Example usage for org.jfree.chart.plot.dial DialPlot getValue

List of usage examples for org.jfree.chart.plot.dial DialPlot getValue

Introduction

In this page you can find the example usage for org.jfree.chart.plot.dial DialPlot getValue.

Prototype

public double getValue(int datasetIndex) 

Source Link

Document

Returns the value from the specified dataset.

Usage

From source file:com.bdb.weather.display.current.WindDirPointer.java

/**
 * Draws the pointer.//w  ww .  j av  a 2  s  .c o  m
 * 
 * @param g2 The graphics target.
 * @param plot The plot.
 * @param frame The dial's reference frame.
 * @param view The dial's view.
 */
@Override
public void draw(Graphics2D g2, DialPlot plot, Rectangle2D frame, Rectangle2D view) {
    g2.setPaint(Color.blue);
    g2.setStroke(new BasicStroke(1.0f));
    DialScale scale = plot.getScaleForDataset(getDatasetIndex());
    double value = plot.getValue(getDatasetIndex());
    double angle = scale.valueToAngle(value % 360.0);

    Rectangle2D outerRect = DialPlot.rectangleByRadius(frame, outerRadius, outerRadius);
    Rectangle2D innerRect = DialPlot.rectangleByRadius(frame, outerRadius - innerOffset,
            outerRadius - innerOffset);

    g2.setPaint(getOutlinePaint());
    Arc2D arc1 = new Arc2D.Double(outerRect, angle - (ARC_LENGTH / 2), ARC_LENGTH, Arc2D.OPEN);
    g2.draw(arc1);
    Arc2D arc2 = new Arc2D.Double(innerRect, angle, 0.0, Arc2D.OPEN);
    GeneralPath gp = new GeneralPath();
    gp.moveTo(arc1.getStartPoint().getX(), arc1.getStartPoint().getY());
    gp.lineTo(arc2.getStartPoint().getX(), arc2.getStartPoint().getY());
    gp.lineTo(arc1.getEndPoint().getX(), arc1.getEndPoint().getY());
    g2.draw(gp);
    if (fill) {
        g2.setPaint(getFillPaint());
        g2.fill(gp);
    }
}

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

/**
 * Draws the pointer./*from  w w  w . ja v a2 s .  c o m*/
 *
 * @param g2  the graphics target.
 * @param plot  the plot.
 * @param frame  the dial's reference frame.
 * @param view  the dial's view.
 */
public void draw(Graphics2D g2, DialPlot plot, Rectangle2D frame, Rectangle2D view) {

    g2.setStroke(new BasicStroke(1.0f));
    Rectangle2D lengthRect = DialPlot.rectangleByRadius(frame, this.getRadius(), this.getRadius());
    Rectangle2D widthRect = DialPlot.rectangleByRadius(frame, this.getWidthRadius(), this.getWidthRadius());
    double value = ChartThemesUtilities.getScaledValue(plot.getValue(this.getDatasetIndex()), scale);
    DialScale scale = plot.getScaleForDataset(this.getDatasetIndex());
    double angle = scale.valueToAngle(value);

    Arc2D arc1 = new Arc2D.Double(lengthRect, angle, 0, Arc2D.OPEN);
    Point2D pt1 = arc1.getEndPoint();
    Arc2D arc2 = new Arc2D.Double(widthRect, angle - 90.0, 180.0, Arc2D.OPEN);
    Point2D pt2 = arc2.getStartPoint();
    Point2D pt3 = arc2.getEndPoint();
    Arc2D arc3 = new Arc2D.Double(widthRect, angle - 180.0, 0.0, Arc2D.OPEN);
    Point2D pt4 = arc3.getStartPoint();

    GeneralPath gp = new GeneralPath();
    gp.moveTo((float) pt1.getX(), (float) pt1.getY());
    gp.lineTo((float) pt2.getX(), (float) pt2.getY());
    gp.lineTo((float) pt4.getX(), (float) pt4.getY());
    gp.lineTo((float) pt3.getX(), (float) pt3.getY());
    gp.closePath();
    g2.setPaint(this.fillPaint);
    g2.fill(gp);

    g2.setPaint(this.getOutlinePaint());
    Line2D line = new Line2D.Double(frame.getCenterX(), frame.getCenterY(), pt1.getX(), pt1.getY());
    //      g2.draw(line);

    line.setLine(pt2, pt3);
    g2.draw(line);

    line.setLine(pt3, pt1);
    g2.draw(line);

    line.setLine(pt2, pt1);
    g2.draw(line);

    line.setLine(pt2, pt4);
    g2.draw(line);

    line.setLine(pt3, pt4);
    g2.draw(line);
}

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

/**
 * Draws the pointer./*from   w w w. j  a v a 2  s .co m*/
 *
 * @param g2  the graphics target.
 * @param plot  the plot.
 * @param frame  the dial's reference frame.
 * @param view  the dial's view.
 */
@Override
public void draw(Graphics2D g2, DialPlot plot, Rectangle2D frame, Rectangle2D view) {

    g2.setStroke(new BasicStroke(1.0f));
    Rectangle2D lengthRect = DialPlot.rectangleByRadius(frame, this.getRadius(), this.getRadius());
    Rectangle2D widthRect = DialPlot.rectangleByRadius(frame, this.getWidthRadius(), this.getWidthRadius());
    double value = ChartThemesUtilities.getScaledValue(plot.getValue(this.getDatasetIndex()), scale);
    DialScale scale = plot.getScaleForDataset(this.getDatasetIndex());
    double angle = scale.valueToAngle(value);

