Package org.jfree.chart.plot

Examples of org.jfree.chart.plot.Crosshair

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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {
        CrosshairOverlay o1 = new CrosshairOverlay();
        o1.addDomainCrosshair(new Crosshair(99.9));
        o1.addRangeCrosshair(new Crosshair(1.23, new GradientPaint(1.0f, 2.0f,
                Color.red, 3.0f, 4.0f, Color.blue), new BasicStroke(1.1f)));
        CrosshairOverlay o2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
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    /**
     * Basic checks for cloning.
     */
    public void testCloning() {
        CrosshairOverlay o1 = new CrosshairOverlay();
        o1.addDomainCrosshair(new Crosshair(99.9));
        o1.addRangeCrosshair(new Crosshair(1.23, new GradientPaint(1.0f, 2.0f,
                Color.red, 3.0f, 4.0f, Color.blue), new BasicStroke(1.1f)));
        CrosshairOverlay o2 = null;
        try {
            o2 = (CrosshairOverlay) o1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(o1 != o2);
        assertTrue(o1.getClass() == o2.getClass());
        assertTrue(o1.equals(o2));

        o1.addDomainCrosshair(new Crosshair(3.21));
        o1.addRangeCrosshair(new Crosshair(4.32));
        assertFalse(o1.equals(o2));
    }
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    /**
     * Simple check that hashCode is implemented.
     */
    public void testHashCode() {
        Crosshair c1 = new Crosshair(1.0);
        Crosshair c2 = new Crosshair(1.0);
        assertTrue(c1.equals(c2));
        assertTrue(c1.hashCode() == c2.hashCode());
    }
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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        Crosshair c1 = new Crosshair(1.0, new GradientPaint(1.0f, 2.0f,
                Color.red, 3.0f, 4.0f, Color.BLUE), new BasicStroke(1.0f));
        Crosshair c2 = null;
        try {
            c2 = (Crosshair) c1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(c1 != c2);
        assertTrue(c1.getClass() == c2.getClass());
        assertTrue(c1.equals(c2));
    }
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    /**
     * Check to ensure that this class implements PublicCloneable.
     */
    public void testPublicCloneable() {
        Crosshair c1 = new Crosshair(1.0);
        assertTrue(c1 instanceof PublicCloneable);
    }
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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {
        Crosshair c1 = new Crosshair(1.0, new GradientPaint(1.0f, 2.0f,
                Color.red, 3.0f, 4.0f, Color.BLUE), new BasicStroke(1.0f));
        Crosshair c2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(c1);
            out.close();
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    /**
     * Some checks for the equals() method.
     */
    public void testEquals() {
        Crosshair c1 = new Crosshair(1.0, Color.blue, new BasicStroke(1.0f));
        Crosshair c2 = new Crosshair(1.0, Color.blue, new BasicStroke(1.0f));
        assertTrue(c1.equals(c1));
        assertTrue(c2.equals(c1));

        c1.setVisible(false);
        assertFalse(c1.equals(c2));
        c2.setVisible(false);
        assertTrue(c1.equals(c2));

        c1.setValue(2.0);
        assertFalse(c1.equals(c2));
        c2.setValue(2.0);
        assertTrue(c1.equals(c2));

        c1.setPaint(Color.red);
        assertFalse(c1.equals(c2));
        c2.setPaint(Color.red);
        assertTrue(c1.equals(c2));

        c1.setStroke(new BasicStroke(1.1f));
        assertFalse(c1.equals(c2));
        c2.setStroke(new BasicStroke(1.1f));
        assertTrue(c1.equals(c2));

        c1.setLabelVisible(true);
        assertFalse(c1.equals(c2));
        c2.setLabelVisible(true);
        assertTrue(c1.equals(c2));

        c1.setLabelAnchor(RectangleAnchor.TOP_LEFT);
        assertFalse(c1.equals(c2));
        c2.setLabelAnchor(RectangleAnchor.TOP_LEFT);
        assertTrue(c1.equals(c2));

        c1.setLabelGenerator(new StandardCrosshairLabelGenerator("Value = {0}",
                NumberFormat.getNumberInstance()));
        assertFalse(c1.equals(c2));
        c2.setLabelGenerator(new StandardCrosshairLabelGenerator("Value = {0}",
                NumberFormat.getNumberInstance()));
        assertTrue(c1.equals(c2));

