Package org.jfree.chart.annotations

Examples of org.jfree.chart.annotations.XYTextAnnotation

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    protected void applyToXYAnnotation(XYAnnotation annotation) {
        if (annotation == null) {
            throw new IllegalArgumentException("Null 'annotation' argument.");
        }
        if (annotation instanceof XYTextAnnotation) {
            XYTextAnnotation xyta = (XYTextAnnotation) annotation;
            xyta.setFont(this.smallFont);
            xyta.setPaint(this.itemLabelPaint);
        }
    }
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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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    /**
     * 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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    /**
     * Confirm that the equals method can distinguish all the required fields.
     */
    public void testEquals() {
        XYTextAnnotation a1 = new XYTextAnnotation("Text", 10.0, 20.0);
        XYTextAnnotation a2 = new XYTextAnnotation("Text", 10.0, 20.0);
        assertTrue(a1.equals(a2));

        // text
        a1 = new XYTextAnnotation("ABC", 10.0, 20.0);
        assertFalse(a1.equals(a2));
        a2 = new XYTextAnnotation("ABC", 10.0, 20.0);
        assertTrue(a1.equals(a2));

        // x
        a1 = new XYTextAnnotation("ABC", 11.0, 20.0);
        assertFalse(a1.equals(a2));
        a2 = new XYTextAnnotation("ABC", 11.0, 20.0);
        assertTrue(a1.equals(a2));

        // y
        a1 = new XYTextAnnotation("ABC", 11.0, 22.0);
        assertFalse(a1.equals(a2));
        a2 = new XYTextAnnotation("ABC", 11.0, 22.0);
        assertTrue(a1.equals(a2));

        // font
        a1.setFont(new Font("Serif", Font.PLAIN, 23));
        assertFalse(a1.equals(a2));
        a2.setFont(new Font("Serif", Font.PLAIN, 23));
        assertTrue(a1.equals(a2));

        // paint
        GradientPaint gp1 = new GradientPaint(1.0f, 2.0f, Color.red, 3.0f,
                4.0f, Color.yellow);
        GradientPaint gp2 = new GradientPaint(1.0f, 2.0f, Color.red, 3.0f,
                4.0f, Color.yellow);
        a1.setPaint(gp1);
        assertFalse(a1.equals(a2));
        a2.setPaint(gp2);
        assertTrue(a1.equals(a2));

        // rotation anchor
        a1.setRotationAnchor(TextAnchor.BASELINE_RIGHT);
        assertFalse(a1.equals(a2));
        a2.setRotationAnchor(TextAnchor.BASELINE_RIGHT);
        assertTrue(a1.equals(a2));

        // rotation angle
        a1.setRotationAngle(12.3);
        assertFalse(a1.equals(a2));
        a2.setRotationAngle(12.3);
        assertTrue(a1.equals(a2));

        // text anchor
        a1.setTextAnchor(TextAnchor.BASELINE_RIGHT);
        assertFalse(a1.equals(a2));
        a2.setTextAnchor(TextAnchor.BASELINE_RIGHT);
        assertTrue(a1.equals(a2));

        a1.setBackgroundPaint(gp1);
        assertFalse(a1.equals(a2));
        a2.setBackgroundPaint(gp1);
        assertTrue(a1.equals(a2));

        a1.setOutlinePaint(gp1);
        assertFalse(a1.equals(a2));
        a2.setOutlinePaint(gp1);
        assertTrue(a1.equals(a2));

        a1.setOutlineStroke(new BasicStroke(1.2f));
        assertFalse(a1.equals(a2));
        a2.setOutlineStroke(new BasicStroke(1.2f));
        assertTrue(a1.equals(a2));

        a1.setOutlineVisible(!a1.isOutlineVisible());
        assertFalse(a1.equals(a2));
        a2.setOutlineVisible(a1.isOutlineVisible());
        assertTrue(a1.equals(a2));

    }
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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) {
            e.printStackTrace();
        }
        assertTrue(a1 != a2);
        assertTrue(a1.getClass() == a2.getClass());
        assertTrue(a1.equals(a2));
    }
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    /**
     * Checks that this class implements PublicCloneable.
     */
    public void testPublicCloneable() {
        XYTextAnnotation a1 = new XYTextAnnotation("Text", 10.0, 20.0);
        assertTrue(a1 instanceof PublicCloneable);
    }
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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);
        a1.setOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f,
                Color.blue));
        XYTextAnnotation a2 = null;

        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(a1);
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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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