Java Rotation.CLOCKWISE屬性代碼示例

/**
 * Creates a new spider web plot with the given dataset.
 *
 * @param dataset  the dataset.
 * @param extract  controls how data is extracted ({@link TableOrder#BY_ROW}
 *                 or {@link TableOrder#BY_COLUMN}).
 */
public SpiderWebPlot(CategoryDataset dataset, TableOrder extract) {
    super();
    Args.nullNotPermitted(extract, "extract");
    this.dataset = dataset;
    if (dataset != null) {
        dataset.addChangeListener(this);
    }

    this.dataExtractOrder = extract;
    this.headPercent = DEFAULT_HEAD;
    this.axisLabelGap = DEFAULT_AXIS_LABEL_GAP;
    this.axisLinePaint = Color.BLACK;
    this.axisLineStroke = new BasicStroke(1.0f);

    this.interiorGap = DEFAULT_INTERIOR_GAP;
    this.startAngle = DEFAULT_START_ANGLE;
    this.direction = Rotation.CLOCKWISE;
    this.maxValue = DEFAULT_MAX_VALUE;

    this.seriesPaint = null;
    this.seriesPaintList = new PaintList();
    this.baseSeriesPaint = null;

    this.seriesOutlinePaint = null;
    this.seriesOutlinePaintList = new PaintList();
    this.baseSeriesOutlinePaint = DEFAULT_OUTLINE_PAINT;

    this.seriesOutlineStroke = null;
    this.seriesOutlineStrokeList = new StrokeList();
    this.baseSeriesOutlineStroke = DEFAULT_OUTLINE_STROKE;

    this.labelFont = DEFAULT_LABEL_FONT;
    this.labelPaint = DEFAULT_LABEL_PAINT;
    this.labelGenerator = new StandardCategoryItemLabelGenerator();

    this.legendItemShape = DEFAULT_LEGEND_ITEM_CIRCLE;
}
 

/**
 * Creates a new spider web plot with the given dataset.
 *
 * @param dataset  the dataset.
 * @param extract  controls how data is extracted ({@link TableOrder#BY_ROW}
 *                 or {@link TableOrder#BY_COLUMN}).
 */
public SpiderWebPlot(CategoryDataset dataset, TableOrder extract) {
    super();
    if (extract == null) {
        throw new IllegalArgumentException("Null 'extract' argument.");
    }
    this.dataset = dataset;
    if (dataset != null) {
        dataset.addChangeListener(this);
    }

    this.dataExtractOrder = extract;
    this.headPercent = DEFAULT_HEAD;
    this.axisLabelGap = DEFAULT_AXIS_LABEL_GAP;
    this.axisLinePaint = Color.black;
    this.axisLineStroke = new BasicStroke(1.0f);

    this.interiorGap = DEFAULT_INTERIOR_GAP;
    this.startAngle = DEFAULT_START_ANGLE;
    this.direction = Rotation.CLOCKWISE;
    this.maxValue = DEFAULT_MAX_VALUE;

    this.seriesPaint = null;
    this.seriesPaintList = new PaintList();
    this.baseSeriesPaint = null;

    this.seriesOutlinePaint = null;
    this.seriesOutlinePaintList = new PaintList();
    this.baseSeriesOutlinePaint = DEFAULT_OUTLINE_PAINT;

    this.seriesOutlineStroke = null;
    this.seriesOutlineStrokeList = new StrokeList();
    this.baseSeriesOutlineStroke = DEFAULT_OUTLINE_STROKE;

    this.labelFont = DEFAULT_LABEL_FONT;
    this.labelPaint = DEFAULT_LABEL_PAINT;
    this.labelGenerator = new StandardCategoryItemLabelGenerator();

    this.legendItemShape = DEFAULT_LEGEND_ITEM_CIRCLE;
}
 

private double calculateAngleForValue(double value, double total) {
    if (this.direction == Rotation.CLOCKWISE) {
        return this.startAngle - (value / total * 360.0);
    }
    else if (this.direction == Rotation.ANTICLOCKWISE) {
        return this.startAngle + (value / total * 360.0);
    }
    throw new RuntimeException("Unrecognised Rotation type.");
}
 