        c1.setLabelXOffset(11);
        assertFalse(c1.equals(c2));
        c2.setLabelXOffset(11);
        assertTrue(c1.equals(c2));

        c1.setLabelYOffset(22);
        assertFalse(c1.equals(c2));
        c2.setLabelYOffset(22);
        assertTrue(c1.equals(c2));

        c1.setLabelFont(new Font("Dialog", Font.PLAIN, 8));
        assertFalse(c1.equals(c2));
        c2.setLabelFont(new Font("Dialog", Font.PLAIN, 8));
        assertTrue(c1.equals(c2));

        c1.setLabelPaint(Color.red);
        assertFalse(c1.equals(c2));
        c2.setLabelPaint(Color.red);
        assertTrue(c1.equals(c2));

        c1.setLabelBackgroundPaint(Color.yellow);
        assertFalse(c1.equals(c2));
        c2.setLabelBackgroundPaint(Color.yellow);
        assertTrue(c1.equals(c2));

        c1.setLabelOutlineVisible(false);
        assertFalse(c1.equals(c2));
        c2.setLabelOutlineVisible(false);
        assertTrue(c1.equals(c2));

        c1.setLabelOutlineStroke(new BasicStroke(2.0f));
        assertFalse(c1.equals(c2));
        c2.setLabelOutlineStroke(new BasicStroke(2.0f));
        assertTrue(c1.equals(c2));

        c1.setLabelOutlinePaint(Color.darkGray);
        assertFalse(c1.equals(c2));
        c2.setLabelOutlinePaint(Color.darkGray);
        assertTrue(c1.equals(c2));

    }
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        if (this.xCrosshairs.isEmpty()) {
            return;  // nothing to do
        }
        List crosshairs = getDomainCrosshairs();
        for (int i = 0; i < crosshairs.size(); i++) {
            Crosshair c = (Crosshair) crosshairs.get(i);
            this.xCrosshairs.remove(c);
            c.removePropertyChangeListener(this);
        }
        fireOverlayChanged();
    }
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        if (this.yCrosshairs.isEmpty()) {
            return;  // nothing to do
        }
        List crosshairs = getRangeCrosshairs();
        for (int i = 0; i < crosshairs.size(); i++) {
            Crosshair c = (Crosshair) crosshairs.get(i);
            this.yCrosshairs.remove(c);
            c.removePropertyChangeListener(this);
        }
        fireOverlayChanged();
    }
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        XYPlot plot = (XYPlot) chart.getPlot();
        ValueAxis xAxis = plot.getDomainAxis();
        RectangleEdge xAxisEdge = plot.getDomainAxisEdge();
        Iterator iterator = this.xCrosshairs.iterator();
        while (iterator.hasNext()) {
            Crosshair ch = (Crosshair) iterator.next();
            if (ch.isVisible()) {
                double x = ch.getValue();
                double xx = xAxis.valueToJava2D(x, dataArea, xAxisEdge);
                if (plot.getOrientation() == PlotOrientation.VERTICAL) {
                    drawVerticalCrosshair(g2, dataArea, xx, ch);
                }
                else {
                    drawHorizontalCrosshair(g2, dataArea, xx, ch);
                }
            }
        }
        ValueAxis yAxis = plot.getRangeAxis();
        RectangleEdge yAxisEdge = plot.getRangeAxisEdge();
        iterator = this.yCrosshairs.iterator();
        while (iterator.hasNext()) {
            Crosshair ch = (Crosshair) iterator.next();
            if (ch.isVisible()) {
                double y = ch.getValue();
                double yy = yAxis.valueToJava2D(y, dataArea, yAxisEdge);
                if (plot.getOrientation() == PlotOrientation.VERTICAL) {
                    drawHorizontalCrosshair(g2, dataArea, yy, ch);
                }
                else {
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Related Classes of org.jfree.chart.plot.Crosshair

  • org.jfree.chart.labels.CrosshairLabelGenerator
  • org.jfree.chart.labels.StandardCrosshairLabelGenerator
  • org.jfree.chart.panel.CrosshairOverlay
  • org.jfree.chart.panel.CrosshairOverlayTest
  • org.jfree.chart.panel.junit.CrosshairOverlayTests
  • org.jfree.chart.plot.junit.CrosshairTests
  • org.jfree.chart.ui.RectangleAnchor
  • org.jfree.ui.RectangleAnchor
  • java.awt.Color
  • java.awt.BasicStroke
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