35chartrender.php

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<?php
 
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');
 
set_include_path(get_include_path() . PATH_SEPARATOR . dirname(__FILE__) . '/../Classes/');
 
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::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[] = dirname(__FILE__) . '/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);
 
                                $jpegFile = '35'.str_replace('.xlsx', '.jpg', substr($inputFileNameShort,2));
                                if (file_exists($jpegFile)) {
                                        unlink($jpegFile);
                                }
                                try {
                                        $chart->render($jpegFile);
                                } catch (Exception $e) {
                                        echo 'Error rendering chart: ',$e->getMessage();
                                }
                        }
                }
        }
 
 
        $objPHPExcel->disconnectWorksheets();
        unset($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;