/**
 * 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);
}
 

/**
 * 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);
}
 

/**
 * 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));
}
 

/**
 * 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)));
}
 

/**
 * Creates a plot that will draw a pie chart for the specified dataset.
 *
 * @param dataset  the dataset (<code>null</code> permitted).
 */
public PiePlot(PieDataset dataset) {
    super();
    this.dataset = dataset;
    if (dataset != null) {
        dataset.addChangeListener(this);
    }
    this.pieIndex = 0;

    this.interiorGap = DEFAULT_INTERIOR_GAP;
    this.circular = true;
    this.startAngle = DEFAULT_START_ANGLE;
    this.direction = Rotation.CLOCKWISE;
    this.minimumArcAngleToDraw = DEFAULT_MINIMUM_ARC_ANGLE_TO_DRAW;

    this.sectionPaint = null;
    this.sectionPaintMap = new PaintMap();
    this.baseSectionPaint = Color.gray;
    this.autoPopulateSectionPaint = true;

    this.sectionOutlinesVisible = true;
    this.sectionOutlinePaint = null;
    this.sectionOutlinePaintMap = new PaintMap();
    this.baseSectionOutlinePaint = DEFAULT_OUTLINE_PAINT;
    this.autoPopulateSectionOutlinePaint = false;

    this.sectionOutlineStroke = null;
    this.sectionOutlineStrokeMap = new StrokeMap();
    this.baseSectionOutlineStroke = DEFAULT_OUTLINE_STROKE;
    this.autoPopulateSectionOutlineStroke = false;

    this.explodePercentages = new TreeMap();

    this.labelGenerator = new StandardPieSectionLabelGenerator();
    this.labelFont = DEFAULT_LABEL_FONT;
    this.labelPaint = DEFAULT_LABEL_PAINT;
    this.labelBackgroundPaint = DEFAULT_LABEL_BACKGROUND_PAINT;
    this.labelOutlinePaint = DEFAULT_LABEL_OUTLINE_PAINT;
    this.labelOutlineStroke = DEFAULT_LABEL_OUTLINE_STROKE;
    this.labelShadowPaint = DEFAULT_LABEL_SHADOW_PAINT;
    this.labelLinksVisible = true;
    this.labelDistributor = new PieLabelDistributor(0);

    this.simpleLabels = false;
    this.simpleLabelOffset = new RectangleInsets(UnitType.RELATIVE, 0.18,
            0.18, 0.18, 0.18);
    this.labelPadding = new RectangleInsets(2, 2, 2, 2);

    this.toolTipGenerator = null;
    this.urlGenerator = null;
    this.legendLabelGenerator = new StandardPieSectionLabelGenerator();
    this.legendLabelToolTipGenerator = null;
    this.legendLabelURLGenerator = null;
    this.legendItemShape = Plot.DEFAULT_LEGEND_ITEM_CIRCLE;

    this.ignoreNullValues = false;
    this.ignoreZeroValues = false;

    this.shadowGenerator = null;
}
 

/**
 * Creates a plot that will draw a pie chart for the specified dataset.
 *
 * @param dataset  the dataset (<code>null</code> permitted).
 */
public PiePlot(PieDataset dataset) {
    super();
    this.dataset = dataset;
    if (dataset != null) {
        dataset.addChangeListener(this);
    }
    this.pieIndex = 0;

    this.interiorGap = DEFAULT_INTERIOR_GAP;
    this.circular = true;
    this.startAngle = DEFAULT_START_ANGLE;
    this.direction = Rotation.CLOCKWISE;
    this.minimumArcAngleToDraw = DEFAULT_MINIMUM_ARC_ANGLE_TO_DRAW;

    this.sectionPaint = null;
    this.sectionPaintMap = new PaintMap();
    this.baseSectionPaint = Color.gray;
    this.autoPopulateSectionPaint = true;

