CGImageSourceCopyProperties(_:_:)
Returns the properties of the image source.
Declaration
func CGImageSourceCopyProperties(_ isrc: CGImageSource, _ options: CFDictionary?) -> CFDictionary?Parameters
- isrc:
The image source that contains the image data.
- options:
A dictionary you can use to request additional options. For a list of possible values, see Cgimagesource.
Return Value
A dictionary that contains the properties associated with the image source container. See CGImageProperties for a list of properties that can be in the dictionary.
Discussion
These properties apply to the container in general but not necessarily to any individual image contained in the image source.