The underlying Quartz image data.
- iOS 2.0+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
If the image data has been purged because of memory constraints, invoking this method forces that data to be loaded back into memory. Reloading the image data may incur a performance penalty.
UIImage object was initialized using a
CIImage object, the value of the property is