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1993.06.10 17:05 "TIFF - T4 2D subtleties", by Brian Rippon
1993.06.21 21:07 "Re: TIFF - T4 2D subtleties", by Sam Leffler

1993.06.10 17:05 "TIFF - T4 2D subtleties", by Brian Rippon

In implementing Group3, 2D, TIFF files, there seems to be confusion concerning the positioning of the EOL+1 and EOL+0's relative to byte boundaries, strips (and tiles).

TIFF6 says that fill bits, if added, are such that EOL always ends on a byte boundary.

I think tifflib interprets the spec by ensuring that EOL+1 or EOL+0 always ends on a byte boundary. Doesn't this contradict the spec?

Secondly, does a strip (or tile) always commence with EOL+1? If so, the last row in a strip does not contain an EOL, only fill bits, so up to 10 fill bits may occur before the EOL. Or should the 1 be at the start of the strip (except for the first strip, which starts EOL+1)?

Any views? Or is it formally defined somewhere?

Thanks,

Brian