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JPEG Autorotate adds Windows right click menu items to folders and photo files (.jpg, .jpeg) for lossless rotation of JPEG files according to EXIF orientation metadata
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nsis-plugins/inetc
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README.md
autooperate.bat
autooperate_ft.bat
autooperatedir.bat
autooperatedir_ft.bat
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imagemagick_license.txt
jhead.exe
jpegtran.exe
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README.md

JPEG-Autorotate

Adds Windows right click menu items to folders and photo files (.jpg, .jpeg) for lossless rotation of JPEG files according to EXIF orientation metadata. See http://jpegrotate.com

(Developer details below added July 22, 2016)

All JPEG autorotate literally does is call jhead with the path given by explorer and a couple of parameters. The entire command line window that opens is called in accordance with registry keys like this

WriteRegStr HKEY_CLASSES_ROOT "Folder\shell\JPEG-EXIF_autorotate_folder\command" "" '"$INSTDIR\autooperatedir.bat" "$INSTDIR\jhead" "%l" "$INSTDIR" -autorot $setPauseAfterDone'

(https://github.com/savolai/JPEG-Autorotate/blob/master/autorotate.nsi )

Which calls the bat file ( https://github.com/savolai/JPEG-Autorotate/blob/master/autooperatedir.bat (

which pretty much only calls jhead and nothing else.

%1 %4 %2\*.jpg
 %1 = $INSTDIR\jhead 
 %4 = -autorot
 %2 = directory path

If you want me to add any parameters of jhead, I can add parameters of course. Or if you can send a patch on github, that would be great. I don't really have much time to work on JPEG autorotate and would love someone to take its maintenance over on github.

http://www.sentex.net/~mwandel/jhead/usage.html

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