PHP 7.2.7 Released


(PECL imagick 2.0.0)

Imagick::negateImageNegates the colors in the reference image


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

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

Elenco dei parametri


Whether to only negate grayscale pixels within the image.


Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channeltype constants using bitwise operators. Refer to this list of channel constants.

Valori restituiti

Restituisce TRUE in caso di successo.


Lancia una ImagickException in caso di errore.

add a note add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top