Examples of org.jfree.chart.renderer.category.BarRenderer

Package org.jfree.chart.renderer.category

Examples of org.jfree.chart.renderer.category.BarRenderer

org.jfree.chart.renderer.category.BarRenderer
A {@link CategoryItemRenderer} that draws individual data items as bars.The example shown here is generated by the BarChartDemo1.java program included in the JFreeChart Demo Collection:


    /**
     * Test that setting the shape for ALL series does in fact work.
     */
    public void testSetShape() {
        BarRenderer r = new BarRenderer();
        Shape s = new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0);
        r.setShape(s);
        assertEquals(s, r.getItemShape(0, 0));
    }

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    /**
     * Test that setting the item label visibility for ALL series does in fact
     * work.
     */
    public void testSetItemLabelsVisible() {
        BarRenderer r = new BarRenderer();
        r.setItemLabelsVisible(true);
        assertTrue(r.isItemLabelVisible(0, 0));
    }

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    /**
     * Test that setting the font for ALL series does in fact work (it was
     * broken at one point).
     */
    public void testSetItemLabelFont() {
        BarRenderer r = new BarRenderer();
        r.setItemLabelFont(new Font("SansSerif", Font.PLAIN, 33));
        assertEquals(new Font("SansSerif", Font.PLAIN, 33),
                r.getItemLabelFont(0, 0));
    }

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    /**
     * Test that setting the paint for ALL series does in fact work (it was
     * broken at one point).
     */
    public void testSetItemLabelPaint() {
        BarRenderer r = new BarRenderer();
        r.setItemLabelPaint(Color.green);
        assertEquals(Color.green, r.getItemLabelPaint(0, 0));
    }

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    /**
     * Test that setting the positive item label position for ALL series does
     * in fact work.
     */
    public void testSetPositiveItemLabelPosition() {
        BarRenderer r = new BarRenderer();
        r.setPositiveItemLabelPosition(new ItemLabelPosition(
                ItemLabelAnchor.INSIDE1, TextAnchor.BASELINE_LEFT));
        assertEquals(new ItemLabelPosition(
                ItemLabelAnchor.INSIDE1, TextAnchor.BASELINE_LEFT),
                r.getPositiveItemLabelPosition(0, 0));
    }

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    /**
     * Test that setting the negative item label position for ALL series does
     * in fact work.
     */
    public void testSetNegativeItemLabelPosition() {
        BarRenderer r = new BarRenderer();
        r.setNegativeItemLabelPosition(new ItemLabelPosition(
                ItemLabelAnchor.INSIDE1, TextAnchor.BASELINE_LEFT));
        assertEquals(new ItemLabelPosition(
                ItemLabelAnchor.INSIDE1, TextAnchor.BASELINE_LEFT),
                r.getNegativeItemLabelPosition(0, 0));
    }

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     * Tests each setter method to ensure that it sends an event notification.
     */
    public void testEventNotification() {


        RendererChangeDetector detector = new RendererChangeDetector();
        BarRenderer r1 = new BarRenderer();  // have to use a subclass of
                                             // AbstractRenderer
        r1.addChangeListener(detector);


        // PAINT
        detector.setNotified(false);
        r1.setPaint(Color.red);
        assertTrue(detector.getNotified());


        detector.setNotified(false);
        r1.setSeriesPaint(0, Color.red);
        assertTrue(detector.getNotified());


        detector.setNotified(false);
        r1.setBasePaint(Color.red);
        assertTrue(detector.getNotified());


        // OUTLINE PAINT
        detector.setNotified(false);
        r1.setOutlinePaint(Color.red);
        assertTrue(detector.getNotified());


        detector.setNotified(false);
        r1.setSeriesOutlinePaint(0, Color.red);
        assertTrue(detector.getNotified());


        detector.setNotified(false);
        r1.setBaseOutlinePaint(Color.red);
        assertTrue(detector.getNotified());


        // STROKE
        detector.setNotified(false);
        r1.setStroke(new BasicStroke(1.0f));
        assertTrue(detector.getNotified());


        detector.setNotified(false);
        r1.setSeriesStroke(0, new BasicStroke(1.0f));
        assertTrue(detector.getNotified());


        detector.setNotified(false);
        r1.setBaseStroke(new BasicStroke(1.0f));
        assertTrue(detector.getNotified());


        // OUTLINE STROKE
        detector.setNotified(false);
        r1.setOutlineStroke(new BasicStroke(1.0f));
        assertTrue(detector.getNotified());


        detector.setNotified(false);
        r1.setSeriesOutlineStroke(0, new BasicStroke(1.0f));
        assertTrue(detector.getNotified());


        detector.setNotified(false);
        r1.setBaseOutlineStroke(new BasicStroke(1.0f));
        assertTrue(detector.getNotified());


        // SHAPE
        detector.setNotified(false);
        r1.setShape(new Rectangle2D.Float());
        assertTrue(detector.getNotified());


        detector.setNotified(false);
        r1.setSeriesShape(0, new Rectangle2D.Float());
        assertTrue(detector.getNotified());


        detector.setNotified(false);
        r1.setBaseShape(new Rectangle2D.Float());
        assertTrue(detector.getNotified());


