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<?php
namespace PhpOffice\PhpSpreadsheet\Chart\Renderer;
use AccBarPlot;
use AccLinePlot;
use BarPlot;
use ContourPlot;
use Graph;
use GroupBarPlot;
use LinePlot;
use PhpOffice\PhpSpreadsheet\Chart\Chart;
use PhpOffice\PhpSpreadsheet\Style\NumberFormat;
use PieGraph;
use PiePlot;
use PiePlot3D;
use PiePlotC;
use RadarGraph;
use RadarPlot;
use ScatterPlot;
use Spline;
use StockPlot;
class JpGraph implements IRenderer
{
private static $width = 640;
private static $height = 480;
private static $colourSet = [
'mediumpurple1', 'palegreen3', 'gold1', 'cadetblue1',
'darkmagenta', 'coral', 'dodgerblue3', 'eggplant',
'mediumblue', 'magenta', 'sandybrown', 'cyan',
'firebrick1', 'forestgreen', 'deeppink4', 'darkolivegreen',
'goldenrod2',
];
private static $markSet;
private $chart;
private $graph;
private static $plotColour = 0;
private static $plotMark = 0;
/**
* Create a new jpgraph.
*/
public function __construct(Chart $chart)
{
self::init();
$this->graph = null;
$this->chart = $chart;
}
private static function init(): void
{
static $loaded = false;
if ($loaded) {
return;
}
\JpGraph\JpGraph::load();
\JpGraph\JpGraph::module('bar');
\JpGraph\JpGraph::module('contour');
\JpGraph\JpGraph::module('line');
\JpGraph\JpGraph::module('pie');
\JpGraph\JpGraph::module('pie3d');
\JpGraph\JpGraph::module('radar');
\JpGraph\JpGraph::module('regstat');
\JpGraph\JpGraph::module('scatter');
\JpGraph\JpGraph::module('stock');
self::$markSet = [
'diamond' => MARK_DIAMOND,
'square' => MARK_SQUARE,
'triangle' => MARK_UTRIANGLE,
'x' => MARK_X,
'star' => MARK_STAR,
'dot' => MARK_FILLEDCIRCLE,
'dash' => MARK_DTRIANGLE,
'circle' => MARK_CIRCLE,
'plus' => MARK_CROSS,
];
$loaded = true;
}
private function formatPointMarker($seriesPlot, $markerID)
{
$plotMarkKeys = array_keys(self::$markSet);
if ($markerID === null) {
// Use default plot marker (next marker in the series)
self::$plotMark %= count(self::$markSet);
$seriesPlot->mark->SetType(self::$markSet[$plotMarkKeys[self::$plotMark++]]);
} elseif ($markerID !== 'none') {
// Use specified plot marker (if it exists)
if (isset(self::$markSet[$markerID])) {
$seriesPlot->mark->SetType(self::$markSet[$markerID]);
} else {
// If the specified plot marker doesn't exist, use default plot marker (next marker in the series)
self::$plotMark %= count(self::$markSet);
$seriesPlot->mark->SetType(self::$markSet[$plotMarkKeys[self::$plotMark++]]);
}
} else {
// Hide plot marker
$seriesPlot->mark->Hide();
}
$seriesPlot->mark->SetColor(self::$colourSet[self::$plotColour]);
$seriesPlot->mark->SetFillColor(self::$colourSet[self::$plotColour]);
$seriesPlot->SetColor(self::$colourSet[self::$plotColour++]);
return $seriesPlot;
}
private function formatDataSetLabels($groupID, $datasetLabels, $labelCount, $rotation = '')
{
$datasetLabelFormatCode = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotCategoryByIndex(0)->getFormatCode();
if ($datasetLabelFormatCode !== null) {
// Retrieve any label formatting code
$datasetLabelFormatCode = stripslashes($datasetLabelFormatCode);
}
$testCurrentIndex = 0;
foreach ($datasetLabels as $i => $datasetLabel) {
if (is_array($datasetLabel)) {
if ($rotation == 'bar') {
$datasetLabels[$i] = implode(' ', $datasetLabel);
} else {
$datasetLabel = array_reverse($datasetLabel);
$datasetLabels[$i] = implode("\n", $datasetLabel);
}
} else {
// Format labels according to any formatting code
if ($datasetLabelFormatCode !== null) {
$datasetLabels[$i] = NumberFormat::toFormattedString($datasetLabel, $datasetLabelFormatCode);
}
}
++$testCurrentIndex;
}
return $datasetLabels;
}
private function percentageSumCalculation($groupID, $seriesCount)
{
$sumValues = [];
// Adjust our values to a percentage value across all series in the group
for ($i = 0; $i < $seriesCount; ++$i) {
if ($i == 0) {
