/**
* @covers getBlue
*/
public function testGetAlpha()
{
$color = new ColorNode('#ffffff', '0.5');
$this->assertInstanceOf('ILess\\Node\\DimensionNode', $color->getAlpha());
$this->assertEquals('0.5', (string) $color->getAlpha());
}
/**
* Return a color with a 10 degree larger in hue
*
* @param ColorNode $color
* @param DimensionNode $degrees
* @return ColorNode
*/
public function spin(ColorNode $color, DimensionNode $degrees = null)
{
$degrees = $degrees ? $degrees->value : 10;
$hue = (string) fmod($color->getHue(true) + $degrees, 360);
$hue = $hue < 0 ? 360 + $hue : $hue;
return $this->hsla($hue, $color->getSaturation(true), $color->getLightness(true), $color->getAlpha());
}