Return mime data previously attached to surface using the specified mime type. If no data has been attached with the given mime type, data is set null.
the mime type of the image data
TODO: More D-like API
Note: Only use this if you know what your doing! Make sure you get memory management of the data right!
See Implementation
Return mime data previously attached to surface using the specified mime type. If no data has been attached with the given mime type, data is set null.