update : 2015.11.03
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Analyzes the colors within a reference image
Imagick
PHP Manual

Imagick::quantizeImage

(PECL imagick 2.0.0)

Imagick::quantizeImage — Analyzes the colors within a reference image

설명

bool Imagick::quantizeImage ( int $numberColors , int $colorspace , int $treedepth , bool $dither , bool $measureError )

인수

numberColors

colorspace

treedepth

dither

measureError

반환값

성공시에 TRUE를 반환합니다.

오류/예외

오류시에 ImagickException이 발생합니다.

예제

Example #1 Imagick::quantizeImage()

<?php
function quantizeImage($imagePath, $numberColors, $colorSpace, $treeDepth, $dither) {
    $imagick = new \Imagick(realpath($imagePath));
    $imagick->quantizeImage($numberColors, $colorSpace, $treeDepth, $dither, false);
    $imagick->setImageFormat('png');
    header("Content-Type: image/png");
    echo $imagick->getImageBlob();
}

?>

Imagick
PHP Manual