Imagick::blurImage
(PECL imagick 2, PECL imagick 3)
Imagick::blurImage — Adds blur filter to image
说明
public Imagick::blurImage(float
$radius, float $sigma, int $channel = ?): boolAdds blur filter to image. Optional third parameter to blur a specific channel.
参数
-
radius -
Blur radius
-
sigma -
Standard deviation
-
channel -
The Channeltype constant. When not supplied, all channels are blurred.
返回值
成功时返回 true。
错误／异常
错误时抛出 ImagickException。
范例
示例 #1 Using Imagick::blurImage():
Blur an image, then display to the browser.
<?php
header('Content-type: image/jpeg');
$image = new Imagick('test.jpg');
$image->blurImage(5,3);
echo $image;
?>
参见
- Imagick::adaptiveBlurImage() - Adds adaptive blur filter to image
- Imagick::motionBlurImage() - Simulates motion blur
- Imagick::radialBlurImage() - Radial blurs an image
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