Example usage for java.awt GradientPaint GradientPaint

List of usage examples for java.awt GradientPaint GradientPaint

Introduction

In this page you can find the example usage for java.awt GradientPaint GradientPaint.

Prototype

@ConstructorProperties({ "point1", "color1", "point2", "color2", "cyclic" })
public GradientPaint(Point2D pt1, Color color1, Point2D pt2, Color color2, boolean cyclic) 

Source Link

Document

Constructs either a cyclic or acyclic GradientPaint object depending on the boolean parameter.

Usage

From source file:MainClass.java

public void paint(Graphics g) {
    Graphics2D g2D = (Graphics2D) g;

    Point2D.Float p1 = new Point2D.Float(150.f, 75.f);
    Point2D.Float p2 = new Point2D.Float(250.f, 75.f);
    float width = 300;
    float height = 50;
    GradientPaint g1 = new GradientPaint(p1, Color.WHITE, p2, Color.DARK_GRAY, true);
    Rectangle2D.Float rect1 = new Rectangle2D.Float(p1.x - 100, p1.y - 25, width, height);
    g2D.setPaint(g1);//from  w  w w.  jav  a  2s. com
    g2D.fill(rect1);
    g2D.setPaint(Color.BLACK);
    g2D.draw(rect1);
    g2D.draw(new Line2D.Float(p1, p2));

}

From source file:MainClass.java

public void paint(Graphics g) {
    Graphics2D g2D = (Graphics2D) g;

    Point2D.Float p1 = new Point2D.Float(150.f, 75.f);
    Point2D.Float p2 = new Point2D.Float(250.f, 75.f);
    float width = 300;
    float height = 50;
    GradientPaint g1 = new GradientPaint(p1, Color.WHITE, p2, Color.DARK_GRAY, true);
    Rectangle2D.Float rect1 = new Rectangle2D.Float(p1.x - 100, p1.y - 25, width, height);
    g2D.setPaint(g1);//from  ww  w  .  ja v  a 2  s .  c om
    g2D.fill(rect1);
    g2D.setPaint(Color.BLACK);
    g2D.draw(rect1);
    g2D.draw(new Line2D.Float(p1, p2));
    g2D.drawString("Cyclic Gradient Paint", p1.x - 100, p1.y - 50);
    g2D.drawString("p1", p1.x - 20, p1.y);
    g2D.drawString("p2", p2.x + 10, p2.y);

    p1.setLocation(150, 200);
    p2.setLocation(250, 200);
    GradientPaint g2 = new GradientPaint(p1, Color.WHITE, p2, Color.DARK_GRAY, false);
    rect1.setRect(p1.x - 100, p1.y - 25, width, height);
    g2D.setPaint(g2);
    g2D.fill(rect1);
    g2D.setPaint(Color.BLACK);
    g2D.draw(rect1);
    g2D.draw(new Line2D.Float(p1, p2));
    g2D.drawString("Acyclic Gradient Paint", p1.x - 100, p1.y - 50);
    g2D.drawString("p1", p1.x - 20, p1.y);
    g2D.drawString("p2", p2.x + 10, p2.y);
}

From source file:GradientPane.java

public void paint(Graphics g) {
    Graphics2D g2D = (Graphics2D) g;
    Point2D.Float p1 = new Point2D.Float(150.f, 75.f); // Gradient line start
    Point2D.Float p2 = new Point2D.Float(250.f, 75.f); // Gradient line end
    float width = 300;
    float height = 50;
    Rectangle2D.Float rect1 = new Rectangle2D.Float(p1.x - 100, p1.y - 25, width, height);
    GradientPaint g2 = new GradientPaint(p1, Color.WHITE, p2, Color.DARK_GRAY, false); // Acyclic
                                                                                       // gradient
    rect1.setRect(p1.x - 100, p1.y - 25, width, height);
    g2D.setPaint(g2); // Gradient color fill
    g2D.fill(rect1); // Fill the rectangle
    g2D.setPaint(Color.BLACK); // Outline in black
    g2D.draw(rect1); // Fill the rectangle
    g2D.draw(new Line2D.Float(p1, p2));
}

From source file:com.openbravo.pos.util.ThumbNailBuilder.java

public Image getThumbNailText(Image img, String text) {
    /*/*from w  w w.java  2s  .  co m*/
     * Create an image containing a thumbnail of the product image,
     * or default image.
     * 
     * Then apply the text of the product name. Use text wrapping.
     * 
     * If the product name is too big for the label, ensure that
     * the first part is displayed.
     */

    img = getThumbNail(img);

