Imagick::separateImageChannelImagick::sepiaToneImage
(PECL imagick 2.0.0)
Imagick::sepiaToneImage — Sepia tones an image
설명
bool Imagick::sepiaToneImage
( float $threshold
)
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 TRUE를 반환합니다.
오류/예외
오류시에 ImagickException이 발생합니다.
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