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Current File : /home/graphicd/www/vebto/vendor/spatie/color/src/Hsla.php

<?php

namespace Spatie\Color;

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

    public function __construct(float $hue, float $saturation, float $lightness, float $alpha = 1.0)
    {
        Validate::hslValue($saturation, 'saturation');
        Validate::hslValue($lightness, 'lightness');
        Validate::alphaChannelValue($alpha);

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

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

        $matches = null;
        preg_match('/hsla\( *(\d{1,3}) *, *(\d{1,3})%? *, *(\d{1,3})%? *, *([0-1](\.\d{1,2})?) *\)/i', $string, $matches);

        return new static($matches[1], $matches[2], $matches[3], $matches[4]);
    }

    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 alpha(): float
    {
        return $this->alpha;
    }

    public function contrast(): self
    {
        return Contrast::make($this->toHex())->toHsla($this->alpha());
    }

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

    public function toHex(): Hex
    {
        return new Hex(
            Convert::rgbChannelToHexChannel($this->red()),
            Convert::rgbChannelToHexChannel($this->green()),
            Convert::rgbChannelToHexChannel($this->blue())
        );
    }

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

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

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

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

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

    public function __toString(): string
    {
        $hue = round($this->hue);
        $saturation = round($this->saturation);
        $lightness = round($this->lightness);
        $alpha = round($this->alpha, 2);

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

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