Aurelia Molzer bc71086a96 Verify WhiteIsZero invert, add Gray(1) color type ...

This was found through the fax4 decoding that is always bilevel.

No longer silently ignore an unknown color type when a photometric
interpretation requires an inversion. DICOM requires that WhiteIsZero
and BlackIsZero are only used for samples-per-pixel=1 but we do not
strictly enforce that early. Previously for the result Multiband color
we just ignored the tag which is also not right.

2025-09-01 00:25:48 +02:00

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