Imagick::contrastImage
Imagick::contrastImage
(PECL imagick 2.0.0)
Imagick::contrastImage — Change the contrast of the image
Description
bool Imagick::contrastImage ( bool $sharpen )
Enhances the intensity differences between the lighter and darker elements of the image. Set sharpen to a value other than 0 to increase the image contrast otherwise the contrast is reduced.
Parameters
-
sharpen
-
The sharpen value