Imagick::swirlImage

(PECL imagick 2.0.0)

Imagick::swirlImage — Swirls the pixels about the center of the image

说明

Imagick::swirlImage ( float $degrees ) : bool

Swirls the pixels about the center of the image, where degrees indicates the sweep of the arc through which each pixel is moved. You get a more dramatic effect as the degrees move from 1 to 360.

参数

degrees

返回值

成功时返回 TRUE。

错误／异常

错误时抛出 ImagickException。

范例

Example #1 Imagick::swirlImage()


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

?>