Imagick::selectiveBlurImage
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Imagick::selectiveBlurImage — Description
Descrição
public void Imagick::selectiveBlurImage
( float
$radius
, float $sigma
, float $threshold
, int $CHANNEL
)Selectively blur an image within a contrast threshold. It is similar to the unsharpen mask that sharpens everything with contrast above a certain threshold.
Parâmetros
-
radius -
-
sigma -
-
threshold -
-
CHANNEL -
Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channel constants using bitwise operators. Defaults to
Imagick::CHANNEL_DEFAULT. Refer to this list of channel constants
Valor Retornado
Exemplos
Example #1 Imagick::selectiveBlurImage()
<?php
function selectiveBlurImage($imagePath, $radius, $sigma, $threshold, $channel) {
$imagick = new \Imagick(realpath($imagePath));
$imagick->selectiveBlurImage($radius, $sigma, $threshold, $channel);
header("Content-Type: image/jpg");
echo $imagick->getImageBlob();
}
?>