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ImagickPixel::setHSL

(PECL imagick 2.0.0)

ImagickPixel::setHSL — Sets the normalized HSL color

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

Warning

This function is currently not documented; only its argument list is available.

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

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.

Returns TRUE on success.

Note:
Available with ImageMagick library version 6.2.9 and higher.