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

### 설명

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

이 함수는 현재 문서화 되어있지 않습니다; 인수 목록만을 제공합니다.

Applies a custom convolution kernel to the image.

### 인수

`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.

### 반환값

성공시에 `TRUE`를 반환합니다.

### 오류/예외

오류시에 ImagickException이 발생합니다.

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