Imagick Image Library
PHP Manual

Imagick::negateImage

(No version information available, might be only in CVS)

Imagick::negateImage — Negates the colors in the reference image

Description

bool Imagick::negateImage ( bool $gray [, int $channel ] )
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.

Negates the colors in the reference image. The Grayscale option means that only grayscale values within the image are negated.

Parameters

gray

channel

Return Values

Returns TRUE on success.


Imagick Image Library
PHP Manual