GoLang Imagick::uniqueImageColors

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PHP Imagick::uniqueImageColors

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

Imagick::uniqueImageColors

(PECL imagick 2.0.0)

Imagick::uniqueImageColorsDiscards all but one of any pixel color

Description

bool Imagick::uniqueImageColors ( void )

Discards all but one of any pixel color. This method is available if Imagick has been compiled against ImageMagick version 6.2.9 or newer.

Return Values

Returns TRUE on success.

Examples

Example #1 Imagick::uniqueImageColors()

<?php
function uniqueImageColors($imagePath) {
    
$imagick = new \Imagick(realpath($imagePath));
    
//Reduce the image to 256 colours nicely.
    
$imagick->quantizeImage(256, \Imagick::COLORSPACE_YIQ0falsefalse);
    
$imagick->uniqueImageColors();
    
$imagick->scaleimage($imagick->getImageWidth(), $imagick->getImageHeight() * 20);
    
header("Content-Type: image/png");
    echo 
$imagick->getImageBlob();
}

?>