    BufferedImage imgtext = new BufferedImage(img.getWidth(null), img.getHeight(null),
            BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2d = imgtext.createGraphics();

    // The text
    // <p style="width: 100px"> DOES NOT WORK PROPERLY.
    // use width= instead.
    String html = "<html><p style=\"text-align:center\" width=\"" + imgtext.getWidth() + "\">"
            + StringEscapeUtils.escapeHtml(text) + "</p>";

    JLabel label = new JLabel(html);
    label.setOpaque(false);
    //label.setText("<html><center>Line1<br>Line2");
    label.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
    label.setVerticalAlignment(javax.swing.SwingConstants.TOP);
    Dimension d = label.getPreferredSize();
    label.setBounds(0, 0, imgtext.getWidth(), d.height);

    // The background
    Color c1 = new Color(0xff, 0xff, 0xff, 0x40);
    Color c2 = new Color(0xff, 0xff, 0xff, 0xd0);

    //        Point2D center = new Point2D.Float(imgtext.getWidth() / 2, label.getHeight());
    //        float radius = imgtext.getWidth() / 3;
    //        float[] dist = {0.1f, 1.0f};
    //        Color[] colors = {c2, c1};        
    //        Paint gpaint = new RadialGradientPaint(center, radius, dist, colors);
    Paint gpaint = new GradientPaint(new Point(0, 0), c1, new Point(label.getWidth() / 2, 0), c2, true);

    g2d.drawImage(img, 0, 0, null);
    int ypos = imgtext.getHeight() - label.getHeight();
    int ypos_min = -4; // todo: configurable
    if (ypos < ypos_min)
        ypos = ypos_min; // Clamp label
    g2d.translate(0, ypos);
    g2d.setPaint(gpaint);
    g2d.fillRect(0, 0, imgtext.getWidth(), label.getHeight());
    label.paint(g2d);

    g2d.dispose();

    return imgtext;
}

From source file:PaintUtils.java

/** Resizes a gradient to fill the width and height available. If the
 * gradient is left to right it will be resized to fill the entire width.
 * If the gradient is top to bottom it will be resized to fill the entire
 * height. If the gradient is on an angle it will be resized to go from
 * one corner to the other of the rectangle formed by (0,0 -> width,height).
 *
 * This method can resize java.awt.GradientPaint, java.awt.LinearGradientPaint,
 * and the LinearGradientPaint implementation from Apache's Batik project. Note,
 * this method does not require the MultipleGradientPaint.jar from Apache to
 * compile or to run. MultipleGradientPaint.jar *is* required if you want
 * to resize the LinearGradientPaint from that jar.
 *
 * Any paint passed into this method which is not a kind of gradient paint (like
 * a Color or TexturePaint) will be returned unmodified. It will not throw
 * an exception. If the gradient cannot be resized due to other errors the
 * original paint will be returned unmodified. It will not throw an
 * exception.//  w  ww  .  j  av a  2  s.  c o m
 *
 */
public static Paint resizeGradient(Paint p, int width, int height) {
    if (p == null)
        return p;

    if (p instanceof GradientPaint) {
        GradientPaint gp = (GradientPaint) p;
        Point2D[] pts = new Point2D[2];
        pts[0] = gp.getPoint1();
        pts[1] = gp.getPoint2();
        pts = adjustPoints(pts, width, height);
        return new GradientPaint(pts[0], gp.getColor1(), pts[1], gp.getColor2(), gp.isCyclic());
    }

    if ("java.awt.LinearGradientPaint".equals(p.getClass().getName())
            || "org.apache.batik.ext.awt.LinearGradientPaint".equals(p.getClass().getName())) {
        return resizeLinearGradient(p, width, height);
    }
    return p;
}

