ImageMagick Imagick::setSamplingFactors

(PECL imagick 2, PECL imagick 3)

Imagick::setSamplingFactors — 이미지 샘플링 요소를 설정합니다.


설명

public Imagick::setSamplingFactors(array $factors): bool

이미지 샘플링 요소를 설정합니다.


매개변수

factors

반환 값

성공하면 true를 반환합니다.


Examples

예제 #1 Imagick::setSamplingFactors()

                  
<?php
function setSamplingFactors($imagePath) {

    $imagePath = "../imagick/images/FineDetail.png";
    $imagick = new \Imagick(realpath($imagePath));
    $imagick->setImageFormat('jpg');
    $imagick->setSamplingFactors(array('2x2', '1x1', '1x1'));

    $compressed = $imagick->getImageBlob();


    $reopen = new \Imagick();
    $reopen->readImageBlob($compressed);

    $reopen->resizeImage(
        $reopen->getImageWidth() * 4,
        $reopen->getImageHeight() * 4,
        \Imagick::FILTER_POINT,
        1
    );

    header("Content-Type: image/jpg");
    echo $reopen->getImageBlob();
}

?>