Imagick::contrastImage
(no version information, might be only in CVS)
Imagick::contrastImage -- Change the contrast of the image
Description
bool
Imagick::contrastImage ( bool sharpen )
| Warning |
This function is
currently not documented; only the argument list is
available. |
| Warning |
This function is
EXPERIMENTAL. The behaviour of this function, the
name of this function, and anything else documented about this
function may change without notice in a future release of PHP.
Use this function at your own risk. |
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.
Return Values
Returns TRUE on success.