    this.sectionOutlinesVisible = true;
    this.sectionOutlinePaint = null;
    this.sectionOutlinePaintMap = new PaintMap();
    this.baseSectionOutlinePaint = DEFAULT_OUTLINE_PAINT;
    this.autoPopulateSectionOutlinePaint = false;

    this.sectionOutlineStroke = null;
    this.sectionOutlineStrokeMap = new StrokeMap();
    this.baseSectionOutlineStroke = DEFAULT_OUTLINE_STROKE;
    this.autoPopulateSectionOutlineStroke = false;

    this.explodePercentages = new TreeMap();

    this.labelGenerator = new StandardPieSectionLabelGenerator();
    this.labelFont = DEFAULT_LABEL_FONT;
    this.labelPaint = DEFAULT_LABEL_PAINT;
    this.labelBackgroundPaint = DEFAULT_LABEL_BACKGROUND_PAINT;
    this.labelOutlinePaint = DEFAULT_LABEL_OUTLINE_PAINT;
    this.labelOutlineStroke = DEFAULT_LABEL_OUTLINE_STROKE;
    this.labelShadowPaint = DEFAULT_LABEL_SHADOW_PAINT;
    this.labelLinksVisible = true;
    this.labelDistributor = new PieLabelDistributor(0);

    this.simpleLabels = false;
    this.simpleLabelOffset = new RectangleInsets(UnitType.RELATIVE, 0.18,
            0.18, 0.18, 0.18);
    this.labelPadding = new RectangleInsets(2, 2, 2, 2);

    this.toolTipGenerator = null;
    this.urlGenerator = null;
    this.legendLabelGenerator = new StandardPieSectionLabelGenerator();
    this.legendLabelToolTipGenerator = null;
    this.legendLabelURLGenerator = null;
    this.legendItemShape = Plot.DEFAULT_LEGEND_ITEM_CIRCLE;

    this.ignoreNullValues = false;
    this.ignoreZeroValues = false;

    this.shadowGenerator = null;
}
 

/**
 * Creates a plot that will draw a pie chart for the specified dataset.
 *
 * @param dataset  the dataset (<code>null</code> permitted).
 */
public PiePlot(PieDataset dataset) {
    super();
    this.dataset = dataset;
    if (dataset != null) {
        dataset.addChangeListener(this);
    }
    this.pieIndex = 0;

    this.interiorGap = DEFAULT_INTERIOR_GAP;
    this.circular = true;
    this.startAngle = DEFAULT_START_ANGLE;
    this.direction = Rotation.CLOCKWISE;
    this.minimumArcAngleToDraw = DEFAULT_MINIMUM_ARC_ANGLE_TO_DRAW;

    this.sectionPaint = null;
    this.sectionPaintMap = new PaintMap();
    this.baseSectionPaint = Color.gray;
    this.autoPopulateSectionPaint = true;

    this.sectionOutlinesVisible = true;
    this.sectionOutlinePaint = null;
    this.sectionOutlinePaintMap = new PaintMap();
    this.baseSectionOutlinePaint = DEFAULT_OUTLINE_PAINT;
    this.autoPopulateSectionOutlinePaint = false;

    this.sectionOutlineStroke = null;
    this.sectionOutlineStrokeMap = new StrokeMap();
    this.baseSectionOutlineStroke = DEFAULT_OUTLINE_STROKE;
    this.autoPopulateSectionOutlineStroke = false;

    this.explodePercentages = new TreeMap();

    this.labelGenerator = new StandardPieSectionLabelGenerator();
    this.labelFont = DEFAULT_LABEL_FONT;
    this.labelPaint = DEFAULT_LABEL_PAINT;
    this.labelBackgroundPaint = DEFAULT_LABEL_BACKGROUND_PAINT;
    this.labelOutlinePaint = DEFAULT_LABEL_OUTLINE_PAINT;
    this.labelOutlineStroke = DEFAULT_LABEL_OUTLINE_STROKE;
    this.labelShadowPaint = DEFAULT_LABEL_SHADOW_PAINT;
    this.labelLinksVisible = true;
    this.labelDistributor = new PieLabelDistributor(0);

