Returns the properties of the image at a specified location in an image source.
- iOS 4.0+
- macOS 10.4+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
- Image I/O
An image source.
The index of the image whose properties you want to obtain. The index is zero-based.
A dictionary you can use to request additional options. See Image Source Option Dictionary Keys for the keys you can supply.
A dictionary that contains the properties associated with the image. See CGImageProperties for a list of properties that can be in the dictionary.