php / 8.1.5 / imagick.quantizeimage.html /

Imagick::quantizeImage

(PECL imagick 2, PECL imagick 3)

Imagick::quantizeImageAnalyzes the colors within a reference image

Description

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

Parameters

numberColors
colorspace
treedepth
dither
measureError

Return Values

Returns true on success.

Errors/Exceptions

Throws ImagickException on error.

Examples

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();
}

?>

© 1997–2021 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/imagick.quantizeimage.php