Sliderbar Image Contrast

Eric Chatonet eric.chatonet at
Thu Dec 8 11:14:43 EST 2005

Hi Jason,

In theory yes. Quite easy.
Referring to Ben's stack slider:

on scrollbardrag pPos
   put adjustContrast(pPos) into newdata
end scrollbardrag

Practically, you will see that does not work well *on-the*fly*: too  
much calculation :-(

Le 8 déc. 05 à 17:05, Jason (Polydiam) a écrit :

> Is it possible to change the contrast of an image on the fly with a  
> slider?
> I know there is an stack on the Users Spaces, BenJam has a basic image
> processor, but with that it you have to change the slider value,  
> then click
> OK.
> Is it possible to do this on the fly with a sliderbar without  
> having to
> press OK?

Best Regards from Paris,
Eric Chatonet
----------------------    eric.chatonet at

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