Imagick::motionBlurImage
Imagick::newImage
The Imagick class
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` ] )
Avertissement

Cette fonction n'est pas documentée et seule la liste des arguments est disponible.

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

### Liste de paramètres

`gray`

  Whether to only negate grayscale pixels within the image.

`channel`

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

### Valeurs de retour

Returns `TRUE` on success.

### Erreurs / Exceptions

Throws ImagickException on error.

Imagick::motionBlurImage
Imagick::newImage
The Imagick class
PHP Manual