BaseDrawing.php

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<?php
class PHPExcel_Worksheet_BaseDrawing implements PHPExcel_IComparable
{
        private static $_imageCounter = 0;

        private $_imageIndex = 0;

        protected $_name;

        protected $_description;

        protected $_worksheet;

        protected $_coordinates;

        protected $_offsetX;

        protected $_offsetY;

        protected $_width;

        protected $_height;

        protected $_resizeProportional;

        protected $_rotation;

        protected $_shadow;

    public function __construct()
    {
        // Initialise values
        $this->_name                            = '';
        $this->_description                     = '';
        $this->_worksheet                       = null;
        $this->_coordinates                     = 'A1';
        $this->_offsetX                         = 0;
        $this->_offsetY                         = 0;
        $this->_width                           = 0;
        $this->_height                          = 0;
        $this->_resizeProportional      = true;
        $this->_rotation                        = 0;
        $this->_shadow                          = new PHPExcel_Worksheet_Drawing_Shadow();

                // Set image index
                self::$_imageCounter++;
                $this->_imageIndex                      = self::$_imageCounter;
    }

    public function getImageIndex() {
        return $this->_imageIndex;
    }

    public function getName() {
        return $this->_name;
    }

    public function setName($pValue = '') {
        $this->_name = $pValue;
        return $this;
    }

    public function getDescription() {
        return $this->_description;
    }

    public function setDescription($pValue = '') {
        $this->_description = $pValue;
        return $this;
    }

    public function getWorksheet() {
        return $this->_worksheet;
    }

    public function setWorksheet(PHPExcel_Worksheet $pValue = null, $pOverrideOld = false) {
        if (is_null($this->_worksheet)) {
                // Add drawing to PHPExcel_Worksheet
                $this->_worksheet = $pValue;
                $this->_worksheet->getCell($this->_coordinates);
                $this->_worksheet->getDrawingCollection()->append($this);
        } else {
                if ($pOverrideOld) {
                        // Remove drawing from old PHPExcel_Worksheet
                        $iterator = $this->_worksheet->getDrawingCollection()->getIterator();

                        while ($iterator->valid()) {
                                if ($iterator->current()->getHashCode() == $this->getHashCode()) {
                                        $this->_worksheet->getDrawingCollection()->offsetUnset( $iterator->key() );
                                        $this->_worksheet = null;
                                        break;
                                }
                        }

                        // Set new PHPExcel_Worksheet
                        $this->setWorksheet($pValue);
                } else {
                        throw new Exception("A PHPExcel_Worksheet has already been assigned. Drawings can only exist on one PHPExcel_Worksheet.");
                }
        }
        return $this;
    }

    public function getCoordinates() {
        return $this->_coordinates;
    }

    public function setCoordinates($pValue = 'A1') {
        $this->_coordinates = $pValue;
        return $this;
    }

    public function getOffsetX() {
        return $this->_offsetX;
    }

    public function setOffsetX($pValue = 0) {
        $this->_offsetX = $pValue;
        return $this;
    }

    public function getOffsetY() {
        return $this->_offsetY;
    }

    public function setOffsetY($pValue = 0) {
        $this->_offsetY = $pValue;
        return $this;
    }

    public function getWidth() {
        return $this->_width;
    }

    public function setWidth($pValue = 0) {
        // Resize proportional?
        if ($this->_resizeProportional && $pValue != 0) {
                $ratio = $this->_height / $this->_width;
                $this->_height = round($ratio * $pValue);
        }

        // Set width
        $this->_width = $pValue;

        return $this;
    }

    public function getHeight() {
        return $this->_height;
    }

    public function setHeight($pValue = 0) {
        // Resize proportional?
        if ($this->_resizeProportional && $pValue != 0) {
                $ratio = $this->_width / $this->_height;
                $this->_width = round($ratio * $pValue);
        }

        // Set height
        $this->_height = $pValue;

        return $this;
    }

        public function setWidthAndHeight($width = 0, $height = 0) {
                $xratio = $width / $this->_width;
                $yratio = $height / $this->_height;
                if ($this->_resizeProportional && !($width == 0 || $height == 0)) {
                        if (($xratio * $this->_height) < $height) {
                                $this->_height = ceil($xratio * $this->_height);
                                $this->_width  = $width;
                        } else {
                                $this->_width   = ceil($yratio * $this->_width);
                                $this->_height  = $height;
                        }
                }
                return $this;
        }

    public function getResizeProportional() {
        return $this->_resizeProportional;
    }

    public function setResizeProportional($pValue = true) {
        $this->_resizeProportional = $pValue;
        return $this;
    }

    public function getRotation() {
        return $this->_rotation;
    }

    public function setRotation($pValue = 0) {
        $this->_rotation = $pValue;
        return $this;
    }

    public function getShadow() {
        return $this->_shadow;
    }

    public function setShadow(PHPExcel_Worksheet_Drawing_Shadow $pValue = null) {
                $this->_shadow = $pValue;
                return $this;
    }

        public function getHashCode() {
        return md5(
                  $this->_name
                . $this->_description
                . $this->_worksheet->getHashCode()
                . $this->_coordinates
                . $this->_offsetX
                . $this->_offsetY
                . $this->_width
                . $this->_height
                . $this->_rotation
                . $this->_shadow->getHashCode()
                . __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;
                        }
                }
        }
}