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<?php
/*
Reportico - PHP Reporting Tool
Copyright (C) 2010-2014 Peter Deed
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* File: dyngraph_pchart.php
*
* Generates a chart image from axes, data parameters
*
* @link http://www.reportico.org/
* @copyright 2010-2014 Peter Deed
* @author Peter Deed <info@reportico.org>
* @package Reportico
* @license - http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
* @version $Id: dyngraph_pchart.php,v 1.16 2014/05/17 15:12:31 peter Exp $
*/
/* pChart library inclusions */
//include("pChart/class/pData.class.php");
//include("pChart/class/pDraw.class.php");
//include("pChart/class/pImage.class.php");
//include("pChart/class/pPie.class.php");
include("pChart/pChart.class");
include("pChart/pData.class");
include("pChart/pCache.class");
include_once("swutil.php");
ini_set("memory_limit","100M");
error_reporting(E_ALL);
date_default_timezone_set(@date_default_timezone_get());
set_include_path ( '.' );
$fontpath = find_best_location_in_include_path( "pChart/fonts" );
define ( "PCHARTFONTS_DIR", $fontpath."/" );
function & derive_request_item ( $attrib_name, $default )
{
if ( !isset($_REQUEST[$attrib_name]))
return $default;
if ( $_REQUEST[$attrib_name] )
{
return $_REQUEST[$attrib_name];
}
else
{
return $default;
}
}
/**
* Function convert_special_chars
*
* Converts special strings encoded back to original text
*/
function convert_special_chars($intext)
{
$outtext = preg_replace("/<AMPERSAND>/", "&", $intext);
return $outtext;
}
set_up_reportico_session();
global $g_session_namespace;
global $g_session_namespace_key;
if ( $g_session_namespace )
$g_session_namespace_key = "reportico_".$g_session_namespace;
else
$g_session_namespace_key = "reportico";
$plotdata = array();
$plot = array();
$graphid = derive_request_item("graphid", "");
if ( $graphid )
{
$params=get_reportico_session_param($graphid);
$a = explode('&', $params);
$i = 0;
while ($i < count($a))
{
$b = preg_split('/=/', $a[$i]);
$_REQUEST[$b[0]] = $b[1];
$tx=$b[0]."=".$b[1];
$i++;
}
}
$color = htmltorgb(derive_request_item("graphcolor", "white"));
$width = derive_request_item("width", 400);
$height = derive_request_item("height", 200);
$xgriddisplay = derive_request_item("xgriddisplay", "none");
$ygriddisplay = derive_request_item("ygriddisplay", "none");
$gridpos = derive_request_item("gridposition", "back");
$xgridcolor = htmltorgb(derive_request_item("xgridcolor", "purple"));
$ygridcolor = htmltorgb(derive_request_item("ygridcolor", "darkgreen"));
$title = convert_special_chars(derive_request_item("title", ""));
$xtitle = convert_special_chars(derive_request_item("xtitle", ""));
$ytitle = convert_special_chars(derive_request_item("ytitle", ""));
if ( $title == "Set Title" ) $title = "";
if ( $xtitle == "Set Title" ) $xtitle = "";
if ( $ytitle == "Set Title" ) $ytitle = "";
$titlefont = derive_request_item("titlefont", "Arial");
$titlefontstyle = derive_request_item("titlefontstyle", "Normal");
$titlefontsize = derive_request_item("titlefontsize", 12);
$xtitlefont = derive_request_item("xtitlefont", "Arial");
$xtitlefontstyle = derive_request_item("xtitlefontstyle", "Normal");
$xtitlefontsize = derive_request_item("xtitlefontsize", 12);
$xtitlecolor = htmltorgb(derive_request_item("xtitlecolor", "black"));
$ytitlefont = derive_request_item("ytitlefont", "Arial");
$ytitlefontstyle = derive_request_item("ytitlefontstyle", "Normal");
$ytitlefontsize = derive_request_item("ytitlefontsize", 12);
