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();
}
?>
