Esempio n. 1
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  /**
   * Draws a range marker.
   *
   * @param g2 the graphics device.
   * @param plot the plot.
   * @param axis the value axis.
   * @param marker the marker.
   * @param dataArea the area for plotting data (not including 3D effect).
   */
  @Override
  public void drawRangeMarker(
      Graphics2D g2, CategoryPlot plot, ValueAxis axis, Marker marker, Rectangle2D dataArea) {

    Rectangle2D adjusted =
        new Rectangle2D.Double(
            dataArea.getX(),
            dataArea.getY() + getYOffset(),
            dataArea.getWidth() - getXOffset(),
            dataArea.getHeight() - getYOffset());

    if (marker instanceof ValueMarker) {
      ValueMarker vm = (ValueMarker) marker;
      double value = vm.getValue();
      Range range = axis.getRange();
      if (!range.contains(value)) {
        return;
      }

      GeneralPath path = null;
      PlotOrientation orientation = plot.getOrientation();
      if (orientation == PlotOrientation.HORIZONTAL) {
        float x = (float) axis.valueToJava2D(value, adjusted, plot.getRangeAxisEdge());
        float y = (float) adjusted.getMaxY();
        path = new GeneralPath();
        path.moveTo(x, y);
        path.lineTo((float) (x + getXOffset()), y - (float) getYOffset());
        path.lineTo((float) (x + getXOffset()), (float) (adjusted.getMinY() - getYOffset()));
        path.lineTo(x, (float) adjusted.getMinY());
        path.closePath();
      } else if (orientation == PlotOrientation.VERTICAL) {
        float y = (float) axis.valueToJava2D(value, adjusted, plot.getRangeAxisEdge());
        float x = (float) dataArea.getX();
        path = new GeneralPath();
        path.moveTo(x, y);
        path.lineTo(x + (float) this.xOffset, y - (float) this.yOffset);
        path.lineTo((float) (adjusted.getMaxX() + this.xOffset), y - (float) this.yOffset);
        path.lineTo((float) (adjusted.getMaxX()), y);
        path.closePath();
      }
      g2.setPaint(marker.getPaint());
      g2.fill(path);
      g2.setPaint(marker.getOutlinePaint());
      g2.draw(path);
    } else {
      super.drawRangeMarker(g2, plot, axis, marker, adjusted);
      // TODO: draw the interval marker with a 3D effect
    }
  }
  /**
   * Draw a single data item.
   *
   * @param g2 the graphics device.
   * @param state the renderer state.
   * @param dataArea the area in which the data is drawn.
   * @param plot the plot.
   * @param domainAxis the domain axis.
   * @param rangeAxis the range axis.
   * @param dataset the dataset (a {@link StatisticalCategoryDataset} is required).
   * @param row the row index (zero-based).
   * @param column the column index (zero-based).
   * @param pass the pass.
   */
  @Override
  public void drawItem(
      Graphics2D g2,
      CategoryItemRendererState state,
      Rectangle2D dataArea,
      CategoryPlot plot,
      CategoryAxis domainAxis,
      ValueAxis rangeAxis,
      CategoryDataset dataset,
      int row,
      int column,
      int pass) {

    // do nothing if item is not visible
    if (!getItemVisible(row, column)) {
      return;
    }

    // if the dataset is not a StatisticalCategoryDataset then just revert
    // to the superclass (LineAndShapeRenderer) behaviour...
    if (!(dataset instanceof StatisticalCategoryDataset)) {
      super.drawItem(g2, state, dataArea, plot, domainAxis, rangeAxis, dataset, row, column, pass);
      return;
    }

    int visibleRow = state.getVisibleSeriesIndex(row);
    if (visibleRow < 0) {
      return;
    }
    int visibleRowCount = state.getVisibleSeriesCount();

    StatisticalCategoryDataset statDataset = (StatisticalCategoryDataset) dataset;
    Number meanValue = statDataset.getMeanValue(row, column);
    if (meanValue == null) {
      return;
    }
    PlotOrientation orientation = plot.getOrientation();

    // current data point...
    double x1;
    if (getUseSeriesOffset()) {
      x1 =
          domainAxis.getCategorySeriesMiddle(
              column,
              dataset.getColumnCount(),
              visibleRow,
              visibleRowCount,
              getItemMargin(),
              dataArea,
              plot.getDomainAxisEdge());
    } else {
      x1 =
          domainAxis.getCategoryMiddle(
              column, getColumnCount(), dataArea, plot.getDomainAxisEdge());
    }
    double y1 = rangeAxis.valueToJava2D(meanValue.doubleValue(), dataArea, plot.getRangeAxisEdge());