$sumValues = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($i)->getDataValues();
} else {
$nextValues = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($i)->getDataValues();
foreach ($nextValues as $k => $value) {
if (isset($sumValues[$k])) {
$sumValues[$k] += $value;
} else {
$sumValues[$k] = $value;
}
}
}
}
return $sumValues;
}
private function percentageAdjustValues($dataValues, $sumValues)
{
foreach ($dataValues as $k => $dataValue) {
$dataValues[$k] = $dataValue / $sumValues[$k] * 100;
}
return $dataValues;
}
private function getCaption($captionElement)
{
// Read any caption
$caption = ($captionElement !== null) ? $captionElement->getCaption() : null;
// Test if we have a title caption to display
if ($caption !== null) {
// If we do, it could be a plain string or an array
if (is_array($caption)) {
// Implode an array to a plain string
$caption = implode('', $caption);
}
}
return $caption;
}
private function renderTitle(): void
{
$title = $this->getCaption($this->chart->getTitle());
if ($title !== null) {
$this->graph->title->Set($title);
}
}
private function renderLegend(): void
{
$legend = $this->chart->getLegend();
if ($legend !== null) {
$legendPosition = $legend->getPosition();
switch ($legendPosition) {
case 'r':
$this->graph->legend->SetPos(0.01, 0.5, 'right', 'center'); // right
$this->graph->legend->SetColumns(1);
break;
case 'l':
$this->graph->legend->SetPos(0.01, 0.5, 'left', 'center'); // left
$this->graph->legend->SetColumns(1);
break;
case 't':
$this->graph->legend->SetPos(0.5, 0.01, 'center', 'top'); // top
break;
case 'b':
$this->graph->legend->SetPos(0.5, 0.99, 'center', 'bottom'); // bottom
break;
default:
$this->graph->legend->SetPos(0.01, 0.01, 'right', 'top'); // top-right
$this->graph->legend->SetColumns(1);
break;
}
} else {
$this->graph->legend->Hide();
}
}
private function renderCartesianPlotArea($type = 'textlin'): void
{
$this->graph = new Graph(self::$width, self::$height);
$this->graph->SetScale($type);
$this->renderTitle();
// Rotate for bar rather than column chart
$rotation = $this->chart->getPlotArea()->getPlotGroupByIndex(0)->getPlotDirection();
$reverse = $rotation == 'bar';
$xAxisLabel = $this->chart->getXAxisLabel();
if ($xAxisLabel !== null) {
$title = $this->getCaption($xAxisLabel);
if ($title !== null) {
$this->graph->xaxis->SetTitle($title, 'center');
$this->graph->xaxis->title->SetMargin(35);
if ($reverse) {
$this->graph->xaxis->title->SetAngle(90);
$this->graph->xaxis->title->SetMargin(90);
}
}
}
$yAxisLabel = $this->chart->getYAxisLabel();
if ($yAxisLabel !== null) {
$title = $this->getCaption($yAxisLabel);
if ($title !== null) {
$this->graph->yaxis->SetTitle($title, 'center');
if ($reverse) {
$this->graph->yaxis->title->SetAngle(0);
$this->graph->yaxis->title->SetMargin(-55);
}
}
}
}
private function renderPiePlotArea(): void
{
$this->graph = new PieGraph(self::$width, self::$height);
$this->renderTitle();
}
private function renderRadarPlotArea(): void
{
$this->graph = new RadarGraph(self::$width, self::$height);
$this->graph->SetScale('lin');
$this->renderTitle();
}
private function renderPlotLine($groupID, $filled = false, $combination = false, $dimensions = '2d'): void
{
$grouping = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotGrouping();
$labelCount = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex(0)->getPointCount();
if ($labelCount > 0) {
$datasetLabels = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotCategoryByIndex(0)->getDataValues();
$datasetLabels = $this->formatDataSetLabels($groupID, $datasetLabels, $labelCount);
$this->graph->xaxis->SetTickLabels($datasetLabels);
}
$seriesCount = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotSeriesCount();
$seriesPlots = [];
if ($grouping == 'percentStacked') {
$sumValues = $this->percentageSumCalculation($groupID, $seriesCount);
}
// Loop through each data series in turn
