Shadow.php

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<?php

namespace PhpOffice\PhpSpreadsheet\Worksheet\Drawing;

use PhpOffice\PhpSpreadsheet\IComparable;
use PhpOffice\PhpSpreadsheet\Style\Color;

class Shadow implements IComparable
{
    // Shadow alignment
    const SHADOW_BOTTOM = 'b';
    const SHADOW_BOTTOM_LEFT = 'bl';
    const SHADOW_BOTTOM_RIGHT = 'br';
    const SHADOW_CENTER = 'ctr';
    const SHADOW_LEFT = 'l';
    const SHADOW_TOP = 't';
    const SHADOW_TOP_LEFT = 'tl';
    const SHADOW_TOP_RIGHT = 'tr';

    private $visible;

    private $blurRadius;

    private $distance;

    private $direction;

    private $alignment;

    private $color;

    private $alpha;

    public function __construct()
    {
        // Initialise values
        $this->visible = false;
        $this->blurRadius = 6;
        $this->distance = 2;
        $this->direction = 0;
        $this->alignment = self::SHADOW_BOTTOM_RIGHT;
        $this->color = new Color(Color::COLOR_BLACK);
        $this->alpha = 50;
    }

    public function getVisible()
    {
        return $this->visible;
    }

    public function setVisible($pValue)
    {
        $this->visible = $pValue;

        return $this;
    }

    public function getBlurRadius()
    {
        return $this->blurRadius;
    }

    public function setBlurRadius($pValue)
    {
        $this->blurRadius = $pValue;

        return $this;
    }

    public function getDistance()
    {
        return $this->distance;
    }

    public function setDistance($pValue)
    {
        $this->distance = $pValue;

        return $this;
    }

    public function getDirection()
    {
        return $this->direction;
    }

    public function setDirection($pValue)
    {
        $this->direction = $pValue;

        return $this;
    }

    public function getAlignment()
    {
        return $this->alignment;
    }

    public function setAlignment($pValue)
    {
        $this->alignment = $pValue;

        return $this;
    }

    public function getColor()
    {
        return $this->color;
    }

    public function setColor(?Color $pValue = null)
    {
        $this->color = $pValue;

        return $this;
    }

    public function getAlpha()
    {
        return $this->alpha;
    }

    public function setAlpha($pValue)
    {
        $this->alpha = $pValue;

        return $this;
    }

    public function getHashCode()
    {
        return md5(
            ($this->visible ? 't' : 'f') .
            $this->blurRadius .
            $this->distance .
            $this->direction .
            $this->alignment .
            $this->color->getHashCode() .
            $this->alpha .
            __CLASS__
        );
    }

    public function __clone()
    {
        $vars = get_object_vars($this);
        foreach ($vars as $key => $value) {
            if (is_object($value)) {
                $this->$key = clone $value;
            } else {
                $this->$key = $value;
            }
        }
    }
}