Imagick::functionImage
Imagick::gammaImage
The Imagick class
PHP Manual

# Imagick::fxImage

(PECL imagick 2.0.0)

Imagick::fxImage — Evaluate expression for each pixel in the image

### Descrição

Imagick Imagick::fxImage ( string `$expression` [, int `$channel` = Imagick::CHANNEL_ALL ] )
Aviso

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

Evaluate expression for each pixel in the image. Consult » The Fx Special Effects Image Operator for more information.

### Parâmetros

`expression`

  The expression.

`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::functionImage
Imagick::gammaImage
The Imagick class
PHP Manual