Shadow.php

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<?php
class PHPExcel_Worksheet_Drawing_Shadow implements PHPExcel_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                       = PHPExcel_Worksheet_Drawing_Shadow::SHADOW_BOTTOM_RIGHT;
        $this->_color                           = new PHPExcel_Style_Color(PHPExcel_Style_Color::COLOR_BLACK);
        $this->_alpha                           = 50;
    }

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

    public function setVisible($pValue = false) {
        $this->_visible = $pValue;
        return $this;
    }

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

    public function setBlurRadius($pValue = 6) {
        $this->_blurRadius = $pValue;
        return $this;
    }

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

    public function setDistance($pValue = 2) {
        $this->_distance = $pValue;
        return $this;
    }

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

    public function setDirection($pValue = 0) {
        $this->_direction = $pValue;
        return $this;
    }

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

    public function setAlignment($pValue = 0) {
        $this->_alignment = $pValue;
        return $this;
    }

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

    public function setColor(PHPExcel_Style_Color $pValue = null) {
                $this->_color = $pValue;
                return $this;
    }

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

    public function setAlpha($pValue = 0) {
        $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;
                        }
                }
        }
}