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July 2005
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2005.07.22 22:29 "Re: Value/Offset field is Value or offset", by Joris Van Damme
Anmol, > I am trying to code in C regarding tiff file. I want to write a section > of code which decides whether the data in the "Value" section of the > Entry of the IFD(Last 4 bytes of each Entry) is an actual data or the pointer > to the actual data somewhere else in file. Will it always be the case that > if the actual data can fit in 4 bytes, it will be placed in teh > "value/offset" field. Yes, that's right. A short informal overview is here: http://www.awaresystems.be/imaging/tiff/faq.html#q3 The complete specification, along with supplements, is hosted here: http://partners.adobe.com/public/developer/tiff/index.html Are you aware that there's an excellent library freeing you from all this nitty gritty detail? LibTiff is the mother of all TIFF codecs, and is here: http://www.remotesensing.org/libtiff/ > CONFIDENTIALITY NOTICE: Hilarious. Joris Van Damme info@awaresystems.be http://www.awaresystems.be/ Download your free TIFF tag viewer for windows here: http://www.awaresystems.be/imaging/tiff/astifftagviewer.html