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Imagick::adaptiveThresholdImage> <Imagick::adaptiveResizeImage
Last updated: Fri, 09 May 2008

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Imagick::adaptiveSharpenImage

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

Imagick::adaptiveSharpenImage — Adaptively sharpen the image

Описание

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



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