From source file:net.sourceforge.processdash.ev.ui.chart.RangeXYItemRenderer.java

private void drawItemRangeGradient(Graphics2D g2, Line2D line, Paint paint, Stroke stroke, double x2, double y2,
        double x3, double y3) {
    Line2D edge1, edge2, mainLine;
    Polygon fillArea;// w  ww . ja  v a  2s.  c o  m
    Stroke mainLineStroke, edgeLineStroke;
    Paint mainLinePaint, edgeLinePaint, fillPaint;

    double x0 = line.getX1();
    double y0 = line.getY1();
    double x1 = line.getX2();
    double y1 = line.getY2();

    mainLine = new Line2D.Double(x0, y0, x1, y1);
    edge1 = new Line2D.Double(x0, y0, x2, y2);
    edge2 = new Line2D.Double(x0, y0, x3, y3);
    fillArea = new Polygon();
    fillArea.addPoint((int) Math.round(x0), (int) Math.round(y0));
    fillArea.addPoint((int) Math.round(x2), (int) Math.round(y2));
    fillArea.addPoint((int) Math.round(x3), (int) Math.round(y3));

    mainLinePaint = paint;
    if (mainLinePaint instanceof Color) {
        Color c = (Color) mainLinePaint;
        Color dark = transp(c, calcAlpha(c));
        Color light = transp(c, 0.01);
        edgeLinePaint = fillPaint = c;
        try {
            fillPaint = new GradientPaint(gradientStart(x0, y0, x1, y1, x2, y2, x3, y3), light,
                    new Point2D.Double(x1, y1), dark, true);
        } catch (Exception e) {
        }
    } else {
        edgeLinePaint = fillPaint = mainLinePaint;
    }

    if (stroke instanceof BasicStroke) {
        float lineWidth = ((BasicStroke) stroke).getLineWidth();
        edgeLineStroke = new BasicStroke(lineWidth / 4);
        mainLineStroke = new BasicStroke(lineWidth * 2);
    } else {
        mainLineStroke = edgeLineStroke = stroke;
    }

    g2.setPaint(fillPaint);
    g2.fill(fillArea);
    g2.fill(fillArea);

    g2.setStroke(edgeLineStroke);
    g2.setPaint(edgeLinePaint);
    g2.draw(edge1);
    g2.draw(edge2);

    g2.setStroke(mainLineStroke);
    g2.setPaint(mainLinePaint);
    g2.draw(mainLine);
}

From source file:net.sf.fspdfs.chartthemes.spring.AegeanChartTheme.java

/**
 *
 *///  w w w .j ava 2s.  c om
protected JFreeChart createMeterChart() throws JRException {
    // Start by creating the plot that will hold the meter
    MeterPlot chartPlot = new MeterPlot((ValueDataset) getDataset());
    JRMeterPlot jrPlot = (JRMeterPlot) getPlot();

    // Set the shape
    MeterShapeEnum shape = jrPlot.getShapeValue() == null ? MeterShapeEnum.DIAL : jrPlot.getShapeValue();

    switch (shape) {
    case CHORD:
        chartPlot.setDialShape(DialShape.CHORD);
        break;
    case PIE:
        chartPlot.setDialShape(DialShape.PIE);
        break;
    case CIRCLE:
        chartPlot.setDialShape(DialShape.CIRCLE);
        break;
    case DIAL:
    default:
        return createDialChart();
    }

    chartPlot.setDialOutlinePaint(Color.BLACK);
    int meterAngle = jrPlot.getMeterAngleInteger() == null ? 180 : jrPlot.getMeterAngleInteger().intValue();
    // Set the size of the meter
    chartPlot.setMeterAngle(meterAngle);

    // Set the spacing between ticks.  I hate the name "tickSize" since to me it
    // implies I am changing the size of the tick, not the spacing between them.
    double tickInterval = jrPlot.getTickIntervalDouble() == null ? 10.0
            : jrPlot.getTickIntervalDouble().doubleValue();
    chartPlot.setTickSize(tickInterval);

    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);
    chartPlot.setTickLabelFont(themeTickLabelFont);

    Color tickColor = jrPlot.getTickColor() == null ? Color.BLACK : jrPlot.getTickColor();
    chartPlot.setTickPaint(tickColor);
    int dialUnitScale = 1;
    Range range = convertRange(jrPlot.getDataRange());
    if (range != null) {
        // Set the meter's range
        chartPlot.setRange(range);
        double bound = Math.max(Math.abs(range.getUpperBound()), Math.abs(range.getLowerBound()));
        dialUnitScale = ChartThemesUtilities.getScale(bound);
        if ((range.getLowerBound() == (int) range.getLowerBound()
                && range.getUpperBound() == (int) range.getUpperBound() && tickInterval == (int) tickInterval)
                || dialUnitScale > 1) {
            chartPlot.setTickLabelFormat(new DecimalFormat("#,##0"));
        } else if (dialUnitScale == 1) {
            chartPlot.setTickLabelFormat(new DecimalFormat("#,##0.0"));
        } else if (dialUnitScale <= 0) {
            chartPlot.setTickLabelFormat(new DecimalFormat("#,##0.00"));
        }
    }
    chartPlot.setTickLabelsVisible(true);