    this.simpleLabels = false;
    this.simpleLabelOffset = new RectangleInsets(UnitType.RELATIVE, 0.18,
            0.18, 0.18, 0.18);
    this.labelPadding = new RectangleInsets(2, 2, 2, 2);

    this.toolTipGenerator = null;
    this.urlGenerator = null;
    this.legendLabelGenerator = new StandardPieSectionLabelGenerator();
    this.legendLabelToolTipGenerator = null;
    this.legendLabelURLGenerator = null;
    this.legendItemShape = Plot.DEFAULT_LEGEND_ITEM_CIRCLE;

    this.ignoreNullValues = false;
    this.ignoreZeroValues = false;

    this.shadowGenerator = null;
}
 

/**
 * Creates a plot that will draw a pie chart for the specified dataset.
 *
 * @param dataset  the dataset (<code>null</code> permitted).
 */
public PiePlot(PieDataset dataset) {
    super();
    this.dataset = dataset;
    if (dataset != null) {
        dataset.addChangeListener(this);
    }
    this.pieIndex = 0;
    
    this.interiorGap = DEFAULT_INTERIOR_GAP;
    this.circular = true;
    this.startAngle = DEFAULT_START_ANGLE;
    this.direction = Rotation.CLOCKWISE;
    this.minimumArcAngleToDraw = DEFAULT_MINIMUM_ARC_ANGLE_TO_DRAW;

    this.sectionPaintMap = new PaintMap();
    this.baseSectionPaint = Color.gray;

    this.sectionOutlinesVisible = true;
    this.sectionOutlinePaintMap = new PaintMap();
    this.baseSectionOutlinePaint = DEFAULT_OUTLINE_PAINT;

    this.sectionOutlineStrokeMap = new StrokeMap();
    this.baseSectionOutlineStroke = DEFAULT_OUTLINE_STROKE;
    
    this.explodePercentages = new TreeMap();

    this.labelGenerator = new StandardPieSectionLabelGenerator();
    this.labelFont = DEFAULT_LABEL_FONT;
    this.labelPaint = DEFAULT_LABEL_PAINT;
    this.labelBackgroundPaint = DEFAULT_LABEL_BACKGROUND_PAINT;
    this.labelOutlinePaint = DEFAULT_LABEL_OUTLINE_PAINT;
    this.labelOutlineStroke = DEFAULT_LABEL_OUTLINE_STROKE;
    this.labelShadowPaint = DEFAULT_LABEL_SHADOW_PAINT;
    this.labelLinksVisible = true;
    this.labelDistributor = new PieLabelDistributor(0);
    
    this.simpleLabels = false;
    this.simpleLabelOffset = new RectangleInsets(UnitType.RELATIVE, 0.18, 
            0.18, 0.18, 0.18);
    this.labelPadding = new RectangleInsets(2, 2, 2, 2);
    
    this.toolTipGenerator = null;
    this.urlGenerator = null;
    this.legendLabelGenerator = new StandardPieSectionLabelGenerator();
    this.legendLabelToolTipGenerator = null;
    this.legendLabelURLGenerator = null;
    this.legendItemShape = Plot.DEFAULT_LEGEND_ITEM_CIRCLE;
    
    this.ignoreNullValues = false;
    this.ignoreZeroValues = false;
}
 

/**
 * Creates a plot that will draw a pie chart for the specified dataset.
 *
 * @param dataset  the dataset (<code>null</code> permitted).
 */
public PiePlot(PieDataset dataset) {
    super();
    this.dataset = dataset;
    if (dataset != null) {
        dataset.addChangeListener(this);
    }
    this.pieIndex = 0;
    
