Examples of org.jfree.chart.PaintMap

org.jfree.chart.PaintMap
A storage structure that maps Comparable instances with Paint instances.

To support cloning and serialization, you should only use keys that are cloneable and serializable. Special handling for the Paint instances is included in this class. @since 1.0.3


    /** The base outline stroke (fallback). */
    private transient Stroke baseOutlineStroke;


    public StandardDiscItemRenderer() {
        this.discPaintMap = new PaintMap();
        this.baseDiscPaint = Color.gray;
        this.labelPaintMap = new PaintMap();
        this.labelPadding = 5;
        this.minLabelChars = 4;
        this.outlinePaintMap = new PaintMap();
        this.baseOutlinePaint = null;
        this.outlineStrokeMap = new StrokeMap();
        this.baseOutlineStroke = Plot.DEFAULT_OUTLINE_STROKE;
    }

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    private StrokeMap strokeMap;


    public RangeXYItemRenderer() {
        super();
        this.line = new Line2D.Double(0.0, 0.0, 0.0, 0.0);
        this.paintMap = new PaintMap();
        this.strokeMap = new StrokeMap();
    }

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    /**
     * Some checks for the getPaint() method.
     */
    public void testGetPaint() {
        PaintMap m1 = new PaintMap();
        assertEquals(null, m1.getPaint("A"));
        m1.put("A", Color.red);
        assertEquals(Color.red, m1.getPaint("A"));
        m1.put("A", null);
        assertEquals(null, m1.getPaint("A"));


        // a null key should throw an IllegalArgumentException
        boolean pass = false;
        try {
            m1.getPaint(null);
        }
        catch (IllegalArgumentException e) {
            pass = true;
        }
        assertTrue(pass);

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    /**
     * Some checks for the put() method.
     */
    public void testPut() {
        PaintMap m1 = new PaintMap();
        m1.put("A", Color.red);
        assertEquals(Color.red, m1.getPaint("A"));


        // a null key should throw an IllegalArgumentException
        boolean pass = false;
        try {
            m1.put(null, Color.blue);
        }
        catch (IllegalArgumentException e) {
            pass = true;
        }
        assertTrue(pass);

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    /**
     * Some checks for the equals() method.
     */
    public void testEquals() {
        PaintMap m1 = new PaintMap();
        PaintMap m2 = new PaintMap();
        assertTrue(m1.equals(m1));
        assertTrue(m1.equals(m2));
        assertFalse(m1.equals(null));
        assertFalse(m1.equals("ABC"));


        m1.put("K1", Color.red);
        assertFalse(m1.equals(m2));
        m2.put("K1", Color.red);
        assertTrue(m1.equals(m2));


        m1.put("K2", new GradientPaint(1.0f, 2.0f, Color.green, 3.0f, 4.0f,
                Color.yellow));
        assertFalse(m1.equals(m2));
        m2.put("K2", new GradientPaint(1.0f, 2.0f, Color.green, 3.0f, 4.0f,
                Color.yellow));
        assertTrue(m1.equals(m2));


        m1.put("K2", null);
        assertFalse(m1.equals(m2));
        m2.put("K2", null);
        assertTrue(m1.equals(m2));
    }

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    /**
     * Some checks for cloning.
     */
    public void testCloning() {
        PaintMap m1 = new PaintMap();
        PaintMap m2 = null;
        try {
            m2 = (PaintMap) m1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();

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    /**
     * A check for serialization.
     */
    public void testSerialization1() {
        PaintMap m1 = new PaintMap();
        PaintMap m2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(m1);
            out.close();

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    /**
     * A check for serialization.
     */
    public void testSerialization2() {
        PaintMap m1 = new PaintMap();
        m1.put("K1", Color.red);
        m1.put("K2", new GradientPaint(1.0f, 2.0f, Color.green, 3.0f, 4.0f,
                Color.yellow));
        PaintMap m2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(m1);
            out.close();

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     * This test covers a bug reported in the forum:
     *
     * http://www.jfree.org/phpBB2/viewtopic.php?t=19980
     */
    public void testKeysOfDifferentClasses() {
        PaintMap m = new PaintMap();
        m.put("ABC", Color.red);
        m.put(new Integer(99), Color.blue);
        assertEquals(Color.blue, m.getPaint(new Integer(99)));
    }

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    /**
     * Some checks for the getPaint() method.
     */
    public void testGetPaint() {
        PaintMap m1 = new PaintMap();
        assertEquals(null, m1.getPaint("A"));
        m1.put("A", Color.red);
        assertEquals(Color.red, m1.getPaint("A"));
        m1.put("A", null);
        assertEquals(null, m1.getPaint("A"));


        // a null key should throw an IllegalArgumentException
        boolean pass = false;
        try {
            m1.getPaint(null);
        }
        catch (IllegalArgumentException e) {
            pass = true;
        }
        assertTrue(pass);

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Related Classes of org.jfree.chart.PaintMap

net.sourceforge.processdash.ev.ui.chart.RangeXYItemRenderer

net.sourceforge.processdash.ui.lib.chart.StandardDiscItemRenderer

org.jfree.chart.junit.PaintMapTests

org.jfree.chart.plot.PiePlot

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