Have a look at ImageCopy in the manual.
"Electroteque" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> here is a tricky question, i have created a photo gallery script where i
> edit the photo and gammacorrect the photos, at the moment i post the gamma
> value and refreshes the resized preview image , what i'd like to do is be
> able to have a before and after preview so half the image is the normal
> image and half the image is the gamma corrected image , is this possible ?
> any leads would be excellent
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