Given the nature of picnik, i wouldnt think they go back and forth as
the manipulation happens instantly as you drag a slider or pick a color.

You might be right about final processing (compiling) of the final
image, but possibly giving the user a preview of how the image will
look without going back and forth to the server for processing. This
way the user can undo the changes he/she makes.

alex

--- In [email protected], Jon Bradley <[EMAIL PROTECTED]> wrote:
>
> I believe a majority of the image processing is done on the server  
> but it depends on the circumstance. In most cases (not all though),  
> doing image processing in AS is not the best design choice.
> 
> Some transformations may be done in AS, but it would not make sense  
> in the general case to do so. Especially with complex transformations  
> that may require per-pixel operations - AS is exceedingly slow at that.
> 
> In my experience it's faster to push a quick image transformation  
> matrix or color matrix (or other image edit) to the server and have  
> GDI++, ImageMagik, PIL or one of the many imaging libraries make the  
> modification and send back a proxy.
> 
> peace,
> 
> jon
> 
> On Jan 29, 2008, at 7:14 PM, Alexander Tsoukias wrote:
> 
> > Hi all,
> >
> > Picnik.com has all these photo effects and I was wondering how are
> > they doing it. Is it built in actionscript as functions?
> >
> > Are they using third party components?
> >
> > Any input is greatly appreciated.
> >
> > PS. Anyone looking to work on this please contact me.
> >
> > Thank you,
> > Alex
>


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