Escher.php in Loft Data Grids 6.2

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vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel5/Escher.php

<?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_Writer_Excel5
 * @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    ##VERSION##, ##DATE##
 */

/**
 * PHPExcel_Shared_Escher_DggContainer_BstoreContainer
 *
 * @category   PHPExcel
 * @package    PHPExcel_Writer_Excel5
 * @copyright  Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
 */
class PHPExcel_Writer_Excel5_Escher {

  /**
   * The object we are writing
   */
  private $_object;

  /**
   * The written binary data
   */
  private $_data;

  /**
   * Shape offsets. Positions in binary stream where a new shape record begins
   *
   * @var array
   */
  private $_spOffsets;

  /**
   * Shape types.
   *
   * @var array
   */
  private $_spTypes;

  /**
   * Constructor
   *
   * @param mixed
   */
  public function __construct($object) {
    $this->_object = $object;
  }

  /**
   * Process the object to be written
   */
  public function close() {

    // initialize
    $this->_data = '';
    switch (get_class($this->_object)) {
      case 'PHPExcel_Shared_Escher':
        if ($dggContainer = $this->_object
          ->getDggContainer()) {
          $writer = new PHPExcel_Writer_Excel5_Escher($dggContainer);
          $this->_data = $writer
            ->close();
        }
        else {
          if ($dgContainer = $this->_object
            ->getDgContainer()) {
            $writer = new PHPExcel_Writer_Excel5_Escher($dgContainer);
            $this->_data = $writer
              ->close();
            $this->_spOffsets = $writer
              ->getSpOffsets();
            $this->_spTypes = $writer
              ->getSpTypes();
          }
        }
        break;
      case 'PHPExcel_Shared_Escher_DggContainer':

        // this is a container record
        // initialize
        $innerData = '';

        // write the dgg
        $recVer = 0x0;
        $recInstance = 0x0;
        $recType = 0xf006;
        $recVerInstance = $recVer;
        $recVerInstance |= $recInstance << 4;

        // dgg data
        $dggData = pack('VVVV', $this->_object
          ->getSpIdMax(), $this->_object
          ->getCDgSaved() + 1, $this->_object
          ->getCSpSaved(), $this->_object
          ->getCDgSaved());

        // add file identifier clusters (one per drawing)
        $IDCLs = $this->_object
          ->getIDCLs();
        foreach ($IDCLs as $dgId => $maxReducedSpId) {
          $dggData .= pack('VV', $dgId, $maxReducedSpId + 1);
        }
        $header = pack('vvV', $recVerInstance, $recType, strlen($dggData));
        $innerData .= $header . $dggData;

        // write the bstoreContainer
        if ($bstoreContainer = $this->_object
          ->getBstoreContainer()) {
          $writer = new PHPExcel_Writer_Excel5_Escher($bstoreContainer);
          $innerData .= $writer
            ->close();
        }

        // write the record
        $recVer = 0xf;
        $recInstance = 0x0;
        $recType = 0xf000;
        $length = strlen($innerData);
        $recVerInstance = $recVer;
        $recVerInstance |= $recInstance << 4;
        $header = pack('vvV', $recVerInstance, $recType, $length);
        $this->_data = $header . $innerData;
        break;
      case 'PHPExcel_Shared_Escher_DggContainer_BstoreContainer':

        // this is a container record
        // initialize
        $innerData = '';

        // treat the inner data
        if ($BSECollection = $this->_object
          ->getBSECollection()) {
          foreach ($BSECollection as $BSE) {
            $writer = new PHPExcel_Writer_Excel5_Escher($BSE);
            $innerData .= $writer
              ->close();
          }
        }

        // write the record
        $recVer = 0xf;
        $recInstance = count($this->_object
          ->getBSECollection());
        $recType = 0xf001;
        $length = strlen($innerData);
        $recVerInstance = $recVer;
        $recVerInstance |= $recInstance << 4;
        $header = pack('vvV', $recVerInstance, $recType, $length);
        $this->_data = $header . $innerData;
        break;
      case 'PHPExcel_Shared_Escher_DggContainer_BstoreContainer_BSE':

        // this is a semi-container record
        // initialize
        $innerData = '';

        // here we treat the inner data
        if ($blip = $this->_object
          ->getBlip()) {
          $writer = new PHPExcel_Writer_Excel5_Escher($blip);
          $innerData .= $writer
            ->close();
        }

        // initialize
        $data = '';
        $btWin32 = $this->_object
          ->getBlipType();
        $btMacOS = $this->_object
          ->getBlipType();
        $data .= pack('CC', $btWin32, $btMacOS);
        $rgbUid = pack('VVVV', 0, 0, 0, 0);

        // todo
        $data .= $rgbUid;
        $tag = 0;
        $size = strlen($innerData);
        $cRef = 1;
        $foDelay = 0;