    // Set all the colors we support
    Paint backgroundPaint = jrPlot.getOwnBackcolor() == null ? ChartThemesConstants.TRANSPARENT_PAINT
            : jrPlot.getOwnBackcolor();
    chartPlot.setBackgroundPaint(backgroundPaint);

    GradientPaint gp = new GradientPaint(new Point(), Color.LIGHT_GRAY, new Point(), Color.BLACK, false);

    if (jrPlot.getMeterBackgroundColor() != null) {
        chartPlot.setDialBackgroundPaint(jrPlot.getMeterBackgroundColor());
    } else {
        chartPlot.setDialBackgroundPaint(gp);
    }
    //chartPlot.setForegroundAlpha(1f);
    Paint needlePaint = jrPlot.getNeedleColor() == null ? new Color(191, 48, 0) : jrPlot.getNeedleColor();
    chartPlot.setNeedlePaint(needlePaint);

    JRValueDisplay display = jrPlot.getValueDisplay();
    if (display != null) {
        Color valueColor = display.getColor() == null ? Color.BLACK : display.getColor();
        chartPlot.setValuePaint(valueColor);
        String pattern = display.getMask() != null ? display.getMask() : "#,##0.####";
        if (pattern != null)
            chartPlot.setTickLabelFormat(new DecimalFormat(pattern));
        JRFont displayFont = display.getFont();
        Font themeDisplayFont = getFont(
                (JRFont) getDefaultValue(defaultPlotPropertiesMap, ChartThemesConstants.PLOT_DISPLAY_FONT),
                displayFont, defaultBaseFontSize);

        if (themeDisplayFont != null) {
            chartPlot.setValueFont(themeDisplayFont);
        }
    }
    String label = getChart().hasProperties()
            ? getChart().getPropertiesMap().getProperty(DefaultChartTheme.PROPERTY_DIAL_LABEL)
            : null;

    if (label != null) {
        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)) });

    }

    // Set the units - this is just a string that will be shown next to the
    // value
    String units = jrPlot.getUnits() == null ? label : jrPlot.getUnits();
    if (units != null && units.length() > 0)
        chartPlot.setUnits(units);

    chartPlot.setTickPaint(Color.BLACK);

    // Now define all of the intervals, setting their range and color
    List 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 = (JRMeterInterval) intervals.get(i);
            Color color = i < 3 ? (Color) ChartThemesConstants.AEGEAN_INTERVAL_COLORS.get(i)
                    : new Color(255 - colorStep * (i - 3), 0 + colorStep * (i - 3), 0);

            interval.setBackgroundColor(color);
            interval.setAlpha(new Double(1.0));
            chartPlot.addInterval(convertInterval(interval));
        }
    }

    // Actually create the chart around the plot
    JFreeChart jfreeChart = new JFreeChart((String) evaluateExpression(getChart().getTitleExpression()), null,
            chartPlot, getChart().getShowLegend() == null ? false : getChart().getShowLegend().booleanValue());

    // Set all the generic options
    configureChart(jfreeChart, getPlot());

    return jfreeChart;

}

From source file:net.sf.jasperreports.chartthemes.spring.AegeanChartTheme.java

@Override
protected JFreeChart createMeterChart() throws JRException {
    // Start by creating the plot that will hold the meter
    MeterPlot chartPlot = new MeterPlot((ValueDataset) getDataset());
    JRMeterPlot jrPlot = (JRMeterPlot) getPlot();

    // Set the shape
    MeterShapeEnum shape = jrPlot.getShapeValue() == null ? MeterShapeEnum.DIAL : jrPlot.getShapeValue();

    switch (shape) {
    case CHORD:/* ww  w .j a  v  a 2  s . c o  m*/
        chartPlot.setDialShape(DialShape.CHORD);
        break;
    case PIE:
        chartPlot.setDialShape(DialShape.PIE);
        break;
    case CIRCLE:
        chartPlot.setDialShape(DialShape.CIRCLE);
        break;
    case DIAL:
    default:
        return createDialChart();
    }

    chartPlot.setDialOutlinePaint(Color.BLACK);
    int meterAngle = jrPlot.getMeterAngleInteger() == null ? 180 : jrPlot.getMeterAngleInteger();
    // Set the size of the meter
    chartPlot.setMeterAngle(meterAngle);

