<?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_Excel2007

 * @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_Writer_Excel2007_Theme

 *

 * @category   PHPExcel

 * @package    PHPExcel_Writer_Excel2007

 * @copyright  Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)

 */

class PHPExcel_Writer_Excel2007_Theme extends PHPExcel_Writer_Excel2007_WriterPart

{

	/**

	 * Map of Major fonts to write

	 * @static	array of string

	 *

	 */

	private static $_majorFonts = array(

					'Jpan' => 'ＭＳ Ｐゴシック',

					'Hang' => '맑은 고딕',

					'Hans' => '宋体',

					'Hant' => '新細明體',

					'Arab' => 'Times New Roman',

					'Hebr' => 'Times New Roman',

					'Thai' => 'Tahoma',

					'Ethi' => 'Nyala',

					'Beng' => 'Vrinda',

					'Gujr' => 'Shruti',

					'Khmr' => 'MoolBoran',

					'Knda' => 'Tunga',

					'Guru' => 'Raavi',

					'Cans' => 'Euphemia',

					'Cher' => 'Plantagenet Cherokee',

					'Yiii' => 'Microsoft Yi Baiti',

					'Tibt' => 'Microsoft Himalaya',

					'Thaa' => 'MV Boli',

					'Deva' => 'Mangal',

					'Telu' => 'Gautami',

					'Taml' => 'Latha',

					'Syrc' => 'Estrangelo Edessa',

					'Orya' => 'Kalinga',

					'Mlym' => 'Kartika',

					'Laoo' => 'DokChampa',

					'Sinh' => 'Iskoola Pota',

					'Mong' => 'Mongolian Baiti',

					'Viet' => 'Times New Roman',

					'Uigh' => 'Microsoft Uighur',

					'Geor' => 'Sylfaen',

			);



	/**

	 * Map of Minor fonts to write

	 * @static	array of string

	 *

	 */

	private static $_minorFonts = array(

					'Jpan' => 'ＭＳ Ｐゴシック',

					'Hang' => '맑은 고딕',

					'Hans' => '宋体',

					'Hant' => '新細明體',

					'Arab' => 'Arial',

					'Hebr' => 'Arial',

					'Thai' => 'Tahoma',

					'Ethi' => 'Nyala',

					'Beng' => 'Vrinda',

					'Gujr' => 'Shruti',

					'Khmr' => 'DaunPenh',

					'Knda' => 'Tunga',

					'Guru' => 'Raavi',

					'Cans' => 'Euphemia',

					'Cher' => 'Plantagenet Cherokee',

					'Yiii' => 'Microsoft Yi Baiti',

					'Tibt' => 'Microsoft Himalaya',

					'Thaa' => 'MV Boli',

					'Deva' => 'Mangal',

					'Telu' => 'Gautami',

					'Taml' => 'Latha',

					'Syrc' => 'Estrangelo Edessa',

					'Orya' => 'Kalinga',

					'Mlym' => 'Kartika',

					'Laoo' => 'DokChampa',

					'Sinh' => 'Iskoola Pota',

					'Mong' => 'Mongolian Baiti',

					'Viet' => 'Arial',

					'Uigh' => 'Microsoft Uighur',

					'Geor' => 'Sylfaen',

			);



	/**

	 * Map of core colours

	 * @static	array of string

	 *

	 */

		private static $_colourScheme = array(

					'dk2'		=> '1F497D',

					'lt2'		=> 'EEECE1',

					'accent1'	=> '4F81BD',

					'accent2'	=> 'C0504D',

					'accent3'	=> '9BBB59',

					'accent4'	=> '8064A2',

					'accent5'	=> '4BACC6',

					'accent6'	=> 'F79646',

					'hlink'		=> '0000FF',

					'folHlink'	=> '800080',

			);

			

	/**

	 * Write theme to XML format

	 *

	 * @param 	PHPExcel	$pPHPExcel

	 * @return 	string 		XML Output

	 * @throws 	PHPExcel_Writer_Exception

	 */

	public function writeTheme(PHPExcel $pPHPExcel = null)

	{

			// Create XML writer

			$objWriter = null;

			if ($this->getParentWriter()->getUseDiskCaching()) {

				$objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());

