Package org.jfree.chart.annotations

Examples of org.jfree.chart.annotations.XYTextAnnotation

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    /**
     * Two objects that are equal are required to return the same hashCode.
     */
    public void testHashCode() {
        XYTextAnnotation a1 = new XYTextAnnotation("Text", 10.0, 20.0);
        XYTextAnnotation a2 = new XYTextAnnotation("Text", 10.0, 20.0);
        assertTrue(a1.equals(a2));
        int h1 = a1.hashCode();
        int h2 = a2.hashCode();
        assertEquals(h1, h2);
    }
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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        XYTextAnnotation a1 = new XYTextAnnotation("Text", 10.0, 20.0);
        XYTextAnnotation a2 = null;
        try {
            a2 = (XYTextAnnotation) a1.clone();
        }
        catch (CloneNotSupportedException e) {
            System.err.println("Failed to clone.");
        }
        assertTrue(a1 != a2);
        assertTrue(a1.getClass() == a2.getClass());
        assertTrue(a1.equals(a2));
    }
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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {

        XYTextAnnotation a1 = new XYTextAnnotation("Text", 10.0, 20.0);
        XYTextAnnotation a2 = null;

        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(a1);
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        r1.setURLGenerator(new StandardXYURLGenerator());
        assertFalse(r1.equals(r2));
        r2.setURLGenerator(new StandardXYURLGenerator());
        assertTrue(r1.equals(r2));
       
        r1.addAnnotation(new XYTextAnnotation("X", 1.0, 2.0), Layer.FOREGROUND);
        assertFalse(r1.equals(r2));
        r2.addAnnotation(new XYTextAnnotation("X", 1.0, 2.0), Layer.FOREGROUND);
        assertTrue(r1.equals(r2));
       
        r1.addAnnotation(new XYTextAnnotation("X", 1.0, 2.0), Layer.BACKGROUND);
        assertFalse(r1.equals(r2));
        r2.addAnnotation(new XYTextAnnotation("X", 1.0, 2.0), Layer.BACKGROUND);
        assertTrue(r1.equals(r2));
       
        r1.setDefaultEntityRadius(99);
        assertFalse(r1.equals(r2));
        r2.setDefaultEntityRadius(99);
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        r1.setSeriesToolTipGenerator(0, new StandardXYToolTipGenerator());
        assertFalse(r1.equals(r2));
        r2.setSeriesToolTipGenerator(0, new StandardXYToolTipGenerator());
        assertTrue(r1.equals(r2));
       
        r1.addAnnotation(new XYTextAnnotation("ABC", 1.0, 2.0),
                Layer.FOREGROUND);
        assertFalse(r1.equals(r2));
        r2.addAnnotation(new XYTextAnnotation("ABC", 1.0, 2.0),
                Layer.FOREGROUND);
        assertTrue(r1.equals(r2));
       
        r1.addAnnotation(new XYTextAnnotation("ABC", 1.0, 2.0),
                Layer.BACKGROUND);
        assertFalse(r1.equals(r2));
        r2.addAnnotation(new XYTextAnnotation("ABC", 1.0, 2.0),
                Layer.BACKGROUND);
        assertTrue(r1.equals(r2));

    }
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        XYItemRenderer renderer1 = new StandardXYItemRenderer();
        NumberAxis xAxis1 = new NumberAxis("X1");
        XYPlot subplot1 = new XYPlot(data1, xAxis1, null, renderer1);
        subplot1.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT);
        
        XYTextAnnotation annotation
                = new XYTextAnnotation("Hello!", 50.0, 10000.0);
        annotation.setFont(new Font("SansSerif", Font.PLAIN, 9));
        annotation.setRotationAngle(Math.PI / 4.0);
        subplot1.addAnnotation(annotation);
        
        // create subplot 2...
        XYDataset data2 = createDataset2();
        XYItemRenderer renderer2 = new StandardXYItemRenderer();
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        XYItemRenderer renderer1 = new StandardXYItemRenderer();
        NumberAxis rangeAxis1 = new NumberAxis("Range 1");
        XYPlot subplot1 = new XYPlot(data1, null, rangeAxis1, renderer1);
        subplot1.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT);
       
        XYTextAnnotation annotation
            = new XYTextAnnotation("Hello!", 50.0, 10000.0);
        annotation.setFont(new Font("SansSerif", Font.PLAIN, 9));
        annotation.setRotationAngle(Math.PI / 4.0);
        subplot1.addAnnotation(annotation);
       
        // create subplot 2...
        XYDataset data2 = createDataset2();
        XYItemRenderer renderer2 = new StandardXYItemRenderer();
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    /**
     * Some checks for the removeAnnotation() method.
     */
    public void testRemoveAnnotation() {
        XYPlot plot = new XYPlot();
        XYTextAnnotation a1 = new XYTextAnnotation("X", 1.0, 2.0);
        XYTextAnnotation a2 = new XYTextAnnotation("X", 3.0, 4.0);
        XYTextAnnotation a3 = new XYTextAnnotation("X", 1.0, 2.0);
        plot.addAnnotation(a1);
        plot.addAnnotation(a2);
        plot.addAnnotation(a3);
        plot.removeAnnotation(a2);
        XYTextAnnotation x = (XYTextAnnotation) plot.getAnnotations().get(0);
        assertEquals(x, a1);
       
        // now remove a3, but since a3.equals(a1), this will in fact remove
        // a1...
        assertTrue(a1.equals(a3));
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     * @param annotation  the annotation.
     */
    protected void applyToXYAnnotation(XYAnnotation annotation) {
        ParamChecks.nullNotPermitted(annotation, "annotation");
        if (annotation instanceof XYTextAnnotation) {
            XYTextAnnotation xyta = (XYTextAnnotation) annotation;
            xyta.setFont(this.smallFont);
            xyta.setPaint(this.itemLabelPaint);
        }
    }
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        XYItemRenderer renderer1 = new StandardXYItemRenderer();
        NumberAxis rangeAxis1 = new NumberAxis("Range 1");
        XYPlot subplot1 = new XYPlot(data1, null, rangeAxis1, renderer1);
        subplot1.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT);

        XYTextAnnotation annotation = new XYTextAnnotation("Hello!", 50.0,
                10000.0);
        annotation.setFont(new Font("SansSerif", Font.PLAIN, 9));
        annotation.setRotationAngle(Math.PI / 4.0);
        subplot1.addAnnotation(annotation);

        // create subplot 2...
        XYDataset data2 = createDataset2();
        XYItemRenderer renderer2 = new StandardXYItemRenderer();
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