[Digikam-devel] [Bug 148540] Improvements of adding noise tool

[Gilles Caulier]

https://bugs.kde.org/show_bug.cgi?id=148540





--- Comment #24 from Gilles Caulier <caulier gilles gmail com>  2010-03-05 20:17:57 ---
>Yes I know, but I plan to add three sliders in the film grain tool to change
>noise level depending on lightness. The user should have the possibility to add
>noise in midtones while preserving white/blacks. Then I will try to factorize
>the setting widgets betweeen bqm and other tool as you did with other tools.

OK. grain settings widget must go to /libs/dimg/filters/fx. Look how i do with
others filter, as bcgsettings.cpp for ex.

>What about adding the possibility to add chroma noise as well ? it is not
>usefull for me but maybe other people need chroma noise ?

yes. chroma noise will simulate CCD camera. I supose that you need to convert
RG to YCbCr color space and vice versa, to add noise on right channel. Look in
nrfilter.cpp code. 

Gilles

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