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#1 Posted : Wednesday, November 30, 2005 8:17:03 AM(UTC)


Groups: Registered
Posts: 2

I have an application that uses the LeadTools API to load and save image files.  In a previous version, we distributed version of the LEadTools redist files.  We have since upgraded to version  We have customers who import EXIF images from digital cameras.  Those images appeared correctly in previous versions of our software , but now (with build 117) they appear rotated.  If I replace only lfcmp13n.dll build 117 with the build 57 version (leaving all other files from build 117), the images once again appear correctly.  I have tried downloading the latest patch ( but it did not help the situation.  I have read that most programs don't handle the EXIF orientation flag correctly and that version may be handling these images "correctly".  If that is indeed true, how do you suggest I make my software work correctly with version and beyond?


Thank You,



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#2 Posted : Monday, December 5, 2005 6:12:48 AM(UTC)


Groups: Registered, Tech Support
Posts: 20

In v14.5, we added a flag : ELO_IGNOREVIEWPERSPECTIVE, this
flag Ignore the view perspective stored in the file and load the file as
TOP_LEFT. If you are loading a TIF or Exif file that looks rotated or flipped,
try setting this flag before loading the file.

For older versions, please read the following post on our
site, which gives a suggested approach to making your program work like other
common applications:

The relevant part is toward the end (dated 11-16-2005)


Ali Abo Al-Rob
LEADTOOLS Technical Support

Edited by moderator Thursday, December 8, 2016 2:37:24 PM(UTC)  | Reason: Not specified

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