/**
* Returns the 'value' channel of @color in the HSV space
*
* @param ILess_Node_Color $color
* @return string
*/
public function hsvvalue(ILess_Node $color)
{
if (!$color instanceof ILess_Node_Color) {
return $color;
}
$hsv = $color->toHSV();
return new ILess_Node_Dimension(ILess_Math::round($hsv['v'] * 100), '%');
}
/**
* Returns the string representation in ARGB model
*
* @return string
*/
public function toARGB()
{
$argb = array_merge(array(ILess_Math::clean(ILess_Math::round($this->alpha * 256))), $this->rgb);
$result = '';
foreach ($argb as $i) {
$i = ILess_Math::round($i);
$i = dechex($i > 255 ? 255 : ($i < 0 ? 0 : $i));
$result .= str_pad($i, 2, '0', STR_PAD_LEFT);
}
return '#' . $result;
}
/**
* Returns the luma
*
* @param boolean $raw Return raw value?
* @return mixed ILess_Node_Dimension if $raw is false
*/
public function getLuma($raw = false)
{
return $raw ? $this->color->getLuma() : new ILess_Node_Dimension(ILess_Math::clean(ILess_Math::multiply(ILess_Math::round(ILess_Math::multiply($this->color->getLuma(), $this->color->getAlpha()), 2), 100)), '%');
}
/**
* @covers round
* @dataProvider getDataForRoundTest
*/
public function testRound($value, $precision, $expected)
{
$this->assertEquals($expected, ILess_Math::round($value, $precision), sprintf('Rounding of "%s" with precision "%s" works', $value, $precision));
}