Imagick::uniqueImageColors

(PECL imagick 2.0.0)

Imagick::uniqueImageColorsDiscards all but one of any pixel color

Descrição

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.

Valor Retornado

Returns TRUE on success.

Exemplos

Exemplo #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();
}

?>

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