Imagick
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Imagick::adaptiveBlurImage

(PECL imagick 2.0.0)

Imagick::adaptiveBlurImageAdds adaptive blur filter to image

Descrizione

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

Adds an adaptive blur filter to image. The intensity of an adaptive blur depends is dramatically decreased at edge of the image, whereas a standard blur is uniform across the image. This method is available if Imagick has been compiled against ImageMagick version 6.2.9 or newer.

Elenco dei parametri

radius

The radius of the Gaussian, in pixels, not counting the center pixel. Provide a value of 0 and the radius will be chosen automagically.

sigma

The standard deviation of the Gaussian, in pixels.

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

Valori restituiti

Restituisce TRUE in caso di successo.

Errori/Eccezioni

Lancia una ImagickException in caso di errore.

Esempi

Example #1 Using Imagick::adaptiveBlurImage():

Adaptively blur an image, then display to the browser.

<?php

header
('Content-type: image/jpeg');

$image = new Imagick('test.jpg');

$image->adaptiveBlurImage(5,3);
echo 
$image;

?>

Il precedente esempio visualizzerĂ  qualcosa simile a:

Output of example : Using Imagick::adaptiveBlurImage()

Vedere anche:


Imagick
PHP Manual