The type of source which originated the underlying image.
API
PLATFORM_IMAGE
CAMERA
FILE
BUFFER
OTHER
The type of source which originated the underlying image.
API: ImageRef was created by a call to an SDK feature, such as a scanner, image processor, etc.PLATFORM_IMAGE: ImageRef was created from a platform image, e.g. Bitmap on Android, UIImage on iOS.CAMERA: ImageRef was created from data from the camera.FILE: ImageRef was created from a file.BUFFER: ImageRef was created from an encoded buffer.OTHER: ImageRef was created from another type, e.g. from custom loader.