[Digikam-devel] extragear/graphics/digikam/libs/dimg

[Gilles Caulier]

Le Vendredi 24 Février 2006 13:12, Gilles Caulier a écrit :
> Le Vendredi 24 Février 2006 07:51, Gilles Caulier a écrit :
> > Le Jeudi 23 Février 2006 17:27, Marcel Wiesweg a écrit :
> > > SVN commit 512791 by mwiesweg:
> > >
> > > digikam from trunk: HSL modifier
> > > - DColor, getHSL and setRGB
> > >     - remove hardcoded 255.0 values
> > >     - fix wrong assignment of variable in setRGB
> > >       (use double value hue in 0..360, not int h in 0..255)
> > > - HSLMOdifier
> > >     - use mathematically simplified version of algorithm in
> > > setLightness and setSaturation, old version had integer overflows with
> > > 16 bit and rounding errors - in setLightness, the value range was
> > > -200..200, while it is -100..100 in setSaturation and in the widget.
> > > Changed this to use range -100..100.
> > > - use lround instead of truncating to int in BCGModifier, HSLModifier
> > >
> > > Please test if the HSL filter now has the desired effect for both 8 bit
> > > and 16 bit. CCMAIL:digikam-devel at kde.org
> >
> > Incredible. HSL tool work fine now with 16 bits images. Great job Marcel.
> > Thanks...
> >
> > But The other part witch used HSL modifier algorithm is Image Editor
> > Black & White converter. Any B&W converter options are broken :
> >
> > - Sepia tone.
> > - Brown Tone.
> > - Cold Tone.
> > - Selenium Tone.
> > - Platinium Tone.
> >
> > I think that the B&W implementations must be adapted to your patch...
>
> Fixed in svn (:=)))...
>
> Now all image plugins from digikam core are ported to 16 bits.
>
> Marcel, the next stage to complete digiKam 0.9.0 package about 16 bits
> image support is the non-ported to Dimg tools from DigikamImagePlugins
> (look in digiKam README for the list)

Not README file, but TODO (:=)))

Gilles