    // Set the spacing between ticks.  I hate the name "tickSize" since to me it
    // implies I am changing the size of the tick, not the spacing between them.
    double tickInterval = jrPlot.getTickIntervalDouble() == null ? 10.0 : jrPlot.getTickIntervalDouble();
    chartPlot.setTickSize(tickInterval);

    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);
    chartPlot.setTickLabelFont(themeTickLabelFont);

    // localizing the default format, can be overridden by display.getMask()
    chartPlot.setTickLabelFormat(NumberFormat.getInstance(getLocale()));

    Color tickColor = jrPlot.getTickColor() == null ? Color.BLACK : jrPlot.getTickColor();
    chartPlot.setTickPaint(tickColor);
    int dialUnitScale = 1;
    Range range = convertRange(jrPlot.getDataRange());
    if (range != null) {
        // Set the meter's range
        chartPlot.setRange(range);
        double bound = Math.max(Math.abs(range.getUpperBound()), Math.abs(range.getLowerBound()));
        dialUnitScale = ChartThemesUtilities.getScale(bound);
        if ((range.getLowerBound() == (int) range.getLowerBound()
                && range.getUpperBound() == (int) range.getUpperBound() && tickInterval == (int) tickInterval)
                || dialUnitScale > 1) {
            chartPlot.setTickLabelFormat(
                    new DecimalFormat("#,##0", DecimalFormatSymbols.getInstance(getLocale())));
        } else if (dialUnitScale == 1) {
            chartPlot.setTickLabelFormat(
                    new DecimalFormat("#,##0.0", DecimalFormatSymbols.getInstance(getLocale())));
        } else if (dialUnitScale <= 0) {
            chartPlot.setTickLabelFormat(
                    new DecimalFormat("#,##0.00", DecimalFormatSymbols.getInstance(getLocale())));
        }
    }
    chartPlot.setTickLabelsVisible(true);

    // Set all the colors we support
    Paint backgroundPaint = jrPlot.getOwnBackcolor() == null ? ChartThemesConstants.TRANSPARENT_PAINT
            : jrPlot.getOwnBackcolor();
    chartPlot.setBackgroundPaint(backgroundPaint);

    GradientPaint gp = new GradientPaint(new Point(), Color.LIGHT_GRAY, new Point(), Color.BLACK, false);

    if (jrPlot.getMeterBackgroundColor() != null) {
        chartPlot.setDialBackgroundPaint(jrPlot.getMeterBackgroundColor());
    } else {
        chartPlot.setDialBackgroundPaint(gp);
    }
    //chartPlot.setForegroundAlpha(1f);
    Paint needlePaint = jrPlot.getNeedleColor() == null ? new Color(191, 48, 0) : jrPlot.getNeedleColor();
    chartPlot.setNeedlePaint(needlePaint);

    JRValueDisplay display = jrPlot.getValueDisplay();
    if (display != null) {
        Color valueColor = display.getColor() == null ? Color.BLACK : display.getColor();
        chartPlot.setValuePaint(valueColor);
        String pattern = display.getMask() != null ? display.getMask() : "#,##0.####";
        if (pattern != null)
            chartPlot.setTickLabelFormat(
                    new DecimalFormat(pattern, DecimalFormatSymbols.getInstance(getLocale())));
        JRFont displayFont = display.getFont();
        Font themeDisplayFont = getFont(
                (JRFont) getDefaultValue(defaultPlotPropertiesMap, ChartThemesConstants.PLOT_DISPLAY_FONT),
                displayFont, defaultBaseFontSize);

        if (themeDisplayFont != null) {
            chartPlot.setValueFont(themeDisplayFont);
        }
    }
    String label = getChart().hasProperties()
            ? getChart().getPropertiesMap().getProperty(DefaultChartTheme.PROPERTY_DIAL_LABEL)
            : null;

    if (label != null) {
        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)) });

