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669 lines
21 KiB
669 lines
21 KiB
<?php |
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/** |
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* PHPExcel_Reader_Excel5_Escher |
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* |
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* Copyright (c) 2006 - 2015 PHPExcel |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with this library; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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* |
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* @category PHPExcel |
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* @package PHPExcel_Reader_Excel5 |
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* @copyright Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel) |
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* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL |
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* @version ##VERSION##, ##DATE## |
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*/ |
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class PHPExcel_Reader_Excel5_Escher |
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{ |
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const DGGCONTAINER = 0xF000; |
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const BSTORECONTAINER = 0xF001; |
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const DGCONTAINER = 0xF002; |
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const SPGRCONTAINER = 0xF003; |
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const SPCONTAINER = 0xF004; |
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const DGG = 0xF006; |
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const BSE = 0xF007; |
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const DG = 0xF008; |
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const SPGR = 0xF009; |
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const SP = 0xF00A; |
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const OPT = 0xF00B; |
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const CLIENTTEXTBOX = 0xF00D; |
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const CLIENTANCHOR = 0xF010; |
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const CLIENTDATA = 0xF011; |
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const BLIPJPEG = 0xF01D; |
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const BLIPPNG = 0xF01E; |
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const SPLITMENUCOLORS = 0xF11E; |
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const TERTIARYOPT = 0xF122; |
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/** |
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* Escher stream data (binary) |
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* |
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* @var string |
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*/ |
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private $data; |
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/** |
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* Size in bytes of the Escher stream data |
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* |
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* @var int |
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*/ |
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private $dataSize; |
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/** |
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* Current position of stream pointer in Escher stream data |
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* |
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* @var int |
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*/ |
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private $pos; |
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/** |
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* The object to be returned by the reader. Modified during load. |
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* |
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* @var mixed |
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*/ |
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private $object; |
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/** |
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* Create a new PHPExcel_Reader_Excel5_Escher instance |
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* |
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* @param mixed $object |
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*/ |
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public function __construct($object) |
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{ |
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$this->object = $object; |
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} |
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/** |
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* Load Escher stream data. May be a partial Escher stream. |
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* |
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* @param string $data |
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*/ |
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public function load($data) |
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{ |
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$this->data = $data; |
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// total byte size of Excel data (workbook global substream + sheet substreams) |
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$this->dataSize = strlen($this->data); |
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$this->pos = 0; |
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// Parse Escher stream |
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while ($this->pos < $this->dataSize) { |
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// offset: 2; size: 2: Record Type |
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$fbt = PHPExcel_Reader_Excel5::getInt2d($this->data, $this->pos + 2); |
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switch ($fbt) { |
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case self::DGGCONTAINER: |
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$this->readDggContainer(); |
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break; |
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case self::DGG: |
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$this->readDgg(); |
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break; |
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case self::BSTORECONTAINER: |
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$this->readBstoreContainer(); |
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break; |
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case self::BSE: |
