Imagick::sharpenImage
(PECL imagick 2.0.0)
Imagick::sharpenImage — Sharpens an image
Description
bool Imagick::sharpenImage ( float $radius , float $sigma [, int $channel = Imagick::CHANNEL_ALL ] )
Sharpens an image. We convolve the image with a Gaussian operator of the given radius and standard deviation (sigma). For reasonable results, the radius should be larger than sigma. Use a radius of 0 and Imagick::sharpenImage() selects a suitable radius for you.
Parameters
radius
sigma
channel
Return Values
Returns TRUE
on success.
Examples
Example #1 Imagick::sharpenImage()
<?php
function?sharpenImage($imagePath,?$radius,?$sigma,?$channel)?{
????$imagick?=?new?\Imagick(realpath($imagePath));
????$imagick->sharpenimage($radius,?$sigma,?$channel);
????header("Content-Type:?image/jpg");
????echo?$imagick->getImageBlob();
}
?>
← Imagick::shadowImage
Imagick::shaveImage →
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Licensed under the Creative Commons Attribution License v3.0 or later.
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