Imagick::adaptiveResizeImageImagick::adaptiveSharpenImage
(No version information available, might be only in CVS)
Imagick::adaptiveSharpenImage — Adaptively sharpen the image
Descripción
Esta función no está documentada actualmente, solamente se encuentra disponible la lista de parámetros.
Adaptively sharpen the image by sharpening more intensely near image edges and less intensely far from edges.
Lista de parámetros
- 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.
Valores retornados
Returns TRUE on success.
Ejemplos
Example #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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