I'm no expert on this, but I have a feeling you may have better luck in Flash for this purpose.
Or maybe find a generic brightness setting that's good for all the images and just to a batch process on them and re-upload. Not an idea solutions, but I don't think any Javascript (that I know of anyway) will be able to manipulate pixels in an existing image. On Oct 23, 11:56 am, "Josh Rosenthal" <[EMAIL PROTECTED]> wrote: > Hey Folks, > So, a project involving allowing users to view scanned photos of historic > structures has recently run into the problem that some of the photos are a > bit dark relative to the originals, with some details being impossible to > see in the jpg. When viewed on desktop, this is usually dealt with by users > just tweaking the brightness in their quick and easy photo viewer of choice. > I'm trying to replicate that functionality for a web interface we're > developing. > > Does anyone know of an image control jquery plugin that allows brightness > control, or has anyone dealt with similar issues? Optimally, it'd be > something lightbox-esque, with FF3/IE7+ compatability, but I'd love to see > any examples at all. > > Poking around, I've found a few potential leads if I have to try to build > something, but I'm hoping someone out there has beaten me to it. > > In case anyone is curious, the leads I ran across were: > FF Only:http://people.mozilla.com/~schrep/image12.html > and:http://www.nihilogic.dk/labs/imagefx/ > and lastly: > processing.js seems to have similar capabilities, but I've never done > anything with it and thus have no idea how easy/nightmarish it'd be to add a > brightness slider or +/-10% button to an image. Also, compatibility is > problematic. > > Thanks a lot, > > josh
