[Digikam-devel] [Bug 225728] Adding vignette should not increase brightness in the center

[Julien Narboux]

https://bugs.kde.org/show_bug.cgi?id=225728





--- Comment #4 from Julien Narboux <Julien narboux fr>  2010-02-21 22:02:17 ---
SVN commit 1093995 by jnarboux:

Reimplement vignetting/antivignetting logic. 
Remove normalizing of the picture. This caused changes in the brightness of the
picture which were hard to predict.
Vignetting now decreases exposure in the periphery. Antivignetting increases
exposure in the periphery.
The center of the picture is always kept untouched. The new parameter inner
circle radius allow user to chose the size of the circle where the image is
kept untouched.
Remove Brightness/Contrast/Gamma tools, which I think were used in the post
only as a trick to restore brightness by hand in the center of the picture.

CCBUGS: 225728



 M  +0 -2      TODO  
 M  +36 -50    antivignetting.cpp  
 M  +7 -5      antivignetting.h  
 M  +71 -129   antivignettingtool.cpp  


WebSVN link: http://websvn.kde.org/?view=rev&revision=1093995

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