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
] )
WarningThis function is
currently not documented; only its argument list is available.
Adaptively sharpen the image by sharpening more intensely
near image edges and less intensely far from edges.
Parameters
-
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.
Return Values
Returns TRUE on success.
Examples
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;
?>
Imagick::adaptiveResizeImage
