use of org.jCharts.properties.ClusteredBarChartProperties in project jmeter by apache.
the class AxisGraph method drawSample.
private void drawSample(String _title, int _maxLength, String[] _xAxisLabels, String _yAxisTitle, String[] _legendLabels, double[][] _data, int _width, int _height, Color[] _color, Font legendFont, Graphics g) {
// define max scale y axis
double max = maxYAxisScale > 0 ? maxYAxisScale : findMax(_data);
try {
/** These controls are already done in StatGraphVisualizer
if (_width == 0) {
_width = 450;
}
if (_height == 0) {
_height = 250;
}
**/
if (_maxLength < 3) {
_maxLength = 3;
}
// if the "Title of Graph" is empty, we can assume some default
if (_title.length() == 0) {
//$NON-NLS-1$
_title = JMeterUtils.getResString("aggregate_graph_title");
}
// if the labels are too long, they'll be "squeezed" to make the chart viewable.
for (int i = 0; i < _xAxisLabels.length; i++) {
String label = _xAxisLabels[i];
_xAxisLabels[i] = squeeze(label, _maxLength);
}
this.setPreferredSize(new Dimension(_width, _height));
// replace _xAxisTitle to null (don't display x axis title)
DataSeries dataSeries = new DataSeries(_xAxisLabels, null, _yAxisTitle, _title);
ClusteredBarChartProperties clusteredBarChartProperties = new ClusteredBarChartProperties();
clusteredBarChartProperties.setShowOutlinesFlag(outlinesBarFlag);
ValueLabelRenderer valueLabelRenderer = new ValueLabelRenderer(false, false, showGrouping, 0);
valueLabelRenderer.setValueLabelPosition(ValueLabelPosition.AT_TOP);
valueLabelRenderer.setValueChartFont(new ChartFont(valueFont, foreColor));
valueLabelRenderer.useVerticalLabels(valueOrientation);
clusteredBarChartProperties.addPostRenderEventListener(valueLabelRenderer);
Paint[] paints = new Paint[_color.length];
System.arraycopy(_color, 0, paints, 0, paints.length);
AxisChartDataSet axisChartDataSet = new AxisChartDataSet(_data, _legendLabels, paints, ChartType.BAR_CLUSTERED, clusteredBarChartProperties);
dataSeries.addIAxisPlotDataSet(axisChartDataSet);
ChartProperties chartProperties = new ChartProperties();
LabelAxisProperties xaxis = new LabelAxisProperties();
DataAxisProperties yaxis = new DataAxisProperties();
yaxis.setUseCommas(showGrouping);
if (legendFont != null) {
yaxis.setAxisTitleChartFont(new ChartFont(legendFont, new Color(20)));
yaxis.setScaleChartFont(new ChartFont(legendFont, new Color(20)));
xaxis.setAxisTitleChartFont(new ChartFont(legendFont, new Color(20)));
xaxis.setScaleChartFont(new ChartFont(legendFont, new Color(20)));
}
if (titleFont != null) {
chartProperties.setTitleFont(new ChartFont(titleFont, new Color(0)));
}
// Y Axis
try {
BigDecimal round = BigDecimal.valueOf(max / 1000d);
round = round.setScale(0, BigDecimal.ROUND_UP);
double topValue = round.doubleValue() * 1000;
yaxis.setUserDefinedScale(0, 500);
yaxis.setNumItems((int) (topValue / 500) + 1);
yaxis.setShowGridLines(1);
} catch (PropertyException e) {
log.warn("Chart property exception occurred.", e);
}
AxisProperties axisProperties = new AxisProperties(xaxis, yaxis);
axisProperties.setXAxisLabelsAreVertical(true);
LegendProperties legendProperties = new LegendProperties();
legendProperties.setBorderStroke(null);
legendProperties.setPlacement(legendPlacement);
legendProperties.setIconBorderPaint(Color.WHITE);
if (legendPlacement == LegendAreaProperties.RIGHT || legendPlacement == LegendAreaProperties.LEFT) {
legendProperties.setNumColumns(1);
}
if (legendFont != null) {
//new Font("SansSerif", Font.PLAIN, 10)
legendProperties.setFont(legendFont);
}
AxisChart axisChart = new AxisChart(dataSeries, chartProperties, axisProperties, legendProperties, _width, _height);
axisChart.setGraphics2D((Graphics2D) g);
axisChart.render();
} catch (ChartDataException | PropertyException e) {
log.warn("Exception occurred while rendering chart.", e);
}
}
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