>> For JPEG and TIFF, which are extensible formats, there's also the >> possibility that an image has something in it that we don't support >> (and that the corresponding decoder on Windows doesn't support) but >> some other decoder on the system can. > > A not supported stream format is a bug and should be fixed IMO. I believe > that an implementation which declares support for all formats is better > than a not implemented stub.
I'm not sure. There are plenty of standard TIFF files that native can't handle (though I don't think it's a bug if we can), and there's the possibility of non-standard TIFF files that a corresponding third-party decoder can.
