PHP 7.2.0 Release Candidate 4 Released

Imagick::quantizeImage

(PECL imagick 2.0.0)

Imagick::quantizeImageAnalyzes the colors within a reference image

说明

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

参数

numberColors

colorspace

treedepth

dither

measureError

返回值

成功时返回 TRUE

错误/异常

错误时抛出 ImagickException。

范例

Example #1 Imagick::quantizeImage()

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

?>

add a note add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top