<?php

/**
 *  PHPExcel_Writer_PDF_Core
 *
 *  Copyright (c) 2006 - 2015 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_Writer_PDF
 *  @copyright   Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
 *  @license     http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL
 *  @version     ##VERSION##, ##DATE##
 */
abstract class PHPExcel_Writer_PDF_Core extends PHPExcel_Writer_HTML
{
  /**
   * Temporary storage directory
   *
   * @var string
   */
  protected $tempDir = '';
  
  /**
   * Font
   *
   * @var string
   */
  protected $font = 'freesans';
  
  /**
   * Orientation (Over-ride)
   *
   * @var string
   */
  protected $orientation;
  
  /**
   * Paper size (Over-ride)
   *
   * @var int
   */
  protected $paperSize;
  
  /**
   * Temporary storage for Save Array Return type
   *
   * @var string
   */
  private $saveArrayReturnType;
  
  /**
   * Paper Sizes xRef List
   *
   * @var array
   */
  protected static $paperSizes = array (
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_LETTER => 'LETTER', // (8.5 in. by 11 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_LETTER_SMALL => 'LETTER', // (8.5 in. by 11 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_TABLOID => array (
          792.00,
          1224.00 
      ), // (11 in. by 17 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_LEDGER => array (
          1224.00,
          792.00 
      ), // (17 in. by 11 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_LEGAL => 'LEGAL', // (8.5 in. by 14 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_STATEMENT => array (
          396.00,
          612.00 
      ), // (5.5 in. by 8.5 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_EXECUTIVE => 'EXECUTIVE', // (7.25 in. by 10.5 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_A3 => 'A3', // (297 mm by 420 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_A4 => 'A4', // (210 mm by 297 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_A4_SMALL => 'A4', // (210 mm by 297 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_A5 => 'A5', // (148 mm by 210 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_B4 => 'B4', // (250 mm by 353 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_B5 => 'B5', // (176 mm by 250 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_FOLIO => 'FOLIO', // (8.5 in. by 13 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_QUARTO => array (
          609.45,
          779.53 
      ), // (215 mm by 275 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_STANDARD_1 => array (
          720.00,
          1008.00 
      ), // (10 in. by 14 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_STANDARD_2 => array (
          792.00,
          1224.00 
      ), // (11 in. by 17 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_NOTE => 'LETTER', // (8.5 in. by 11 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_NO9_ENVELOPE => array (
          279.00,
          639.00 
      ), // (3.875 in. by 8.875 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_NO10_ENVELOPE => array (
          297.00,
          684.00 
      ), // (4.125 in. by 9.5 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_NO11_ENVELOPE => array (
          324.00,
          747.00 
      ), // (4.5 in. by 10.375 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_NO12_ENVELOPE => array (
          342.00,
          792.00 
      ), // (4.75 in. by 11 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_NO14_ENVELOPE => array (
          360.00,
          828.00 
      ), // (5 in. by 11.5 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_C => array (
          1224.00,
          1584.00 
      ), // (17 in. by 22 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_D => array (
          1584.00,
          2448.00 
      ), // (22 in. by 34 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_E => array (
          2448.00,
          3168.00 
      ), // (34 in. by 44 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_DL_ENVELOPE => array (
          311.81,
          623.62 
      ), // (110 mm by 220 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_C5_ENVELOPE => 'C5', // (162 mm by 229 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_C3_ENVELOPE => 'C3', // (324 mm by 458 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_C4_ENVELOPE => 'C4', // (229 mm by 324 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_C6_ENVELOPE => 'C6', // (114 mm by 162 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_C65_ENVELOPE => array (
          323.15,
          649.13 
      ), // (114 mm by 229 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_B4_ENVELOPE => 'B4', // (250 mm by 353 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_B5_ENVELOPE => 'B5', // (176 mm by 250 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_B6_ENVELOPE => array (
          498.90,
          354.33 
      ), // (176 mm by 125 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_ITALY_ENVELOPE => array (
          311.81,
          651.97 
      ), // (110 mm by 230 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_MONARCH_ENVELOPE => array (
          279.00,
          540.00 
      ), // (3.875 in. by 7.5 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_6_3_4_ENVELOPE => array (
          261.00,
          468.00 
      ), // (3.625 in. by 6.5 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_US_STANDARD_FANFOLD => array (
          1071.00,
          792.00 
      ), // (14.875 in. by 11 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_GERMAN_STANDARD_FANFOLD => array (
          612.00,
          864.00 
      ), // (8.5 in. by 12 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_GERMAN_LEGAL_FANFOLD => 'FOLIO', // (8.5 in. by 13 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_ISO_B4 => 'B4', // (250 mm by 353 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_JAPANESE_DOUBLE_POSTCARD => array (
          566.93,
          419.53 
      ), // (200 mm by 148 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_STANDARD_PAPER_1 => array (
          648.00,
          792.00 
      ), // (9 in. by 11 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_STANDARD_PAPER_2 => array (
          720.00,
          792.00 
      ), // (10 in. by 11 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_STANDARD_PAPER_3 => array (
          1080.00,
          792.00 
      ), // (15 in. by 11 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_INVITE_ENVELOPE => array (
          623.62,
          623.62 
      ), // (220 mm by 220 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_LETTER_EXTRA_PAPER => array (
          667.80,
          864.00 
      ), // (9.275 in. by 12 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_LEGAL_EXTRA_PAPER => array (
          667.80,
          1080.00 
      ), // (9.275 in. by 15 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_TABLOID_EXTRA_PAPER => array (
          841.68,
          1296.00 
      ), // (11.69 in. by 18 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_A4_EXTRA_PAPER => array (
          668.98,
          912.76 
      ), // (236 mm by 322 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_LETTER_TRANSVERSE_PAPER => array (
          595.80,
          792.00 
      ), // (8.275 in. by 11 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_A4_TRANSVERSE_PAPER => 'A4', // (210 mm by 297 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_LETTER_EXTRA_TRANSVERSE_PAPER => array (
          667.80,
          864.00 
      ), // (9.275 in. by 12 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_SUPERA_SUPERA_A4_PAPER => array (
          643.46,
          1009.13 
      ), // (227 mm by 356 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_SUPERB_SUPERB_A3_PAPER => array (
          864.57,
          1380.47 
      ), // (305 mm by 487 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_LETTER_PLUS_PAPER => array (
          612.00,
          913.68 
      ), // (8.5 in. by 12.69 in.)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_A4_PLUS_PAPER => array (
          595.28,
          935.43 
      ), // (210 mm by 330 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_A5_TRANSVERSE_PAPER => 'A5', // (148 mm by 210 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_JIS_B5_TRANSVERSE_PAPER => array (
          515.91,
          728.50 
      ), // (182 mm by 257 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_A3_EXTRA_PAPER => array (
          912.76,
          1261.42 
      ), // (322 mm by 445 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_A5_EXTRA_PAPER => array (
          493.23,
          666.14 
      ), // (174 mm by 235 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_ISO_B5_EXTRA_PAPER => array (
          569.76,
          782.36 
      ), // (201 mm by 276 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_A2_PAPER => 'A2', // (420 mm by 594 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_A3_TRANSVERSE_PAPER => 'A3', // (297 mm by 420 mm)
      PHPExcel_Worksheet_PageSetup::PAPERSIZE_A3_EXTRA_TRANSVERSE_PAPER => array (
          912.76,
          1261.42 
      ) 
  ) // (322 mm by 445 mm)
;
  
