Imagick::adaptiveResizeImageImagick::adaptiveSharpenImage
(No version information available, might be only in CVS)
Imagick::adaptiveSharpenImage — Adaptively sharpen the image
Popis
Táto funkcia nie je momentálne zdokumentovaná; je dostupný len zoznam argumentov.
Táto funkcia je EXPERIMENTÁLNA. Správanie tejto funkcie, názov tejto funkcie a hocičo iné zdokumentované o tejto funkcii sa môže zmeniť bez povšimnutia v budúcom vydaní PHP. Používajte túto funkcii na svoje vlastné riziko.
Adaptively sharpen the image by sharpening more intensely near image edges and less intensely far from edges.
Parametre
- 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.
Vrátené hodnoty
Returns TRUE on success.
Príklady
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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