PHP 7.0.0 RC 8 Released


(PECL imagick 2.0.0)

Imagick::uniqueImageColorsDiscards all but one of any pixel color


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.


Example #1 Imagick::uniqueImageColors()

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


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