.MAUI/Apple/CameraManager.ios.maccatalyst.cs
@@ -9,6 +9,7 @@
 using UIKit;
 using Microsoft.Maui;
 using MSize = Microsoft.Maui.Graphics.Size;
+using CoreAnimation;
 
 namespace ZXing.Net.Maui
 {
@@ -254,8 +255,26 @@ public PreviewView(AVCaptureVideoPreviewLayer layer) : base()
 		public override void LayoutSubviews()
 		{
 			base.LayoutSubviews();
+			CATransform3D transform = CATransform3D.MakeRotation(0, 0, 0, 1.0f);
+			switch (UIDevice.CurrentDevice.Orientation)
+			{
+				case UIDeviceOrientation.Portrait:
+					transform = CATransform3D.MakeRotation(0, 0, 0, 1.0f);
+					break;
+				case UIDeviceOrientation.PortraitUpsideDown:
+					transform = CATransform3D.MakeRotation((nfloat)Math.PI, 0, 0, 1.0f);
+					break;
+				case UIDeviceOrientation.LandscapeLeft:
+					transform = CATransform3D.MakeRotation((nfloat)(-Math.PI / 2), 0, 0, 1.0f);
+					break;
+				case UIDeviceOrientation.LandscapeRight:
+					transform = CATransform3D.MakeRotation((nfloat)Math.PI / 2, 0, 0, 1.0f);
+					break;
+			}
+
+			PreviewLayer.Transform = transform;
 			PreviewLayer.Frame = Layer.Bounds;
 		}
-	}
+    }
 }
 #endif