<?php

/**
 * PHPExcel
 *
 * Copyright (c) 2006 - 2014 PHPExcel
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * @category   PHPExcel
 * @package    PHPExcel_Worksheet
 * @copyright  Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
 * @version    1.8.0, 2014-03-02
 */

/**
 * PHPExcel_Worksheet_HeaderFooterDrawing
 *
 * @category   PHPExcel
 * @package    PHPExcel_Worksheet
 * @copyright  Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
 */
class PHPExcel_Worksheet_HeaderFooterDrawing extends PHPExcel_Worksheet_Drawing implements PHPExcel_IComparable {

    /**
     * Path
     *
     * @var string
     */
    private $_path;

    /**
     * Name
     *
     * @var string
     */
    protected $_name;

    /**
     * Offset X
     *
     * @var int
     */
    protected $_offsetX;

    /**
     * Offset Y
     *
     * @var int
     */
    protected $_offsetY;

    /**
     * Width
     *
     * @var int
     */
    protected $_width;

    /**
     * Height
     *
     * @var int
     */
    protected $_height;

    /**
     * Proportional resize
     *
     * @var boolean
     */
    protected $_resizeProportional;

    /**
     * Create a new PHPExcel_Worksheet_HeaderFooterDrawing
     */
    public function __construct() {
        // Initialise values
        $this->_path = '';
        $this->_name = '';
        $this->_offsetX = 0;
        $this->_offsetY = 0;
        $this->_width = 0;
        $this->_height = 0;
        $this->_resizeProportional = true;
    }

    /**
     * Get Name
     *
     * @return string
     */
    public function getName() {
        return $this->_name;
    }

    /**
     * Set Name
     *
     * @param string $pValue
     * @return PHPExcel_Worksheet_HeaderFooterDrawing
     */
    public function setName($pValue = '') {
        $this->_name = $pValue;
        return $this;
    }

    /**
     * Get OffsetX
     *
     * @return int
     */
    public function getOffsetX() {
        return $this->_offsetX;
    }

    /**
     * Set OffsetX
     *
     * @param int $pValue
     * @return PHPExcel_Worksheet_HeaderFooterDrawing
     */
    public function setOffsetX($pValue = 0) {
        $this->_offsetX = $pValue;
        return $this;
    }

    /**
     * Get OffsetY
     *
     * @return int
     */
    public function getOffsetY() {
        return $this->_offsetY;
    }

    /**
     * Set OffsetY
     *
     * @param int $pValue
     * @return PHPExcel_Worksheet_HeaderFooterDrawing
     */
    public function setOffsetY($pValue = 0) {
        $this->_offsetY = $pValue;
        return $this;
    }

    /**
     * Get Width
     *
     * @return int
     */
    public function getWidth() {
        return $this->_width;
    }

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

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

        return $this;
    }

    /**
     * Get Height
     *
     * @return int
     */
    public function getHeight() {
        return $this->_height;
    }

    /**
     * Set Height
     *
     * @param int $pValue
     * @return PHPExcel_Worksheet_HeaderFooterDrawing
     */
    public function setHeight($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;
    }

    /**
     * Set width and height with proportional resize
     * Example:
     * <code>
     * $objDrawing->setResizeProportional(true);
     * $objDrawing->setWidthAndHeight(160,120);
     * </code>
     *
     * @author Vincent@luo MSN:kele_100@hotmail.com
     * @param int $width
     * @param int $height
     * @return PHPExcel_Worksheet_HeaderFooterDrawing
     */
    public function setWidthAndHeight($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;
    }

    /**
     * Get ResizeProportional
     *
     * @return boolean
     */
    public function getResizeProportional() {
        return $this->_resizeProportional;
    }

    /**
     * Set ResizeProportional
     *
     * @param boolean $pValue
     * @return PHPExcel_Worksheet_HeaderFooterDrawing
     */
    public function setResizeProportional($pValue = true) {
        $this->_resizeProportional = $pValue;
        return $this;
    }

    /**
     * Get Filename
     *
     * @return string
     */
    public function getFilename() {
        return basename($this->_path);
    }

    /**
     * Get Extension
     *
     * @return string
     */
    public function getExtension() {
        $parts = explode(".", basename($this->_path));
        return end($parts);
    }

    /**
     * Get Path
     *
     * @return string
     */
    public function getPath() {
        return $this->_path;
    }

    /**
     * Set Path
     *
     * @param 	string 		$pValue			File path
     * @param 	boolean		$pVerifyFile	Verify file
     * @throws 	PHPExcel_Exception
     * @return PHPExcel_Worksheet_HeaderFooterDrawing
     */
    public function setPath($pValue = '', $pVerifyFile = true) {
        if ($pVerifyFile) {
            if (file_exists($pValue)) {
                $this->_path = $pValue;

                if ($this->_width == 0 && $this->_height == 0) {
                    // Get width/height
                    list($this->_width, $this->_height) = getimagesize($pValue);
                }
            } else {
                throw new PHPExcel_Exception("File $pValue not found!");
            }
        } else {
            $this->_path = $pValue;
        }
        return $this;
    }

    /**
     * Get hash code
     *
     * @return string	Hash code
     */
    public function getHashCode() {
        return md5(
                $this->_path
                . $this->_name
                . $this->_offsetX
                . $this->_offsetY
                . $this->_width
                . $this->_height
                . __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;
            }
        }
    }

}