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$this->readBSE(); |
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break; |
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case self::BLIPJPEG: |
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$this->readBlipJPEG(); |
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break; |
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case self::BLIPPNG: |
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$this->readBlipPNG(); |
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break; |
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case self::OPT: |
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$this->readOPT(); |
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break; |
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case self::TERTIARYOPT: |
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$this->readTertiaryOPT(); |
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break; |
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case self::SPLITMENUCOLORS: |
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$this->readSplitMenuColors(); |
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break; |
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case self::DGCONTAINER: |
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$this->readDgContainer(); |
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break; |
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case self::DG: |
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$this->readDg(); |
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break; |
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case self::SPGRCONTAINER: |
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$this->readSpgrContainer(); |
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break; |
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case self::SPCONTAINER: |
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$this->readSpContainer(); |
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break; |
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case self::SPGR: |
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$this->readSpgr(); |
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break; |
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case self::SP: |
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$this->readSp(); |
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break; |
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case self::CLIENTTEXTBOX: |
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$this->readClientTextbox(); |
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break; |
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case self::CLIENTANCHOR: |
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$this->readClientAnchor(); |
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break; |
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case self::CLIENTDATA: |
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$this->readClientData(); |
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break; |
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default: |
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$this->readDefault(); |
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break; |
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} |
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} |
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return $this->object; |
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} |
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/** |
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* Read a generic record |
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*/ |
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private function readDefault() |
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{ |
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// offset 0; size: 2; recVer and recInstance |
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$verInstance = PHPExcel_Reader_Excel5::getInt2d($this->data, $this->pos); |
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// offset: 2; size: 2: Record Type |
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$fbt = PHPExcel_Reader_Excel5::getInt2d($this->data, $this->pos + 2); |
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// bit: 0-3; mask: 0x000F; recVer |
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$recVer = (0x000F & $verInstance) >> 0; |
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$length = PHPExcel_Reader_Excel5::getInt4d($this->data, $this->pos + 4); |
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$recordData = substr($this->data, $this->pos + 8, $length); |
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// move stream pointer to next record |
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$this->pos += 8 + $length; |
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} |
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/** |
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* Read DggContainer record (Drawing Group Container) |
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*/ |
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private function readDggContainer() |
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{ |
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$length = PHPExcel_Reader_Excel5::getInt4d($this->data, $this->pos + 4); |
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$recordData = substr($this->data, $this->pos + 8, $length); |
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// move stream pointer to next record |
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$this->pos += 8 + $length; |
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// record is a container, read contents |
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$dggContainer = new PHPExcel_Shared_Escher_DggContainer(); |
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$this->object->setDggContainer($dggContainer); |
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$reader = new PHPExcel_Reader_Excel5_Escher($dggContainer); |
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$reader->load($recordData); |
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} |
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/** |
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* Read Dgg record (Drawing Group) |
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*/ |
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private function readDgg() |
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{ |
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$length = PHPExcel_Reader_Excel5::getInt4d($this->data, $this->pos + 4); |
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$recordData = substr($this->data, $this->pos + 8, $length); |
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// move stream pointer to next record |
