Bugfix 730: TIFFDict Meta Data Exception On iOS MediaPickerDelegate.cs

jamesmontemagno · Sep 20, 2019 · 47e5cd9 · 47e5cd9
1 parent 75943e5
commit 47e5cd9
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/src/Media.Plugin/iOS/MediaPickerDelegate.cs b/src/Media.Plugin/iOS/MediaPickerDelegate.cs
@@ -514,9 +514,11 @@ internal static bool SaveImageWithMetadata(UIImage image, float quality, NSDicti
 
 				if (meta.ContainsKey(ImageIO.CGImageProperties.TIFFDictionary))
 				{
-					var newTiffDict = meta[ImageIO.CGImageProperties.TIFFDictionary] as NSDictionary;
-					if (newTiffDict != null)
+					var existingTiffDict = meta[ImageIO.CGImageProperties.TIFFDictionary] as NSDictionary;
+					if (existingTiffDict != null)
 					{
+						var newTiffDict = new NSMutableDictionary();
+						newTiffDict.SetValuesForKeysWithDictionary(existingTiffDict);
 						newTiffDict.SetValueForKey(meta[ImageIO.CGImageProperties.Orientation], ImageIO.CGImageProperties.TIFFOrientation);
 						destinationOptions.TiffDictionary = new CGImagePropertiesTiff(newTiffDict);
 					}