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(PECL imagick 2, PECL imagick 3)
Imagick::swirlImage — Swirls the pixels about the center of the image
$degrees): bool
Swirls the pixels about the center of the image, where degrees indicates the sweep of the arc through which each pixel is moved. You get a more dramatic effect as the degrees move from 1 to 360.
degrees
成功时返回 true。
错误时抛出 ImagickException。
示例 #1 Imagick::swirlImage()
<?php
function swirlImage($imagePath, $swirl) {
$imagick = new \Imagick(realpath($imagePath));
$imagick->swirlImage($swirl);
header("Content-Type: image/jpg");
echo $imagick->getImageBlob();
}
?>