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$this->pos += 8 + $length; |
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} |
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/** |
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* Read BstoreContainer record (Blip Store Container) |
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*/ |
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private function readBstoreContainer() |
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{ |
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$length = PHPExcel_Reader_Excel5::getInt4d($this->data, $this->pos + 4); |
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$recordData = substr($this->data, $this->pos + 8, $length); |
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// move stream pointer to next record |
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$this->pos += 8 + $length; |
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// record is a container, read contents |
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$bstoreContainer = new PHPExcel_Shared_Escher_DggContainer_BstoreContainer(); |
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$this->object->setBstoreContainer($bstoreContainer); |
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$reader = new PHPExcel_Reader_Excel5_Escher($bstoreContainer); |
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$reader->load($recordData); |
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} |
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/** |
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* Read BSE record |
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*/ |
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private function readBSE() |
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{ |
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// offset: 0; size: 2; recVer and recInstance |
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// bit: 4-15; mask: 0xFFF0; recInstance |
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$recInstance = (0xFFF0 & PHPExcel_Reader_Excel5::getInt2d($this->data, $this->pos)) >> 4; |
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$length = PHPExcel_Reader_Excel5::getInt4d($this->data, $this->pos + 4); |
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$recordData = substr($this->data, $this->pos + 8, $length); |
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// move stream pointer to next record |
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$this->pos += 8 + $length; |
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// add BSE to BstoreContainer |
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$BSE = new PHPExcel_Shared_Escher_DggContainer_BstoreContainer_BSE(); |
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$this->object->addBSE($BSE); |
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$BSE->setBLIPType($recInstance); |
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// offset: 0; size: 1; btWin32 (MSOBLIPTYPE) |
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$btWin32 = ord($recordData[0]); |
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// offset: 1; size: 1; btWin32 (MSOBLIPTYPE) |
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$btMacOS = ord($recordData[1]); |
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// offset: 2; size: 16; MD4 digest |
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$rgbUid = substr($recordData, 2, 16); |
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// offset: 18; size: 2; tag |
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$tag = PHPExcel_Reader_Excel5::getInt2d($recordData, 18); |
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// offset: 20; size: 4; size of BLIP in bytes |
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$size = PHPExcel_Reader_Excel5::getInt4d($recordData, 20); |
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// offset: 24; size: 4; number of references to this BLIP |
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$cRef = PHPExcel_Reader_Excel5::getInt4d($recordData, 24); |
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// offset: 28; size: 4; MSOFO file offset |
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$foDelay = PHPExcel_Reader_Excel5::getInt4d($recordData, 28); |
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// offset: 32; size: 1; unused1 |
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$unused1 = ord($recordData{32}); |
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// offset: 33; size: 1; size of nameData in bytes (including null terminator) |
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$cbName = ord($recordData{33}); |
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// offset: 34; size: 1; unused2 |
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$unused2 = ord($recordData{34}); |
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// offset: 35; size: 1; unused3 |
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$unused3 = ord($recordData{35}); |
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// offset: 36; size: $cbName; nameData |
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$nameData = substr($recordData, 36, $cbName); |
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// offset: 36 + $cbName, size: var; the BLIP data |
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$blipData = substr($recordData, 36 + $cbName); |
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// record is a container, read contents |
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$reader = new PHPExcel_Reader_Excel5_Escher($BSE); |
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$reader->load($blipData); |
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} |
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/** |
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* Read BlipJPEG record. Holds raw JPEG image data |
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*/ |
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private function readBlipJPEG() |
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{ |
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// offset: 0; size: 2; recVer and recInstance |
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// bit: 4-15; mask: 0xFFF0; recInstance |
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$recInstance = (0xFFF0 & PHPExcel_Reader_Excel5::getInt2d($this->data, $this->pos)) >> 4; |
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$length = PHPExcel_Reader_Excel5::getInt4d($this->data, $this->pos + 4); |
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$recordData = substr($this->data, $this->pos + 8, $length); |
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// move stream pointer to next record |
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$this->pos += 8 + $length; |
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$pos = 0; |