        //todo
        $unused1 = 0x0;
        $cbName = 0x0;
        $unused2 = 0x0;
        $unused3 = 0x0;
        $data .= pack('vVVVCCCC', $tag, $size, $cRef, $foDelay, $unused1, $cbName, $unused2, $unused3);
        $data .= $innerData;

        // write the record
        $recVer = 0x2;
        $recInstance = $this->_object
          ->getBlipType();
        $recType = 0xf007;
        $length = strlen($data);
        $recVerInstance = $recVer;
        $recVerInstance |= $recInstance << 4;
        $header = pack('vvV', $recVerInstance, $recType, $length);
        $this->_data = $header;
        $this->_data .= $data;
        break;
      case 'PHPExcel_Shared_Escher_DggContainer_BstoreContainer_BSE_Blip':

        // this is an atom record
        // write the record
        switch ($this->_object
          ->getParent()
          ->getBlipType()) {
          case PHPExcel_Shared_Escher_DggContainer_BstoreContainer_BSE::BLIPTYPE_JPEG:

            // initialize
            $innerData = '';
            $rgbUid1 = pack('VVVV', 0, 0, 0, 0);

            // todo
            $innerData .= $rgbUid1;
            $tag = 0xff;

            // todo
            $innerData .= pack('C', $tag);
            $innerData .= $this->_object
              ->getData();
            $recVer = 0x0;
            $recInstance = 0x46a;
            $recType = 0xf01d;
            $length = strlen($innerData);
            $recVerInstance = $recVer;
            $recVerInstance |= $recInstance << 4;
            $header = pack('vvV', $recVerInstance, $recType, $length);
            $this->_data = $header;
            $this->_data .= $innerData;
            break;
          case PHPExcel_Shared_Escher_DggContainer_BstoreContainer_BSE::BLIPTYPE_PNG:

            // initialize
            $innerData = '';
            $rgbUid1 = pack('VVVV', 0, 0, 0, 0);

            // todo
            $innerData .= $rgbUid1;
            $tag = 0xff;

            // todo
            $innerData .= pack('C', $tag);
            $innerData .= $this->_object
              ->getData();
            $recVer = 0x0;
            $recInstance = 0x6e0;
            $recType = 0xf01e;
            $length = strlen($innerData);
            $recVerInstance = $recVer;
            $recVerInstance |= $recInstance << 4;
            $header = pack('vvV', $recVerInstance, $recType, $length);
            $this->_data = $header;
            $this->_data .= $innerData;
            break;
        }
        break;
      case 'PHPExcel_Shared_Escher_DgContainer':

        // this is a container record
        // initialize
        $innerData = '';

        // write the dg
        $recVer = 0x0;
        $recInstance = $this->_object
          ->getDgId();
        $recType = 0xf008;
        $length = 8;
        $recVerInstance = $recVer;
        $recVerInstance |= $recInstance << 4;
        $header = pack('vvV', $recVerInstance, $recType, $length);

        // number of shapes in this drawing (including group shape)
        $countShapes = count($this->_object
          ->getSpgrContainer()
          ->getChildren());
        $innerData .= $header . pack('VV', $countShapes, $this->_object
          ->getLastSpId());

        //$innerData .= $header . pack('VV', 0, 0);

        // write the spgrContainer
        if ($spgrContainer = $this->_object
          ->getSpgrContainer()) {
          $writer = new PHPExcel_Writer_Excel5_Escher($spgrContainer);
          $innerData .= $writer
            ->close();

          // get the shape offsets relative to the spgrContainer record
          $spOffsets = $writer
            ->getSpOffsets();
          $spTypes = $writer
            ->getSpTypes();

          // save the shape offsets relative to dgContainer
          foreach ($spOffsets as &$spOffset) {
            $spOffset += 24;

            // add length of dgContainer header data (8 bytes) plus dg data (16 bytes)
          }
          $this->_spOffsets = $spOffsets;
          $this->_spTypes = $spTypes;
        }

        // write the record
        $recVer = 0xf;
        $recInstance = 0x0;
        $recType = 0xf002;
        $length = strlen($innerData);
        $recVerInstance = $recVer;
        $recVerInstance |= $recInstance << 4;
        $header = pack('vvV', $recVerInstance, $recType, $length);
        $this->_data = $header . $innerData;
        break;
      case 'PHPExcel_Shared_Escher_DgContainer_SpgrContainer':

        // this is a container record
        // initialize
        $innerData = '';

        // initialize spape offsets
        $totalSize = 8;
        $spOffsets = array();
        $spTypes = array();

        // treat the inner data
        foreach ($this->_object
          ->getChildren() as $spContainer) {
          $writer = new PHPExcel_Writer_Excel5_Escher($spContainer);
          $spData = $writer
            ->close();
          $innerData .= $spData;

          // save the shape offsets (where new shape records begin)
          $totalSize += strlen($spData);
          $spOffsets[] = $totalSize;
          $spTypes = array_merge($spTypes, $writer
            ->getSpTypes());
        }