			} else {

				$objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_MEMORY);

			}



			// XML header

			$objWriter->startDocument('1.0','UTF-8','yes');



			// a:theme

			$objWriter->startElement('a:theme');

			$objWriter->writeAttribute('xmlns:a', 'http://schemas.openxmlformats.org/drawingml/2006/main');

			$objWriter->writeAttribute('name', 'Office Theme');



				// a:themeElements

				$objWriter->startElement('a:themeElements');



					// a:clrScheme

					$objWriter->startElement('a:clrScheme');

					$objWriter->writeAttribute('name', 'Office');



						// a:dk1

						$objWriter->startElement('a:dk1');



							// a:sysClr

							$objWriter->startElement('a:sysClr');

							$objWriter->writeAttribute('val', 'windowText');

							$objWriter->writeAttribute('lastClr', '000000');

							$objWriter->endElement();



						$objWriter->endElement();



						// a:lt1

						$objWriter->startElement('a:lt1');



							// a:sysClr

							$objWriter->startElement('a:sysClr');

							$objWriter->writeAttribute('val', 'window');

							$objWriter->writeAttribute('lastClr', 'FFFFFF');

							$objWriter->endElement();



						$objWriter->endElement();



						// a:dk2

						$this->_writeColourScheme($objWriter);



					$objWriter->endElement();



					// a:fontScheme

					$objWriter->startElement('a:fontScheme');

					$objWriter->writeAttribute('name', 'Office');



						// a:majorFont

						$objWriter->startElement('a:majorFont');

							$this->_writeFonts($objWriter, 'Cambria', self::$_majorFonts);

						$objWriter->endElement();



						// a:minorFont

						$objWriter->startElement('a:minorFont');

							$this->_writeFonts($objWriter, 'Calibri', self::$_minorFonts);

						$objWriter->endElement();



					$objWriter->endElement();



					// a:fmtScheme

					$objWriter->startElement('a:fmtScheme');

					$objWriter->writeAttribute('name', 'Office');



						// a:fillStyleLst

						$objWriter->startElement('a:fillStyleLst');



							// a:solidFill

							$objWriter->startElement('a:solidFill');



								// a:schemeClr

								$objWriter->startElement('a:schemeClr');

								$objWriter->writeAttribute('val', 'phClr');

								$objWriter->endElement();



							$objWriter->endElement();



							// a:gradFill

							$objWriter->startElement('a:gradFill');

							$objWriter->writeAttribute('rotWithShape', '1');



								// a:gsLst

								$objWriter->startElement('a:gsLst');



									// a:gs

									$objWriter->startElement('a:gs');

									$objWriter->writeAttribute('pos', '0');



										// a:schemeClr

										$objWriter->startElement('a:schemeClr');

										$objWriter->writeAttribute('val', 'phClr');



											// a:tint

											$objWriter->startElement('a:tint');

											$objWriter->writeAttribute('val', '50000');

											$objWriter->endElement();



											// a:satMod

											$objWriter->startElement('a:satMod');

											$objWriter->writeAttribute('val', '300000');

											$objWriter->endElement();



										$objWriter->endElement();



									$objWriter->endElement();



									// a:gs

									$objWriter->startElement('a:gs');

									$objWriter->writeAttribute('pos', '35000');



										// a:schemeClr

										$objWriter->startElement('a:schemeClr');

										$objWriter->writeAttribute('val', 'phClr');



											// a:tint

											$objWriter->startElement('a:tint');

											$objWriter->writeAttribute('val', '37000');

											$objWriter->endElement();



											// a:satMod

											$objWriter->startElement('a:satMod');

											$objWriter->writeAttribute('val', '300000');

											$objWriter->endElement();



										$objWriter->endElement();



									$objWriter->endElement();



									// a:gs

									$objWriter->startElement('a:gs');

									$objWriter->writeAttribute('pos', '100000');



										// a:schemeClr

										$objWriter->startElement('a:schemeClr');

										$objWriter->writeAttribute('val', 'phClr');



											// a:tint

											$objWriter->startElement('a:tint');

