Imagick::blurImage()
(PECL imagick 2.0.0)
Adds blur filter to image
说明
Imagick::blurImage(float $radius,float $sigma[,int $channel]): bool
Adds 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
Example #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