PHP-Image - Using GD in PHP (Help!)
Posted: Fri Jan 04, 2008 5:13 pm
I have an image, greyscale.
I want to convert everything that is *NOT* white to black.
How can I do this? Is there such a function that exists to convert a greyscale image to 100% black or 100% white ?
I want to convert everything that is *NOT* white to black.
How can I do this? Is there such a function that exists to convert a greyscale image to 100% black or 100% white ?