Mipmapping for canvas. Ideas and comments.

[Dmitry Kazakov]

>> Lukas is looking into that.
>>
>
> OpenGL uses some small textures (tiles) that are mapped on planes
> (quads) and when
> the image is scaled, you can decide what algorithm is used. See [1]
> There are also mip-map versions. I used bi-linear interpolation for
> zoom til 2.0 (200 %), and nearest neighbohour at higher zoom.

Btw, Lukas, does openGL canvas do resampling in his own classes? Does
it use hardware acceleration for that?

-- 
Dmitry Kazakov