/**
* @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, $aExpected);
}
private function parseIdentifier($bAllowFunctions = false, $bAllowColors = false)
{
$sResult = $this->parseCharacter(true);
if ($sResult === null) {
throw new Exception("Identifier expected, got {$this->peek(5)}");
}
$sCharacter;
while (($sCharacter = $this->parseCharacter(true)) !== null) {
$sResult .= $sCharacter;
}
if ($bAllowColors) {
// is it a color name ?
if ($aColor = CSSColorUtils::namedColor2rgb($sResult)) {
$oColor = new CSSColor();
return $oColor->fromRGB($aColor);
}
}
if ($bAllowFunctions && $this->comes('(')) {
$this->consume('(');
$sResult = new CSSFunction($sResult, $this->parseValue(array('=', ',')));
$this->consume(')');
}
return $sResult;
}
public function getHexValue()
{
$aComponents = $this->aComponents;
if (isset($aComponents['a']) && $aComponents['a']->getSize() !== 1) {
return null;
}
$sName = $this->getName();
if ($sName == 'rgb') {
return CSSColorUtils::rgb2hex($aComponents['r']->getSize(), $aComponents['g']->getSize(), $aComponents['b']->getSize());
} else {
if ($sName == 'hsl') {
return CSSColorUtils::hsl2hex($aComponents['h']->getSize(), $aComponents['s']->getSize(), $aComponents['l']->getSize());
}
}
}