Imagick::orderedPosterizeImage
Performs an ordered dither
Beschreibung
bool Imagick::orderedPosterizeImage
( string $threshold_map
[, int $channel = Imagick::CHANNEL_ALL
] )
Parameter-Liste
-
threshold_map
-
A string containing the name of the threshold dither map to use
-
channel
-
Provide any channel constant that is valid for your channel mode. To
apply to more than one channel, combine channeltype constants using
bitwise operators. Refer to this
list of channel constants.
Rückgabewerte
Liefert TRUE bei Erfolg.
Fehler/Exceptions
Wirft ImagickException bei Fehlern.
Beispiele
Beispiel #1 Imagick::orderedPosterizeImage
<?php
function orderedPosterizeImage($imagePath, $orderedPosterizeType) {
$imagick = new \Imagick(realpath($imagePath));
$imagick->orderedPosterizeImage($orderedPosterizeType);
$imagick->setImageFormat('png');
header("Content-Type: image/png");
echo $imagick->getImageBlob();
}
//orderedPosterizeImage($imagePath, 'o4x4,3,3');
//orderedPosterizeImage($imagePath, 'o8x8,6,6');
orderedPosterizeImage($imagePath, 'h8x8a');
?>