for ($i = 0; $i < $seriesCount; ++$i) {
$dataValues = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($i)->getDataValues();
$marker = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($i)->getPointMarker();
if ($grouping == 'percentStacked') {
$dataValues = $this->percentageAdjustValues($dataValues, $sumValues);
}
// Fill in any missing values in the $dataValues array
$testCurrentIndex = 0;
foreach ($dataValues as $k => $dataValue) {
while ($k != $testCurrentIndex) {
$dataValues[$testCurrentIndex] = null;
++$testCurrentIndex;
}
++$testCurrentIndex;
}
$seriesPlot = new LinePlot($dataValues);
if ($combination) {
$seriesPlot->SetBarCenter();
}
if ($filled) {
$seriesPlot->SetFilled(true);
$seriesPlot->SetColor('black');
$seriesPlot->SetFillColor(self::$colourSet[self::$plotColour++]);
} else {
// Set the appropriate plot marker
$this->formatPointMarker($seriesPlot, $marker);
}
$dataLabel = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotLabelByIndex($i)->getDataValue();
$seriesPlot->SetLegend($dataLabel);
$seriesPlots[] = $seriesPlot;
}
if ($grouping == 'standard') {
$groupPlot = $seriesPlots;
} else {
$groupPlot = new AccLinePlot($seriesPlots);
}
$this->graph->Add($groupPlot);
}
private function renderPlotBar($groupID, $dimensions = '2d'): void
{
$rotation = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotDirection();
// Rotate for bar rather than column chart
if (($groupID == 0) && ($rotation == 'bar')) {
$this->graph->Set90AndMargin();
}
$grouping = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotGrouping();
$labelCount = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex(0)->getPointCount();
if ($labelCount > 0) {
$datasetLabels = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotCategoryByIndex(0)->getDataValues();
$datasetLabels = $this->formatDataSetLabels($groupID, $datasetLabels, $labelCount, $rotation);
// Rotate for bar rather than column chart
if ($rotation == 'bar') {
$datasetLabels = array_reverse($datasetLabels);
$this->graph->yaxis->SetPos('max');
$this->graph->yaxis->SetLabelAlign('center', 'top');
$this->graph->yaxis->SetLabelSide(SIDE_RIGHT);
}
$this->graph->xaxis->SetTickLabels($datasetLabels);
}
$seriesCount = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotSeriesCount();
$seriesPlots = [];
if ($grouping == 'percentStacked') {
$sumValues = $this->percentageSumCalculation($groupID, $seriesCount);
}
// Loop through each data series in turn
for ($j = 0; $j < $seriesCount; ++$j) {
$dataValues = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($j)->getDataValues();
if ($grouping == 'percentStacked') {
$dataValues = $this->percentageAdjustValues($dataValues, $sumValues);
}
// Fill in any missing values in the $dataValues array
$testCurrentIndex = 0;
foreach ($dataValues as $k => $dataValue) {
while ($k != $testCurrentIndex) {
$dataValues[$testCurrentIndex] = null;
++$testCurrentIndex;
}
++$testCurrentIndex;
}
// Reverse the $dataValues order for bar rather than column chart
if ($rotation == 'bar') {
$dataValues = array_reverse($dataValues);
}
$seriesPlot = new BarPlot($dataValues);
$seriesPlot->SetColor('black');
$seriesPlot->SetFillColor(self::$colourSet[self::$plotColour++]);
if ($dimensions == '3d') {
$seriesPlot->SetShadow();
}
if (!$this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotLabelByIndex($j)) {
$dataLabel = '';
} else {
$dataLabel = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotLabelByIndex($j)->getDataValue();
}
$seriesPlot->SetLegend($dataLabel);
$seriesPlots[] = $seriesPlot;
}
// Reverse the plot order for bar rather than column chart
if (($rotation == 'bar') && ($grouping != 'percentStacked')) {
$seriesPlots = array_reverse($seriesPlots);
}
if ($grouping == 'clustered') {
$groupPlot = new GroupBarPlot($seriesPlots);
} elseif ($grouping == 'standard') {
$groupPlot = new GroupBarPlot($seriesPlots);
} else {
