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