Imagick::swirlImage()
(PECL imagick 2.0.0)
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(); } ?>
<?php $img = new Imagick('blablabla.jpg'); $img->swirlImage ( 20.0 ); header("Content-Type: image/jpeg"); echo $img; ?>