											$objWriter->writeAttribute('val', '15000');

											$objWriter->endElement();



											// a:satMod

											$objWriter->startElement('a:satMod');

											$objWriter->writeAttribute('val', '350000');

											$objWriter->endElement();



										$objWriter->endElement();



									$objWriter->endElement();



								$objWriter->endElement();



								// a:lin

								$objWriter->startElement('a:lin');

								$objWriter->writeAttribute('ang', '16200000');

								$objWriter->writeAttribute('scaled', '1');

								$objWriter->endElement();



							$objWriter->endElement();



							// a:gradFill

							$objWriter->startElement('a:gradFill');

							$objWriter->writeAttribute('rotWithShape', '1');



								// a:gsLst

								$objWriter->startElement('a:gsLst');



									// a:gs

									$objWriter->startElement('a:gs');

									$objWriter->writeAttribute('pos', '0');



										// a:schemeClr

										$objWriter->startElement('a:schemeClr');

										$objWriter->writeAttribute('val', 'phClr');



											// a:shade

											$objWriter->startElement('a:shade');

											$objWriter->writeAttribute('val', '51000');

											$objWriter->endElement();



											// a:satMod

											$objWriter->startElement('a:satMod');

											$objWriter->writeAttribute('val', '130000');

											$objWriter->endElement();



										$objWriter->endElement();



									$objWriter->endElement();



									// a:gs

									$objWriter->startElement('a:gs');

									$objWriter->writeAttribute('pos', '80000');



										// a:schemeClr

										$objWriter->startElement('a:schemeClr');

										$objWriter->writeAttribute('val', 'phClr');



											// a:shade

											$objWriter->startElement('a:shade');

											$objWriter->writeAttribute('val', '93000');

											$objWriter->endElement();



											// a:satMod

											$objWriter->startElement('a:satMod');

											$objWriter->writeAttribute('val', '130000');

											$objWriter->endElement();



										$objWriter->endElement();



									$objWriter->endElement();



									// a:gs

									$objWriter->startElement('a:gs');

									$objWriter->writeAttribute('pos', '100000');



										// a:schemeClr

										$objWriter->startElement('a:schemeClr');

										$objWriter->writeAttribute('val', 'phClr');



											// a:shade

											$objWriter->startElement('a:shade');

											$objWriter->writeAttribute('val', '94000');

											$objWriter->endElement();



											// a:satMod

											$objWriter->startElement('a:satMod');

											$objWriter->writeAttribute('val', '135000');

											$objWriter->endElement();



										$objWriter->endElement();



									$objWriter->endElement();



								$objWriter->endElement();



								// a:lin

								$objWriter->startElement('a:lin');

								$objWriter->writeAttribute('ang', '16200000');

								$objWriter->writeAttribute('scaled', '0');

								$objWriter->endElement();



							$objWriter->endElement();



						$objWriter->endElement();



						// a:lnStyleLst

						$objWriter->startElement('a:lnStyleLst');



							// a:ln

							$objWriter->startElement('a:ln');

							$objWriter->writeAttribute('w', '9525');

							$objWriter->writeAttribute('cap', 'flat');

							$objWriter->writeAttribute('cmpd', 'sng');

							$objWriter->writeAttribute('algn', 'ctr');



								// a:solidFill

								$objWriter->startElement('a:solidFill');



									// a:schemeClr

									$objWriter->startElement('a:schemeClr');

									$objWriter->writeAttribute('val', 'phClr');



											// a:shade

											$objWriter->startElement('a:shade');

											$objWriter->writeAttribute('val', '95000');

											$objWriter->endElement();



											// a:satMod

											$objWriter->startElement('a:satMod');

											$objWriter->writeAttribute('val', '105000');

											$objWriter->endElement();



									$objWriter->endElement();



								$objWriter->endElement();



								// a:prstDash

								$objWriter->startElement('a:prstDash');

								$objWriter->writeAttribute('val', 'solid');

								$objWriter->endElement();



							$objWriter->endElement();



							// a:ln

							$objWriter->startElement('a:ln');

							$objWriter->writeAttribute('w', '25400');

							$objWriter->writeAttribute('cap', 'flat');