    }

    // Set the units - this is just a string that will be shown next to the
    // value
    String units = jrPlot.getUnits() == null ? label : jrPlot.getUnits();
    if (units != null && units.length() > 0)
        chartPlot.setUnits(units);

    chartPlot.setTickPaint(Color.BLACK);

    // Now define all of the intervals, setting their range and color
    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);
            Color color = i < 3 ? (Color) ChartThemesConstants.AEGEAN_INTERVAL_COLORS.get(i)
                    : new Color(255 - colorStep * (i - 3), 0 + colorStep * (i - 3), 0);

            interval.setBackgroundColor(color);
            interval.setAlpha(1.0d);
            chartPlot.addInterval(convertInterval(interval));
        }
    }

    // Actually create the chart around the plot
    JFreeChart jfreeChart = new JFreeChart(evaluateTextExpression(getChart().getTitleExpression()), null,
            chartPlot, getChart().getShowLegend() == null ? false : getChart().getShowLegend());

    // Set all the generic options
    configureChart(jfreeChart, getPlot());

    return jfreeChart;

}

From source file:net.sf.fspdfs.chartthemes.spring.EyeCandySixtiesChartTheme.java

/**
 *
 *///from  ww  w .  java 2s. c o m
protected JFreeChart createMeterChart() throws JRException {
    // Start by creating the plot that will hold the meter
    MeterPlot chartPlot = new MeterPlot((ValueDataset) getDataset());
    JRMeterPlot jrPlot = (JRMeterPlot) getPlot();

    // Set the shape
    MeterShapeEnum shape = jrPlot.getShapeValue() == null ? MeterShapeEnum.DIAL : jrPlot.getShapeValue();

    switch (shape) {
    case CHORD:
        chartPlot.setDialShape(DialShape.CHORD);
        break;
    case PIE:
        chartPlot.setDialShape(DialShape.PIE);
        break;
    case CIRCLE:
        chartPlot.setDialShape(DialShape.CIRCLE);
        break;
    case DIAL:
    default:
        return createDialChart();
    }

    chartPlot.setDialOutlinePaint(Color.BLACK);
    int meterAngle = jrPlot.getMeterAngleInteger() == null ? 180 : jrPlot.getMeterAngleInteger().intValue();
    // Set the size of the meter
    chartPlot.setMeterAngle(meterAngle);

    // Set the spacing between ticks.  I hate the name "tickSize" since to me it
    // implies I am changing the size of the tick, not the spacing between them.
    double tickInterval = jrPlot.getTickIntervalDouble() == null ? 10.0
            : jrPlot.getTickIntervalDouble().doubleValue();
    chartPlot.setTickSize(tickInterval);

    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);
    chartPlot.setTickLabelFont(themeTickLabelFont);

    Color tickColor = jrPlot.getTickColor() == null ? Color.BLACK : jrPlot.getTickColor();
    chartPlot.setTickPaint(tickColor);
    int dialUnitScale = 1;

    Range range = convertRange(jrPlot.getDataRange());
    // Set the meter's range
    if (range != null) {
        chartPlot.setRange(range);
        double bound = Math.max(Math.abs(range.getUpperBound()), Math.abs(range.getLowerBound()));
        dialUnitScale = ChartThemesUtilities.getScale(bound);
        if ((range.getLowerBound() == (int) range.getLowerBound()
                && range.getUpperBound() == (int) range.getUpperBound() && tickInterval == (int) tickInterval)
                || dialUnitScale > 1) {
            chartPlot.setTickLabelFormat(new DecimalFormat("#,##0"));
        } else if (dialUnitScale == 1) {
            chartPlot.setTickLabelFormat(new DecimalFormat("#,##0.0"));
        } else if (dialUnitScale <= 0) {
            chartPlot.setTickLabelFormat(new DecimalFormat("#,##0.00"));
        }
    }
    chartPlot.setTickLabelsVisible(true);

    // Set all the colors we support
    Paint backgroundPaint = jrPlot.getOwnBackcolor() == null ? ChartThemesConstants.TRANSPARENT_PAINT
            : jrPlot.getOwnBackcolor();
    chartPlot.setBackgroundPaint(backgroundPaint);