  /**
   * Create a new PHPExcel_Writer_PDF
   *
   * @param PHPExcel $phpExcel
   *          PHPExcel object
   */
  public function __construct(PHPExcel $phpExcel)
  {
    parent::__construct ( $phpExcel );
    $this->setUseInlineCss ( true );
    $this->tempDir = PHPExcel_Shared_File::sys_get_temp_dir ();
  }
  
  /**
   * Get Font
   *
   * @return string
   */
  public function getFont()
  {
    return $this->font;
  }
  
  /**
   * Set font.
   * Examples:
   * 'arialunicid0-chinese-simplified'
   * 'arialunicid0-chinese-traditional'
   * 'arialunicid0-korean'
   * 'arialunicid0-japanese'
   *
   * @param string $fontName          
   */
  public function setFont($fontName)
  {
    $this->font = $fontName;
    return $this;
  }
  
  /**
   * Get Paper Size
   *
   * @return int
   */
  public function getPaperSize()
  {
    return $this->paperSize;
  }
  
  /**
   * Set Paper Size
   *
   * @param string $pValue
   *          Paper size
   * @return PHPExcel_Writer_PDF
   */
  public function setPaperSize($pValue = PHPExcel_Worksheet_PageSetup::PAPERSIZE_LETTER)
  {
    $this->paperSize = $pValue;
    return $this;
  }
  
  /**
   * Get Orientation
   *
   * @return string
   */
  public function getOrientation()
  {
    return $this->orientation;
  }
  
  /**
   * Set Orientation
   *
   * @param string $pValue
   *          Page orientation
   * @return PHPExcel_Writer_PDF
   */
  public function setOrientation($pValue = PHPExcel_Worksheet_PageSetup::ORIENTATION_DEFAULT)
  {
    $this->orientation = $pValue;
    return $this;
  }
  
  /**
   * Get temporary storage directory
   *
   * @return string
   */
  public function getTempDir()
  {
    return $this->tempDir;
  }
  
  /**
   * Set temporary storage directory
   *
   * @param string $pValue
   *          Temporary storage directory
   * @throws PHPExcel_Writer_Exception when directory does not exist
   * @return PHPExcel_Writer_PDF
   */
  public function setTempDir($pValue = '')
  {
    if (is_dir ( $pValue ))
    {
      $this->tempDir = $pValue;
    }
    else
    {
      throw new PHPExcel_Writer_Exception ( "Directory does not exist: $pValue" );
    }
    return $this;
  }
  
  /**
   * Save PHPExcel to PDF file, pre-save
   *
   * @param string $pFilename
   *          Name of the file to save as
   * @throws PHPExcel_Writer_Exception
   */
  protected function prepareForSave($pFilename = null)
  {
    // garbage collect
    $this->phpExcel->garbageCollect ();
    
    $this->saveArrayReturnType = PHPExcel_Calculation::getArrayReturnType ();
    PHPExcel_Calculation::setArrayReturnType ( PHPExcel_Calculation::RETURN_ARRAY_AS_VALUE );
    
    // Open file
    $fileHandle = fopen ( $pFilename, 'w' );
    if ($fileHandle === false)
    {
      throw new PHPExcel_Writer_Exception ( "Could not open file $pFilename for writing." );
    }
    
    // Set PDF
    $this->isPdf = true;
    // Build CSS
    $this->buildCSS ( true );
    
    return $fileHandle;
  }
  
  /**
   * Save PHPExcel to PDF file, post-save
   *
   * @param resource $fileHandle          
   * @throws PHPExcel_Writer_Exception
   */
  protected function restoreStateAfterSave($fileHandle)
  {
    // Close file
    fclose ( $fileHandle );
    
    PHPExcel_Calculation::setArrayReturnType ( $this->saveArrayReturnType );
  }
}