$groupPlot = new AccBarPlot($seriesPlots);
if ($dimensions == '3d') {
$groupPlot->SetShadow();
}
}
$this->graph->Add($groupPlot);
}
private function renderPlotScatter($groupID, $bubble): void
{
$grouping = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotGrouping();
$scatterStyle = $bubbleSize = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotStyle();
$seriesCount = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotSeriesCount();
$seriesPlots = [];
// Loop through each data series in turn
for ($i = 0; $i < $seriesCount; ++$i) {
$dataValuesY = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotCategoryByIndex($i)->getDataValues();
$dataValuesX = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($i)->getDataValues();
foreach ($dataValuesY as $k => $dataValueY) {
$dataValuesY[$k] = $k;
}
$seriesPlot = new ScatterPlot($dataValuesX, $dataValuesY);
if ($scatterStyle == 'lineMarker') {
$seriesPlot->SetLinkPoints();
$seriesPlot->link->SetColor(self::$colourSet[self::$plotColour]);
} elseif ($scatterStyle == 'smoothMarker') {
$spline = new Spline($dataValuesY, $dataValuesX);
[$splineDataY, $splineDataX] = $spline->Get(count($dataValuesX) * self::$width / 20);
$lplot = new LinePlot($splineDataX, $splineDataY);
$lplot->SetColor(self::$colourSet[self::$plotColour]);
$this->graph->Add($lplot);
}
if ($bubble) {
$this->formatPointMarker($seriesPlot, 'dot');
$seriesPlot->mark->SetColor('black');
$seriesPlot->mark->SetSize($bubbleSize);
} else {
$marker = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($i)->getPointMarker();
$this->formatPointMarker($seriesPlot, $marker);
}
$dataLabel = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotLabelByIndex($i)->getDataValue();
$seriesPlot->SetLegend($dataLabel);
$this->graph->Add($seriesPlot);
}
}
private function renderPlotRadar($groupID): void
{
$radarStyle = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotStyle();
$seriesCount = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotSeriesCount();
$seriesPlots = [];
// Loop through each data series in turn
for ($i = 0; $i < $seriesCount; ++$i) {
$dataValuesY = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotCategoryByIndex($i)->getDataValues();
$dataValuesX = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($i)->getDataValues();
$marker = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($i)->getPointMarker();
$dataValues = [];
foreach ($dataValuesY as $k => $dataValueY) {
$dataValues[$k] = implode(' ', array_reverse($dataValueY));
}
$tmp = array_shift($dataValues);
$dataValues[] = $tmp;
$tmp = array_shift($dataValuesX);
$dataValuesX[] = $tmp;
$this->graph->SetTitles(array_reverse($dataValues));
$seriesPlot = new RadarPlot(array_reverse($dataValuesX));
$dataLabel = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotLabelByIndex($i)->getDataValue();
$seriesPlot->SetColor(self::$colourSet[self::$plotColour++]);
if ($radarStyle == 'filled') {
$seriesPlot->SetFillColor(self::$colourSet[self::$plotColour]);
}
$this->formatPointMarker($seriesPlot, $marker);
$seriesPlot->SetLegend($dataLabel);
$this->graph->Add($seriesPlot);
}
}
private function renderPlotContour($groupID): void
{
$contourStyle = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotStyle();
$seriesCount = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotSeriesCount();
$seriesPlots = [];
$dataValues = [];
// Loop through each data series in turn
for ($i = 0; $i < $seriesCount; ++$i) {
$dataValuesY = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotCategoryByIndex($i)->getDataValues();
$dataValuesX = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($i)->getDataValues();
$dataValues[$i] = $dataValuesX;
}
$seriesPlot = new ContourPlot($dataValues);
$this->graph->Add($seriesPlot);
}
private function renderPlotStock($groupID): void
{
$seriesCount = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotSeriesCount();