							$objWriter->writeAttribute('cmpd', 'sng');

							$objWriter->writeAttribute('algn', 'ctr');



								// a:solidFill

								$objWriter->startElement('a:solidFill');



									// a:schemeClr

									$objWriter->startElement('a:schemeClr');

									$objWriter->writeAttribute('val', 'phClr');

									$objWriter->endElement();



								$objWriter->endElement();



								// a:prstDash

								$objWriter->startElement('a:prstDash');

								$objWriter->writeAttribute('val', 'solid');

								$objWriter->endElement();



							$objWriter->endElement();



							// a:ln

							$objWriter->startElement('a:ln');

							$objWriter->writeAttribute('w', '38100');

							$objWriter->writeAttribute('cap', 'flat');

							$objWriter->writeAttribute('cmpd', 'sng');

							$objWriter->writeAttribute('algn', 'ctr');



								// a:solidFill

								$objWriter->startElement('a:solidFill');



									// a:schemeClr

									$objWriter->startElement('a:schemeClr');

									$objWriter->writeAttribute('val', 'phClr');

									$objWriter->endElement();



								$objWriter->endElement();



								// a:prstDash

								$objWriter->startElement('a:prstDash');

								$objWriter->writeAttribute('val', 'solid');

								$objWriter->endElement();



							$objWriter->endElement();



						$objWriter->endElement();







						// a:effectStyleLst

						$objWriter->startElement('a:effectStyleLst');



							// a:effectStyle

							$objWriter->startElement('a:effectStyle');



								// a:effectLst

								$objWriter->startElement('a:effectLst');



									// a:outerShdw

									$objWriter->startElement('a:outerShdw');

									$objWriter->writeAttribute('blurRad', '40000');

									$objWriter->writeAttribute('dist', '20000');

									$objWriter->writeAttribute('dir', '5400000');

									$objWriter->writeAttribute('rotWithShape', '0');



										// a:srgbClr

										$objWriter->startElement('a:srgbClr');

										$objWriter->writeAttribute('val', '000000');



											// a:alpha

											$objWriter->startElement('a:alpha');

											$objWriter->writeAttribute('val', '38000');

											$objWriter->endElement();



										$objWriter->endElement();



									$objWriter->endElement();



								$objWriter->endElement();



							$objWriter->endElement();



							// a:effectStyle

							$objWriter->startElement('a:effectStyle');



								// a:effectLst

								$objWriter->startElement('a:effectLst');



									// a:outerShdw

									$objWriter->startElement('a:outerShdw');

									$objWriter->writeAttribute('blurRad', '40000');

									$objWriter->writeAttribute('dist', '23000');

									$objWriter->writeAttribute('dir', '5400000');

									$objWriter->writeAttribute('rotWithShape', '0');



										// a:srgbClr

										$objWriter->startElement('a:srgbClr');

										$objWriter->writeAttribute('val', '000000');



											// a:alpha

											$objWriter->startElement('a:alpha');

											$objWriter->writeAttribute('val', '35000');

											$objWriter->endElement();



										$objWriter->endElement();



									$objWriter->endElement();



								$objWriter->endElement();



							$objWriter->endElement();



							// a:effectStyle

							$objWriter->startElement('a:effectStyle');



								// a:effectLst

								$objWriter->startElement('a:effectLst');



									// a:outerShdw

									$objWriter->startElement('a:outerShdw');

									$objWriter->writeAttribute('blurRad', '40000');

									$objWriter->writeAttribute('dist', '23000');

									$objWriter->writeAttribute('dir', '5400000');

									$objWriter->writeAttribute('rotWithShape', '0');



										// a:srgbClr

										$objWriter->startElement('a:srgbClr');

										$objWriter->writeAttribute('val', '000000');



											// a:alpha

											$objWriter->startElement('a:alpha');

											$objWriter->writeAttribute('val', '35000');

											$objWriter->endElement();



										$objWriter->endElement();



									$objWriter->endElement();



								$objWriter->endElement();



								// a:scene3d

								$objWriter->startElement('a:scene3d');



									// a:camera

									$objWriter->startElement('a:camera');