$ytitlecolor = htmltorgb(derive_request_item("ytitlecolor", "black"));
$xtickinterval = derive_request_item("xtickint", 4);
$ytickinterval = derive_request_item("ytickint", 4);
$titlecolor = htmltorgb(derive_request_item("titlecolor", "black"));
$margincolor = htmltorgb(derive_request_item("margincolor", "white"));
$marginleft = derive_request_item("marginleft", 50);
$marginright = derive_request_item("marginright", 50);
$margintop = derive_request_item("margintop", 20);
$marginbottom = derive_request_item("marginbottom", 60);
$xticklabint = derive_request_item("xticklabint", 2);
$xaxiscolor = htmltorgb(derive_request_item("xaxiscolor", "red"));
$yaxiscolor = htmltorgb(derive_request_item("yaxiscolor", "green"));
$xaxisfontcolor = htmltorgb(derive_request_item("xaxisfontcolor", "purple"));
$yaxisfontcolor = htmltorgb(derive_request_item("yaxisfontcolor", "gray"));
$xaxisfont = derive_request_item("xaxisfont", "Arial");
$xaxisfontstyle = derive_request_item("xaxisfontstyle", "Normal");
$xaxisfontsize = derive_request_item("xaxisfontsize", 12);
$yticklabint = derive_request_item("yticklabint", 2);
$yaxisfont = derive_request_item("yaxisfont", "Arial");
$yaxisfontstyle = derive_request_item("yaxisfontstyle", "Normal");
$yaxisfontsize = derive_request_item("yaxisfontsize", 12);
$val = derive_request_item("xlabels", "");
$xlabels = explode(",", $val);
$v = 0;
while ( true )
{
$vval = "plotdata".$v;
$plottype = derive_request_item("plottype".$v, "LINE");
$plotlcolor = derive_request_item("plotlinecolor".$v, "");
$plotfcolor = derive_request_item("plotfillcolor".$v, "");
$plotlegend = derive_request_item("plotlegend".$v, "");
$plotname = derive_request_item("plotname".$v, "");
if ( array_key_exists("$vval", $_REQUEST ) )
{
$vals = explode(",", $_REQUEST["$vval"]);
$plot[$v] = array(
"name" => $plotname,
"type" => $plottype,
"fillcolor" => $plotfcolor,
"linecolor" => $plotlcolor,
"legend" => $plotlegend,
"data" => $vals
);
}
else
break;
$v++;
}
/*
// Create the correct type of graph.
if ( $plot[0]["type"] == "PIE" || $plot[0]["type"] == "PIE3D" )
{
$graph = new PieGraph($width,$height,"auto");
$graph->SetScale("textlin");
$graph->img->SetMargin($marginleft,$marginright,$margintop,$marginbottom);
$graph->SetMarginColor($margincolor);
$graph->img->SetAntiAliasing();
$graph->SetColor($color);
$graph->SetShadow();
$graph->xaxis->SetTitleMargin($marginbottom - 35);
$graph->yaxis->SetTitleMargin(50);
$graph->yaxis->SetTitleMargin($marginleft - 15);
$graph->title->Set($title);
}
else
{
$graph = new pu($width,$height,"auto");
$graph->SetScale("textlin");
$graph->img->SetMargin($marginleft,$marginright,$margintop,$marginbottom);
$graph->SetMarginColor($margincolor);
$graph->img->SetAntiAliasing();
$graph->SetColor($color);
$graph->SetShadow();
$graph->xaxis->SetTitleMargin($marginbottom - 35);
$graph->yaxis->SetTitleMargin(50);
$graph->yaxis->SetTitleMargin($marginleft - 15);
}
*/
// Create Graph Dataset and set axis attributes
$graphData = new pData();
$graphData->setYAxisName($ytitle);
$graphData->AddPoint($xlabels,"xaxis");
//$graphData->SetSerieName("xaxis","xaxis");
$graphData->SetAbsciseLabelSerie("xaxis");
$graphData->setXAxisName($xtitle);
// Add each series of plot values to dataset, but Reportico will
// duplicate series were the same data are displayed in different forms
// so only add each unique series once
$seriesadded = array();
foreach ( $plot as $k => $v )
{
$series = $v["name"].$k;
$graphData->AddPoint($v["data"],$series);
$graphData->SetSerieName($v["legend"], $series);
