[Qt-interest] brightness/contrast using Qt 4.4

[Tim Dewhirst]

Hello,

Avishek_Sharma wrote:
> I downloaded the 'imageviewer' example and am trying to
> implement brightness/contrast features in it.I tried google but
> didn't find much. Is there any API in Qt 4.4.3 which functions
> similar to  'QPixmapFilter' available in Qt 4.5 ? Any
> suggestion/examples/code which might help would be welcome.

I think you already got a reply to this question, but here's a more 
concrete answer that may be of some use:

http://www.graficaobscura.com/matrix/index.html

As the original answer noted, there are is more than one way to do what 
you want but it's up to you to find the best solution.

Tim
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dr. t. dewhirst
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