									$objWriter->writeAttribute('prst', 'orthographicFront');



										// a:rot

										$objWriter->startElement('a:rot');

										$objWriter->writeAttribute('lat', '0');

										$objWriter->writeAttribute('lon', '0');

										$objWriter->writeAttribute('rev', '0');

										$objWriter->endElement();



									$objWriter->endElement();



									// a:lightRig

									$objWriter->startElement('a:lightRig');

									$objWriter->writeAttribute('rig', 'threePt');

									$objWriter->writeAttribute('dir', 't');



										// a:rot

										$objWriter->startElement('a:rot');

										$objWriter->writeAttribute('lat', '0');

										$objWriter->writeAttribute('lon', '0');

										$objWriter->writeAttribute('rev', '1200000');

										$objWriter->endElement();



									$objWriter->endElement();



								$objWriter->endElement();



								// a:sp3d

								$objWriter->startElement('a:sp3d');



									// a:bevelT

									$objWriter->startElement('a:bevelT');

									$objWriter->writeAttribute('w', '63500');

									$objWriter->writeAttribute('h', '25400');

									$objWriter->endElement();



								$objWriter->endElement();



							$objWriter->endElement();



						$objWriter->endElement();



						// a:bgFillStyleLst

						$objWriter->startElement('a:bgFillStyleLst');



							// a:solidFill

							$objWriter->startElement('a:solidFill');



								// a:schemeClr

								$objWriter->startElement('a:schemeClr');

								$objWriter->writeAttribute('val', 'phClr');

								$objWriter->endElement();



							$objWriter->endElement();



							// a:gradFill

							$objWriter->startElement('a:gradFill');

							$objWriter->writeAttribute('rotWithShape', '1');



								// a:gsLst

								$objWriter->startElement('a:gsLst');



									// a:gs

									$objWriter->startElement('a:gs');

									$objWriter->writeAttribute('pos', '0');



										// a:schemeClr

										$objWriter->startElement('a:schemeClr');

										$objWriter->writeAttribute('val', 'phClr');



											// a:tint

											$objWriter->startElement('a:tint');

											$objWriter->writeAttribute('val', '40000');

											$objWriter->endElement();



											// a:satMod

											$objWriter->startElement('a:satMod');

											$objWriter->writeAttribute('val', '350000');

											$objWriter->endElement();



										$objWriter->endElement();



									$objWriter->endElement();



									// a:gs

									$objWriter->startElement('a:gs');

									$objWriter->writeAttribute('pos', '40000');



										// a:schemeClr

										$objWriter->startElement('a:schemeClr');

										$objWriter->writeAttribute('val', 'phClr');



											// a:tint

											$objWriter->startElement('a:tint');

											$objWriter->writeAttribute('val', '45000');

											$objWriter->endElement();



											// a:shade

											$objWriter->startElement('a:shade');

											$objWriter->writeAttribute('val', '99000');

											$objWriter->endElement();



											// a:satMod

											$objWriter->startElement('a:satMod');

											$objWriter->writeAttribute('val', '350000');

											$objWriter->endElement();



										$objWriter->endElement();



									$objWriter->endElement();



									// a:gs

									$objWriter->startElement('a:gs');

									$objWriter->writeAttribute('pos', '100000');



										// a:schemeClr

										$objWriter->startElement('a:schemeClr');

										$objWriter->writeAttribute('val', 'phClr');



											// a:shade

											$objWriter->startElement('a:shade');

											$objWriter->writeAttribute('val', '20000');

											$objWriter->endElement();



											// a:satMod

											$objWriter->startElement('a:satMod');

											$objWriter->writeAttribute('val', '255000');

											$objWriter->endElement();



										$objWriter->endElement();



									$objWriter->endElement();



								$objWriter->endElement();



								// a:path

								$objWriter->startElement('a:path');

								$objWriter->writeAttribute('path', 'circle');



									// a:fillToRect

									$objWriter->startElement('a:fillToRect');

									$objWriter->writeAttribute('l', '50000');

									$objWriter->writeAttribute('t', '-80000');

									$objWriter->writeAttribute('r', '50000');

