public function testRgbToHsl()
{
$tests = ['#FEF888' => [57, 98, 76], '#19CB97' => [162, 78, 45], '#362698' => [248, 60, 37], '#FFFFFF' => [0, 0, 100], '#000000' => [0, 0, 0]];
foreach ($tests as $rgb => $values) {
$c = \Colourist\Colour::fromHex($rgb)->toHsl();
$this->assertSame($values[0], $c->hue());
$this->assertSame($values[1], $c->saturation());
$this->assertSame($values[2], $c->lightness());
}
}
/**
* Create a new RGB from the given red, green and blue channels.
*
* @param float $hue
* Hue is a value between 0 and 360 representing the hue of this colour. If
* a number outside this range is provided it will be wrapped to fit inside
* this range.
* @param float $saturation
* Saturation of this colour.
* @param float $lightness
* Lightness of this colour.
* @param Colour $original
* A colour that this was transformed from.
*/
public function __construct($hue, $saturation, $lightness, Colour $original = NULL)
{
v::numeric()->assert($hue);
Colour::validatePercentage($saturation);
Colour::validatePercentage($lightness);
$this->hue = self::bcfmod($hue, 360, self::$bcscale);
if ($this->hue < 0) {
$this->hue = bcadd($this->hue, 360, self::$bcscale);
}
$this->saturation = bcdiv($saturation, 100, self::$bcscale);
$this->lightness = bcdiv($lightness, 100, self::$bcscale);
$this->chroma = bcmul($this->saturation, bcsub(1, abs(bcmul(2, $this->lightness, self::$bcscale) - 1), self::$bcscale), self::$bcscale);
$this->hsl = $this;
if (isset($original)) {
$this->rgb = $original->rgb;
$this->hsb = $original->hsb;
}
}
/**
* @expectedException \Respect\Validation\Exceptions\AllOfException
*/
public function testFromHexBadCode()
{
\Colourist\Colour::fromHex('oops, this is bad');
}