The ImagickPixel class
PHP Manual

ImagickPixel::setHSL

(PECL imagick 2.0.0)

ImagickPixel::setHSLSets the normalized HSL color

Description

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.

Parameters

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.

Return Values

Returns TRUE on success.

Notes

Note: Available with ImageMagick library version 6.2.9 and higher.


The ImagickPixel class
PHP Manual