$plotOrder = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotOrder();
$dataValues = [];
// Loop through each data series in turn and build the plot arrays
foreach ($plotOrder as $i => $v) {
$dataValuesX = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($v)->getDataValues();
foreach ($dataValuesX as $j => $dataValueX) {
$dataValues[$plotOrder[$i]][$j] = $dataValueX;
}
}
if (empty($dataValues)) {
return;
}
$dataValuesPlot = [];
// Flatten the plot arrays to a single dimensional array to work with jpgraph
$jMax = count($dataValues[0]);
for ($j = 0; $j < $jMax; ++$j) {
for ($i = 0; $i < $seriesCount; ++$i) {
$dataValuesPlot[] = $dataValues[$i][$j];
}
}
// Set the x-axis labels
$labelCount = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex(0)->getPointCount();
if ($labelCount > 0) {
$datasetLabels = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotCategoryByIndex(0)->getDataValues();
$datasetLabels = $this->formatDataSetLabels($groupID, $datasetLabels, $labelCount);
$this->graph->xaxis->SetTickLabels($datasetLabels);
}
$seriesPlot = new StockPlot($dataValuesPlot);
$seriesPlot->SetWidth(20);
$this->graph->Add($seriesPlot);
}
private function renderAreaChart($groupCount, $dimensions = '2d'): void
{
$this->renderCartesianPlotArea();
for ($i = 0; $i < $groupCount; ++$i) {
$this->renderPlotLine($i, true, false, $dimensions);
}
}
private function renderLineChart($groupCount, $dimensions = '2d'): void
{
$this->renderCartesianPlotArea();
for ($i = 0; $i < $groupCount; ++$i) {
$this->renderPlotLine($i, false, false, $dimensions);
}
}
private function renderBarChart($groupCount, $dimensions = '2d'): void
{
$this->renderCartesianPlotArea();
for ($i = 0; $i < $groupCount; ++$i) {
$this->renderPlotBar($i, $dimensions);
}
}
private function renderScatterChart($groupCount): void
{
$this->renderCartesianPlotArea('linlin');
for ($i = 0; $i < $groupCount; ++$i) {
$this->renderPlotScatter($i, false);
}
}
private function renderBubbleChart($groupCount): void
{
$this->renderCartesianPlotArea('linlin');
for ($i = 0; $i < $groupCount; ++$i) {
$this->renderPlotScatter($i, true);
}
}
private function renderPieChart($groupCount, $dimensions = '2d', $doughnut = false, $multiplePlots = false): void
{
$this->renderPiePlotArea();
$iLimit = ($multiplePlots) ? $groupCount : 1;
for ($groupID = 0; $groupID < $iLimit; ++$groupID) {
$grouping = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotGrouping();
$exploded = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotStyle();
$datasetLabels = [];
if ($groupID == 0) {
$labelCount = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex(0)->getPointCount();
if ($labelCount > 0) {
$datasetLabels = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotCategoryByIndex(0)->getDataValues();
$datasetLabels = $this->formatDataSetLabels($groupID, $datasetLabels, $labelCount);
}
}
$seriesCount = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotSeriesCount();
$seriesPlots = [];
// For pie charts, we only display the first series: doughnut charts generally display all series
$jLimit = ($multiplePlots) ? $seriesCount : 1;
// Loop through each data series in turn
for ($j = 0; $j < $jLimit; ++$j) {
$dataValues = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($j)->getDataValues();
// Fill in any missing values in the $dataValues array
$testCurrentIndex = 0;
foreach ($dataValues as $k => $dataValue) {
while ($k != $testCurrentIndex) {
$dataValues[$testCurrentIndex] = null;
++$testCurrentIndex;
}
++$testCurrentIndex;
}
if ($dimensions == '3d') {
$seriesPlot = new PiePlot3D($dataValues);
} else {
if ($doughnut) {
$seriesPlot = new PiePlotC($dataValues);
} else {
$seriesPlot = new PiePlot($dataValues);
}
}
if ($multiplePlots) {
$seriesPlot->SetSize(($jLimit - $j) / ($jLimit * 4));
}
if ($doughnut) {
$seriesPlot->SetMidColor('white');