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// offset: 0; size: 16; rgbUid1 (MD4 digest of) |
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$rgbUid1 = substr($recordData, 0, 16); |
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$pos += 16; |
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// offset: 16; size: 16; rgbUid2 (MD4 digest), only if $recInstance = 0x46B or 0x6E3 |
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if (in_array($recInstance, array(0x046B, 0x06E3))) { |
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$rgbUid2 = substr($recordData, 16, 16); |
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$pos += 16; |
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} |
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// offset: var; size: 1; tag |
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$tag = ord($recordData{$pos}); |
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$pos += 1; |
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// offset: var; size: var; the raw image data |
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$data = substr($recordData, $pos); |
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$blip = new PHPExcel_Shared_Escher_DggContainer_BstoreContainer_BSE_Blip(); |
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$blip->setData($data); |
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$this->object->setBlip($blip); |
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} |
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/** |
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* Read BlipPNG record. Holds raw PNG image data |
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*/ |
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private function readBlipPNG() |
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{ |
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// offset: 0; size: 2; recVer and recInstance |
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// bit: 4-15; mask: 0xFFF0; recInstance |
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$recInstance = (0xFFF0 & PHPExcel_Reader_Excel5::getInt2d($this->data, $this->pos)) >> 4; |
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$length = PHPExcel_Reader_Excel5::getInt4d($this->data, $this->pos + 4); |
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$recordData = substr($this->data, $this->pos + 8, $length); |
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// move stream pointer to next record |
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$this->pos += 8 + $length; |
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$pos = 0; |
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// offset: 0; size: 16; rgbUid1 (MD4 digest of) |
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$rgbUid1 = substr($recordData, 0, 16); |
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$pos += 16; |
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// offset: 16; size: 16; rgbUid2 (MD4 digest), only if $recInstance = 0x46B or 0x6E3 |
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if ($recInstance == 0x06E1) { |
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$rgbUid2 = substr($recordData, 16, 16); |
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$pos += 16; |
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} |
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// offset: var; size: 1; tag |
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$tag = ord($recordData{$pos}); |
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$pos += 1; |
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// offset: var; size: var; the raw image data |
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$data = substr($recordData, $pos); |
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$blip = new PHPExcel_Shared_Escher_DggContainer_BstoreContainer_BSE_Blip(); |
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$blip->setData($data); |
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$this->object->setBlip($blip); |
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} |
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/** |
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* Read OPT record. This record may occur within DggContainer record or SpContainer |
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*/ |
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private function readOPT() |
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{ |
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// offset: 0; size: 2; recVer and recInstance |
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// bit: 4-15; mask: 0xFFF0; recInstance |
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$recInstance = (0xFFF0 & PHPExcel_Reader_Excel5::getInt2d($this->data, $this->pos)) >> 4; |
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$length = PHPExcel_Reader_Excel5::getInt4d($this->data, $this->pos + 4); |
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$recordData = substr($this->data, $this->pos + 8, $length); |
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// move stream pointer to next record |
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$this->pos += 8 + $length; |
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$this->readOfficeArtRGFOPTE($recordData, $recInstance); |
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} |
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/** |
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* Read TertiaryOPT record |
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*/ |
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private function readTertiaryOPT() |
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{ |
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// offset: 0; size: 2; recVer and recInstance |
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// bit: 4-15; mask: 0xFFF0; recInstance |
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$recInstance = (0xFFF0 & PHPExcel_Reader_Excel5::getInt2d($this->data, $this->pos)) >> 4; |
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$length = PHPExcel_Reader_Excel5::getInt4d($this->data, $this->pos + 4); |
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$recordData = substr($this->data, $this->pos + 8, $length); |
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// move stream pointer to next record |
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$this->pos += 8 + $length; |
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} |
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/** |
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* Read SplitMenuColors record |
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*/ |
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private function readSplitMenuColors() |
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{ |
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$length = PHPExcel_Reader_Excel5::getInt4d($this->data, $this->pos + 4); |
