Examples with EntityCollection org.jfree.chart.entity.EntityCollection used on opensource projects

Example 11 with EntityCollection

use of org.jfree.chart.entity.EntityCollection in project hudson-2.x by hudson.

the class StackedAreaRenderer2 method drawItem.

// Mostly copied from the base class.
@Override
public void drawItem(Graphics2D g2, CategoryItemRendererState state, Rectangle2D dataArea, CategoryPlot plot, CategoryAxis domainAxis, ValueAxis rangeAxis, CategoryDataset dataset, int row, int column, int pass) {
    // plot non-null values...
    Number dataValue = dataset.getValue(row, column);
    if (dataValue == null) {
        return;
    }
    double value = dataValue.doubleValue();
    // leave the y values (y1, y0) untranslated as it is going to be be
    // stacked up later by previous series values, after this it will be
    // translated.
    double xx1 = domainAxis.getCategoryMiddle(column, getColumnCount(), dataArea, plot.getDomainAxisEdge());
    double previousHeightx1 = getPreviousHeight(dataset, row, column);
    double y1 = value + previousHeightx1;
    RectangleEdge location = plot.getRangeAxisEdge();
    double yy1 = rangeAxis.valueToJava2D(y1, dataArea, location);
    g2.setPaint(getItemPaint(row, column));
    g2.setStroke(getItemStroke(row, column));
    // add an item entity, if this information is being collected
    EntityCollection entities = state.getEntityCollection();
    // and this is done in the second pass...
    if (column == 0) {
        if (pass == 1) {
            // draw item labels, if visible
            if (isItemLabelVisible(row, column)) {
                drawItemLabel(g2, plot.getOrientation(), dataset, row, column, xx1, yy1, (y1 < 0.0));
            }
        }
    } else {
        Number previousValue = dataset.getValue(row, column - 1);
        if (previousValue != null) {
            double xx0 = domainAxis.getCategoryMiddle(column - 1, getColumnCount(), dataArea, plot.getDomainAxisEdge());
            double y0 = previousValue.doubleValue();
            // Get the previous height, but this will be different for both
            // y0 and y1 as the previous series values could differ.
            double previousHeightx0 = getPreviousHeight(dataset, row, column - 1);
            // Now stack the current y values on top of the previous values.
            y0 += previousHeightx0;
            // Now translate the previous heights
            double previousHeightxx0 = rangeAxis.valueToJava2D(previousHeightx0, dataArea, location);
            double previousHeightxx1 = rangeAxis.valueToJava2D(previousHeightx1, dataArea, location);
            // Now translate the current y values.
            double yy0 = rangeAxis.valueToJava2D(y0, dataArea, location);
            if (pass == 0) {
                // left half
                Polygon p = new Polygon();
                p.addPoint((int) xx0, (int) yy0);
                p.addPoint((int) (xx0 + xx1) / 2, (int) (yy0 + yy1) / 2);
                p.addPoint((int) (xx0 + xx1) / 2, (int) (previousHeightxx0 + previousHeightxx1) / 2);
                p.addPoint((int) xx0, (int) previousHeightxx0);
                g2.setPaint(getItemPaint(row, column - 1));
                g2.setStroke(getItemStroke(row, column - 1));
                g2.fill(p);
                if (entities != null)
                    addItemEntity(entities, dataset, row, column - 1, p);
                // right half
                p = new Polygon();
                p.addPoint((int) xx1, (int) yy1);
                p.addPoint((int) (xx0 + xx1) / 2, (int) (yy0 + yy1) / 2);
                p.addPoint((int) (xx0 + xx1) / 2, (int) (previousHeightxx0 + previousHeightxx1) / 2);
                p.addPoint((int) xx1, (int) previousHeightxx1);
                g2.setPaint(getItemPaint(row, column));
                g2.setStroke(getItemStroke(row, column));
                g2.fill(p);
                if (entities != null)
                    addItemEntity(entities, dataset, row, column, p);
            } else {
                if (isItemLabelVisible(row, column)) {
                    drawItemLabel(g2, plot.getOrientation(), dataset, row, column, xx1, yy1, (y1 < 0.0));
                }
            }
        }
    }
}

Example 12 with EntityCollection

use of org.jfree.chart.entity.EntityCollection in project hudson-2.x by hudson.

the class NoOverlapCategoryAxis method drawCategoryLabels.