    this.interiorGap = DEFAULT_INTERIOR_GAP;
    this.circular = true;
    this.startAngle = DEFAULT_START_ANGLE;
    this.direction = Rotation.CLOCKWISE;
    this.minimumArcAngleToDraw = DEFAULT_MINIMUM_ARC_ANGLE_TO_DRAW;

    this.sectionPaintMap = new PaintMap();
    this.baseSectionPaint = Color.gray;

    this.sectionOutlinesVisible = true;
    this.sectionOutlinePaintMap = new PaintMap();
    this.baseSectionOutlinePaint = DEFAULT_OUTLINE_PAINT;

    this.sectionOutlineStrokeMap = new StrokeMap();
    this.baseSectionOutlineStroke = DEFAULT_OUTLINE_STROKE;
    
    this.explodePercentages = new TreeMap();

    this.labelGenerator = new StandardPieSectionLabelGenerator();
    this.labelFont = DEFAULT_LABEL_FONT;
    this.labelPaint = DEFAULT_LABEL_PAINT;
    this.labelBackgroundPaint = DEFAULT_LABEL_BACKGROUND_PAINT;
    this.labelOutlinePaint = DEFAULT_LABEL_OUTLINE_PAINT;
    this.labelOutlineStroke = DEFAULT_LABEL_OUTLINE_STROKE;
    this.labelShadowPaint = DEFAULT_LABEL_SHADOW_PAINT;
    this.labelLinksVisible = true;
    this.labelDistributor = new PieLabelDistributor(0);
    
    this.simpleLabels = false;
    this.simpleLabelOffset = new RectangleInsets(UnitType.RELATIVE, 0.18, 
            0.18, 0.18, 0.18);
    this.labelPadding = new RectangleInsets(2, 2, 2, 2);
    
    this.toolTipGenerator = null;
    this.urlGenerator = null;
    this.legendLabelGenerator = new StandardPieSectionLabelGenerator();
    this.legendLabelToolTipGenerator = null;
    this.legendLabelURLGenerator = null;
    this.legendItemShape = Plot.DEFAULT_LEGEND_ITEM_CIRCLE;
    
    this.ignoreNullValues = false;
    this.ignoreZeroValues = false;
}
 

/**
 * Creates a plot that will draw a pie chart for the specified dataset.
 *
 * @param dataset  the dataset (<code>null</code> permitted).
 */
public PiePlot(PieDataset dataset) {
    super();
    this.dataset = dataset;
    if (dataset != null) {
        dataset.addChangeListener(this);
    }
    this.pieIndex = 0;

    this.interiorGap = DEFAULT_INTERIOR_GAP;
    this.circular = true;
    this.startAngle = DEFAULT_START_ANGLE;
    this.direction = Rotation.CLOCKWISE;
    this.minimumArcAngleToDraw = DEFAULT_MINIMUM_ARC_ANGLE_TO_DRAW;

    this.sectionPaint = null;
    this.sectionPaintMap = new PaintMap();
    this.baseSectionPaint = Color.gray;
    this.autoPopulateSectionPaint = true;

    this.sectionOutlinesVisible = true;
    this.sectionOutlinePaint = null;
    this.sectionOutlinePaintMap = new PaintMap();
    this.baseSectionOutlinePaint = DEFAULT_OUTLINE_PAINT;
    this.autoPopulateSectionOutlinePaint = false;

    this.sectionOutlineStroke = null;
    this.sectionOutlineStrokeMap = new StrokeMap();
    this.baseSectionOutlineStroke = DEFAULT_OUTLINE_STROKE;
    this.autoPopulateSectionOutlineStroke = false;

    this.explodePercentages = new TreeMap();

