php教程

Imagick::spreadImage

(PECL imagick 2.0.0)

Imagick::spreadImageRandomly displaces each pixel in a block

说明

Imagick::spreadImage ( float $radius ) : bool

Special effects method that randomly displaces each pixel in a block defined by the radius parameter.

参数

radius

返回值

成功时返回 TRUE

错误/异常

错误时抛出 ImagickException。

范例

Example #1 Imagick::spreadImage()

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

?>

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