Hi Dennis and Pat.
Thanks Dennis. I am of the programming style of the 'man who plays Bethovens
5th' in Peter Cooke and Dudley Moore skit; if that makes sense.
So your pointers are very helpful.
Pat that is the component JpgComment that I am modifying - it is the basic
file i/o routines, and doesnt cater for in-memory jpeg modification - yet.
Lets know if you want a copy when I have finished it.
Incidentally, whilst searching for the jpeg protocols, I found out that jpeg
can be a lossy format insofar as depending on what standard one is using,
the file is deteriorated on each save, due to compression losses. However
GIF does not suffer from that problem. Apparently the best system
non-licensed is PNG, but there is not so much use of that around yet.
Al+
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