Imagick::selectiveBlurImage

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Imagick::selectiveBlurImageDescription

Descrizione

public Imagick::selectiveBlurImage ( float $radius , float $sigma , float $threshold [, int $channel = Imagick::CHANNEL_DEFAULT ] ) : bool

Selectively blur an image within a contrast threshold. It is similar to the unsharpen mask that sharpens everything with contrast above a certain threshold.

Elenco dei parametri

radius

sigma

threshold

channel

Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channel constants using bitwise operators. Per default รจ Imagick::CHANNEL_DEFAULT. Fare riferimento a questa lista di costanti di canale

Valori restituiti

Restituisce TRUE in caso di successo.

Esempi

Example #1 Imagick::selectiveBlurImage()

<?php
function selectiveBlurImage($imagePath$radius$sigma$threshold$channel) {
    
$imagick = new \Imagick(realpath($imagePath));
    
$imagick->selectiveBlurImage($radius$sigma$threshold$channel);
    
header("Content-Type: image/jpg");
    echo 
$imagick->getImageBlob();
}

?>

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