    this.labelGenerator = new StandardPieSectionLabelGenerator();
    this.labelFont = DEFAULT_LABEL_FONT;
    this.labelPaint = DEFAULT_LABEL_PAINT;
    this.labelBackgroundPaint = DEFAULT_LABEL_BACKGROUND_PAINT;
    this.labelOutlinePaint = DEFAULT_LABEL_OUTLINE_PAINT;
    this.labelOutlineStroke = DEFAULT_LABEL_OUTLINE_STROKE;
    this.labelShadowPaint = DEFAULT_LABEL_SHADOW_PAINT;
    this.labelLinksVisible = true;
    this.labelDistributor = new PieLabelDistributor(0);

    this.simpleLabels = false;
    this.simpleLabelOffset = new RectangleInsets(UnitType.RELATIVE, 0.18,
            0.18, 0.18, 0.18);
    this.labelPadding = new RectangleInsets(2, 2, 2, 2);

    this.toolTipGenerator = null;
    this.urlGenerator = null;
    this.legendLabelGenerator = new StandardPieSectionLabelGenerator();
    this.legendLabelToolTipGenerator = null;
    this.legendLabelURLGenerator = null;
    this.legendItemShape = Plot.DEFAULT_LEGEND_ITEM_CIRCLE;

    this.ignoreNullValues = false;
    this.ignoreZeroValues = false;

    this.shadowGenerator = null;
}
 

/**
 * Creates a plot that will draw a pie chart for the specified dataset.
 *
 * @param dataset  the dataset (<code>null</code> permitted).
 */
public PiePlot(PieDataset dataset) {
    super();
    this.dataset = dataset;
    if (dataset != null) {
        dataset.addChangeListener(this);
    }
    this.pieIndex = 0;
    
    this.interiorGap = DEFAULT_INTERIOR_GAP;
    this.circular = true;
    this.startAngle = DEFAULT_START_ANGLE;
    this.direction = Rotation.CLOCKWISE;
    this.minimumArcAngleToDraw = DEFAULT_MINIMUM_ARC_ANGLE_TO_DRAW;

    this.sectionPaintMap = new PaintMap();
    this.baseSectionPaint = Color.gray;

    this.sectionOutlinesVisible = true;
    this.sectionOutlinePaintMap = new PaintMap();
    this.baseSectionOutlinePaint = DEFAULT_OUTLINE_PAINT;

    this.sectionOutlineStrokeMap = new StrokeMap();
    this.baseSectionOutlineStroke = DEFAULT_OUTLINE_STROKE;
    
    this.explodePercentages = new TreeMap();

    this.labelGenerator = new StandardPieSectionLabelGenerator();
    this.labelFont = DEFAULT_LABEL_FONT;
    this.labelPaint = DEFAULT_LABEL_PAINT;
    this.labelBackgroundPaint = DEFAULT_LABEL_BACKGROUND_PAINT;
    this.labelOutlinePaint = DEFAULT_LABEL_OUTLINE_PAINT;
    this.labelOutlineStroke = DEFAULT_LABEL_OUTLINE_STROKE;
    this.labelShadowPaint = DEFAULT_LABEL_SHADOW_PAINT;
    this.labelLinksVisible = true;
    this.labelDistributor = new PieLabelDistributor(0);
    
    this.simpleLabels = false;
    this.simpleLabelOffset = new RectangleInsets(UnitType.RELATIVE, 0.18, 
            0.18, 0.18, 0.18);
    this.labelPadding = new RectangleInsets(2, 2, 2, 2);
    
    this.toolTipGenerator = null;
    this.urlGenerator = null;
    this.legendLabelGenerator = new StandardPieSectionLabelGenerator();
    this.legendLabelToolTipGenerator = null;
    this.legendLabelURLGenerator = null;
    this.legendItemShape = Plot.DEFAULT_LEGEND_ITEM_CIRCLE;
    
    this.ignoreNullValues = false;
    this.ignoreZeroValues = false;
}
 

/**
 * Creates a plot that will draw a pie chart for the specified dataset.
 *
 * @param dataset  the dataset (<code>null</code> permitted).
 */
public PiePlot(PieDataset dataset) {
    super();
    this.dataset = dataset;
    if (dataset != null) {
        dataset.addChangeListener(this);
    }
    this.pieIndex = 0;
    
