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Imagick::adaptiveThresholdImage> <Imagick::adaptiveResizeImage
Last updated: Fri, 26 Dec 2008

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Imagick::adaptiveSharpenImage

(No version information available, might be only in CVS)

Imagick::adaptiveSharpenImageAdaptively sharpen the image

Description

bool Imagick::adaptiveSharpenImage ( float $radius , float $sigma [, int $channel ] )
Avertissement

Cette fonction n'est pas documentée et seule la liste des arguments est disponible.

Adaptively sharpen the image by sharpening more intensely near image edges and less intensely far from edges.

Liste de paramètres

radius

The radius of the Gaussian, in pixels, not counting the center pixel. Use 0 for auto-select.

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. Defaults to Imagick::CHANNEL_ALL. Refer to this list of channel constants.

Valeurs de retour

Returns TRUE on success.

Exemples

Exemple #1 A Imagick::adaptiveSharpenImage() example

Adaptively sharpen the image with radius 2 and sigma 1.

<?php
try {
    
$image = new Imagick('image.png');
    
$image->adaptiveSharpenImage(2,1);
} catch(
ImagickException $e) {
    echo 
'Error: ' $e->getMessage();
    die();
}
header('Content-type: image/png');
echo 
$image;
?>



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