    Arc2D arc1 = new Arc2D.Double(lengthRect, angle, 0, Arc2D.OPEN);
    Point2D pt1 = arc1.getEndPoint();
    Arc2D arc2 = new Arc2D.Double(widthRect, angle - 90.0, 180.0, Arc2D.OPEN);
    Point2D pt2 = arc2.getStartPoint();
    Point2D pt3 = arc2.getEndPoint();
    Arc2D arc3 = new Arc2D.Double(widthRect, angle - 180.0, 0.0, Arc2D.OPEN);
    Point2D pt4 = arc3.getStartPoint();

    GeneralPath gp = new GeneralPath();
    gp.moveTo((float) pt1.getX(), (float) pt1.getY());
    gp.lineTo((float) pt2.getX(), (float) pt2.getY());
    gp.lineTo((float) pt4.getX(), (float) pt4.getY());
    gp.lineTo((float) pt3.getX(), (float) pt3.getY());
    gp.closePath();
    g2.setPaint(this.fillPaint);
    g2.fill(gp);

    g2.setPaint(this.getOutlinePaint());
    Line2D line = new Line2D.Double(frame.getCenterX(), frame.getCenterY(), pt1.getX(), pt1.getY());
    //      g2.draw(line);

    line.setLine(pt2, pt3);
    g2.draw(line);

    line.setLine(pt3, pt1);
    g2.draw(line);

    line.setLine(pt2, pt1);
    g2.draw(line);

    line.setLine(pt2, pt4);
    g2.draw(line);

    line.setLine(pt3, pt4);
    g2.draw(line);
}

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

/**
 * Draws the background to the specified graphics device.  If the dial
 * frame specifies a window, the clipping region will already have been
 * set to this window before this method is called.
 *
 * @param g2  the graphics device (<code>null</code> not permitted).
 * @param plot  the plot (ignored here).
 * @param frame  the dial frame (ignored here).
 * @param view  the view rectangle (<code>null</code> not permitted).
 *//*from w w  w  .j  av a 2  s . c  o m*/
public void draw(Graphics2D g2, DialPlot plot, Rectangle2D frame, Rectangle2D view) {

    // work out the anchor point
    Rectangle2D f = DialPlot.rectangleByRadius(frame, getRadius(), this.getRadius());
    Arc2D arc = new Arc2D.Double(f, this.getAngle(), 0.0, Arc2D.OPEN);
    Point2D pt = arc.getStartPoint();

    // calculate the bounds of the template value
    FontMetrics fm = g2.getFontMetrics(this.getFont());
    String s = this.getNumberFormat().format(this.getTemplateValue());
    Rectangle2D tb = TextUtilities.getTextBounds(s, g2, fm);

    // align this rectangle to the frameAnchor
    Rectangle2D bounds = RectangleAnchor.createRectangle(new Size2D(tb.getWidth(), tb.getHeight()), pt.getX(),
            pt.getY(), this.getFrameAnchor());

    // add the insets
    Rectangle2D fb = this.getInsets().createOutsetRectangle(bounds);

    // draw the background
    g2.setPaint(this.getBackgroundPaint());
    g2.fill(fb);

    // draw the border
    g2.setStroke(this.getOutlineStroke());
    g2.setPaint(this.getOutlinePaint());
    g2.draw(fb);

    // now find the text anchor point
    String valueStr = this.getNumberFormat()
            .format(ChartThemesUtilities.getScaledValue(plot.getValue(this.getDatasetIndex()), scale));
    Point2D pt2 = RectangleAnchor.coordinates(bounds, this.getValueAnchor());
    g2.setPaint(this.getPaint());
    g2.setFont(this.getFont());
    TextUtilities.drawAlignedString(valueStr, g2, (float) pt2.getX(), (float) pt2.getY(), this.getTextAnchor());

}

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

/**
 * Draws the background to the specified graphics device.  If the dial
 * frame specifies a window, the clipping region will already have been
 * set to this window before this method is called.
 *
 * @param g2  the graphics device (<code>null</code> not permitted).
 * @param plot  the plot (ignored here).
 * @param frame  the dial frame (ignored here).
 * @param view  the view rectangle (<code>null</code> not permitted).
 *///from   ww  w  . ja v  a 2 s. c om
@Override
public void draw(Graphics2D g2, DialPlot plot, Rectangle2D frame, Rectangle2D view) {

    // work out the anchor point
    Rectangle2D f = DialPlot.rectangleByRadius(frame, getRadius(), this.getRadius());
    Arc2D arc = new Arc2D.Double(f, this.getAngle(), 0.0, Arc2D.OPEN);
    Point2D pt = arc.getStartPoint();

    // calculate the bounds of the template value
    FontMetrics fm = g2.getFontMetrics(this.getFont());
    String s = this.getNumberFormat().format(this.getTemplateValue());
    Rectangle2D tb = TextUtilities.getTextBounds(s, g2, fm);

    // align this rectangle to the frameAnchor
    Rectangle2D bounds = RectangleAnchor.createRectangle(new Size2D(tb.getWidth(), tb.getHeight()), pt.getX(),
            pt.getY(), this.getFrameAnchor());

    // add the insets
    Rectangle2D fb = this.getInsets().createOutsetRectangle(bounds);

    // draw the background
    g2.setPaint(this.getBackgroundPaint());
    g2.fill(fb);

    // draw the border
    g2.setStroke(this.getOutlineStroke());
    g2.setPaint(this.getOutlinePaint());
    g2.draw(fb);

    // now find the text anchor point
    String valueStr = this.getNumberFormat()
            .format(ChartThemesUtilities.getScaledValue(plot.getValue(this.getDatasetIndex()), scale));
    Point2D pt2 = RectangleAnchor.coordinates(bounds, this.getValueAnchor());
    g2.setPaint(this.getPaint());
    g2.setFont(this.getFont());
    TextUtilities.drawAlignedString(valueStr, g2, (float) pt2.getX(), (float) pt2.getY(), this.getTextAnchor());

}