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

# Imagick::adaptiveSharpenImage

(PECL imagick 2.0.0)

Imagick::adaptiveSharpenImage — Adaptively sharpen the image

### Описание

bool Imagick::adaptiveSharpenImage ( float `$radius` , float `$sigma` [, int `$channel`= Imagick::CHANNEL_ALL ] )
Внимание

К настоящему времени эта функция еще не была документирована; для ознакомления доступен только список аргументов.

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

### Список параметров

`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.

### Возвращаемые значения

Returns `TRUE` on success.

### Примеры

Пример #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;
?>`

### Смотрите также

- Imagick::sharpenImage() - Sharpens an image

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