Imagick::separateImageChannel
Imagick::setBackgroundColor
The Imagick class
PHP Manual

# Imagick::sepiaToneImage

(PECL imagick 2.0.0)

Imagick::sepiaToneImage — Sepia tones an image

### 설명

bool Imagick::sepiaToneImage ( float `$threshold` )
Warning

이 함수는 현재 문서화 되어있지 않습니다; 인수 목록만을 제공합니다.

Applies a special effect to the image, similar to the effect achieved in a photo darkroom by sepia toning. Threshold ranges from 0 to QuantumRange and is a measure of the extent of the sepia toning. A threshold of 80 is a good starting point for a reasonable tone.

### 인수

`threshold`

### 반환값

성공시에 `TRUE`를 반환합니다.

### 오류/예외

오류시에 ImagickException이 발생합니다.

Imagick::separateImageChannel
Imagick::setBackgroundColor
The Imagick class
PHP Manual