    this.interiorGap = DEFAULT_INTERIOR_GAP;
    this.circular = true;
    this.startAngle = DEFAULT_START_ANGLE;
    this.direction = Rotation.CLOCKWISE;
    this.minimumArcAngleToDraw = DEFAULT_MINIMUM_ARC_ANGLE_TO_DRAW;
    
    this.sectionPaint = null;
    this.sectionPaintMap = new PaintMap();
    this.baseSectionPaint = Color.gray;

    this.sectionOutlinesVisible = true;
    this.sectionOutlinePaint = null;
    this.sectionOutlinePaintMap = new PaintMap();
    this.baseSectionOutlinePaint = DEFAULT_OUTLINE_PAINT;

    this.sectionOutlineStroke = null;
    this.sectionOutlineStrokeMap = new StrokeMap();
    this.baseSectionOutlineStroke = DEFAULT_OUTLINE_STROKE;
    
    this.explodePercentages = new TreeMap();

    this.labelGenerator = new StandardPieSectionLabelGenerator();
    this.labelFont = DEFAULT_LABEL_FONT;
    this.labelPaint = DEFAULT_LABEL_PAINT;
    this.labelBackgroundPaint = DEFAULT_LABEL_BACKGROUND_PAINT;
    this.labelOutlinePaint = DEFAULT_LABEL_OUTLINE_PAINT;
    this.labelOutlineStroke = DEFAULT_LABEL_OUTLINE_STROKE;
    this.labelShadowPaint = DEFAULT_LABEL_SHADOW_PAINT;
    this.labelLinksVisible = true;
    
    this.toolTipGenerator = null;
    this.urlGenerator = null;
    this.legendLabelGenerator = new StandardPieSectionLabelGenerator();
    this.legendLabelToolTipGenerator = null;
    this.legendLabelURLGenerator = null;
    this.legendItemShape = Plot.DEFAULT_LEGEND_ITEM_CIRCLE;
    
    this.ignoreNullValues = false;
    this.ignoreZeroValues = false;
}
 

/**
 * Creates a plot that will draw a pie chart for the specified dataset.
 *
 * @param dataset  the dataset (<code>null</code> permitted).
 */
public PiePlot(PieDataset dataset) {
    super();
    this.dataset = dataset;
    if (dataset != null) {
        dataset.addChangeListener(this);
    }
    this.pieIndex = 0;

    this.interiorGap = DEFAULT_INTERIOR_GAP;
    this.circular = true;
    this.startAngle = DEFAULT_START_ANGLE;
    this.direction = Rotation.CLOCKWISE;
    this.minimumArcAngleToDraw = DEFAULT_MINIMUM_ARC_ANGLE_TO_DRAW;

    this.sectionPaint = null;
    this.sectionPaintMap = new PaintMap();
    this.baseSectionPaint = Color.gray;
    this.autoPopulateSectionPaint = true;

    this.sectionOutlinesVisible = true;
    this.sectionOutlinePaint = null;
    this.sectionOutlinePaintMap = new PaintMap();
    this.baseSectionOutlinePaint = DEFAULT_OUTLINE_PAINT;
    this.autoPopulateSectionOutlinePaint = false;

    this.sectionOutlineStroke = null;
    this.sectionOutlineStrokeMap = new StrokeMap();
    this.baseSectionOutlineStroke = DEFAULT_OUTLINE_STROKE;
    this.autoPopulateSectionOutlineStroke = false;

    this.explodePercentages = new TreeMap();

    this.labelGenerator = new StandardPieSectionLabelGenerator();
    this.labelFont = DEFAULT_LABEL_FONT;
    this.labelPaint = DEFAULT_LABEL_PAINT;
    this.labelBackgroundPaint = DEFAULT_LABEL_BACKGROUND_PAINT;
    this.labelOutlinePaint = DEFAULT_LABEL_OUTLINE_PAINT;
    this.labelOutlineStroke = DEFAULT_LABEL_OUTLINE_STROKE;
    this.labelShadowPaint = DEFAULT_LABEL_SHADOW_PAINT;
    this.labelLinksVisible = true;
    this.labelDistributor = new PieLabelDistributor(0);

