Imagick::uniqueImageColors
(PECL imagick 2.0.0)
Imagick::uniqueImageColors — Discards 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
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_YIQ, 0, false, false);
$imagick->uniqueImageColors();
$imagick->scaleimage($imagick->getImageWidth(), $imagick->getImageHeight() * 20);
header("Content-Type: image/png");
echo $imagick->getImageBlob();
}
?>