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Path: /data/applications/aps/tikiwiki/14.1-0/standard/htdocs/ [ Home ]
File: tiki-gdgraph.php
<?php
/**
 * @package tikiwiki
 */
// (c) Copyright 2002-2015 by authors of the Tiki Wiki CMS Groupware Project
// 
// All Rights Reserved. See copyright.txt for details and a complete list of authors.
// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
// $Id: tiki-gdgraph.php 54078 2015-02-24 04:46:03Z nkoth $

require_once('tiki-setup.php'); // this seems to be needed ?
require_once('lib/graph-engine/gd.php');
require_once('lib/graph-engine/graph.bar.php');

$access->check_feature('wikiplugin_gdgraph');

//Decode the passed array	
$strencxy2 = $_GET['usexydata'];
$dataxy = json_decode(urldecode($strencxy2));

// only the barvert and barhoriz types are working at present
if ($_REQUEST["type"] == 'barvert' || $_REQUEST["type"] == 'barhoriz') {
	$renderer = new GD_GRenderer($_REQUEST["width"], $_REQUEST["height"]);
	$graph = new MultibarGraphic;
	$graph->setTitle(tra($_REQUEST["title"]));

	$graph->setData(array('x' => $dataxy->xdata, 'y0' => $dataxy->ydata));

	if ($_REQUEST["type"] == 'barvert') {
		$graph->setParam('grid-independant-location', 'horizontal');
	} else {
		$graph->setParam('grid-independant-location', 'vertical');
		$graph->setParam('grid-horizontal-position', 'top');
	}
	$graph->setParam('grid-independant-major-font', 'Normal-Text');
	$graph->setParam('grid-independant-major-guide', false);

} elseif ($_REQUEST["type"] == 'multiline') {
	// multiline not working as yet	so shouldn't get here
	$renderer = new GD_GRenderer($_REQUEST["width"], $_REQUEST["height"]);
	$graph = new MultilineGraphic;
	$graph->setTitle(tra($_REQUEST["title"]));

	$graph->setData(array('x' => $dataxy['xdata'], 'y0' => $dataxy['ydata']));

	$graph->setParam('grid-independant-location', 'vertical');
	$graph->setParam('grid-independant-major-font', 'Normal-Text');
	$graph->setParam('grid-independant-major-guide', false);

} elseif ($_REQUEST["type"] == 'pie') {
	// pie not working as yet so shouldn't get here
	$renderer = new GD_GRenderer($_REQUEST["width"], $_REQUEST["height"]);
	$graph = new PieChartGraphic;
	$graph->setTitle(tra($_REQUEST["title"]));

	$graph->setData(array('x' => $dataxy['xdata'], 'y0' => $dataxy['ydata']));

	$graph->setParam('grid-independant-location', 'vertical');
	$graph->setParam('grid-independant-major-font', 'Normal-Text');
	$graph->setParam('grid-independant-major-guide', false);

} else {
// should never end up here - but should add some sort of error return if you do
}
$graph->draw($renderer);
$renderer->httpOutput('graph.png');