ImagickPixel
PHP Manual

ImagickPixel::setHSL

(PECL imagick 2.0.0)

ImagickPixel::setHSLSets the normalized HSL color

Descrizione

bool ImagickPixel::setHSL ( float $hue , float $saturation , float $luminosity )
Avviso

Questa funzione, al momento non è documentata; è disponibile soltanto la lista degli argomenti.

Sets the color described by the ImagickPixel object using normalized values for hue, saturation and luminosity.

Elenco dei parametri

hue

The normalized value for hue, described as a fractional arc (between 0 and 1) of the hue circle, where the zero value is red.

saturation

The normalized value for saturation, with 1 as full saturation.

luminosity

The normalized value for luminosity, on a scale from black at 0 to white at 1, with the full HS value at 0.5 luminosity.

Valori restituiti

Restituisce TRUE in caso di successo.

Note

Nota:

Available with ImageMagick library version 6.2.9 and higher.


ImagickPixel
PHP Manual