Observation of a zoom-engine of PS

[Boudewijn Rempt]

On Sunday 01 November 2009, Dmitry Kazakov wrote:
> Hi!
> 
> Just an observation i got today while using PS7.  =)
> It has quite good and fast zooming engine. And the most interesting fact
> about that - it uses different zoom-algorithms for different zoom-levels.

Well, so do we -- or, since I haven't checked recently, maybe used to do. Our 
scheme was smooth < 100%, nn > 100% or something like that.

> More exactly:
> 
> For zoom-levels 100,50,25,12.5 - it uses smooth-scale algorithm
> For other levels - nearest-neighbor. More than that, it uses nearest
> prescaled(?) image for NN-sampling.
> 


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