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

# Imagick::negateImage

(PECL imagick 2.0.0)

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

### Descripción

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

Esta función no está documentada actualmente, solamente se encuentra disponible la lista de parámetros.

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

### Lista de parámetros

`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.

### Valores retornados

Returns `TRUE` on success.

### Errors/Exceptions

Throws ImagickException on error.

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