        // ITEM_LABELS_VISIBLE
        detector.setNotified(false);
        r1.setItemLabelsVisible(Boolean.TRUE);
        assertTrue(detector.getNotified());


        detector.setNotified(false);
        r1.setSeriesItemLabelsVisible(0, Boolean.TRUE);
        assertTrue(detector.getNotified());


        detector.setNotified(false);
        r1.setBaseItemLabelsVisible(Boolean.TRUE);
        assertTrue(detector.getNotified());


        // ITEM_LABEL_FONT
        detector.setNotified(false);
        r1.setItemLabelFont(new Font("Serif", Font.PLAIN, 12));
        assertTrue(detector.getNotified());


        detector.setNotified(false);
        r1.setSeriesItemLabelFont(0, new Font("Serif", Font.PLAIN, 12));
        assertTrue(detector.getNotified());


        detector.setNotified(false);
        r1.setBaseItemLabelFont(new Font("Serif", Font.PLAIN, 12));
        assertTrue(detector.getNotified());


        // ITEM_LABEL_PAINT
        detector.setNotified(false);
        r1.setItemLabelPaint(Color.blue);
        assertTrue(detector.getNotified());


        detector.setNotified(false);
        r1.setSeriesItemLabelPaint(0, Color.blue);
        assertTrue(detector.getNotified());


        detector.setNotified(false);
        r1.setBaseItemLabelPaint(Color.blue);
        assertTrue(detector.getNotified());


        // POSITIVE ITEM LABEL POSITION
        detector.setNotified(false);
        r1.setPositiveItemLabelPosition(new ItemLabelPosition(
                ItemLabelAnchor.CENTER, TextAnchor.CENTER));
        assertTrue(detector.getNotified());


        detector.setNotified(false);
        r1.setSeriesPositiveItemLabelPosition(0, new ItemLabelPosition(
                ItemLabelAnchor.CENTER, TextAnchor.CENTER));
        assertTrue(detector.getNotified());


        detector.setNotified(false);
        r1.setBasePositiveItemLabelPosition(new ItemLabelPosition(
                ItemLabelAnchor.CENTER, TextAnchor.CENTER));
        assertTrue(detector.getNotified());


        // NEGATIVE ITEM LABEL ANCHOR
        detector.setNotified(false);
        r1.setNegativeItemLabelPosition(
            new ItemLabelPosition(ItemLabelAnchor.CENTER, TextAnchor.CENTER)
        );
        assertTrue(detector.getNotified());


        detector.setNotified(false);
        r1.setSeriesNegativeItemLabelPosition(0, new ItemLabelPosition(
                ItemLabelAnchor.CENTER, TextAnchor.CENTER));
        assertTrue(detector.getNotified());


        detector.setNotified(false);
        r1.setBaseNegativeItemLabelPosition(new ItemLabelPosition(
                ItemLabelAnchor.CENTER, TextAnchor.CENTER));
        assertTrue(detector.getNotified());


    }

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     * test for a bug that was reported where the listener list is 'null' after
     * deserialization.
     */
    public void testSerialization() {


        BarRenderer r1 = new BarRenderer();
        r1.setBaseLegendTextFont(new Font("Dialog", Font.PLAIN, 4));
        r1.setBaseLegendTextPaint(new GradientPaint(1.0f, 2.0f, Color.red,
                3.0f, 4.0f, Color.green));
        r1.setBaseLegendShape(new Line2D.Double(1.0, 2.0, 3.0, 4.0));
        BarRenderer r2 = null;


        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(r1);
            out.close();


            ObjectInput in = new ObjectInputStream(
                    new ByteArrayInputStream(buffer.toByteArray()));
            r2 = (BarRenderer) in.readObject();
            in.close();
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        assertEquals(r1, r2);
        try {
            r2.notifyListeners(new RendererChangeEvent(r2));
        }
        catch (NullPointerException e) {
            assertTrue(false);  // failed
        }

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    /**
     * Some checks for the autoPopulate flag default values.
     */
    public void testAutoPopulateFlagDefaults() {
        BarRenderer r = new BarRenderer();
        assertEquals(true, r.getAutoPopulateSeriesPaint());
        assertEquals(false, r.getAutoPopulateSeriesFillPaint());
        assertEquals(false, r.getAutoPopulateSeriesOutlinePaint());
        assertEquals(true, r.getAutoPopulateSeriesStroke());
        assertEquals(false, r.getAutoPopulateSeriesOutlineStroke());
        assertEquals(true, r.getAutoPopulateSeriesShape());
    }

View Full Code Here


    /**
     * Some checks for the paint lookup mechanism.
     */
    public void testPaintLookup() {
        BarRenderer r = new BarRenderer();
        assertEquals(Color.blue, r.getBasePaint());


        // first check that autoPopulate==false works as expected
        r.setAutoPopulateSeriesPaint(false);
        assertEquals(Color.blue, r.lookupSeriesPaint(0));
        assertNull(r.getSeriesPaint(0));


        // now check autoPopulate==true
        r.setAutoPopulateSeriesPaint(true);
        /*CategoryPlot plot =*/ new CategoryPlot(null, new CategoryAxis(
                "Category"), new NumberAxis("Value"), r);
        assertEquals(DefaultDrawingSupplier.DEFAULT_PAINT_SEQUENCE[0],
                r.lookupSeriesPaint(0));
        assertNotNull(r.getSeriesPaint(0));
    }

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