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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