public void loadDataToGrafik() throws IOException {
DefaultCategoryDataset dataset = (DefaultCategoryDataset) this.generateData();
chart =
ChartFactory.createBarChart(
"Statistik Pendidikan Dosen",
"Prodi",
"Jumlah Dosen",
dataset,
PlotOrientation.HORIZONTAL,
true,
true,
false);
chart.setBackgroundPaint(new Color(0xCC, 0xFF, 0xCC));
final CategoryPlot plot = chart.getCategoryPlot();
plot.setDomainAxisLocation(AxisLocation.BOTTOM_OR_LEFT);
plot.setRangeAxisLocation(AxisLocation.TOP_OR_LEFT);
plot.getRangeAxis().setStandardTickUnits(NumberAxis.createIntegerTickUnits());
final CategoryItemRenderer renderer1 = plot.getRenderer();
renderer1.setSeriesPaint(0, Color.red);
renderer1.setSeriesPaint(1, Color.yellow);
renderer1.setSeriesPaint(2, Color.green);
BarRenderer br = (BarRenderer) renderer1;
br.setShadowVisible(false);
br.setShadowVisible(false);
BufferedImage bi = chart.createBufferedImage(900, 1500, BufferedImage.TRANSLUCENT, null);
byte[] bytes = EncoderUtil.encode(bi, ImageFormat.PNG, true);
AImage image = new AImage("Bar Chart", bytes);
chartImg.setContent(image);
btnExport.setDisabled(false);
}
protected void configurePlot(Plot plot, JRChartPlot jrPlot) {
super.configurePlot(plot, jrPlot);
if (plot instanceof CategoryPlot) {
CategoryPlot categoryPlot = (CategoryPlot) plot;
CategoryItemRenderer categoryRenderer = categoryPlot.getRenderer();
CategoryDataset categoryDataset = categoryPlot.getDataset();
if (categoryDataset != null) {
for (int i = 0; i < categoryDataset.getRowCount(); i++) {
categoryRenderer.setSeriesOutlinePaint(i, ChartThemesConstants.TRANSPARENT_PAINT);
}
}
categoryPlot.setRangeGridlinePaint(ChartThemesConstants.GRAY_PAINT_217);
categoryPlot.setRangeGridlineStroke(new BasicStroke(0.5f));
categoryPlot.setDomainGridlinesVisible(false);
categoryPlot.getDomainAxis().setCategoryLabelPositions(CategoryLabelPositions.UP_45);
} else if (plot instanceof XYPlot) {
XYPlot xyPlot = (XYPlot) plot;
XYItemRenderer xyItemRenderer = xyPlot.getRenderer();
XYDataset xyDataset = xyPlot.getDataset();
if (xyDataset != null) {
for (int i = 0; i < xyDataset.getSeriesCount(); i++) {
xyItemRenderer.setSeriesOutlinePaint(i, ChartThemesConstants.TRANSPARENT_PAINT);
}
}
xyPlot.setRangeGridlinePaint(ChartThemesConstants.GRAY_PAINT_217);
xyPlot.setRangeGridlineStroke(new BasicStroke(0.5f));
xyPlot.setDomainGridlinesVisible(false);
xyPlot.setRangeZeroBaselineVisible(true);
}
}
/** Check that setting a URL generator for a series does override the default generator. */
public void testSetSeriesURLGenerator() {
CategoryPlot plot = (CategoryPlot) this.chart.getPlot();
CategoryItemRenderer renderer = plot.getRenderer();
StandardCategoryURLGenerator url1 = new StandardCategoryURLGenerator();
renderer.setSeriesItemURLGenerator(0, url1);
CategoryURLGenerator url2 = renderer.getItemURLGenerator(0, 0);
assertTrue(url2 == url1);
}
/** Check that setting a tool tip generator for a series does override the default generator. */
public void testSetSeriesToolTipGenerator() {
CategoryPlot plot = (CategoryPlot) this.chart.getPlot();
CategoryItemRenderer renderer = plot.getRenderer();
StandardCategoryToolTipGenerator tt = new StandardCategoryToolTipGenerator();
renderer.setSeriesToolTipGenerator(0, tt);
CategoryToolTipGenerator tt2 = renderer.getToolTipGenerator(0, 0);
assertTrue(tt2 == tt);
}
protected JFreeChart createGanttChart() throws JRException {
JFreeChart jfreeChart = super.createGanttChart();
CategoryPlot categoryPlot = (CategoryPlot) jfreeChart.getPlot();
categoryPlot.getDomainAxis().setCategoryLabelPositions(CategoryLabelPositions.STANDARD);
categoryPlot.setDomainGridlinesVisible(true);
categoryPlot.setDomainGridlinePosition(CategoryAnchor.END);
categoryPlot.setDomainGridlineStroke(
new BasicStroke(
0.5f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 50, new float[] {1}, 0));
categoryPlot.setDomainGridlinePaint(ChartThemesConstants.GRAY_PAINT_217);
categoryPlot.setRangeGridlinesVisible(true);
categoryPlot.setRangeGridlineStroke(
new BasicStroke(
0.5f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 50, new float[] {1}, 0));
categoryPlot.setRangeGridlinePaint(ChartThemesConstants.GRAY_PAINT_217);
// JRBarPlot barPlot = (BarPlot)categoryPlot;
// categoryPlot.getDomainAxis().setTickLabelsVisible(
// categoryPlot.getShowTickLabels() == null ? true : barPlot.getShowTickLabels().
