static AndroidJavaObject RotateBitmap(AndroidJavaObject bitmap, string photoPath)
{
try
{
var ei = new AGExifInterface(photoPath);
var orientation = ei.Orientation;
switch (orientation)
{
case AGExifInterface.Orientations.Rotate90:
return(RotateBitmap(bitmap, 90f));
case AGExifInterface.Orientations.Rotate180:
return(RotateBitmap(bitmap, 180f));
case AGExifInterface.Orientations.Rotate270:
return(RotateBitmap(bitmap, 270f));
default:
return(bitmap);
}
}
catch (Exception e)
{
Debug.LogError("Failed rotating bitmap");
Debug.LogException(e);
return(bitmap);
}
}
static void GetImageTags(string imagePath)
{
var exif = new AGExifInterface(imagePath);
var tags = exif.ToString().Split(',');
foreach (var exifTag in tags)
{
Debug.Log(exifTag);
}
}
public void OnSetImageExifTags()
{
//Note, that PickImageFromGallery creates a duplicate of the selected image in the application folder
//This is why you need to store the path to it, so you can later get it or its attributes
AGGallery.PickImageFromGallery(
selectedImage =>
{
_imageFilePath = selectedImage.OriginalPath;
var exif = new AGExifInterface(_imageFilePath)
{
Artist = "Osiris"
};
Debug.Log("Artist: " + exif.Artist);
exif.SaveAttributes();
Resources.UnloadUnusedAssets();
},
errorMessage => AGUIMisc.ShowToast("Cancelled picking image from gallery: " + errorMessage));
}
