Declaration
// Possible values for EXIF_Orientation
_exoCorrectOrientation = 1; // Image is Orientated Correctly
_exoNeedsHorizontalFlip = 2; // Image is Horizontally Flipped
_exoNeeds180Rotate = 3; // Image is Offset by 180º
_exoNeedsVerticalFlip = 4; // Image is Vertically Flipped
_exoNeedsHorzAndVertFlip = 5; // Image is Flipped Horiz. and Offset 90º CCW
_exoNeeds90RotateCW = 6; // Image is Offset by 90º CCW
_exoNeedsFlipHorzAnd90Rotate = 7; // Image is Flipped Horiz. and offset 90º CW
_exoNeeds270RotateCW = 8; // Image is Offset by 90º clockwise