The Imagick class
PHP Manual

Imagick::adaptiveBlurImage

(PECL imagick 2.0.0)

Imagick::adaptiveBlurImageAdds adaptive blur filter to image

Описание

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

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.

Параметри

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 channeltype constants using bitwise operators. Defaults to Imagick::CHANNEL_ALL. Refer to this list of channel constants.

Връщани стойности

Връща TRUE при успех.

Грешки/Изключения

Хвърля ImagickException при грешка.

Примери

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;

?>

Вж. също


The Imagick class
PHP Manual