/home/kueuepay/www/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Worksheet/Drawing/Shadow.php
<?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';

    /**
     * Visible.
     *
     * @var bool
     */
    private $visible;

    /**
     * Blur radius.
     *
     * Defaults to 6
     *
     * @var int
     */
    private $blurRadius;

    /**
     * Shadow distance.
     *
     * Defaults to 2
     *
     * @var int
     */
    private $distance;

    /**
     * Shadow direction (in degrees).
     *
     * @var int
     */
    private $direction;

    /**
     * Shadow alignment.
     *
     * @var string
     */
    private $alignment;

    /**
     * Color.
     *
     * @var Color
     */
    private $color;

    /**
     * Alpha.
     *
     * @var int
     */
    private $alpha;

    /**
     * Create a new Shadow.
     */
    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;
    }

    /**
     * Get Visible.
     *
     * @return bool
     */
    public function getVisible()
    {
        return $this->visible;
    }

    /**
     * Set Visible.
     *
     * @param bool $visible
     *
     * @return $this
     */
    public function setVisible($visible)
    {
        $this->visible = $visible;

        return $this;
    }

    /**
     * Get Blur radius.
     *
     * @return int
     */
    public function getBlurRadius()
    {
        return $this->blurRadius;
    }

    /**
     * Set Blur radius.
     *
     * @param int $blurRadius
     *
     * @return $this
     */
    public function setBlurRadius($blurRadius)
    {
        $this->blurRadius = $blurRadius;

        return $this;
    }

    /**
     * Get Shadow distance.
     *
     * @return int
     */
    public function getDistance()
    {
        return $this->distance;
    }

    /**
     * Set Shadow distance.
     *
     * @param int $distance
     *
     * @return $this
     */
    public function setDistance($distance)
    {
        $this->distance = $distance;

        return $this;
    }

    /**
     * Get Shadow direction (in degrees).
     *
     * @return int
     */
    public function getDirection()
    {
        return $this->direction;
    }

    /**
     * Set Shadow direction (in degrees).
     *
     * @param int $direction
     *
     * @return $this
     */
    public function setDirection($direction)
    {
        $this->direction = $direction;

        return $this;
    }

    /**
     * Get Shadow alignment.
     *
     * @return string
     */
    public function getAlignment()
    {
        return $this->alignment;
    }

    /**
     * Set Shadow alignment.
     *
     * @param string $alignment
     *
     * @return $this
     */
    public function setAlignment($alignment)
    {
        $this->alignment = $alignment;

        return $this;
    }

    /**
     * Get Color.
     *
     * @return Color
     */
    public function getColor()
    {
        return $this->color;
    }

    /**
     * Set Color.
     *
     * @return $this
     */
    public function setColor(Color $color)
    {
        $this->color = $color;

        return $this;
    }

    /**
     * Get Alpha.
     *
     * @return int
     */
    public function getAlpha()
    {
        return $this->alpha;
    }

    /**
     * Set Alpha.
     *
     * @param int $alpha
     *
     * @return $this
     */
    public function setAlpha($alpha)
    {
        $this->alpha = $alpha;

        return $this;
    }

    /**
     * Get hash code.
     *
     * @return string Hash code
     */
    public function getHashCode()
    {
        return md5(
            ($this->visible ? 't' : 'f') .
            $this->blurRadius .
            $this->distance .
            $this->direction .
            $this->alignment .
            $this->color->getHashCode() .
            $this->alpha .
            __CLASS__
        );
    }

    /**
     * Implement PHP __clone to create a deep clone, not just a shallow copy.
     */
    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;
            }
        }
    }
}
Best Practice

Best Practices

To ensure a smooth integration process and optimal performance, follow these best practices:

  1. Use secure HTTPS connections for all API requests.
  2. Implement robust error handling to handle potential issues gracefully.
  3. Regularly update your integration to stay current with any API changes or enhancements.