broken backwards compatibility

[Boudewijn Rempt]

On Thursday 28 April 2011 Apr, Cyrille Berger Skott wrote:
> On Thursday 28 April 2011, Boudewijn Rempt wrote:
> > I tried loading the Wasted Mutants showcase file in Krita today and
> > discovered that it doesn't look like the original version on krita.org
> > anymore... Maybe that's because the background gradient layer was
> > disabled, but I fear we have a regression here. Animtim, can you check?
> It is probably related to this unit test failure:
> http://my.cdash.org/testDetails.php?test=5883333&build=182488
> 
> Since the file use the "screen" Composite op which now return totally different 
> values:
> FAIL!  : TestKoCompositeOps::testCompositeScreen() Compared values are not the 
> same
>    Actual (p16f1.red): 15014
>    Expected ((quint16)18840): 18840
>    Loc: 
> [/home/cyrille/src/calligra/libs/pigment/tests/TestKoCompositeOps.cpp(1072)]
> 
> 
> And if you click on the "Alpha channel" icon for layer "21" then the file is 
> fixed.
> 
> My opinion is that the default value for "Alpha channel" should be inversed. 
> Especially since it would give the same behaviour as in other applications.

Sounds like a sensible change then.

-- 
Boudewijn Rempt | http://www.valdyas.org, http://www.krita.org