Returns the image view over an image XObject of this document.
public PdfImage? GetImage(CosObject? image)
An image XObject stream, or a reference to one, such as a value of a resource dictionary's XObject subdictionary.
null when image is not a stream, or is a stream whose Subtype names another
kind of XObject. A stream without Subtype is read as an image (a thumbnail image has none, §12.3.4).
ISO 32000-2 §8.9.5, Table 87.