/**
 * Creates a plot that will draw a pie chart for the specified dataset.
 *
 * @param dataset  the dataset ({@code null} 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.defaultSectionPaint = Color.GRAY;
    this.autoPopulateSectionPaint = true;

    this.sectionOutlinesVisible = true;
    this.sectionOutlinePaintMap = new PaintMap();
    this.defaultSectionOutlinePaint = DEFAULT_OUTLINE_PAINT;
    this.autoPopulateSectionOutlinePaint = false;

    this.sectionOutlineStrokeMap = new StrokeMap();
    this.defaultSectionOutlineStroke = 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;
}
 

/**
 * Returns the center for the specified section.
 * Checks to see if the section is exploded and recalculates the
 * new center if so.
 *
 * @param state  PiePlotState
 * @param key  section key.
 *
 * @return The center for the specified section.
 *
 * @since 1.0.14
 */
protected Point2D getArcCenter(PiePlotState state, Comparable key) {
    Point2D center = new Point2D.Double(state.getPieCenterX(), state
        .getPieCenterY());

    double ep = getExplodePercent(key);
    double mep = getMaximumExplodePercent();
    if (mep > 0.0) {
        ep = ep / mep;
    }
    if (ep != 0) {
        Rectangle2D pieArea = state.getPieArea();
        Rectangle2D expPieArea = state.getExplodedPieArea();
        double angle1, angle2;
        Number n = this.dataset.getValue(key);
        double value = n.doubleValue();

        if (this.direction == Rotation.CLOCKWISE) {
            angle1 = state.getLatestAngle();
            angle2 = angle1 - value / state.getTotal() * 360.0;
        } else if (this.direction == Rotation.ANTICLOCKWISE) {
            angle1 = state.getLatestAngle();
            angle2 = angle1 + value / state.getTotal() * 360.0;
        } else {
            throw new IllegalStateException("Rotation type not recognised.");
        }
        double angle = (angle2 - angle1);

        Arc2D arc1 = new Arc2D.Double(pieArea, angle1, angle / 2,
                Arc2D.OPEN);
        Point2D point1 = arc1.getEndPoint();
        Arc2D.Double arc2 = new Arc2D.Double(expPieArea, angle1, angle / 2,
                Arc2D.OPEN);
        Point2D point2 = arc2.getEndPoint();
        double deltaX = (point1.getX() - point2.getX()) * ep;
        double deltaY = (point1.getY() - point2.getY()) * ep;

        center = new Point2D.Double(state.getPieCenterX() - deltaX,
                 state.getPieCenterY() - deltaY);

    }
    return center;
}
 

/**
 * 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.autoPopulateSectionPaint = true;

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

    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.selectedItemAttributes = new PieSelectionAttributes();
    this.shadowGenerator = new DefaultShadowGenerator();
}
 

/**
 * Returns a shape representing the hotspot for a pie section.
 *
 * @param g2  the graphics device.
 * @param dataArea  the area within which the data is being rendered.
 * @param selected  is the item selected?
 *
 * @return A shape equal to the hot spot for a data item.
 */
public Shape createHotSpotShape(Graphics2D g2, Rectangle2D dataArea,
        int section, boolean selected) {

    Number n = this.dataset.getValue(section);
    if (n == null) {
        return null;
    }
    double value = n.doubleValue();
    double angle1 = 0.0;
    double angle2 = 0.0;

    double total = DatasetUtilities.calculatePieDatasetTotal(this.dataset);
    double lead = 0.0;
    if (this.direction == Rotation.CLOCKWISE) {
        for (int i = 0; i < section; i++) {
            n = this.dataset.getValue(i);
            if (n != null) {
                value = n.doubleValue();
                if (value >= 0.0) {
                    lead = lead + value;
                }
            }
        }
        angle1 = getStartAngle() - lead / total * 360.0;
        angle2 = angle1 - value / total * 360.0;
    }
    else if (this.direction == Rotation.ANTICLOCKWISE) {
        angle1 = getStartAngle() + lead / total * 360.0;
        angle2 = angle1 + value / total * 360.0;
    }
    else {
        throw new IllegalStateException("Rotation type not recognised.");
    }

    double angle = (angle2 - angle1);
    if (Math.abs(angle) > getMinimumArcAngleToDraw()) {
        double ep = 0.0;
        double mep = getMaximumExplodePercent();
        if (mep > 0.0) {
            ep = getExplodePercent(getSectionKey(section)) / mep;
        }
        Rectangle2D arcBounds = getArcBounds(dataArea,
                dataArea, angle1, angle, ep);
        Arc2D.Double arc = new Arc2D.Double(arcBounds, angle1, angle,
                Arc2D.PIE);
        return arc;
    }
    return null;
}