Imagick::selectiveBlurImage
(PECL imagick 3 >= 3.3.0)
Imagick::selectiveBlurImage — Description
Descrição
public Imagick::selectiveBlurImage
( float
$radius
, float $sigma
, float $threshold
, int $channel = Imagick::CHANNEL_DEFAULT
) : boolSelectively blur an image within a contrast threshold. It is similar to the unsharpen mask that sharpens everything with contrast above a certain threshold.
Parâmetros
-
radius -
-
sigma -
-
threshold -
-
channel -
Informa qualquer constante de canal válida no modo do canal. Para mais de um canal, combine as constantes de canal utilizando operações bitwise. O padrão é
Imagick::CHANNEL_DEFAULT. Veja nessa lista de constantes de canal
Valor Retornado
Retorna true no sucesso.
Exemplos
Exemplo #1 Imagick::selectiveBlurImage()
<?php
function selectiveBlurImage($imagePath, $radius, $sigma, $threshold, $channel) {
$imagick = new \Imagick(realpath($imagePath));
$imagick->selectiveBlurImage($radius, $sigma, $threshold, $channel);
header("Content-Type: image/jpg");
echo $imagick->getImageBlob();
}
?>
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