$graphData->AddSerie($series);
}
/*
switch ( $xgriddisplay )
{
case "all":
$graph->xgrid->Show(true,true);
break;
case "major":
$graph->xgrid->Show(true,false);
break;
case "minor":
$graph->xgrid->Show(false,true);
break;
case "none":
default:
$graph->xgrid->Show(false,false);
break;
}
switch ( $ygriddisplay )
{
case "all":
$graph->ygrid->Show(true,true);
break;
case "major":
$graph->ygrid->Show(true,false);
break;
case "minor":
$graph->ygrid->Show(false,true);
break;
case "none":
default:
$graph->ygrid->Show(false,false);
break;
}
*/
/*
$graph->xaxis->SetFont($fontfamilies[$xaxisfont],$fontstyles[$xaxisfontstyle], $xaxisfontsize);
$graph->xaxis->SetColor($xaxiscolor,$xaxisfontcolor);
$graph->yaxis->SetFont($fontfamilies[$yaxisfont],$fontstyles[$yaxisfontstyle], $yaxisfontsize);
$graph->yaxis->SetColor($yaxiscolor,$yaxisfontcolor);
$graph->xaxis->title->SetFont($fontfamilies[$xtitlefont],$fontstyles[$xtitlefontstyle], $xtitlefontsize);
$graph->xaxis->title->SetColor($xtitlecolor);
$graph->yaxis->title->SetFont($fontfamilies[$ytitlefont],$fontstyles[$ytitlefontstyle], $ytitlefontsize);
$graph->yaxis->title->SetColor($ytitlecolor);
$graph->xaxis->SetLabelAngle(90);
$graph->xaxis->SetLabelMargin(15);
$graph->yaxis->SetLabelMargin(15);
$graph->xaxis->SetTickLabels($xlabels);
$graph->xaxis->SetTextLabelInterval($xticklabint);
$graph->yaxis->SetTextLabelInterval($yticklabint);
$graph->xaxis->SetTextTickInterval($xtickinterval);
$graph->yaxis->SetTextTickInterval($ytickinterval);
*/
/*
if ( $gridpos == "front" )
$graph->SetGridDepth(DEPTH_FRONT);
*/
// Display the graph
/*?$graph->Stroke();*/
$graphImage = new pChart($width,$height);
/* Turn of Antialiasing */
$graphImage->Antialias = TRUE;
// Add gradient fill from chosen background color to white
$startgradient=htmltorgb("#ffffff");
//$graphImage->drawGradientArea(0,0,$width,$height,DIRECTION_VERTICAL,array(
//"StartR"=>$startgradient[0], "StartG"=>$startgradient[1], "StartB"=>$startgradient[2],
//"EndR"=>$color[0], "EndG"=>$color[1], "EndB"=>$color[2],"Alpha"=>100));
/* Add a border to the picture */
//$graphImage->drawRectangle(0,0,$width - 1,$height - 1,200,200,200);
$graphImage->setFontProperties(PCHARTFONTS_DIR.$xaxisfont,$xaxisfontsize);
/* Define the chart area */
$graphImage->setGraphArea($marginleft,$margintop,$width - $marginright,$height - $marginbottom);
$graphImage->drawFilledRoundedRectangle(3,3, $width - 3,$height - 3,5,240,240,240);
$graphImage->drawRoundedRectangle(1,1,$width - 1,$height - 1,5,230,230,230);
// Before plotting a series ensure they are all not drawable.
/// Plot the chart data
$stackeddrawn = false;
$linedrawn = false;
$scatterdrawn = false;
$piedrawn = false;
$stackedexists = false;
$overlayexists = false;
$barexists = false;
foreach ( $plot as $k => $v )
{
if ( $v["type"] == "OVERLAYBAR" )
$overlayexists = true;
if ( $v["type"] == "STACKEDBAR" )
$stackedexists = true;
if ( $v["type"] == "STACKEDBAR" || $v["type"] == "BAR")
$barexists = true;
if ( $v["linecolor"] )
$graphImage->Palette[$k] = htmltorgb_pchart($v["linecolor"]);
}
$scale_drawing_mode = SCALE_NORMAL;
$scale_drawing_mode = SCALE_START0;
// For stacked charts fix up the Max and Min values;
if ( $stackedexists )
{
$scale_drawing_mode = SCALE_ADDALL;
$scaleMin = "Unknown";
$scaleMax = 0;
$min = false;
$max = false;
foreach ( $plot as $k => $v )
{
if ( $v["type"] == "BAR" || $v["type"] == "STACKEDBAR" )
{
$series = $v["name"].$k;
minmaxValueOfSeries($v["data"], $min, $max );
if ( $scaleMin == "Unknown" || $min < $scaleMin ) $scaleMin = $min;
