Mipmapping for canvas. Ideas and comments.

[Boudewijn Rempt]

On Thu, 23 Jul 2009, Dmitry Kazakov wrote:

> Then, KisProjectionPyramid should replace KisProjectionCache. And
> KisPrescaledProjection would request downsampled images from the
> pyramid. It would be logical and with "clear separation of concerns"
> =)

Ok, sounds good.

> 
> 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 =)

Ok, I think it's fine if you go forward like this

> 
> Btw, i'm afraid of that tiles inside pyramid can degrade perfomance, can't they?

I don't think it will have much of an impact.

Boudewijn