View Full Version : Change image saturation - GD2 or ImageMagick

01-30-2007, 10:26 AM
I'm doing some work involving combining PNGs and other various image manipulation functions and all is going well, except for one thing -- saturation.
imagefilter() has just about everything OTHER than saturation and multiple searches haven't turned anything up. I need to be able to both increase and decrease saturation of a provided image.

Has anyone managed this before? Got some code you can point me to?


01-31-2007, 03:03 AM
The solution to this is to use the -modulate flag with ImageMagick.

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