function generate_graph_image($outputfile)
{
// Create Graph Dataset and set axis attributes
$graphData = new pData();
$graphData->setYAxisName($this->ytitle);
$graphData->AddPoint($this->xlabels, "xaxis");
//$graphData->SetSerieName("xaxis","xaxis");
$graphData->SetAbsciseLabelSerie("xaxis");
$graphData->setXAxisName($this->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
$seriesadded = array();
foreach ($this->plot as $k => $v) {
$series = $v["name"] . $k;
$graphData->AddPoint($v["data"], $series);
$graphData->SetSerieName($v["legend"], $series);
$graphData->AddSerie($series);
}
/*
switch ( $this->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 ( $this->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);
$graph->xaxis->SetTickLabels($this->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();*/
$this->apply_defaults_internal();
//echo $this->width_pdf_actual.",".$this->height_pdf_actual."<BR>";
$graphImage = new pChart($this->width_pdf_actual, $this->height_pdf_actual);
/* 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 . $this->xaxisfont, $this->xaxisfontsize);
/* Define the chart area */
$graphImage->setGraphArea($this->marginleft_actual, $this->margintop_actual, $this->width_pdf_actual - $this->marginright_actual, $this->height_pdf_actual - $this->marginbottom_actual);
$graphImage->drawFilledRoundedRectangle(3, 3, $this->width_pdf_actual - 3, $this->height_pdf_actual - 3, 5, 240, 240, 240);
$graphImage->drawRoundedRectangle(1, 1, $this->width_pdf_actual - 1, $this->height_pdf_actual - 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;
$barexists = false;
foreach ($this->plot as $k => $v) {
if ($v["type"] == "OVERLAYBAR") {
$overlayexists = true;
}
if ($v["type"] == "STACKEDBAR") {
$stackedexists = true;
}
if ($v["type"] == "STACKEDBAR" || $v["type"] == "BAR") {
$barexists = true;
}
// Set plot colors
if ($v["linecolor"]) {
$graphImage->Palette[$k] = htmltorgb_pchart($v["linecolor"]);
}
$url .= "&plotlinecolor{$k}=" . $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;
$max = false;
foreach ($this->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
$scalerequired = false;
foreach ($this->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 . $this->xtitlefont, $this->xtitlefontsize);
if ($scalerequired) {
$graphImage->setGraphArea($this->marginleft_actual, $this->margintop_actual, $this->width_pdf_actual - $this->marginright, $this->height_pdf_actual - $this->marginbottom_actual);
$graphImage->drawGraphAreaGradient(240, 240, 240, -20);
// Automatic generation of x tick interval based on number of ticks
if ($this->xticklabelinterval_actual == "AUTO") {
$labct = count($this->plot[0]["data"]);
$this->xticklabelinterval_actual = floor($labct / 35) + 1;
}
if ($scalerequired == "NORMAL") {
$graphImage->drawScale($graphData->GetData(), $graphData->GetDataDescription(), $scale_drawing_mode, 0, 0, 0, TRUE, 40, FALSE, TRUE, $this->xticklabelinterval_actual, FALSE);
}
$graphImage->drawGrid(2, TRUE, 230, 230, 230, 45);
} else {
$this->marginright = 5;
$this->marginbottom = 5;
$this->marginleft = 5;
$this->marginright_actual = 5;
$this->marginbottom_actual = 5;
$this->marginleft_actual = 5;
//$this->margintop_actual = 5;
$graphImage->setGraphArea($this->marginleft, $this->margintop_actual, $this->width_pdf_actual - $this->marginright, $this->height_pdf_actual - $this->marginbottom);
$graphImage->drawGraphAreaGradient(240, 240, 240, -10);
}
// If there's a Pie chart we want to draw different legends
$piechart = false;
foreach ($this->plot as $k => $v) {
disableAllSeries($this->plot, $graphData);
$series = $v["name"] . $k;
setSerieDrawable($this->plot, $graphData, $series, TRUE);
switch ($v["type"]) {
case "PIE":
$piedrawn = true;
$piechart = true;
$graphImage->drawFilledCircle($this->width_pdf_actual / 2 + 2, $this->margintop_actual + 2 + ($this->height_pdf_actual - $this->margintop_actual - $this->marginbottom_actual) / 2, ($this->height_pdf_actual - $this->marginbottom_actual - $this->margintop_actual - 20) * 0.45 + 1, 200, 200, 200);
$graphImage->drawBasicPieGraph($graphData->GetData(), $graphData->GetDataDescription(), $this->width_pdf_actual / 2, $this->margintop_actual + ($this->height_pdf_actual - $this->margintop_actual - $this->marginbottom_actual) / 2, ($this->height_pdf_actual - $this->marginbottom_actual - $this->margintop_actual - 20) * 0.45, PIE_PERCENTAGE_LABEL, 255, 255, 218);
break;
case "PIE3D":
$piedrawn = true;
$piechart = true;
$graphImage->drawPieGraph($graphData->GetData(), $graphData->GetDataDescription(), $this->width_pdf_actual / 2, $this->margintop_actual + ($this->height_pdf_actual - $this->margintop_actual - $this->marginbottom_actual) / 2, ($this->height_pdf_actual - $this->marginbottom_actual - $this->margintop_actual - 20) * 0.5, PIE_PERCENTAGE_LABEL, true, 60, 20, 0, 0);
break;
case "OVERLAYBAR":
case "STACKEDBAR":
case "BAR":
if ($stackeddrawn) {
break;
}
if ($barexists || $overlayexists) {
foreach ($this->plot as $k1 => $v1) {
if ($v1["type"] == "BAR" || $v1["type"] == "STACKEDBAR" || $v1["type"] == "OVERLAYBAR") {
setSerieDrawable($this->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");
$ct = 0;
foreach ($this->plot as $k1 => $v1) {
if ($v1["type"] == "SCATTER") {
if ($ct == 0) {
$series1 = $v1["name"] . $k1;
}
if ($ct == 1) {
$series2 = $v1["name"] . $k1;
}
$ct++;
setSerieDrawable($this->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;
}
$linedrawn = true;
foreach ($this->plot as $k1 => $v1) {
if ($v1["type"] == "LINE") {
setSerieDrawable($this->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());
$graphImage->LineWidth = 1;
break;
}
}
foreach ($this->plot as $k1 => $v1) {
setSerieDrawable($this->plot, $graphData, $v1["name"] . $k1, TRUE);
}
// Draw Legend if legend value has been set
$drawlegend = false;
foreach ($this->plot as $k => $v) {
if (isset($v["legend"]) && $v["legend"]) {
// Temporarily Dont draw legend for Pie
//if ( $piechart )
//$graphImage->drawPieLegend($this->width_pdf_actual - 180,30,$graphData->GetData(), $graphData->GetDataDescription(), 250, 250, 250);
if (!$piechart) {
$graphImage->drawLegend($this->width_pdf_actual - 120, 30, $graphData->GetDataDescription(), 254, 254, 254, 0, 0, 0);
}
break;
}
}
$graphImage->setFontProperties(PCHARTFONTS_DIR . $this->xtitlefont, $this->titlefontsize);
$graphImage->drawTitle(0, 24, $this->title_actual, 50, 50, 50, $this->width_pdf_actual);
//$graphImage->setShadow(TRUE,array("X"=>0,"Y"=>0,"R"=>0,"G"=>0,"B"=>0,"Alpha"=>10));
//$graphImage->Render("example.png");
//$graphImage->Stroke();
$graphImage->render($outputfile);
return true;
}
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);