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December 2005

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2005.12.12 22:19 "Writing EXIF data?", by Paul J Lucas
2005.12.12 22:49 "Re: Writing EXIF data?", by Bob Friesenhahn
2005.12.12 22:57 "Re: Writing EXIF data?", by Paul J Lucas
2005.12.12 23:47 "Re: Writing EXIF data?", by Bob Friesenhahn
2005.12.13 02:15 "Re: Writing EXIF data?", by Paul J Lucas
2005.12.13 05:22 "Re: Writing EXIF data?", by Bob Friesenhahn
2005.12.13 07:43 "Re: Writing EXIF data?", by Paul J Lucas
2005.12.13 08:57 "Re: Writing EXIF data?", by Andrey Kiselev
2005.12.13 16:28 "Re: Writing EXIF data?", by Joris Van Damme
2005.12.13 17:22 "Re: Writing EXIF data?", by Paul J Lucas
2005.12.13 18:16 "Re: Writing EXIF data?", by Bob Friesenhahn
2005.12.13 05:24 "Re: Writing EXIF data?", by Joris Van Damme
2005.12.13 07:49 "Re: Writing EXIF data?", by Paul J Lucas
2005.12.13 15:07 "Re: Writing EXIF data?", by Joris Van Damme
2005.12.13 17:31 "Re: Writing EXIF data?", by Paul J Lucas
2005.12.13 18:08 "Re: Writing EXIF data?", by Joris Van Damme
2005.12.13 18:13 "Re: Writing EXIF data?", by Paul J Lucas
2005.12.13 18:25 "Re: Writing EXIF data?", by Joris Van Damme
2005.12.13 19:49 "Re: Writing EXIF data?", by Lou Sakey
2005.12.13 20:27 "Re: Writing EXIF data?", by Joris Van Damme
2005.12.13 21:24 "Re: Writing EXIF data?", by Lou Sakey
2005.12.13 20:04 "Re: Writing EXIF data?", by Paul J Lucas
2005.12.13 20:47 "Re: Writing EXIF data?", by Andrey Kiselev
2005.12.13 18:19 "Re: Writing EXIF data?", by Joshua Muskovitz
2005.12.13 20:23 "Re: Writing EXIF data?", by Paul J Lucas
2005.12.13 21:08 "Re: Writing EXIF data?", by Andrey Kiselev
2005.12.13 18:16 "Re: Writing EXIF data?", by Joshua Muskovitz
2005.12.13 18:40 "Re: Writing EXIF data?", by Chris Losinger

2005.12.13 18:13 "Re: Writing EXIF data?", by Paul J Lucas

On Tue, 13 Dec 2005, Joris wrote:
>
> Since EXIF data is an IFD, and some tag values may be longer the 4 bytes,
> there's offsets there.

I know.

> Thus, how to build that 'blob' depends on where you're going to write it.

No it doesnt since all the offsets inside the EXIF IFD are
relative to its start.  It's the same as for a JPEG file.  EXIF
data is in a JPEG's APP1 segment.  The APP1 segment is
self-contained.  All offsets are relative to its beginning.

> I hope you were aware.

Yes.

	- Paul