Imagick::gaussianBlurImage

(PECL imagick 2.0.0)

Imagick::gaussianBlurImageBlurs an image

Opis

Imagick::gaussianBlurImage ( float $radius , float $sigma [, int $channel = Imagick::CHANNEL_DEFAULT ] ) : bool

Blurs an image. We convolve the image with a Gaussian operator of the given radius and standard deviation (sigma). For reasonable results, the radius should be larger than sigma. Use a radius of 0 and selects a suitable radius for you.

Parametry

radius

The radius of the Gaussian, in pixels, not counting the center pixel.

sigma

The standard deviation of the Gaussian, in pixels.

channel

Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channeltype constants using bitwise operators. Refer to this list of channel constants.

Zwracane wartości

Zwraca TRUE w przypadku sukcesu.

Błędy/Wyjątki

Zgłasza wyjątek ImagickException w przypadku błędu.

Przykłady

Przykład #1 Imagick::gaussianBlurImage()

<?php
function gaussianBlurImage($imagePath$radius$sigma$channel) {
    
$imagick = new \Imagick(realpath($imagePath));
    
$imagick->gaussianBlurImage($radius$sigma$channel);
    
header("Content-Type: image/jpg");
    echo 
$imagick->getImageBlob();
}

?>

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