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December 2005
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2005.12.13 08:57 "Re: Writing EXIF data?", by Andrey Kiselev
On Mon, Dec 12, 2005 at 11:43:31PM -0800, Paul J. Lucas wrote: > > > 2. Even if they did, obviously standard TIFF encoders and > > > decoders are able to deal with it so whatever code they use > > > is able to handle it in the API. > > > > What do you mean by "standard TIFF encoders". Is there something more > > standard than libtiff? > > If I open a TIFF image in Adobe Photoshop, or any number of > image manipulation programs on the market, many read and write > EXIF metadata just fine. > > If libtiff doesn't allow any way to set an EXIF IFD, then it's > deficient. Folks, There is no support for non-standard custom IFDs (at least, no documented support, but you can create such a directory using libtiff API tricks). And I do not think it is serious deficiency. However, the initial support for custom IFDs (read: EXIF) is already in CVS and I shall post the description and code samples later in this list. The new libtiff with custom directories support will be released until the end of the year. Best regards, Andrey -- Andrey V. Kiselev ICQ# 26871517