List of usage examples for org.jfree.chart.plot.dial DialBackground setGradientPaintTransformer
public void setGradientPaintTransformer(GradientPaintTransformer t)
GradientPaint instance used for the background paint, and sends a DialLayerChangeEvent to all registered listeners. From source file:net.sf.jasperreports.chartthemes.spring.EyeCandySixtiesChartTheme.java
@Override protected JFreeChart createDialChart() throws JRException { JRMeterPlot jrPlot = (JRMeterPlot) getPlot(); GradientPaint gp = new GradientPaint(new Point(), Color.LIGHT_GRAY, new Point(), Color.BLACK, false); GradientPaint gp2 = new GradientPaint(new Point(), Color.GRAY, new Point(), Color.BLACK); // get data for diagrams DialPlot dialPlot = new DialPlot(); //dialPlot.setView(0.0, 0.0, 1.0, 1.0); if (getDataset() != null) { dialPlot.setDataset((ValueDataset) getDataset()); }// www. j a v a 2 s. c om StandardDialFrame dialFrame = new StandardDialFrame(); //dialFrame.setRadius(0.60); //dialFrame.setBackgroundPaint(gp2); dialFrame.setForegroundPaint(gp2); dialPlot.setDialFrame(dialFrame); DialBackground db = new DialBackground(gp); db.setGradientPaintTransformer(new StandardGradientPaintTransformer(GradientPaintTransformType.VERTICAL)); dialPlot.setBackground(db); StandardDialScale scale = null; int dialUnitScale = 1; Range range = convertRange(jrPlot.getDataRange()); if (range != null) { double bound = Math.max(Math.abs(range.getUpperBound()), Math.abs(range.getLowerBound())); dialUnitScale = ChartThemesUtilities.getScale(bound); double lowerBound = ChartThemesUtilities.getTruncatedValue(range.getLowerBound(), dialUnitScale); double upperBound = ChartThemesUtilities.getTruncatedValue(range.getUpperBound(), dialUnitScale); int tickCount = jrPlot.getTickCount() != null && jrPlot.getTickCount() > 1 ? jrPlot.getTickCount() : 7; scale = new StandardDialScale(lowerBound, upperBound, 225, -270, (upperBound - lowerBound) / (tickCount - 1), 15); if ((lowerBound == (int) lowerBound && upperBound == (int) upperBound && scale.getMajorTickIncrement() == (int) scale.getMajorTickIncrement()) || dialUnitScale > 1) { scale.setTickLabelFormatter( new DecimalFormat("#,##0", DecimalFormatSymbols.getInstance(getLocale()))); } else if (dialUnitScale == 1) { scale.setTickLabelFormatter( new DecimalFormat("#,##0.0", DecimalFormatSymbols.getInstance(getLocale()))); } else if (dialUnitScale <= 0) { scale.setTickLabelFormatter( new DecimalFormat("#,##0.00", DecimalFormatSymbols.getInstance(getLocale()))); } else { // localizing the default tick label formatter scale.setTickLabelFormatter( new DecimalFormat("0.0", DecimalFormatSymbols.getInstance(getLocale()))); } } else { scale = new StandardDialScale(); // localizing the default tick label formatter scale.setTickLabelFormatter(new DecimalFormat("0.0", DecimalFormatSymbols.getInstance(getLocale()))); } scale.setTickRadius(0.9); scale.setTickLabelOffset(0.16); JRFont tickLabelFont = jrPlot.getTickLabelFont(); Integer defaultBaseFontSize = (Integer) getDefaultValue(defaultChartPropertiesMap, ChartThemesConstants.BASEFONT_SIZE); Font themeTickLabelFont = getFont( (JRFont) getDefaultValue(defaultPlotPropertiesMap, ChartThemesConstants.PLOT_TICK_LABEL_FONT), tickLabelFont, defaultBaseFontSize); scale.setTickLabelFont(themeTickLabelFont); scale.setMajorTickStroke(new BasicStroke(1f)); scale.setMinorTickStroke(new BasicStroke(0.3f)); scale.setMajorTickPaint(Color.WHITE); scale.setMinorTickPaint(Color.WHITE); scale.setTickLabelsVisible(true); scale.setFirstTickLabelVisible(true); dialPlot.addScale(0, scale); List<JRMeterInterval> intervals = jrPlot.getIntervals(); if (intervals != null && intervals.size() > 0) { int size = Math.min(3, intervals.size()); int colorStep = 0; if (size > 