Rotate jpg file based on EXIF data

Posted on 2008-10-27
Last Modified: 2012-05-05
I am not sure there is a solution for what I want to do but I thought I would ask anyways...

I have a .net application that gets xml from an external source with images.
I am loading the xml and images and displaying them, no image attributes are contained in the XML file.
Some images are lanscape and some portrait

Is there a way somehow how to use the EXIF data in the JPG to work out whether the shot should be displayed horizontally or vertically and rotate the image as neccassary???
Question by:clearchannel
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Expert Comment

ID: 22811503

Author Comment

ID: 22865531
Those links don't really help with what I want to do. Sorry.
They relate to extractng the EXif data and lossless image support, neither refer to the image orientation etc.

Expert Comment

ID: 22865821
Both posts give details on how to get the PropertyItems from the EXIF data.
If I'm not mistaken the ProprtyItem you're interested in PropertyItem 274 - the Orientation tag.
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Author Comment

ID: 22865887
As you just linked to other EE posts, Can you point out where then as I did not see any reference.

Accepted Solution

openshac earned 500 total points
ID: 22866093
I think all the articles talk about using the PropertyItems so you just need to be able to read those first.
Then I think you're interested in PropertyItem 274 - the Orientation tag.

Expert Comment

ID: 22866137
>>so you just need to be able to read those first

The PropertyItems collection that is (not the articles)

Didn't mean to sound condescending ;-)

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