private static void configureLineAndShapeRenderer(
LineAndShapeRenderer renderer, ValueSource valueSource, PlotInstance plotInstance) {
ValueSourceData valueSourceData = plotInstance.getPlotData().getValueSourceData(valueSource);
int seriesCount = valueSourceData.getSeriesCount();
SeriesFormat seriesFormat = valueSource.getSeriesFormat();
DimensionConfig domainConfig = valueSource.getDomainConfig();
DimensionConfig colorDimensionConfig =
plotInstance.getCurrentPlotConfigurationClone().getDimensionConfig(PlotDimension.COLOR);
DimensionConfig shapeDimensionConfig =
plotInstance.getCurrentPlotConfigurationClone().getDimensionConfig(PlotDimension.SHAPE);
renderer.setDefaultEntityRadius(4);
// loop all series and set series format
for (int seriesIdx = 0; seriesIdx < seriesCount; ++seriesIdx) {
// configure linestyle
if (seriesFormat.getLineStyle() != LineStyle.NONE) {
renderer.setSeriesLinesVisible(seriesIdx, true);
renderer.setSeriesStroke(seriesIdx, seriesFormat.getStroke(), false);
} else {
renderer.setSeriesLinesVisible(seriesIdx, false);
}
// configure series shape if necessary
if (!SeriesFormat.calculateIndividualFormatForEachItem(domainConfig, shapeDimensionConfig)) {
if (seriesFormat.getItemShape() != ItemShape.NONE) {
renderer.setSeriesShapesVisible(seriesIdx, true);
renderer.setSeriesShape(seriesIdx, seriesFormat.getItemShape().getShape());
} else {
renderer.setSeriesShapesVisible(seriesIdx, false);
}
}
// configure series color if necessary
if (!SeriesFormat.calculateIndividualFormatForEachItem(domainConfig, colorDimensionConfig)) {
Color itemColor = seriesFormat.getItemColor();
renderer.setSeriesPaint(seriesIdx, itemColor);
}
renderer.setSeriesOutlinePaint(seriesIdx, PlotConfiguration.DEFAULT_SERIES_OUTLINE_PAINT);
renderer.setUseOutlinePaint(true);
}
}
public JFreeChart createChart(int size) {
CategoryDataset paramCategoryDataset = createDataset(size);
// 创建主题样式
StandardChartTheme standardChartTheme = new StandardChartTheme("CN");
// 设置标题字体
standardChartTheme.setExtraLargeFont(new Font("隶书", Font.BOLD, 20));
// 设置图例的字体
standardChartTheme.setRegularFont(new Font("宋书", Font.PLAIN, 12));
// 设置轴向的字体
standardChartTheme.setLargeFont(new Font("宋书", Font.PLAIN, 12));
// 应用主题样式
ChartFactory.setChartTheme(standardChartTheme);
JFreeChart localJFreeChart =
ChartFactory.createLineChart(
title, "期号", yTitle, paramCategoryDataset, PlotOrientation.VERTICAL, true, true, false);
CategoryPlot localCategoryPlot = (CategoryPlot) localJFreeChart.getPlot();
// SymbolAxis localSymbolAxis = new SymbolAxis("个数", new String[] {
// "0", "1", "2", "3", "4", "5", "6" });
// localCategoryPlot.setRangeAxis(localSymbolAxis);
ChartUtilities.applyCurrentTheme(localJFreeChart);
LineAndShapeRenderer xyitem = (LineAndShapeRenderer) localCategoryPlot.getRenderer();
CategoryPlot plot = (CategoryPlot) localJFreeChart.getPlot();
// 设置网格背景颜色
plot.setBackgroundPaint(Color.white);
// 设置网格竖线颜色
plot.setDomainGridlinePaint(Color.black);
// 设置网格横线颜色
plot.setRangeGridlinePaint(Color.black);
// 设置曲线图与xy轴的距离
plot.setAxisOffset(new RectangleInsets(0D, 0D, 0D, 0D));
NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
rangeAxis.setAutoRangeIncludesZero(true);
if ("和值".equals(type)) {
rangeAxis.setLowerBound(70);
rangeAxis.setTickUnit(new NumberTickUnit(10));
} else {
rangeAxis.setLowerBound(0);
rangeAxis.setTickUnit(new NumberTickUnit(1));
}
// rangeAxis.setUpperMargin(0.20);
// 设置曲线显示各数据点的值
xyitem.setBaseItemLabelsVisible(true);
xyitem.setBasePositiveItemLabelPosition(
new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12, TextAnchor.BASELINE_LEFT));
xyitem.setSeriesStroke(0, new BasicStroke(1.5F));
xyitem.setBaseItemLabelFont(new Font("Dialog", 1, 14));
xyitem.setSeriesShapesVisible(0, true);
plot.setRenderer(xyitem);
return localJFreeChart;
}