$scaleMax = $scaleMax + $max;
}
}
if ( $scaleMin > 0 ) $scaleMin = 0;
$range = $scaleMax - $scaleMin;
// Make scales based on 5% of the range of values
$scaleMax = round(( $range * 0.05 ) + $scaleMax);
if ( $scaleMin < 0 )
$scaleMin = $scaleMin - round(( $range * 0.05 )) ;
$AxisBoundaries = array(0=>array("Min"=>$scaleMin,"Max"=>$scaleMax));
}
else if ( $barexists || $overlayexists )
{
$scaleMin = "Unknown";
$scaleMax = 0;
$min = false;
$max = false;
foreach ( $plot as $k => $v )
{
if ( $v["type"] == "BAR" || $v["type"] == "STACKEDBAR" )
{
$series = $v["name"].$k;
minmaxValueOfSeries($v["data"], $min, $max );
if ( $scaleMin == "Unknown" || $min < $scaleMin )
$scaleMin = $min;
if ( $scaleMax == "Unknown" || $max > $scaleMax )
$scaleMax = $max;
}
}
if ( $scaleMin > 0 ) $scaleMin = 0;
$range = $scaleMax - $scaleMin;
// Make scales based on 5% of the range of values
$scaleMax = round(( $range * 0.05 ) + $scaleMax);
if ( $scaleMin < 0 )
$scaleMin = $scaleMin - round(( $range * 0.05 )) ;
$AxisBoundaries = array(0=>array("Min"=>$scaleMin,"Max"=>$scaleMax));
}
//echo "<PRE>";
//var_dump($graphData->GetDataDescription());
//die;
// Find out if a scale is required, will be except for pie charts
$scalerequired = false;
foreach ( $plot as $k => $v )
{
switch ( $v["type"] ) {
case "BAR":
case "STACKEDBAR":
case "OVERLAYBAR":
case "LINE":
$scalerequired = "NORMAL";
break;
case "SCATTER":
$scalerequired = "SCATTER";
break;
}
}
$graphImage->setFontProperties(PCHARTFONTS_DIR.$xtitlefont,$xtitlefontsize);
if ( $scalerequired )
{
$graphImage->setGraphArea($marginleft,$margintop,$width - $marginright,$height - $marginbottom);
$graphImage->drawGraphAreaGradient(240,240,240,-20);
// Automatic generation of x tick interval based on number of ticks
if ( $xticklabint == "AUTO" )
{
$labct = count($plot[0]["data"]);
$xticklabint = floor ($labct / 50 ) + 1 ;
}
if ( $scalerequired == "NORMAL" )
{
$graphImage->drawScale($graphData->GetData(),
$graphData->GetDataDescription(),
$scale_drawing_mode,
0, 0, 0, // color
TRUE, // draw ticks?
40, // label angle
FALSE, // decimals ?
TRUE, // with margin
$xticklabint, // skip labels
FALSE // Right scale
);
}
$graphImage->drawGrid(1,TRUE,230,230,230,45);
}
else
{
$marginright= 5;
$marginbottom= 5;
$marginleft= 5;
//$margintop = 5;
$graphImage->setGraphArea($marginleft,$margintop,$width - $marginright,$height - $marginbottom);
$graphImage->drawGraphAreaGradient(240,240,240,-10);
}
// If there's a Pie chart we want to draw different legends
$piechart = false;
foreach ( $plot as $k => $v )
{
disableAllSeries($plot, $graphData);
$series = $v["name"].$k;
setSerieDrawable($plot, $graphData, $series,TRUE);
switch ( $v["type"] ) {
case "PIE":
$piedrawn = true;
$piechart = true;
$graphImage->drawFilledCircle( ( $width / 2 ) + 2,$margintop + 2 + ( ( $height - $margintop - $marginbottom) / 2),
( $height - $marginbottom - $margintop - 20 ) * 0.45 + 1,
200,200,200);
$graphImage->drawBasicPieGraph($graphData->GetData(),$graphData->GetDataDescription(),
$width / 2,
$margintop + ( ( $height - $margintop - $marginbottom) / 2),
( $height - $marginbottom - $margintop - 20 ) * 0.45 ,
PIE_PERCENTAGE_LABEL,
255,255,218);
break;
case "PIE3D":
$piedrawn = true;
$piechart = true;
$graphImage->drawPieGraph($graphData->GetData(),$graphData->GetDataDescription(),
$width / 2,
$margintop + ( ( $height - $margintop - $marginbottom) / 2),
( $height - $marginbottom - $margintop - 20 ) * 0.50 ,
PIE_PERCENTAGE_LABEL,
true, // enhance colors
60, // skew
20, // splice height
0, // splice distance
