[Digikam-devel] [Bug 195561] Implement a selective saturation filter [patch]

Julien Narboux Julien at narboux.fr
Sat Mar 27 09:59:29 GMT 2010


Julien Narboux <Julien at narboux.fr> changed:

           What    |Removed                     |Added
  Attachment #34345|0                           |1
        is obsolete|                            |

--- Comment #5 from Julien Narboux <Julien narboux fr>  2010-03-27 10:59:25 ---
Created an attachment (id=42288)
 --> (http://bugs.kde.org/attachment.cgi?id=42288)
First version of a patch to add a vibrance slider to HSL tool.

This patch creates a new slider called vibrance in the HSL tool. This slider is
the same as saturation except that it adds saturation only to a special range
of colors whose hue is in a given range. The range is set to try to avoid
saturating skin tones.

TODO: add interpolation: for the time begin saturation is added to a given
range of hue, in the future saturation should be added more to some hue rand
and less to some others but with smooth transition.

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