CGImageSourceGetType(_:)
Returns the uniform type identifier of the source container.
Declaration
func CGImageSourceGetType(_ isrc: CGImageSource) -> CFString?Parameters
- isrc:
The image source that contains the image data.
Return Value
The uniform type identifier of the image source container.
Discussion
The uniform type identifier of the source container can be different from the type of the images in the container. For example, the .icns format supports embedded JPEG2000. The type of the source container is "com.apple.icns", but type of the images is JPEG2000.
For a list of system-declared and third-party identifiers, see Uniform Type Identifiers.