(PECL imagick 2, PECL imagick 3)
Imagick::spreadImage — Randomly displaces each pixel in a block
$radius
) : boolSpecial effects method that randomly displaces each pixel in a block defined by the radius parameter.
radius
成功时返回 true。
错误时抛出 ImagickException。
Example #1 Imagick::spreadImage()
<?php
function spreadImage($imagePath, $radius) {
$imagick = new \Imagick(realpath($imagePath));
$imagick->spreadImage($radius);
header("Content-Type: image/jpg");
echo $imagick->getImageBlob();
}
?>