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July 1998

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1998.07.29 18:59 "clipping Path in TIFF files", by Glenn Bennett
1998.07.29 19:59 "Re: clipping Path in TIFF files", by Dwight Kelly
1998.07.29 19:59 "Re: clipping Path in TIFF files", by Dwight Kelly
1998.07.29 20:36 "Re: clipping Path in TIFF files", by Tom Lane
1998.07.30 08:06 "Re: clipping Path in TIFF files", by Bruno Ledoux

1998.07.30 08:06 "Re: clipping Path in TIFF files", by Bruno Ledoux

Tom Lane wrote:

> Glenn Bennett <gbennett@autoiii.com> writes:
> > Before you say there is no such thing as a clipping path in a TIFF file,
> > you better try importing TIFF's (with clipping path) produced by PhotoShop
> > into PageMaker.
>
> I believe all of Adobe's apps use a common format for their proprietary
> junk (including clipping paths) that they stuff into a number of
> different image file formats.  In TIFF this block is in a private tag
> (34377 sounds right).  In JPEG they put the same data into APP13
> markers. Etc.
>
> You can find specs for their data block in the Photoshop SDK documents,
> which were available free from www.adobe.com last I looked.  The specs
> are fairly sketchy however, and may not give you everything you need to
> know if you are trying to decode the clipping path.
>
>                         regards, tom lane
>                         organizer, Independent JPEG Group

Tom is right , adobe specs is not clear but I've already done the job to
read/write clipping paths from IRB , I'll forward you the code if you are
interested.

Gratefully,

Bruno Ledoux