Imagick::selectiveBlurImage

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Imagick::selectiveBlurImageDescription

Опис

public void Imagick::selectiveBlurImage ( float $radius , float $sigma , float $threshold , int $CHANNEL )

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

Параметри

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. Defaults to Imagick::CHANNEL_DEFAULT. Refer to this list of channel constants

Значення, що повертаються

Приклади

Приклад #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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