On Mon, 2002-02-04 at 14:29, Dave Neary wrote: > Thereare a couple of other libraries which do pretty much the same > thing - > see the relevant bug numbers in bugzilla (not sure what they are right > now). > I haven't had a chance to look closely at this, but it looks good.
There is python stuff, a C++ library, lots of programs, but no plain C library. Plus, everything out there is designed for _extracting_ EXIF data, not _editing_ it. This is why I designed libexif(-gtk). > Yup. We use a straight call to libjpeg's header parser, which doesn't > know > anything about exif. A couple of people (myself and Raphael Quinet) > were > looking at this with a view to adding support in 1.3 at least about a > month > and a half ago. So I am the third person looking at it :-) I just don't know how to handle the dependency on libexif(-gtk). You know, libexif itself is quite small and could be included in gimp (although I'd keep it separately), but libexif-gtk is getting bigger and bigger as more widgets are added. Therefore my question: Is it ok to introduce a (conditional --enable-exif) dependency on libexif(-gtk) for gimp? > The last I had done was a very > simple > hack which replaces our call to the header reader with a call which > read exif > information. This is now a one-line call to libexif (exif_data_new_from_data()). > The next step would have been to specify how that > information > would be passed over and back between the main gimp and the jpeg > plug-in. > There was some discussion on this, and it was agreed by everyone > (eventually) that parasites were the way to go. Ok, I'll look into this. > There was a proposal before to have an exif data editor This is libexif-gtk - just call gtk_exif_browser_new () and you've got the editor... > (or even a > parasite editor) > as well, but I reckon the first step is getting the exif stuff read > into some well-defined > structure, Already there in libexif. > and getting it written out to files in the same proper > structure without > destroying it. Not yet done. I'll try. Lutz -- +------------------------------------------+ \|||/ | Lutz Müller +49 (7156) 34837 | (o o) | +---ooO-(_)-Ooo---+ | Hans-Sachs-Strasse 5 | | 71254 Ditzingen http://www.topfrose.de | | Germany [EMAIL PROTECTED] | +------------------------------------------------------------+
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