@Override
protected AxisState drawCategoryLabels(Graphics2D g2, Rectangle2D plotArea, Rectangle2D dataArea, RectangleEdge edge, AxisState state, PlotRenderingInfo plotState) {
    if (state == null) {
        throw new IllegalArgumentException("Null 'state' argument.");
    }
    if (isTickLabelsVisible()) {
        java.util.List ticks = refreshTicks(g2, state, plotArea, edge);
        state.setTicks(ticks);
        // remember the last drawn label so that we can avoid drawing overlapping labels.
        Rectangle2D r = null;
        int categoryIndex = 0;
        Iterator iterator = ticks.iterator();
        while (iterator.hasNext()) {
            CategoryTick tick = (CategoryTick) iterator.next();
            g2.setFont(getTickLabelFont(tick.getCategory()));
            g2.setPaint(getTickLabelPaint(tick.getCategory()));
            CategoryLabelPosition position = this.getCategoryLabelPositions().getLabelPosition(edge);
            double x0 = 0.0;
            double x1 = 0.0;
            double y0 = 0.0;
            double y1 = 0.0;
            if (edge == RectangleEdge.TOP) {
                x0 = getCategoryStart(categoryIndex, ticks.size(), dataArea, edge);
                x1 = getCategoryEnd(categoryIndex, ticks.size(), dataArea, edge);
                y1 = state.getCursor() - this.getCategoryLabelPositionOffset();
                y0 = y1 - state.getMax();
            } else if (edge == RectangleEdge.BOTTOM) {
                x0 = getCategoryStart(categoryIndex, ticks.size(), dataArea, edge);
                x1 = getCategoryEnd(categoryIndex, ticks.size(), dataArea, edge);
                y0 = state.getCursor() + this.getCategoryLabelPositionOffset();
                y1 = y0 + state.getMax();
            } else if (edge == RectangleEdge.LEFT) {
                y0 = getCategoryStart(categoryIndex, ticks.size(), dataArea, edge);
                y1 = getCategoryEnd(categoryIndex, ticks.size(), dataArea, edge);
                x1 = state.getCursor() - this.getCategoryLabelPositionOffset();
                x0 = x1 - state.getMax();
            } else if (edge == RectangleEdge.RIGHT) {
                y0 = getCategoryStart(categoryIndex, ticks.size(), dataArea, edge);
                y1 = getCategoryEnd(categoryIndex, ticks.size(), dataArea, edge);
                x0 = state.getCursor() + this.getCategoryLabelPositionOffset();
                x1 = x0 - state.getMax();
            }
            Rectangle2D area = new Rectangle2D.Double(x0, y0, (x1 - x0), (y1 - y0));
            if (r == null || !r.intersects(area)) {
                Point2D anchorPoint = RectangleAnchor.coordinates(area, position.getCategoryAnchor());
                TextBlock block = tick.getLabel();
                block.draw(g2, (float) anchorPoint.getX(), (float) anchorPoint.getY(), position.getLabelAnchor(), (float) anchorPoint.getX(), (float) anchorPoint.getY(), position.getAngle());
                Shape bounds = block.calculateBounds(g2, (float) anchorPoint.getX(), (float) anchorPoint.getY(), position.getLabelAnchor(), (float) anchorPoint.getX(), (float) anchorPoint.getY(), position.getAngle());
                if (plotState != null && plotState.getOwner() != null) {
                    EntityCollection entities = plotState.getOwner().getEntityCollection();
                    if (entities != null) {
                        String tooltip = getCategoryLabelToolTip(tick.getCategory());
                        entities.add(new CategoryLabelEntity(tick.getCategory(), bounds, tooltip, null));
                    }
                }
                r = bounds.getBounds2D();
            }
            categoryIndex++;
        }
        if (edge.equals(RectangleEdge.TOP)) {
            double h = state.getMax();
            state.cursorUp(h);
        } else if (edge.equals(RectangleEdge.BOTTOM)) {
            double h = state.getMax();
            state.cursorDown(h);
        } else if (edge == RectangleEdge.LEFT) {
            double w = state.getMax();
            state.cursorLeft(w);
        } else if (edge == RectangleEdge.RIGHT) {
            double w = state.getMax();
            state.cursorRight(w);
        }
    }
    return state;
}