Github user dieppe commented on a diff in the pull request:
https://github.com/apache/cordova-plugin-camera/pull/185#discussion_r54745802
--- Diff: src/ios/CDVCamera.m ---
@@ -402,6 +444,115 @@ - (NSString*)tempFilePath:(NSString*)extension
return filePath;
}
+// This is not absolute, but more mightNeedOrientationCorrection
+- (BOOL) needsOrientationCorrection:(UIImage*)image
options:(CDVPictureOptions*)options
+{
+ // TODO use image to detect if it needs an orientation correction
+
+ // See FIXME #2
+ // if (options.sourceType !=
UIImagePickerControllerSourceTypeCamera) {
+ // return false;
+ // }
+ return options.correctOrientation;
+}
+
+- (BOOL) needsResize:(CDVPictureOptions*)options
+{
+ return (options.targetSize.height > 0 && options.targetSize.width > 0);
+}
+
+- (BOOL) needsEdit:(UIImage*)image options:(CDVPictureOptions*)options
+{
+ return [self needsOrientationCorrection:image options:options] ||
[self needsResize:options];
+}
+
+- (BOOL) needsSavingToPhotoAlbum:(UIImage*)image
options:(CDVPictureOptions*)options
+{
+ /*
+ We save to the photo album if:
+ - the option is set
+ - the image is fetch from the camera OR the image has been edited (no
need to duplicate image in the library)
+ */
+ BOOL isSourceCamera = options.sourceType ==
UIImagePickerControllerSourceTypeCamera;
+ BOOL saveToPhotoAlbum = options.saveToPhotoAlbum && ([self
needsEdit:image options:options] || isSourceCamera);
+
+ return saveToPhotoAlbum;
+}
+
+/*
+ Metadata is not needed for:
+ - source: gallery
+ - destination: NATIVE_URI
+ - no edit (not orientation and not resize and not allowEdits)
+
+ otherwise, it can be found:
+ - source: camera
+ => UIImagePickerControllerMediaMetadata
+ - source: gallery
+ => CGImage thingy
--- End diff --
Sorry, forgot to remove those comments. They were only meant to remember
how to access metadata in different situation (and might be totally outdated).
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