// true
// );
CategoryItemRenderer categoryRenderer = categoryPlot.getRenderer();
categoryRenderer.setBaseItemLabelsVisible(true);
BarRenderer barRenderer = (BarRenderer) categoryRenderer;
List seriesPaints =
(List) getDefaultValue(defaultChartPropertiesMap, ChartThemesConstants.SERIES_COLORS);
barRenderer.setSeriesPaint(0, (Paint) seriesPaints.get(3));
barRenderer.setSeriesPaint(1, (Paint) seriesPaints.get(0));
CategoryDataset categoryDataset = categoryPlot.getDataset();
if (categoryDataset != null) {
for (int i = 0; i < categoryDataset.getRowCount(); i++) {
barRenderer.setSeriesItemLabelFont(i, categoryPlot.getDomainAxis().getTickLabelFont());
barRenderer.setSeriesItemLabelsVisible(i, true);
// barRenderer.setSeriesPaint(i, GRADIENT_PAINTS[i]);
// CategoryMarker categoryMarker = new
// CategoryMarker(categoryDataset.getColumnKey(i),MARKER_COLOR, new BasicStroke(1f));
// categoryMarker.setAlpha(0.5f);
// categoryPlot.addDomainMarker(categoryMarker, Layer.BACKGROUND);
}
}
categoryPlot.setOutlinePaint(Color.DARK_GRAY);
categoryPlot.setOutlineStroke(new BasicStroke(1.5f));
categoryPlot.setOutlineVisible(true);
return jfreeChart;
}
/**
* Creates a stacked vertical bar chart with default settings.
*
* @param title the chart title.
* @param categoryAxisLabel the label for the category axis.
* @param valueAxisLabel the label for the value axis.
* @param data the dataset for the chart.
* @param legend a flag specifying whether or not a legend is required.
* @param tooltips configure chart to generate tool tips?
* @param urls configure chart to generate URLs?
* @return a stacked vertical bar chart.
*/
public static JFreeChart createStackedBarChart3D(
String title,
java.awt.Font titleFont,
String categoryAxisLabel,
String valueAxisLabel,
CategoryDataset data,
PlotOrientation orientation,
boolean legend,
boolean tooltips,
boolean urls,
CategoryURLGenerator urlGenerator) {
// create the axes...
CategoryAxis categoryAxis = new CategoryAxis3D(categoryAxisLabel);
ValueAxis valueAxis = new NumberAxis3D(valueAxisLabel);
// create the renderer...
CategoryItemRenderer renderer = new StackedBarRenderer3D();
CategoryToolTipGenerator toolTipGenerator = null;
if (tooltips) {
toolTipGenerator = new StandardCategoryToolTipGenerator();
}
if (urls) {
renderer.setItemURLGenerator(urlGenerator);
}
renderer.setToolTipGenerator(toolTipGenerator);
// create the plot...
CategoryPlot plot = new CategoryPlot(data, categoryAxis, valueAxis, renderer);
plot.setOrientation(orientation);
// create the chart...
JFreeChart chart = new JFreeChart(title, titleFont, plot, legend);
return chart;
}
/** Creates the chart below the statistics table */
private void createChart() {
mAllocCountDataSet = new DefaultCategoryDataset();
mChart =
ChartFactory.createBarChart(
null,
"Size",
"Count",
mAllocCountDataSet,
PlotOrientation.VERTICAL,
false,
true,
false);
// get the font to make a proper title. We need to convert the swt font,
// into an awt font.
