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lib/PhpSpreadsheet/Worksheet/Drawing/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';
+
+    /**
+     * Visible.
+     */
+    private bool $visible;
+
+    /**
+     * Blur radius.
+     *
+     * Defaults to 6
+     */
+    private int $blurRadius;
+
+    /**
+     * Shadow distance.
+     *
+     * Defaults to 2
+     */
+    private int $distance;
+
+    /**
+     * Shadow direction (in degrees).
+     */
+    private int $direction;
+
+    /**
+     * Shadow alignment.
+     */
+    private string $alignment;
+
+    /**
+     * Color.
+     */
+    private Color $color;
+
+    /**
+     * Alpha.
+     */
+    private int $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.
+     */
+    public function getVisible(): bool
+    {
+        return $this->visible;
+    }
+
+    /**
+     * Set Visible.
+     *
+     * @return $this
+     */
+    public function setVisible(bool $visible): static
+    {
+        $this->visible = $visible;
+
+        return $this;
+    }
+
+    /**
+     * Get Blur radius.
+     */
+    public function getBlurRadius(): int
+    {
+        return $this->blurRadius;
+    }
+
+    /**
+     * Set Blur radius.
+     *
+     * @return $this
+     */
+    public function setBlurRadius(int $blurRadius): static
+    {
+        $this->blurRadius = $blurRadius;
+
+        return $this;
+    }
+
+    /**
+     * Get Shadow distance.
+     */
+    public function getDistance(): int
+    {
+        return $this->distance;
+    }
+
+    /**
+     * Set Shadow distance.
+     *
+     * @return $this
+     */
+    public function setDistance(int $distance): static
+    {
+        $this->distance = $distance;
+
+        return $this;
+    }
+
+    /**
+     * Get Shadow direction (in degrees).
+     */
+    public function getDirection(): int
+    {
+        return $this->direction;
+    }
+
+    /**
+     * Set Shadow direction (in degrees).
+     *
+     * @return $this
+     */
+    public function setDirection(int $direction): static
+    {
+        $this->direction = $direction;
+
+        return $this;
+    }
+
+    /**
+     * Get Shadow alignment.
+     */
+    public function getAlignment(): string
+    {
+        return $this->alignment;
+    }
+
+    /**
+     * Set Shadow alignment.
+     *
+     * @return $this
+     */
+    public function setAlignment(string $alignment): static
+    {
+        $this->alignment = $alignment;
+
+        return $this;
+    }
+
+    /**
+     * Get Color.
+     */
+    public function getColor(): Color
+    {
+        return $this->color;
+    }
+
+    /**
+     * Set Color.
+     *
+     * @return $this
+     */
+    public function setColor(Color $color): static
+    {
+        $this->color = $color;
+
+        return $this;
+    }
+
+    /**
+     * Get Alpha.
+     */
+    public function getAlpha(): int
+    {
+        return $this->alpha;
+    }
+
+    /**
+     * Set Alpha.
+     *
+     * @return $this
+     */
+    public function setAlpha(int $alpha): static
+    {
+        $this->alpha = $alpha;
+
+        return $this;
+    }
+
+    /**
+     * Get hash code.
+     *
+     * @return string Hash code
+     */
+    public function getHashCode(): string
+    {
+        return md5(
+            ($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;
+            }
+        }
+    }
+}