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

Tom Albers tomalbers at kde.nl
Thu Dec 29 17:29:29 GMT 2005


Op donderdag 29 december 2005 18:35, schreef Gilles Caulier:
> Le Jeudi 29 Décembre 2005 18:16, Tom Albers a écrit :
> > Op donderdag 29 december 2005 18:18, schreef Gilles Caulier:
> > > Le Jeudi 29 Décembre 2005 17:09, Belinda Martin a écrit :
> > > > On Thursday, 29. December 2005 14:39, Gilles Caulier wrote:
> > > > > SVN commit 492272 by cgilles:
> > > > >
> > > > > digikam from trunk : using -q dcraw option to decode RAW file under
> > > > > Image Editor is better than -h : right image size, good image
> > > > > quality, and suitable image decoding speed. TODO : added new IE
> > > > > setting tab in setup dialog about advanced RAW decoding options.
> > > > > CCMAIL:
> > > > > digikam-devel at kde.org
> > > > >
> > > > >
> > > > >  M  +4 -4      rawloader.cpp
> > > > >
> > > > >
> > > > > ---
> > > > > trunk/extragear/graphics/digikam/libs/dimg/loaders/rawloader.cpp
> > > > > #492271:492272 @@ -73,11 +73,11 @@
> > > > >
> > > > >      // run dcraw with options:
> > > > >      // -c : write to stdout
> > > > > -    // -h : Half-size color image (3x faster than -q)
> > > > > +    // -q : Use simple bilinear interpolation for quick results
> > > > >      // -2 : 8bit ppm output
> > > > >      // -w : Use camera white balance, if possible
> > > > >      // -a : Use automatic white balance
> > > > > -    command  = "dcraw -c -h -2 -w -a ";
> > > > > +    command  = "dcraw -c -q -2 -w -a ";
> > > > >      command += QFile::encodeName( KProcess::quote( filePath ) );
> > > > >
> > > > >  #ifdef ENABLE_DEBUG_MESSAGES
> > > > > @@ -156,11 +156,11 @@
> > > > >
> > > > >      // run dcraw with options:
> > > > >      // -c : write to stdout
> > > > > -    // -h : Half-size color image (3x faster than -q)
> > > > > +    // -q : Use simple bilinear interpolation for quick results
> > > > >      // -4 : 16bit ppm output
> > > > >      // -a : Use automatic white balance
> > > > >      // -w : Use camera white balance, if possible
> > > > > -    command  = "dcraw -c -h -4 -w -a ";
> > > > > +    command  = "dcraw -c -q -4 -w -a ";
> > > >
> > > > Salut Gilles,
> > > > I have the dcraw version 7.94, it doesn't accept -q without a
> > > > numerical parameter. It requires at least '-q 0' to work. Maybe you
> > > > have an earlier version?
> > > >
> > > > Gerhard
> > >
> > > Right. I use dcraw v7.49 that don't have any numerical values to use
> > > with -q option. From my dcraw man page :
> > >
> > > -q : Use simple bilinear interpolation for quick results. The default
> > > is to use a slow, high-quality adaptive algorithm.
> > >
> > > Dave Coffin have broken command line compatibility. It will be cool if
> > > he can use a default value with -q option with future dcraw release.
> >
> > Since that version is already released, that is not a solution for now,
> > right?
>
> well i have planed to add a new setup tab dedicaced to RAW decoding
> options. Perhaps we can make a rules to control -q options depending of
> dcraw version, but i think that this way is a little bit complicated for
> end users.
>
> The better way is to finalize C++ dcraw port in libs/dcraw... but i have no
> free time to complete it now.

Maybe go back to -h by default then? But I should not interfere, I really dont 
know what im talking about.

toma
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