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

### Descrição

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

Esta função não está documentada; somente a lista de argumentos está disponível.

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

### Parâmetros

`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. Refer to this list of channel constants.

### Valor Retornado

Retorna `TRUE` em sucesso.

### Erros

Dispara ImagickException em erro.

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