Imagick::adaptiveResizeImage
Imagick::adaptiveThresholdImage
The Imagick class
PHP Manual

# Imagick::adaptiveSharpenImage

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

Imagick::adaptiveSharpenImage — Adaptively 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;
?>`

### Voir aussi

- Imagick::sharpenImage()

Imagick::adaptiveResizeImage
Imagick::adaptiveThresholdImage
The Imagick class
PHP Manual