Php/docs/imagick.swirlimage

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Imagick::swirlImage

(PECL imagick 2, PECL imagick 3)

Imagick::swirlImageSwirls 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()

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