Re: [PHP] changing the brightness of an images

2003-03-12 Thread Tom Rogers
Hi, Thursday, March 13, 2003, 8:09:45 AM, you wrote: DH> Hi, DH> I hope this is the right newsgroup for this so if it is not, please, DH> excuse me. DH> I would like to be able to change the brightness of an image using PHP. DH> Here are some more detiails: I would like t

Re: [PHP] changing the brightness of an images

2003-03-12 Thread Pete James
Although I don't know how to do this myself, one of the places I've seen it done is in JpGraph (www.aditus.nu). The function that does it is AdjBackgroundImage($bright, $contrast, $saturation) in jpgraph.php. You could try taking a look at the source? Pete. Dimitar Haralanov wrote: > >

[PHP] changing the brightness of an images

2003-03-12 Thread Dimitar Haralanov
Hi, I hope this is the right newsgroup for this so if it is not, please, excuse me. I would like to be able to change the brightness of an image using PHP. Here are some more detiails: I would like to load a jpeg file from a webpage, change the brightness of the image, and