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Fix to colour settings in jpgraph renderer and initial version of example code for rendering

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charts as images
This commit is contained in:
Mark Baker 2012-10-07 10:30:15 +01:00
parent 8900a49d4e
commit a62b133540
2 changed files with 133 additions and 0 deletions
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2
Classes/PHPExcel/Chart/Renderer/jpgraph.php
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@ -744,6 +744,8 @@ class PHPExcel_Chart_Renderer_jpgraph
public function render($outputDestination) {
self::$_plotColour = 0;
$groupCount = $this->_chart->getPlotArea()->getPlotGroupCount();
$dimensions = null;

131
Tests/35chartrender.php Normal file
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@ -0,0 +1,131 @@
<?php
/** Error reporting */
error_reporting(E_ALL);
ini_set('display_errors', TRUE);
ini_set('display_startup_errors', TRUE);
date_default_timezone_set('Europe/London');
define('EOL',(PHP_SAPI == 'cli') ? PHP_EOL : '<br />');
date_default_timezone_set('Europe/London');
/**
* PHPExcel
*
* Copyright (C) 2006 - 2012 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
* @copyright Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
* @version ##VERSION##, ##DATE##
*/
/** Include path **/
set_include_path(get_include_path() . PATH_SEPARATOR . '../Classes/');
/** PHPExcel_IOFactory */
include 'PHPExcel/IOFactory.php';
// Change these values to select the Rendering library that you wish to use
// and its directory location on your server
//$rendererName = PHPExcel_Settings::PDF_RENDERER_MPDF;
$rendererName = PHPExcel_Settings::CHART_RENDERER_JPGRAPH;
$rendererLibrary = 'jpgraph3.5.0b1/src';
$rendererLibraryPath = '/php/libraries/Charts/' . $rendererLibrary;
if (!PHPExcel_Settings::setChartRenderer(
$rendererName,
$rendererLibraryPath
)) {
die(
'NOTICE: Please set the $rendererName and $rendererLibraryPath values' .
EOL .
'at the top of this script as appropriate for your directory structure'
);
}
$inputFileType = 'Excel2007';
$inputFileNames = 'templates/32readwrite*[0-9].xlsx';
if ((isset($argc)) && ($argc > 1)) {
$inputFileNames = array();
for($i = 1; $i < $argc; ++$i) {
$inputFileNames[] = __DIR__ . '/templates/' . $argv[$i];
}
} else {
$inputFileNames = glob($inputFileNames);
}
foreach($inputFileNames as $inputFileName) {
$inputFileNameShort = basename($inputFileName);
if (!file_exists($inputFileName)) {
echo date('H:i:s') , " File " , $inputFileNameShort , ' does not exist' , EOL;
continue;
}
echo date('H:i:s') , " Load Test from $inputFileType file " , $inputFileNameShort , EOL;
$objReader = PHPExcel_IOFactory::createReader($inputFileType);
$objReader->setIncludeCharts(TRUE);
$objPHPExcel = $objReader->load($inputFileName);
echo date('H:i:s') , " Iterate worksheets looking at the charts" , EOL;
foreach ($objPHPExcel->getWorksheetIterator() as $worksheet) {
$sheetName = $worksheet->getTitle();
echo 'Worksheet: ' , $sheetName , EOL;
$chartNames = $worksheet->getChartNames();
if(empty($chartNames)) {
echo ' There are no charts in this worksheet' , EOL;
} else {
natsort($chartNames);
foreach($chartNames as $i => $chartName) {
$chart = $worksheet->getChartByName($chartName);
if (!is_null($chart->getTitle())) {
$caption = '"' . implode(' ',$chart->getTitle()->getCaption()) . '"';
} else {
$caption = 'Untitled';
}
echo ' ' , $chartName , ' - ' , $caption , EOL;
echo str_repeat(' ',strlen($chartName)+3);
$jpegFile = str_replace('.xlsx', '.jpg', $inputFileNameShort);
if (file_exists($jpegFile)) {
unlink($jpegFile);
}
$chart->render($jpegFile);
}
}
}
$objPHPExcel->disconnectWorksheets();
unset($objPHPExcel);
}
// Echo memory peak usage
echo date('H:i:s') , ' Peak memory usage: ' , (memory_get_peak_usage(true) / 1024 / 1024) , " MB" , EOL;
// Echo done
echo date('H:i:s') , " Done rendering charts as images" , EOL;
echo 'Image files have been created in ' , getcwd() , EOL;