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$recordData = substr($this->data, $this->pos + 8, $length); |
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// move stream pointer to next record |
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$this->pos += 8 + $length; |
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} |
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/** |
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* Read DgContainer record (Drawing Container) |
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*/ |
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private function readDgContainer() |
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{ |
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$length = PHPExcel_Reader_Excel5::getInt4d($this->data, $this->pos + 4); |
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$recordData = substr($this->data, $this->pos + 8, $length); |
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// move stream pointer to next record |
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$this->pos += 8 + $length; |
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// record is a container, read contents |
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$dgContainer = new PHPExcel_Shared_Escher_DgContainer(); |
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$this->object->setDgContainer($dgContainer); |
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$reader = new PHPExcel_Reader_Excel5_Escher($dgContainer); |
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$escher = $reader->load($recordData); |
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} |
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/** |
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* Read Dg record (Drawing) |
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*/ |
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private function readDg() |
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{ |
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$length = PHPExcel_Reader_Excel5::getInt4d($this->data, $this->pos + 4); |
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$recordData = substr($this->data, $this->pos + 8, $length); |
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// move stream pointer to next record |
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$this->pos += 8 + $length; |
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} |
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/** |
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* Read SpgrContainer record (Shape Group Container) |
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*/ |
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private function readSpgrContainer() |
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{ |
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// context is either context DgContainer or SpgrContainer |
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$length = PHPExcel_Reader_Excel5::getInt4d($this->data, $this->pos + 4); |
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$recordData = substr($this->data, $this->pos + 8, $length); |
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// move stream pointer to next record |
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$this->pos += 8 + $length; |
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// record is a container, read contents |
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$spgrContainer = new PHPExcel_Shared_Escher_DgContainer_SpgrContainer(); |
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if ($this->object instanceof PHPExcel_Shared_Escher_DgContainer) { |
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// DgContainer |
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$this->object->setSpgrContainer($spgrContainer); |
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} else { |
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// SpgrContainer |
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$this->object->addChild($spgrContainer); |
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} |
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$reader = new PHPExcel_Reader_Excel5_Escher($spgrContainer); |
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$escher = $reader->load($recordData); |
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} |
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/** |
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* Read SpContainer record (Shape Container) |
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*/ |
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private function readSpContainer() |
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{ |
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$length = PHPExcel_Reader_Excel5::getInt4d($this->data, $this->pos + 4); |
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$recordData = substr($this->data, $this->pos + 8, $length); |
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// add spContainer to spgrContainer |
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$spContainer = new PHPExcel_Shared_Escher_DgContainer_SpgrContainer_SpContainer(); |
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$this->object->addChild($spContainer); |
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// move stream pointer to next record |
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$this->pos += 8 + $length; |
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// record is a container, read contents |
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$reader = new PHPExcel_Reader_Excel5_Escher($spContainer); |
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$escher = $reader->load($recordData); |
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} |
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|
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/** |
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* Read Spgr record (Shape Group) |
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*/ |
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private function readSpgr() |
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{ |
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$length = PHPExcel_Reader_Excel5::getInt4d($this->data, $this->pos + 4); |
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$recordData = substr($this->data, $this->pos + 8, $length); |
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|
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// move stream pointer to next record |
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$this->pos += 8 + $length; |
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} |
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/** |
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* Read Sp record (Shape) |
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*/ |
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private function readSp() |