    GradientPaint gp = new GradientPaint(new Point(), Color.LIGHT_GRAY, new Point(), Color.BLACK, false);

    if (jrPlot.getMeterBackgroundColor() != null) {
        chartPlot.setDialBackgroundPaint(jrPlot.getMeterBackgroundColor());
    } else {
        chartPlot.setDialBackgroundPaint(gp);
    }
    //chartPlot.setForegroundAlpha(1f);
    Paint needlePaint = jrPlot.getNeedleColor() == null ? new Color(191, 48, 0) : jrPlot.getNeedleColor();
    chartPlot.setNeedlePaint(needlePaint);

    JRValueDisplay display = jrPlot.getValueDisplay();
    if (display != null) {
        Color valueColor = display.getColor() == null ? Color.BLACK : display.getColor();
        chartPlot.setValuePaint(valueColor);
        String pattern = display.getMask() != null ? display.getMask() : "#,##0.####";
        if (pattern != null)
            chartPlot.setTickLabelFormat(new DecimalFormat(pattern));
        JRFont displayFont = display.getFont();
        Font themeDisplayFont = getFont(
                (JRFont) getDefaultValue(defaultPlotPropertiesMap, ChartThemesConstants.PLOT_DISPLAY_FONT),
                displayFont, defaultBaseFontSize);

        if (themeDisplayFont != null) {
            chartPlot.setValueFont(themeDisplayFont);
        }
    }
    String label = getChart().hasProperties()
            ? getChart().getPropertiesMap().getProperty(DefaultChartTheme.PROPERTY_DIAL_LABEL)
            : null;

    if (label != null) {
        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)) });

    }

    // Set the units - this is just a string that will be shown next to the
    // value
    String units = jrPlot.getUnits() == null ? label : jrPlot.getUnits();
    if (units != null && units.length() > 0)
        chartPlot.setUnits(units);

    chartPlot.setTickPaint(Color.BLACK);

    // Now define all of the intervals, setting their range and color
    List 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 = (JRMeterInterval) intervals.get(i);
            Color color = i < 3 ? (Color) ChartThemesConstants.AEGEAN_INTERVAL_COLORS.get(i)
                    : new Color(255 - colorStep * (i - 3), 0 + colorStep * (i - 3), 0);

            interval.setBackgroundColor(color);
            interval.setAlpha(new Double(1.0));
            chartPlot.addInterval(convertInterval(interval));
        }
    }

    // Actually create the chart around the plot
    JFreeChart jfreeChart = new JFreeChart((String) evaluateExpression(getChart().getTitleExpression()), null,
            chartPlot, getChart().getShowLegend() == null ? false : getChart().getShowLegend().booleanValue());

    // Set all the generic options
    configureChart(jfreeChart, getPlot());

    return jfreeChart;

}

From source file:net.sf.jasperreports.chartthemes.spring.EyeCandySixtiesChartTheme.java

@Override
protected JFreeChart createMeterChart() throws JRException {
    // Start by creating the plot that will hold the meter
    MeterPlot chartPlot = new MeterPlot((ValueDataset) getDataset());
    JRMeterPlot jrPlot = (JRMeterPlot) getPlot();

    // Set the shape
    MeterShapeEnum shape = jrPlot.getShapeValue() == null ? MeterShapeEnum.DIAL : jrPlot.getShapeValue();

    switch (shape) {
    case CHORD://from  ww w.j a  v  a  2s  .  co  m
        chartPlot.setDialShape(DialShape.CHORD);
        break;
    case PIE:
        chartPlot.setDialShape(DialShape.PIE);
        break;
    case CIRCLE:
        chartPlot.setDialShape(DialShape.CIRCLE);
        break;
    case DIAL:
    default:
        return createDialChart();
    }

    chartPlot.setDialOutlinePaint(Color.BLACK);
    int meterAngle = jrPlot.getMeterAngleInteger() == null ? 180 : jrPlot.getMeterAngleInteger();
    // Set the size of the meter
    chartPlot.setMeterAngle(meterAngle);

    // Set the spacing between ticks.  I hate the name "tickSize" since to me it
    // implies I am changing the size of the tick, not the spacing between them.
    double tickInterval = jrPlot.getTickIntervalDouble() == null ? 10.0 : jrPlot.getTickIntervalDouble();
    chartPlot.setTickSize(tickInterval);

    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);
    chartPlot.setTickLabelFont(themeTickLabelFont);

    // localizing the default format, can be overridden by display.getMask()
    chartPlot.setTickLabelFormat(NumberFormat.getInstance(getLocale()));

