文字
Imagick::swirlImage
(PECL imagick 2.0.0)
Imagick::swirlImage — Swirls the pixels about the center of the image
说明
bool Imagick::swirlImage
( float
$degrees
)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 ();
}
?> 用户评论:
[#1] Anonymous [2009-11-05 20:47:34]
<?php
$img = new Imagick('blablabla.jpg');
$img->swirlImage ( 20.0 );
header("Content-Type: image/jpeg");
echo $img;
?>