Font f = mStatisticsBase.getFont();
FontData[] fData = f.getFontData();
// event though on Mac OS there could be more than one fontData, we'll only use
// the first one.
FontData firstFontData = fData[0];
java.awt.Font awtFont =
SWTUtils.toAwtFont(mStatisticsBase.getDisplay(), firstFontData, true /* ensureSameSize */);
mChart.setTitle(new TextTitle("Allocation count per size", awtFont));
Plot plot = mChart.getPlot();
if (plot instanceof CategoryPlot) {
// get the plot
CategoryPlot categoryPlot = (CategoryPlot) plot;
// set the domain axis to draw labels that are displayed even with many values.
CategoryAxis domainAxis = categoryPlot.getDomainAxis();
domainAxis.setCategoryLabelPositions(CategoryLabelPositions.DOWN_90);
CategoryItemRenderer renderer = categoryPlot.getRenderer();
renderer.setBaseToolTipGenerator(
new CategoryToolTipGenerator() {
@Override
public String generateToolTip(CategoryDataset dataset, int row, int column) {
// get the key for the size of the allocation
ByteLong columnKey = (ByteLong) dataset.getColumnKey(column);
String rowKey = (String) dataset.getRowKey(row);
Number value = dataset.getValue(rowKey, columnKey);
return String.format(
"%1$d %2$s of %3$d bytes", value.intValue(), rowKey, columnKey.getValue());
}
});
}
mChartComposite =
new ChartComposite(
mStatisticsBase,
SWT.BORDER,
mChart,
ChartComposite.DEFAULT_WIDTH,
ChartComposite.DEFAULT_HEIGHT,
ChartComposite.DEFAULT_MINIMUM_DRAW_WIDTH,
ChartComposite.DEFAULT_MINIMUM_DRAW_HEIGHT,
3000, // max draw width. We don't want it to zoom, so we put a big number
3000, // max draw height. We don't want it to zoom, so we put a big number
true, // off-screen buffer
true, // properties
true, // save
true, // print
false, // zoom
true); // tooltips
mChartComposite.setLayoutData(new GridData(GridData.FILL_BOTH));
}
public String creatchat(CategoryDataset cr, int ss) {
JFreeChart chart =
ChartFactory.createLineChart(
"先来先服务", "进程", "时间", cr, PlotOrientation.VERTICAL, true, true, false);
CategoryPlot ccc = (CategoryPlot) chart.getPlot();
// Plot plo=chart.getPlot();
// plo.setDrawingSupplier(getSupplier());
ValueAxis valueaxis = ccc.getRangeAxis(); // getRangeAxis();
// 数据为整型
valueaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
// 设定显示范围,即总是显示1-10
if (ss == 1) {
Image image;
try {
image = ImageIO.read(new File("C:/wancheng.png"));
chart.setBackgroundImage(image);
chart.setBackgroundImageAlpha(1.0f);
chart.setBorderPaint(Color.white);
ccc.setBackgroundPaint(null);
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
valueaxis.setLowerBound(-1);
valueaxis.setUpperBound(7);
} else {
valueaxis.setLowerBound(-1);
valueaxis.setUpperBound(7);
}
CategoryItemRenderer renderer = ccc.getRenderer();
renderer.setSeriesPaint(0, Color.YELLOW);
renderer.setSeriesPaint(1, Color.red);
renderer.setSeriesPaint(2, Color.green);
renderer.setSeriesPaint(3, Color.gray);
renderer.setSeriesPaint(4, Color.cyan);
renderer.setSeriesPaint(5, Color.magenta);
renderer.setSeriesPaint(6, Color.pink);
FileOutputStream fos_jpg = null;
try {
if (ss == 1) {
String chaername = "C:/jincheng.png";
fos_jpg = new FileOutputStream(chaername);
// 将报表保存为png文件
ChartUtilities.writeChartAsPNG(fos_jpg, chart, 500, 510);
return chaername;
} else {
String chaername = "C:/wancheng.png";
fos_jpg = new FileOutputStream(chaername);
// 将报表保存为png文件
ChartUtilities.writeChartAsPNG(fos_jpg, chart, 500, 510);
return chaername;
}
} catch (Exception e) {
e.printStackTrace();
return null;
} finally {
try {
fos_jpg.close();
System.out.println("create time-createTimeXYChar.");
} catch (Exception e) {
e.printStackTrace();
}
}
}