Imagick::contrastStretchImage
Imagick::cropImage
The Imagick class
PHP Manual

# Imagick::convolveImage

(PECL imagick 2.0.0)

Imagick::convolveImage — Applies a custom convolution kernel to the image

### Descrição

bool Imagick::convolveImage ( array `$kernel` [, int `$channel`= Imagick::CHANNEL_ALL ] )
Aviso

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

Applies a custom convolution kernel to the image.

### Parâmetros

`kernel`

  The convolution kernel

`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.

### Valor Retornado

Retorna `TRUE` em sucesso.

### Erros

Dispara ImagickException em erro.

Imagick::contrastStretchImage
Imagick::cropImage
The Imagick class
PHP Manual