    this.simpleLabels = false;
    this.simpleLabelOffset = new RectangleInsets(UnitType.RELATIVE, 0.18,
            0.18, 0.18, 0.18);
    this.labelPadding = new RectangleInsets(2, 2, 2, 2);

    this.toolTipGenerator = null;
    this.urlGenerator = null;
    this.legendLabelGenerator = new StandardPieSectionLabelGenerator();
    this.legendLabelToolTipGenerator = null;
    this.legendLabelURLGenerator = null;
    this.legendItemShape = Plot.DEFAULT_LEGEND_ITEM_CIRCLE;

    this.ignoreNullValues = false;
    this.ignoreZeroValues = false;

    this.shadowGenerator = null;
}
 

/**
 * Creates a plot that will draw a pie chart for the specified dataset.
 *
 * @param dataset  the dataset (<code>null</code> permitted).
 */
public PiePlot(PieDataset dataset) {
    super();
    this.dataset = dataset;
    if (dataset != null) {
        dataset.addChangeListener(this);
    }
    this.pieIndex = 0;

    this.interiorGap = DEFAULT_INTERIOR_GAP;
    this.circular = true;
    this.startAngle = DEFAULT_START_ANGLE;
    this.direction = Rotation.CLOCKWISE;
    this.minimumArcAngleToDraw = DEFAULT_MINIMUM_ARC_ANGLE_TO_DRAW;

    this.sectionPaint = null;
    this.sectionPaintMap = new PaintMap();
    this.baseSectionPaint = Color.gray;
    this.autoPopulateSectionPaint = true;

    this.sectionOutlinesVisible = true;
    this.sectionOutlinePaint = null;
    this.sectionOutlinePaintMap = new PaintMap();
    this.baseSectionOutlinePaint = DEFAULT_OUTLINE_PAINT;
    this.autoPopulateSectionOutlinePaint = false;

    this.sectionOutlineStroke = null;
    this.sectionOutlineStrokeMap = new StrokeMap();
    this.baseSectionOutlineStroke = DEFAULT_OUTLINE_STROKE;
    this.autoPopulateSectionOutlineStroke = false;

    this.explodePercentages = new TreeMap();

    this.labelGenerator = new StandardPieSectionLabelGenerator();
    this.labelFont = DEFAULT_LABEL_FONT;
    this.labelPaint = DEFAULT_LABEL_PAINT;
    this.labelBackgroundPaint = DEFAULT_LABEL_BACKGROUND_PAINT;
    this.labelOutlinePaint = DEFAULT_LABEL_OUTLINE_PAINT;
    this.labelOutlineStroke = DEFAULT_LABEL_OUTLINE_STROKE;
    this.labelShadowPaint = DEFAULT_LABEL_SHADOW_PAINT;
    this.labelLinksVisible = true;
    this.labelDistributor = new PieLabelDistributor(0);

    this.simpleLabels = false;
    this.simpleLabelOffset = new RectangleInsets(UnitType.RELATIVE, 0.18,
            0.18, 0.18, 0.18);
    this.labelPadding = new RectangleInsets(2, 2, 2, 2);

    this.toolTipGenerator = null;
    this.urlGenerator = null;
    this.legendLabelGenerator = new StandardPieSectionLabelGenerator();
    this.legendLabelToolTipGenerator = null;
    this.legendLabelURLGenerator = null;
    this.legendItemShape = Plot.DEFAULT_LEGEND_ITEM_CIRCLE;

    this.ignoreNullValues = false;
    this.ignoreZeroValues = false;

    this.shadowGenerator = null;
}