									$objWriter->writeAttribute('b', '180000');

									$objWriter->endElement();



								$objWriter->endElement();



							$objWriter->endElement();



							// a:gradFill

							$objWriter->startElement('a:gradFill');

							$objWriter->writeAttribute('rotWithShape', '1');



								// a:gsLst

								$objWriter->startElement('a:gsLst');



									// a:gs

									$objWriter->startElement('a:gs');

									$objWriter->writeAttribute('pos', '0');



										// a:schemeClr

										$objWriter->startElement('a:schemeClr');

										$objWriter->writeAttribute('val', 'phClr');



											// a:tint

											$objWriter->startElement('a:tint');

											$objWriter->writeAttribute('val', '80000');

											$objWriter->endElement();



											// a:satMod

											$objWriter->startElement('a:satMod');

											$objWriter->writeAttribute('val', '300000');

											$objWriter->endElement();



										$objWriter->endElement();



									$objWriter->endElement();



									// a:gs

									$objWriter->startElement('a:gs');

									$objWriter->writeAttribute('pos', '100000');



										// a:schemeClr

										$objWriter->startElement('a:schemeClr');

										$objWriter->writeAttribute('val', 'phClr');



											// a:shade

											$objWriter->startElement('a:shade');

											$objWriter->writeAttribute('val', '30000');

											$objWriter->endElement();



											// a:satMod

											$objWriter->startElement('a:satMod');

											$objWriter->writeAttribute('val', '200000');

											$objWriter->endElement();



										$objWriter->endElement();



									$objWriter->endElement();



								$objWriter->endElement();



								// a:path

								$objWriter->startElement('a:path');

								$objWriter->writeAttribute('path', 'circle');



									// a:fillToRect

									$objWriter->startElement('a:fillToRect');

									$objWriter->writeAttribute('l', '50000');

									$objWriter->writeAttribute('t', '50000');

									$objWriter->writeAttribute('r', '50000');

									$objWriter->writeAttribute('b', '50000');

									$objWriter->endElement();



								$objWriter->endElement();



							$objWriter->endElement();



						$objWriter->endElement();



					$objWriter->endElement();



				$objWriter->endElement();



				// a:objectDefaults

				$objWriter->writeElement('a:objectDefaults', null);



				// a:extraClrSchemeLst

				$objWriter->writeElement('a:extraClrSchemeLst', null);



			$objWriter->endElement();



			// Return

			return $objWriter->getData();

	}



	/**

	 * Write fonts to XML format

	 *

	 * @param 	PHPExcel_Shared_XMLWriter	$objWriter

	 * @param 	string						$latinFont

	 * @param 	array of string				$fontSet

	 * @return 	string 						XML Output

	 * @throws 	PHPExcel_Writer_Exception

	 */

	private function _writeFonts($objWriter, $latinFont, $fontSet)

	{

		// a:latin

		$objWriter->startElement('a:latin');

		$objWriter->writeAttribute('typeface', $latinFont);

		$objWriter->endElement();



		// a:ea

		$objWriter->startElement('a:ea');

		$objWriter->writeAttribute('typeface', '');

		$objWriter->endElement();



		// a:cs

		$objWriter->startElement('a:cs');

		$objWriter->writeAttribute('typeface', '');

		$objWriter->endElement();



		foreach($fontSet as $fontScript => $typeface) {

			$objWriter->startElement('a:font');

				$objWriter->writeAttribute('script', $fontScript);

				$objWriter->writeAttribute('typeface', $typeface);

			$objWriter->endElement();

		}



	}



	/**

	 * Write colour scheme to XML format

	 *

	 * @param 	PHPExcel_Shared_XMLWriter	$objWriter

	 * @return 	string 						XML Output

	 * @throws 	PHPExcel_Writer_Exception

	 */

	private function _writeColourScheme($objWriter)

	{

		foreach(self::$_colourScheme as $colourName => $colourValue) {

			$objWriter->startElement('a:'.$colourName);



				$objWriter->startElement('a:srgbClr');

					$objWriter->writeAttribute('val', $colourValue);

				$objWriter->endElement();



			$objWriter->endElement();

		}

						

	}

}

