/**
* @dataProvider rgb2hslProvider
* @depends testNormalizeRGBValue
**/
public function testRgb2hsl($r, $g, $b, $aExpected)
{
$aHSL = CSSColorUtils::rgb2hsl($r, $g, $b, $aExpected);
// assertEquals because hsl2rgb returns an array of floats,
// even if they are rounded
$this->assertEquals($aHSL, $aExpected);
}
public function toHSL()
{
$sName = $this->getName();
$aComponents = $this->aComponents;
if (!$sName || $sName == 'hsl') {
return;
}
if ($sName == 'hsla') {
// If we don't need alpha channel, drop it
if ($aComponents['a']->getSize() >= 1) {
unset($this->aComponents['a']);
$this->setName('hsl');
}
return;
}
$aHSL = CSSColorUtils::rgb2hsl($aComponents['r']->getSize(), $aComponents['g']->getSize(), $aComponents['b']->getSize(), isset($aComponents['a']) ? $aComponents['a']->getSize() : 1);
$this->aComponents = array();
$this->aComponents['h'] = new CSSSize($aHSL['h'], null, true);
$this->aComponents['s'] = new CSSSize($aHSL['s'], '%', true);
$this->aComponents['l'] = new CSSSize($aHSL['l'], '%', true);
$sName = 'hsl';
if (isset($aHSL['a'])) {
$this->aComponents['a'] = new CSSSize($aHSL['a'], null, true);
$sName = 'hsla';
}
$this->setName($sName);
return $this;
}
