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Imagick::contrastStretchImage> <Imagick::__construct
Last updated: Fri, 18 Jul 2008

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Imagick::contrastImage

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

Imagick::contrastImage — Change the contrast of the image

Descrizione

bool Imagick::contrastImage ( bool $sharpen )
Avviso

Questa funzione, al momento non è documentata; è disponibile soltanto la lista degli argomenti.

Enhances the intensity differences between the lighter and darker elements of the image. Set sharpen to a value other than 0 to increase the image contrast otherwise the contrast is reduced.

Elenco dei parametri

sharpen

The sharpen value

Valori restituiti

Restituisce TRUE in caso di successo.

Errori/Eccezioni

Lancia una ImagickException in caso di errore.



add a note add a note User Contributed Notes
Imagick::contrastImage
goekar at msn dot com
08-Aug-2007 05:33
<?
$image = new Imagick('test.jpg'); // open image file
$image->contrastImage(9); // 0 - 9
$image->writeImage('test2.jpg'); //save image
?>

Imagick::contrastStretchImage> <Imagick::__construct
Last updated: Fri, 18 Jul 2008
 
 
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