Is the device which you are using really a scanner? If it is a locally (USB, SCSI, parallel, ISA or PCI card) scanner and the Windows driver gives you the possibility to save the scanned image as a JPEG with EXIF info, the EXIF info is most probably generated by the Windows driver, as local scanners usually send raw image data over the wire. In this case it would be an idea of enhancement for SANE or its frontends to save info about the image and or applied correction operations in an EXIF header when saving the image as JPEG.
If it is a network-connected high-end multi-function device (usually based on an office copy machine) which allows the user to download scans as JPEG files via a web interface, FTP, or e-mail you can apply libexif-based tools on the JPEG files as soon as they are onm your hard disk, see below about these tools. If your device is a digital camera (or the small HP PhotoSmart scanner which scans onto a photo memory card) the camera´s firmware stores the camera settings in an EXIF haeder when you let the camera save the photo as JPEG on the memory card. Use gtkam (gphoto2 frontend with remote control feature, http://www.gphoto.org/) or the buttons of the camera to take the photos, then they get saved on the card. If there is a driver for SANE to take or download photos (does this exist?) it is possible that you get the image as raw data, without EXIF header (as from a local scanner). Download the photos via USB mass storage or gphoto2. Then use libexif-base tools for reading and editing the EXIF headers. libexif and the "exif" (command line) and "gexif" (graphical) frontends you can find in many distros or on http://sourceforge.net/projects/libexif. In addition, gtkam, gphoto2, flphoto (http://www.easysw.com/~mike/flphoto/), and several web album systems support EXIF (when compiled with libexif). Till Georges Roux wrote: > Yes like this: > > EXIF tags in 'IMG002.jpg' ('Intel' byte order): > --------------------+---------------------------------------------------------- > Tag > |Value > --------------------+---------------------------------------------------------- > Manufacturer > |Nikon > x-Resolution > |2900/1 > y-Resolution > |2900/1 > Resolution Unit > |Inch > Date and Time |2003.05.17 > 22.38.02 > YCbCr Positioning > |centered > Exif Version |Exif Version > 2.1 > ComponentsConfigurat|Y Cb Cr > - > Maker Note |32 bytes unknown > data > FlashPixVersion |FlashPix Version > 1.0 > Color Space > |sRGB > PixelXDimension > |3979 > PixelYDimension > |2674 > --------------------+---------------------------------------------------------- > > to have some informations about parameters, date... > > Georges > > Henning Meier-Geinitz wrote: > >>Hi, >> >>On Sat, May 17, 2003 at 05:44:25PM +0200, Georges Roux wrote: >> >> >>>Is it possible to have Exif, supported in a next release? >>> >>> >> >>Can you give some more details? Do you want the frontends to output >>the images as exif? For XSane? >>
