GoLang Imagick::orderedPosterizeImage

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PHP Imagick::orderedPosterizeImage

PHP original manual for Imagick::orderedPosterizeImage [ show | php.net ]

Imagick::orderedPosterizeImage

(PECL imagick 2.2.2)

Imagick::orderedPosterizeImagePerforms an ordered dither

Description

bool Imagick::orderedPosterizeImage ( string $threshold_map [, int $channel = Imagick::CHANNEL_DEFAULT ] )

Performs an ordered dither based on a number of pre-defined dithering threshold maps, but over multiple intensity levels, which can be different for different channels, according to the input arguments. This method is available if Imagick has been compiled against ImageMagick version 6.3.1 or newer.

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');





?>