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{ |
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// offset: 0; size: 2; recVer and recInstance |
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// bit: 4-15; mask: 0xFFF0; recInstance |
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$recInstance = (0xFFF0 & PHPExcel_Reader_Excel5::getInt2d($this->data, $this->pos)) >> 4; |
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$length = PHPExcel_Reader_Excel5::getInt4d($this->data, $this->pos + 4); |
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$recordData = substr($this->data, $this->pos + 8, $length); |
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// move stream pointer to next record |
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$this->pos += 8 + $length; |
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} |
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/** |
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* Read ClientTextbox record |
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*/ |
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private function readClientTextbox() |
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{ |
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// offset: 0; size: 2; recVer and recInstance |
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// bit: 4-15; mask: 0xFFF0; recInstance |
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$recInstance = (0xFFF0 & PHPExcel_Reader_Excel5::getInt2d($this->data, $this->pos)) >> 4; |
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|
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$length = PHPExcel_Reader_Excel5::getInt4d($this->data, $this->pos + 4); |
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$recordData = substr($this->data, $this->pos + 8, $length); |
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|
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// move stream pointer to next record |
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$this->pos += 8 + $length; |
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} |
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|
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/** |
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* Read ClientAnchor record. This record holds information about where the shape is anchored in worksheet |
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*/ |
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private function readClientAnchor() |
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{ |
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$length = PHPExcel_Reader_Excel5::getInt4d($this->data, $this->pos + 4); |
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$recordData = substr($this->data, $this->pos + 8, $length); |
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|
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// move stream pointer to next record |
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$this->pos += 8 + $length; |
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|
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// offset: 2; size: 2; upper-left corner column index (0-based) |
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$c1 = PHPExcel_Reader_Excel5::getInt2d($recordData, 2); |
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|
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// offset: 4; size: 2; upper-left corner horizontal offset in 1/1024 of column width |
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$startOffsetX = PHPExcel_Reader_Excel5::getInt2d($recordData, 4); |
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|
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// offset: 6; size: 2; upper-left corner row index (0-based) |
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$r1 = PHPExcel_Reader_Excel5::getInt2d($recordData, 6); |
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|
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// offset: 8; size: 2; upper-left corner vertical offset in 1/256 of row height |
|
$startOffsetY = PHPExcel_Reader_Excel5::getInt2d($recordData, 8); |
|
|
|
// offset: 10; size: 2; bottom-right corner column index (0-based) |
|
$c2 = PHPExcel_Reader_Excel5::getInt2d($recordData, 10); |
|
|
|
// offset: 12; size: 2; bottom-right corner horizontal offset in 1/1024 of column width |
|
$endOffsetX = PHPExcel_Reader_Excel5::getInt2d($recordData, 12); |
|
|
|
// offset: 14; size: 2; bottom-right corner row index (0-based) |
|
$r2 = PHPExcel_Reader_Excel5::getInt2d($recordData, 14); |
|
|
|
// offset: 16; size: 2; bottom-right corner vertical offset in 1/256 of row height |
|
$endOffsetY = PHPExcel_Reader_Excel5::getInt2d($recordData, 16); |
|
|
|
// set the start coordinates |
|
$this->object->setStartCoordinates(PHPExcel_Cell::stringFromColumnIndex($c1) . ($r1 + 1)); |
|
|
|
// set the start offsetX |
|
$this->object->setStartOffsetX($startOffsetX); |
|
|
|
// set the start offsetY |
|
$this->object->setStartOffsetY($startOffsetY); |
|
|
|
// set the end coordinates |
|
$this->object->setEndCoordinates(PHPExcel_Cell::stringFromColumnIndex($c2) . ($r2 + 1)); |
|
|
|
// set the end offsetX |
|
$this->object->setEndOffsetX($endOffsetX); |
|
|
|
// set the end offsetY |
|
$this->object->setEndOffsetY($endOffsetY); |
|
} |
|
|
|
/** |
|
* Read ClientData record |
|
*/ |
|
private function readClientData() |
|
{ |
|
$length = PHPExcel_Reader_Excel5::getInt4d($this->data, $this->pos + 4); |
|
$recordData = substr($this->data, $this->pos + 8, $length); |
|
|
|
// move stream pointer to next record |
|
$this->pos += 8 + $length; |
|
} |
|
|
|
/** |
|
* Read OfficeArtRGFOPTE table of property-value pairs |
|
* |
|
* @param string $data Binary data |
|
* @param int $n Number of properties |
|
*/ |
|
private function readOfficeArtRGFOPTE($data, $n) |
|
{ |
|
$splicedComplexData = substr($data, 6 * $n); |
|
|
|
// loop through property-value pairs |
|
for ($i = 0; $i < $n; ++$i) { |
|
// read 6 bytes at a time |
|
$fopte = substr($data, 6 * $i, 6); |
|
|
|
// offset: 0; size: 2; opid |
|
$opid = PHPExcel_Reader_Excel5::getInt2d($fopte, 0); |
|
|
|
// bit: 0-13; mask: 0x3FFF; opid.opid |
|
$opidOpid = (0x3FFF & $opid) >> 0; |
|
|
|
// bit: 14; mask 0x4000; 1 = value in op field is BLIP identifier |
|
$opidFBid = (0x4000 & $opid) >> 14; |
|
|
|
// bit: 15; mask 0x8000; 1 = this is a complex property, op field specifies size of complex data |
|
$opidFComplex = (0x8000 & $opid) >> 15; |
|
|
|
// offset: 2; size: 4; the value for this property |
|
$op = PHPExcel_Reader_Excel5::getInt4d($fopte, 2); |
|
|
|
if ($opidFComplex) { |
|
$complexData = substr($splicedComplexData, 0, $op); |
|
$splicedComplexData = substr($splicedComplexData, $op); |
|
|
|
// we store string value with complex data |
|
$value = $complexData; |
|
} else { |
|
// we store integer value |
|
$value = $op; |
|
} |
|
|
|
$this->object->setOPT($opidOpid, $value); |
|
} |
|
} |
|
}
|
|
|