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Example 1 with Rotation

use of org.jfree.util.Rotation in project SIMVA-SoS by SESoS.

the class RingPlot method drawItem.

/**
 * Draws a single data item.
 *
 * @param g2  the graphics device (<code>null</code> not permitted).
 * @param section  the section index.
 * @param dataArea  the data plot area.
 * @param state  state information for one chart.
 * @param currentPass  the current pass index.
 */
@Override
protected void drawItem(Graphics2D g2, int section, Rectangle2D dataArea, PiePlotState state, int currentPass) {
    PieDataset dataset = getDataset();
    Number n = dataset.getValue(section);
    if (n == null) {
        return;
    }
    double value = n.doubleValue();
    double angle1 = 0.0;
    double angle2 = 0.0;
    Rotation direction = getDirection();
    if (direction == Rotation.CLOCKWISE) {
        angle1 = state.getLatestAngle();
        angle2 = angle1 - value / state.getTotal() * 360.0;
    } else if (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);
    if (Math.abs(angle) > getMinimumArcAngleToDraw()) {
        Comparable key = getSectionKey(section);
        double ep = 0.0;
        double mep = getMaximumExplodePercent();
        if (mep > 0.0) {
            ep = getExplodePercent(key) / mep;
        }
        Rectangle2D arcBounds = getArcBounds(state.getPieArea(), state.getExplodedPieArea(), angle1, angle, ep);
        Arc2D.Double arc = new Arc2D.Double(arcBounds, angle1, angle, Arc2D.OPEN);
        // create the bounds for the inner arc
        double depth = this.sectionDepth / 2.0;
        RectangleInsets s = new RectangleInsets(UnitType.RELATIVE, depth, depth, depth, depth);
        Rectangle2D innerArcBounds = new Rectangle2D.Double();
        innerArcBounds.setRect(arcBounds);
        s.trim(innerArcBounds);
        // calculate inner arc in reverse direction, for later
        // GeneralPath construction
        Arc2D.Double arc2 = new Arc2D.Double(innerArcBounds, angle1 + angle, -angle, Arc2D.OPEN);
        GeneralPath path = new GeneralPath();
        path.moveTo((float) arc.getStartPoint().getX(), (float) arc.getStartPoint().getY());
        path.append(arc.getPathIterator(null), false);
        path.append(arc2.getPathIterator(null), true);
        path.closePath();
        Line2D separator = new Line2D.Double(arc2.getEndPoint(), arc.getStartPoint());
        if (currentPass == 0) {
            Paint shadowPaint = getShadowPaint();
            double shadowXOffset = getShadowXOffset();
            double shadowYOffset = getShadowYOffset();
            if (shadowPaint != null && getShadowGenerator() == null) {
                Shape shadowArc = ShapeUtilities.createTranslatedShape(path, (float) shadowXOffset, (float) shadowYOffset);
                g2.setPaint(shadowPaint);
                g2.fill(shadowArc);
            }
        } else if (currentPass == 1) {
            Paint paint = lookupSectionPaint(key);
            g2.setPaint(paint);
            g2.fill(path);
            Paint outlinePaint = lookupSectionOutlinePaint(key);
            Stroke outlineStroke = lookupSectionOutlineStroke(key);
            if (getSectionOutlinesVisible() && outlinePaint != null && outlineStroke != null) {
                g2.setPaint(outlinePaint);
                g2.setStroke(outlineStroke);
                g2.draw(path);
            }
            if (section == 0) {
                String nstr = null;
                if (this.centerTextMode.equals(CenterTextMode.VALUE)) {
                    nstr = this.centerTextFormatter.format(n);
                } else if (this.centerTextMode.equals(CenterTextMode.FIXED)) {
                    nstr = this.centerText;
                }
                if (nstr != null) {
                    g2.setFont(this.centerTextFont);
                    g2.setPaint(this.centerTextColor);
                    TextUtilities.drawAlignedString(nstr, g2, (float) dataArea.getCenterX(), (float) dataArea.getCenterY(), TextAnchor.CENTER);
                }
            }
            // add an entity for the pie section
            if (state.getInfo() != null) {
                EntityCollection entities = state.getEntityCollection();
                if (entities != null) {
                    String tip = null;
                    PieToolTipGenerator toolTipGenerator = getToolTipGenerator();
                    if (toolTipGenerator != null) {
                        tip = toolTipGenerator.generateToolTip(dataset, key);
                    }
                    String url = null;
                    PieURLGenerator urlGenerator = getURLGenerator();
                    if (urlGenerator != null) {
                        url = urlGenerator.generateURL(dataset, key, getPieIndex());
                    }
                    PieSectionEntity entity = new PieSectionEntity(path, dataset, getPieIndex(), section, key, tip, url);
                    entities.add(entity);
                }
            }
        } else if (currentPass == 2) {
            if (this.separatorsVisible) {
                Line2D extendedSeparator = LineUtilities.extendLine(separator, this.innerSeparatorExtension, this.outerSeparatorExtension);
                g2.setStroke(this.separatorStroke);
                g2.setPaint(this.separatorPaint);
                g2.draw(extendedSeparator);
            }
        }
    }
    state.setLatestAngle(angle2);
}
Also used : PieURLGenerator(org.jfree.chart.urls.PieURLGenerator) Stroke(java.awt.Stroke) BasicStroke(java.awt.BasicStroke) Shape(java.awt.Shape) GeneralPath(java.awt.geom.GeneralPath) Rectangle2D(java.awt.geom.Rectangle2D) Paint(java.awt.Paint) Rotation(org.jfree.util.Rotation) Arc2D(java.awt.geom.Arc2D) Line2D(java.awt.geom.Line2D) PieToolTipGenerator(org.jfree.chart.labels.PieToolTipGenerator) PieDataset(org.jfree.data.general.PieDataset) EntityCollection(org.jfree.chart.entity.EntityCollection) RectangleInsets(org.jfree.ui.RectangleInsets) PieSectionEntity(org.jfree.chart.entity.PieSectionEntity)

Aggregations

BasicStroke (java.awt.BasicStroke)1 Paint (java.awt.Paint)1 Shape (java.awt.Shape)1 Stroke (java.awt.Stroke)1 Arc2D (java.awt.geom.Arc2D)1 GeneralPath (java.awt.geom.GeneralPath)1 Line2D (java.awt.geom.Line2D)1 Rectangle2D (java.awt.geom.Rectangle2D)1 EntityCollection (org.jfree.chart.entity.EntityCollection)1 PieSectionEntity (org.jfree.chart.entity.PieSectionEntity)1 PieToolTipGenerator (org.jfree.chart.labels.PieToolTipGenerator)1 PieURLGenerator (org.jfree.chart.urls.PieURLGenerator)1 PieDataset (org.jfree.data.general.PieDataset)1 RectangleInsets (org.jfree.ui.RectangleInsets)1 Rotation (org.jfree.util.Rotation)1