Imagick::orderedPosterizeImage
(PECL imagick 2 >= 2.2.2, PECL imagick 3)
Imagick::orderedPosterizeImage — Performs an ordered dither
WarningThis function has been DEPRECATED as of Imagick 3.4.4. Relying on this function is highly discouraged.
Description
public function Imagick::orderedPosterizeImage(
string $threshold_map,
int $channel = Imagick::CHANNEL_DEFAULT):
bool
Parameters
threshold_map-
A string containing the name of the threshold dither map to use
channel-
Provide any channel constant that is valid for your channel mode. To
apply to more than one channel, combine channeltype constants using
bitwise operators. Refer to this
list of channel constants.
Return Values
Returns true on success.
Errors/Exceptions
Throws ImagickException on error.
Examples
Example #1 Imagick::orderedPosterizeImage()
<?php
function orderedPosterizeImage($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');
?>
Imagick::optimizeImageLayers
Imagick