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List:       kde-kimageshop
Subject:    Re: Mipmapping for canvas. Ideas and comments.
From:       "C. Boemann" <cbo () boemann ! dk>
Date:       2009-07-23 10:38:20
Message-ID: 200907231238.20363.cbo () boemann ! dk
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On Thursday 23 July 2009 12:35:28 Dmitry Kazakov wrote:
> >> krita/image is not a proper place for pyramid as the latter one needs
> >> 'monitor profile' to convert paintDevice to QImage. The only solution
> >> to leaving pyramid inside image/ is to make it use KisPaintDevice. But
> >> paintDevice's tiles are too small for that purpose =)
> >>
> >> Btw, i'm afraid of that tiles inside pyramid can degrade perfomance,
> >> can't they?
> >
> > The tiles are not too small at all.
> >
> > just let one tile on a hight level cover 4 tiles on the level below.
> > voila and it will work.
> >
> > tiles are needed for large pictures anyway
>
> So should i use KisPaintDevice here or write some special, based on
> QImage, tile backend?
my vote is for neither. make a kispaintdevice kinf of thing that uses the tile 
system but without all the painting overhead
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