Imagick::contrastStretchImage
Imagick::cropImage
Imagick
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 ] )

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. Refer to this list of channel constants.

### Valor Retornado

Returns `TRUE` on success.

### Erros

Throws ImagickException on error.

Imagick::contrastStretchImage
Imagick::cropImage
Imagick
PHP Manual