Package org.jfree.chart.annotations

Examples of org.jfree.chart.annotations.XYTextAnnotation

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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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     * Some checks for the removeAnnotation() method.
     */
    @Test
    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...
        assertEquals(a1, a3);
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        r1.setURLGenerator(new StandardXYURLGenerator());
        assertFalse(r1.equals(r2));
        r2.setURLGenerator(new StandardXYURLGenerator());
        assertEquals(r1, 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);
        assertEquals(r1, 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);
        assertEquals(r1, 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());
        assertEquals(r1, 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);
        assertEquals(r1, 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);
        assertEquals(r1, r2);

    }
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            chart.getXYPlot().setRangeGridlinesVisible(false);
            chart.getXYPlot().getDomainAxis().setVisible(false); // X
            chart.getXYPlot().getRangeAxis().setVisible(false); // Y
            double middleX = chart.getXYPlot().getRangeAxis().getRange().getLength() / 2;
            double middleY = chart.getXYPlot().getDomainAxis().getRange().getLength() / 2;
            final XYTextAnnotation annotation = new XYTextAnnotation("No data available.", middleX, middleY);
            annotation.setFont(new Font("SansSerif", Font.BOLD, 12));
            chart.getXYPlot().addAnnotation(annotation);
            return;
        }

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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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        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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    /**
     * 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));
       
        // 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));
    }
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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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