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Imagick::blurImage

(PECL imagick 2.0.0)

Imagick::blurImageAdds blur filter to image

说明

bool Imagick::blurImage ( float $radius , float $sigma [, int $channel ] )

Adds blur filter to image. Optional third parameter to blur a specific channel.

参数

radius

Blur radius

sigma

Standard deviation

channel

The Channeltype constant. When not supplied, all channels are blurred.

返回值

成功时返回 TRUE

错误/异常

错误时抛出 ImagickException。

范例

Example #1 Using Imagick::blurImage() :

Blur an image, then display to the browser.

<?php

header
( 'Content-type: image/jpeg' );

$image  = new  Imagick ( 'test.jpg' );

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

?>

参见

  • Imagick::adaptiveBlurImage() - Adds adaptive blur filter to image
  • Imagick::motionBlurImage() - Simulates motion blur
  • Imagick::radialBlurImage() - Radial blurs an image
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