    Color tickColor = jrPlot.getTickColor() == null ? Color.BLACK : jrPlot.getTickColor();
    chartPlot.setTickPaint(tickColor);
    int dialUnitScale = 1;

    Range range = convertRange(jrPlot.getDataRange());
    // Set the meter's range
    if (range != null) {
        chartPlot.setRange(range);
        double bound = Math.max(Math.abs(range.getUpperBound()), Math.abs(range.getLowerBound()));
        dialUnitScale = ChartThemesUtilities.getScale(bound);
        if ((range.getLowerBound() == (int) range.getLowerBound()
                && range.getUpperBound() == (int) range.getUpperBound() && tickInterval == (int) tickInterval)
                || dialUnitScale > 1) {
            chartPlot.setTickLabelFormat(
                    new DecimalFormat("#,##0", DecimalFormatSymbols.getInstance(getLocale())));
        } else if (dialUnitScale == 1) {
            chartPlot.setTickLabelFormat(
                    new DecimalFormat("#,##0.0", DecimalFormatSymbols.getInstance(getLocale())));
        } else if (dialUnitScale <= 0) {
            chartPlot.setTickLabelFormat(
                    new DecimalFormat("#,##0.00", DecimalFormatSymbols.getInstance(getLocale())));
        }
    }
    chartPlot.setTickLabelsVisible(true);

    // Set all the colors we support
    Paint backgroundPaint = jrPlot.getOwnBackcolor() == null ? ChartThemesConstants.TRANSPARENT_PAINT
            : jrPlot.getOwnBackcolor();
    chartPlot.setBackgroundPaint(backgroundPaint);

    GradientPaint gp = new GradientPaint(new Point(), Color.LIGHT_GRAY, new Point(), Color.BLACK, false);

    if (jrPlot.getMeterBackgroundColor() != null) {
        chartPlot.setDialBackgroundPaint(jrPlot.getMeterBackgroundColor());
    } else {
        chartPlot.setDialBackgroundPaint(gp);
    }
    //chartPlot.setForegroundAlpha(1f);
    Paint needlePaint = jrPlot.getNeedleColor() == null ? new Color(191, 48, 0) : jrPlot.getNeedleColor();
    chartPlot.setNeedlePaint(needlePaint);

    JRValueDisplay display = jrPlot.getValueDisplay();
    if (display != null) {
        Color valueColor = display.getColor() == null ? Color.BLACK : display.getColor();
        chartPlot.setValuePaint(valueColor);
        String pattern = display.getMask() != null ? display.getMask() : "#,##0.####";
        if (pattern != null)
            chartPlot.setTickLabelFormat(
                    new DecimalFormat(pattern, DecimalFormatSymbols.getInstance(getLocale())));
        JRFont displayFont = display.getFont();
        Font themeDisplayFont = getFont(
                (JRFont) getDefaultValue(defaultPlotPropertiesMap, ChartThemesConstants.PLOT_DISPLAY_FONT),
                displayFont, defaultBaseFontSize);

        if (themeDisplayFont != null) {
            chartPlot.setValueFont(themeDisplayFont);
        }
    }
    String label = getChart().hasProperties()
            ? getChart().getPropertiesMap().getProperty(DefaultChartTheme.PROPERTY_DIAL_LABEL)
            : null;

    if (label != null) {
        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)) });

    }

    // Set the units - this is just a string that will be shown next to the
    // value
    String units = jrPlot.getUnits() == null ? label : jrPlot.getUnits();
    if (units != null && units.length() > 0)
        chartPlot.setUnits(units);

    chartPlot.setTickPaint(Color.BLACK);

    // Now define all of the intervals, setting their range and color
    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);
            Color color = i < 3 ? (Color) ChartThemesConstants.AEGEAN_INTERVAL_COLORS.get(i)
                    : new Color(255 - colorStep * (i - 3), 0 + colorStep * (i - 3), 0);

            interval.setBackgroundColor(color);
            interval.setAlpha(1.0d);
            chartPlot.addInterval(convertInterval(interval));
        }
    }

    // Actually create the chart around the plot
    JFreeChart jfreeChart = new JFreeChart(evaluateTextExpression(getChart().getTitleExpression()), null,
            chartPlot, getChart().getShowLegend() == null ? false : getChart().getShowLegend());

    // Set all the generic options
    configureChart(jfreeChart, getPlot());

    return jfreeChart;

}