}
$seriesPlot->SetColor(self::$colourSet[self::$plotColour++]);
if (count($datasetLabels) > 0) {
$seriesPlot->SetLabels(array_fill(0, count($datasetLabels), ''));
}
if ($dimensions != '3d') {
$seriesPlot->SetGuideLines(false);
}
if ($j == 0) {
if ($exploded) {
$seriesPlot->ExplodeAll();
}
$seriesPlot->SetLegends($datasetLabels);
}
$this->graph->Add($seriesPlot);
}
}
}
private function renderRadarChart($groupCount): void
{
$this->renderRadarPlotArea();
for ($groupID = 0; $groupID < $groupCount; ++$groupID) {
$this->renderPlotRadar($groupID);
}
}
private function renderStockChart($groupCount): void
{
$this->renderCartesianPlotArea('intint');
for ($groupID = 0; $groupID < $groupCount; ++$groupID) {
$this->renderPlotStock($groupID);
}
}
private function renderContourChart($groupCount, $dimensions): void
{
$this->renderCartesianPlotArea('intint');
for ($i = 0; $i < $groupCount; ++$i) {
$this->renderPlotContour($i);
}
}
private function renderCombinationChart($groupCount, $dimensions, $outputDestination)
{
$this->renderCartesianPlotArea();
for ($i = 0; $i < $groupCount; ++$i) {
$dimensions = null;
$chartType = $this->chart->getPlotArea()->getPlotGroupByIndex($i)->getPlotType();
switch ($chartType) {
case 'area3DChart':
$dimensions = '3d';
// no break
case 'areaChart':
$this->renderPlotLine($i, true, true, $dimensions);
break;
case 'bar3DChart':
$dimensions = '3d';
// no break
case 'barChart':
$this->renderPlotBar($i, $dimensions);
break;
case 'line3DChart':
$dimensions = '3d';
// no break
case 'lineChart':
$this->renderPlotLine($i, false, true, $dimensions);
break;
case 'scatterChart':
$this->renderPlotScatter($i, false);
break;
case 'bubbleChart':
$this->renderPlotScatter($i, true);
break;
default:
$this->graph = null;
return false;
}
}
$this->renderLegend();
$this->graph->Stroke($outputDestination);
return true;
}
public function render($outputDestination)
{
self::$plotColour = 0;
$groupCount = $this->chart->getPlotArea()->getPlotGroupCount();
$dimensions = null;
if ($groupCount == 1) {
$chartType = $this->chart->getPlotArea()->getPlotGroupByIndex(0)->getPlotType();
} else {
$chartTypes = [];
for ($i = 0; $i < $groupCount; ++$i) {
$chartTypes[] = $this->chart->getPlotArea()->getPlotGroupByIndex($i)->getPlotType();
}
$chartTypes = array_unique($chartTypes);
if (count($chartTypes) == 1) {
$chartType = array_pop($chartTypes);
} elseif (count($chartTypes) == 0) {
echo 'Chart is not yet implemented<br />';
return false;
} else {
return $this->renderCombinationChart($groupCount, $dimensions, $outputDestination);
}
}
switch ($chartType) {
case 'area3DChart':
$dimensions = '3d';
// no break
case 'areaChart':
$this->renderAreaChart($groupCount, $dimensions);
break;
case 'bar3DChart':
$dimensions = '3d';
// no break
case 'barChart':
$this->renderBarChart($groupCount, $dimensions);
break;
case 'line3DChart':
$dimensions = '3d';
// no break
case 'lineChart':
$this->renderLineChart($groupCount, $dimensions);
break;
case 'pie3DChart':
$dimensions = '3d';
// no break
case 'pieChart':
$this->renderPieChart($groupCount, $dimensions, false, false);
break;
case 'doughnut3DChart':
$dimensions = '3d';
// no break
case 'doughnutChart':
$this->renderPieChart($groupCount, $dimensions, true, true);
break;
case 'scatterChart':
$this->renderScatterChart($groupCount);
break;
case 'bubbleChart':
$this->renderBubbleChart($groupCount);
break;
case 'radarChart':
$this->renderRadarChart($groupCount);
break;
case 'surface3DChart':
$dimensions = '3d';
// no break
case 'surfaceChart':
$this->renderContourChart($groupCount, $dimensions);
break;
case 'stockChart':
$this->renderStockChart($groupCount);
break;
default:
echo $chartType . ' is not yet implemented<br />';
return false;
}
$this->renderLegend();
$this->graph->Stroke($outputDestination);
return true;
}
}
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