        // write the record
        $recVer = 0xf;
        $recInstance = 0x0;
        $recType = 0xf003;
        $length = strlen($innerData);
        $recVerInstance = $recVer;
        $recVerInstance |= $recInstance << 4;
        $header = pack('vvV', $recVerInstance, $recType, $length);
        $this->_data = $header . $innerData;
        $this->_spOffsets = $spOffsets;
        $this->_spTypes = $spTypes;
        break;
      case 'PHPExcel_Shared_Escher_DgContainer_SpgrContainer_SpContainer':

        // initialize
        $data = '';

        // build the data
        // write group shape record, if necessary?
        if ($this->_object
          ->getSpgr()) {
          $recVer = 0x1;
          $recInstance = 0x0;
          $recType = 0xf009;
          $length = 0x10;
          $recVerInstance = $recVer;
          $recVerInstance |= $recInstance << 4;
          $header = pack('vvV', $recVerInstance, $recType, $length);
          $data .= $header . pack('VVVV', 0, 0, 0, 0);
        }
        $this->_spTypes[] = $this->_object
          ->getSpType();

        // write the shape record
        $recVer = 0x2;
        $recInstance = $this->_object
          ->getSpType();

        // shape type
        $recType = 0xf00a;
        $length = 0x8;
        $recVerInstance = $recVer;
        $recVerInstance |= $recInstance << 4;
        $header = pack('vvV', $recVerInstance, $recType, $length);
        $data .= $header . pack('VV', $this->_object
          ->getSpId(), $this->_object
          ->getSpgr() ? 0x5 : 0xa00);

        // the options
        if ($this->_object
          ->getOPTCollection()) {
          $optData = '';
          $recVer = 0x3;
          $recInstance = count($this->_object
            ->getOPTCollection());
          $recType = 0xf00b;
          foreach ($this->_object
            ->getOPTCollection() as $property => $value) {
            $optData .= pack('vV', $property, $value);
          }
          $length = strlen($optData);
          $recVerInstance = $recVer;
          $recVerInstance |= $recInstance << 4;
          $header = pack('vvV', $recVerInstance, $recType, $length);
          $data .= $header . $optData;
        }

        // the client anchor
        if ($this->_object
          ->getStartCoordinates()) {
          $clientAnchorData = '';
          $recVer = 0x0;
          $recInstance = 0x0;
          $recType = 0xf010;

          // start coordinates
          list($column, $row) = PHPExcel_Cell::coordinateFromString($this->_object
            ->getStartCoordinates());
          $c1 = PHPExcel_Cell::columnIndexFromString($column) - 1;
          $r1 = $row - 1;

          // start offsetX
          $startOffsetX = $this->_object
            ->getStartOffsetX();

          // start offsetY
          $startOffsetY = $this->_object
            ->getStartOffsetY();

          // end coordinates
          list($column, $row) = PHPExcel_Cell::coordinateFromString($this->_object
            ->getEndCoordinates());
          $c2 = PHPExcel_Cell::columnIndexFromString($column) - 1;
          $r2 = $row - 1;

          // end offsetX
          $endOffsetX = $this->_object
            ->getEndOffsetX();

          // end offsetY
          $endOffsetY = $this->_object
            ->getEndOffsetY();
          $clientAnchorData = pack('vvvvvvvvv', $this->_object
            ->getSpFlag(), $c1, $startOffsetX, $r1, $startOffsetY, $c2, $endOffsetX, $r2, $endOffsetY);
          $length = strlen($clientAnchorData);
          $recVerInstance = $recVer;
          $recVerInstance |= $recInstance << 4;
          $header = pack('vvV', $recVerInstance, $recType, $length);
          $data .= $header . $clientAnchorData;
        }

        // the client data, just empty for now
        if (!$this->_object
          ->getSpgr()) {
          $clientDataData = '';
          $recVer = 0x0;
          $recInstance = 0x0;
          $recType = 0xf011;
          $length = strlen($clientDataData);
          $recVerInstance = $recVer;
          $recVerInstance |= $recInstance << 4;
          $header = pack('vvV', $recVerInstance, $recType, $length);
          $data .= $header . $clientDataData;
        }

        // write the record
        $recVer = 0xf;
        $recInstance = 0x0;
        $recType = 0xf004;
        $length = strlen($data);
        $recVerInstance = $recVer;
        $recVerInstance |= $recInstance << 4;
        $header = pack('vvV', $recVerInstance, $recType, $length);
        $this->_data = $header . $data;
        break;
    }
    return $this->_data;
  }

  /**
   * Gets the shape offsets
   *
   * @return array
   */
  public function getSpOffsets() {
    return $this->_spOffsets;
  }

  /**
   * Gets the shape types
   *
   * @return array
   */
  public function getSpTypes() {
    return $this->_spTypes;
  }

}

Classes

Name	Description
PHPExcel_Writer_Excel5_Escher	PHPExcel_Shared_Escher_DggContainer_BstoreContainer