0 // decimals
);
break;
case "OVERLAYBAR":
case "STACKEDBAR":
case "BAR":
if ( $stackeddrawn )
break;
if ( $barexists || $overlayexists )
{
foreach ( $plot as $k1 => $v1 )
{
if ( $v1["type"] == "BAR" || $v1["type"] == "STACKEDBAR" || $v1["type"] == "OVERLAYBAR" )
{
setSerieDrawable($plot, $graphData, $v1["name"].$k1,TRUE);
}
}
}
$stackeddrawn = true;
if ( $stackedexists )
$graphImage->drawStackedBarGraph($graphData->GetData(), $graphData->GetDataDescription(), 90);
else if ( $overlayexists )
$graphImage->drawOverlayBarGraph($graphData->GetData(), $graphData->GetDataDescription(), 90);
else
$graphImage->drawBarGraph($graphData->GetData(), $graphData->GetDataDescription());
break;
case "SCATTER":
if ( $scatterdrawn )
break;
$scatterdrawn = true;
$series1 = false;
$series2 = false;
$graphImage->reportWarnings("GD");
$ct = 0;
foreach ( $plot as $k1 => $v1 )
{
if ( $v1["type"] == "SCATTER" )
{
if ( $ct == 0 ) $series1 = $v1["name"].$k1;
if ( $ct == 1 ) $series2 = $v1["name"].$k1;
$ct++;
setSerieDrawable($plot, $graphData, $v1["name"].$k1,TRUE);
}
}
if ( count($v["data"]) == 1 )
$v["data"][] = 0;
$graphImage->drawXYScale($graphData->GetData(), $graphData->GetDataDescription(), $series1, $series2,0,0,0);
//$graphImage->drawXYGraph($graphData->GetData(), $graphData->GetDataDescription(), $series1, $series2);
$graphImage->drawXYPlotGraph($graphData->GetData(), $graphData->GetDataDescription(), $series1, $series2);
$graphImage->writeValues($graphData->GetData(),$graphData->GetDataDescription(),$series2);
break;
case "LINE":
default;
if ( $linedrawn )
break;
$linedrawn = true;
foreach ( $plot as $k1 => $v1 )
{
if ( $v1["type"] == "LINE" )
{
setSerieDrawable($plot, $graphData, $v1["name"].$k1,TRUE);
}
}
if ( count($v["data"]) == 1 )
$v["data"][] = 0;
$graphImage->LineWidth = 1;
$graphImage->drawLineGraph($graphData->GetData(), $graphData->GetDataDescription());
$graphImage->drawPlotGraph($graphData->GetData(), $graphData->GetDataDescription());
$graphImage->LineWidth = 1;
break;
}
}
foreach ( $plot as $k1 => $v1 )
{
setSerieDrawable($plot, $graphData, $v1["name"].$k1,TRUE);
}
// Draw Legend if legend value has been set
$drawlegend = false;
foreach ( $plot as $k => $v )
{
if ( isset($v["legend"]) && $v["legend"] )
{
// Temporarily Dont draw legend for Pie
//if ( $piechart )
//$graphImage->drawPieLegend($width - 180,30,$graphData->GetData(), $graphData->GetDataDescription(), 250, 250, 250);
if ( !$piechart )
$graphImage->drawLegend($width - 180, 30,$graphData->GetDataDescription(), 254, 254, 254, 0, 0, 0 );
break;
}
}
$graphImage->setFontProperties(PCHARTFONTS_DIR.$xtitlefont,$titlefontsize);
$graphImage->drawTitle(0,24,$title,50,50,50,$width);
//$graphImage->setShadow(TRUE,array("X"=>0,"Y"=>0,"R"=>0,"G"=>0,"B"=>0,"Alpha"=>10));
//$graphImage->Render("example.png");
$graphImage->Stroke();
function minmaxValueOfSeries($data, &$min, &$max )
{
$min = "undef";
$max = "undef";
foreach ( $data as $v )
{
if ( $min == "undef" || $v < $min )
$min = $v;
if ( $max == "undef" || $v > $max )
$max = $v;
}
}
function disableAllSeries($plot, &$graphData)
{
foreach ( $plot as $k => $v )
{
$series = $v["name"].$k;
$graphData->RemoveSerie($series);
}
}
function setSerieDrawable($plot, $graphData, $inseries,$flag)
{
foreach ( $plot as $k => $v )
{
$series = $v["name"].$k;
if ( $inseries == $series )
{
if ( $flag )
{
$graphData->AddSerie($series);
$graphData->SetSerieName($v["legend"], $series);
}
else
$graphData->RemoveSerie($series);
}
}
}
?>
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