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Viewing / Editing File: Hsl.php

<?php

namespace Spatie\Color;

class Hsl implements Color
{
    /** @var float */
    protected $hue;
    protected $saturation;
    protected $lightness;

public function __construct(float $hue, float $saturation, float $lightness)
    {
        Validate::hslValue($saturation, 'saturation');
        Validate::hslValue($lightness, 'lightness');

$this->hue = $hue;
        $this->saturation = $saturation;
        $this->lightness = $lightness;
    }

public static function fromString(string $string)
    {
        Validate::hslColorString($string);

$matches = null;

preg_match(HsPatterns::getExtractionPattern('hsl'), $string, $matches);

return new static(
            (float) $matches[1],
            (float) $matches[2],
            (float) $matches[3],
        );
    }

public function hue(): float
    {
        return $this->hue;
    }

public function saturation(): float
    {
        return $this->saturation;
    }

public function lightness(): float
    {
        return $this->lightness;
    }

public function red(): int
    {
        return Convert::hslValueToRgb($this->hue, $this->saturation, $this->lightness)[0];
    }

public function green(): int
    {
        return Convert::hslValueToRgb($this->hue, $this->saturation, $this->lightness)[1];
    }

public function blue(): int
    {
        return Convert::hslValueToRgb($this->hue, $this->saturation, $this->lightness)[2];
    }

public function toCIELab(): CIELab
    {
        return $this->toRgb()->toCIELab();
    }

public function toCmyk(): Cmyk
    {
        return $this->toRgb()->toCmyk();
    }

public function toHex(?string $alpha = null): Hex
    {
        return $this->toRgb()->toHex($alpha ?? 'ff');
    }

public function toHsb(): Hsb
    {
        return $this->toRgb()->toHsb();
    }

public function toHsl(): self
    {
        return new self($this->hue(), $this->saturation(), $this->lightness());
    }

public function toHsla(?float $alpha = null): Hsla
    {
        return new Hsla($this->hue(), $this->saturation(), $this->lightness(), $alpha ?? 1);
    }

public function toRgb(): Rgb
    {
        return new Rgb($this->red(), $this->green(), $this->blue());
    }

public function toRgba(?float $alpha = null): Rgba
    {
        return new Rgba($this->red(), $this->green(), $this->blue(), $alpha ?? 1);
    }

public function toXyz(): Xyz
    {
        return $this->toRgb()->toXyz();
    }

public function __toString(): string
    {
        $hue = round($this->hue);
        $saturation = round($this->saturation);
        $lightness = round($this->lightness);

return "hsl({$hue},{$saturation}%,{$lightness}%)";
    }
}

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