Imagick::adaptiveBlurImage
(No version information available, might be only in CVS)
Imagick::adaptiveBlurImage — Adds adaptive blur filter to image
Description
Deze functie is EXPERIMENTEEL. Dat betekent, dat het gedrag van deze functie, deze functienaam, in concreto ALLES dat hier gedocumenteerd is in een toekomstige uitgave van PHP ZONDER WAARSCHUWING kan veranderen. Wees gewaarschuwd, en gebruik deze functie op eigen risico.
Adds an adaptive blur filter to image. The intensity of an adaptive blur depends is dramatically decreased at edge of the image, whereas a standard blur is uniform across the image.
Parameters
- radius
-
The radius of the Gaussian, in pixels, not counting the center pixel. Provide a value of 0 and the radius will be chosen automagically.
- 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.
Errors/Exceptions
Throws ImagickException on error.
Voorbeelden
Example#1 Using Imagick::adaptiveBlurImage():
Adaptively blur an image, then display to the browser.
<?php
header('Content-type: image/jpeg');
$image = new Imagick('test.jpg');
$image->adaptiveBlurImage(5,3);
echo $image;
?>