Imagick::gaussianBlurImage

(PECL imagick 2, PECL imagick 3)

Imagick::gaussianBlurImageBlurs an image

Descrição

public 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.

Parâmetros

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.

Valor Retornado

Retorna true em caso de sucesso.

Erros/Exceções

Lança uma exceção ImagickException em caso de erro.

Exemplos

Exemplo #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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