Imagick::swirlImage

(PECL imagick 2, PECL imagick 3)

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。

示例

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();
}

?>

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User Contributed Notes 1 note

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Anonymous ¶

14 years ago

<?php

$img = new Imagick('blablabla.jpg');
$img->swirlImage ( 20.0 );
header("Content-Type: image/jpeg");
echo $img;

?>

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