3) colorStep = 255 / (size - 3); for (int i = 0; i < size; i++) { JRMeterInterval interval = intervals.get(i); Range intervalRange = convertRange(interval.getDataRange()); double intervalLowerBound = ChartThemesUtilities.getTruncatedValue(intervalRange.getLowerBound(), dialUnitScale); double intervalUpperBound = ChartThemesUtilities.getTruncatedValue(intervalRange.getUpperBound(), dialUnitScale); Color color = i < 3 ? (Color) ChartThemesConstants.AEGEAN_INTERVAL_COLORS.get(i) : new Color(255 - colorStep * (i - 3), 0 + colorStep * (i - 3), 0); ScaledDialRange dialRange = new ScaledDialRange(intervalLowerBound, intervalUpperBound, interval.getBackgroundColor() == null ? color : interval.getBackgroundColor(), 12f); dialRange.setInnerRadius(0.41); dialRange.setOuterRadius(0.41); dialPlot.addLayer(dialRange); } } JRValueDisplay display = jrPlot.getValueDisplay(); String displayVisibility = display != null && getChart().hasProperties() ? getChart().getPropertiesMap().getProperty(DefaultChartTheme.PROPERTY_DIAL_VALUE_DISPLAY_VISIBLE) : "false"; if (Boolean.parseBoolean(displayVisibility)) { ScaledDialValueIndicator dvi = new ScaledDialValueIndicator(0, dialUnitScale); dvi.setBackgroundPaint(ChartThemesConstants.TRANSPARENT_PAINT); // dvi.setFont(JRFontUtil.getAwtFont(jrFont).deriveFont(10f).deriveFont(Font.BOLD)); dvi.setOutlinePaint(ChartThemesConstants.TRANSPARENT_PAINT); dvi.setPaint(Color.WHITE); String pattern = display.getMask() != null ? display.getMask() : "#,##0.####"; if (pattern != null) dvi.setNumberFormat(new DecimalFormat(pattern, DecimalFormatSymbols.getInstance(getLocale()))); dvi.setRadius(0.15); dvi.setValueAnchor(RectangleAnchor.CENTER); dvi.setTextAnchor(TextAnchor.CENTER); //dvi.setTemplateValue(Double.valueOf(getDialTickValue(dialPlot.getValue(0),dialUnitScale))); dialPlot.addLayer(dvi); } String label = getChart().hasProperties() ? getChart().getPropertiesMap().getProperty(DefaultChartTheme.PROPERTY_DIAL_LABEL) : null; if (label != null) { JRFont displayFont = jrPlot.getValueDisplay().getFont(); Font themeDisplayFont = getFont( (JRFont) getDefaultValue(defaultPlotPropertiesMap, ChartThemesConstants.PLOT_DISPLAY_FONT), displayFont, defaultBaseFontSize); if (dialUnitScale < 0) label = new MessageFormat(label) .format(new Object[] { String.valueOf(Math.pow(10, dialUnitScale)) }); else if (dialUnitScale < 3) label = new MessageFormat(label).format(new Object[] { "1" }); else label = new MessageFormat(label) .format(new Object[] { String.valueOf((int) Math.pow(10, dialUnitScale - 2)) }); String[] textLines = label.split("\\n"); for (int i = 0; i < textLines.length; i++) { DialTextAnnotation dialAnnotation = new DialTextAnnotation(textLines[i]); dialAnnotation.setFont(themeDisplayFont); dialAnnotation.setPaint(Color.WHITE); dialAnnotation.setRadius(Math.sin(Math.PI / 4.0) + i / 10.0); dialAnnotation.setAnchor(TextAnchor.CENTER); dialPlot.addLayer(dialAnnotation); } } //DialPointer needle = new DialPointer.Pointer(); Paint paint = new Color(191, 48, 0); DialPointer needle = new ScaledDialPointer(dialUnitScale, paint, paint); needle.setVisible(true); needle.setRadius(0.91); dialPlot.addLayer(needle); DialCap cap = new DialCap(); cap.setRadius(0.05); cap.setFillPaint(Color.DARK_GRAY); cap.setOutlinePaint(Color.GRAY); cap.setOutlineStroke(new BasicStroke(0.5f)); dialPlot.setCap(cap); JFreeChart jfreeChart = new JFreeChart(evaluateTextExpression(getChart().getTitleExpression()), null, dialPlot, getChart().getShowLegend() == null ? false : getChart().getShowLegend()); // Set all the generic options configureChart(jfreeChart, getPlot()); jfreeChart.setBackgroundPaint(ChartThemesConstants.TRANSPARENT_PAINT); jfreeChart.setBorderVisible(false); return jfreeChart; }