    // draw the standard deviation lines *before* the shapes (if they're
    // visible) - it looks better if the shape fill colour is different to
    // the line colour
    Number sdv = statDataset.getStdDevValue(row, column);
    if (pass == 1 && sdv != null) {
      // standard deviation lines
      RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
      double valueDelta = sdv.doubleValue();
      double highVal, lowVal;
      if ((meanValue.doubleValue() + valueDelta) > rangeAxis.getRange().getUpperBound()) {
        highVal =
            rangeAxis.valueToJava2D(rangeAxis.getRange().getUpperBound(), dataArea, yAxisLocation);
      } else {
        highVal =
            rangeAxis.valueToJava2D(meanValue.doubleValue() + valueDelta, dataArea, yAxisLocation);
      }

      if ((meanValue.doubleValue() + valueDelta) < rangeAxis.getRange().getLowerBound()) {
        lowVal =
            rangeAxis.valueToJava2D(rangeAxis.getRange().getLowerBound(), dataArea, yAxisLocation);
      } else {
        lowVal =
            rangeAxis.valueToJava2D(meanValue.doubleValue() - valueDelta, dataArea, yAxisLocation);
      }

      if (this.errorIndicatorPaint != null) {
        g2.setPaint(this.errorIndicatorPaint);
      } else {
        g2.setPaint(getItemPaint(row, column));
      }
      if (this.errorIndicatorStroke != null) {
        g2.setStroke(this.errorIndicatorStroke);
      } else {
        g2.setStroke(getItemOutlineStroke(row, column));
      }
      Line2D line = new Line2D.Double();
      if (orientation == PlotOrientation.HORIZONTAL) {
        line.setLine(lowVal, x1, highVal, x1);
        g2.draw(line);
        line.setLine(lowVal, x1 - 5.0d, lowVal, x1 + 5.0d);
        g2.draw(line);
        line.setLine(highVal, x1 - 5.0d, highVal, x1 + 5.0d);
        g2.draw(line);
      } else { // PlotOrientation.VERTICAL
        line.setLine(x1, lowVal, x1, highVal);
        g2.draw(line);
        line.setLine(x1 - 5.0d, highVal, x1 + 5.0d, highVal);
        g2.draw(line);
        line.setLine(x1 - 5.0d, lowVal, x1 + 5.0d, lowVal);
        g2.draw(line);
      }
    }

    Shape hotspot = null;
    if (pass == 1 && getItemShapeVisible(row, column)) {
      Shape shape = getItemShape(row, column);
      if (orientation == PlotOrientation.HORIZONTAL) {
        shape = ShapeUtilities.createTranslatedShape(shape, y1, x1);
      } else if (orientation == PlotOrientation.VERTICAL) {
        shape = ShapeUtilities.createTranslatedShape(shape, x1, y1);
      }
      hotspot = shape;

      if (getItemShapeFilled(row, column)) {
        if (getUseFillPaint()) {
          g2.setPaint(getItemFillPaint(row, column));
        } else {
          g2.setPaint(getItemPaint(row, column));
        }
        g2.fill(shape);
      }
      if (getDrawOutlines()) {
        if (getUseOutlinePaint()) {
          g2.setPaint(getItemOutlinePaint(row, column));
        } else {
          g2.setPaint(getItemPaint(row, column));
        }
        g2.setStroke(getItemOutlineStroke(row, column));
        g2.draw(shape);
      }
      // draw the item label if there is one...
      if (isItemLabelVisible(row, column)) {
        if (orientation == PlotOrientation.HORIZONTAL) {
          drawItemLabel(
              g2, orientation, dataset, row, column, y1, x1, (meanValue.doubleValue() < 0.0));
        } else if (orientation == PlotOrientation.VERTICAL) {
          drawItemLabel(
              g2, orientation, dataset, row, column, x1, y1, (meanValue.doubleValue() < 0.0));
        }
      }
    }

    if (pass == 0 && getItemLineVisible(row, column)) {
      if (column != 0) {

        Number previousValue = statDataset.getValue(row, column - 1);
        if (previousValue != null) {

          // previous data point...
          double previous = previousValue.doubleValue();
          double x0;
          if (getUseSeriesOffset()) {
            x0 =
                domainAxis.getCategorySeriesMiddle(
                    column - 1,
                    dataset.getColumnCount(),
                    visibleRow,
                    visibleRowCount,
                    getItemMargin(),
                    dataArea,
                    plot.getDomainAxisEdge());
          } else {
            x0 =
                domainAxis.getCategoryMiddle(
                    column - 1, getColumnCount(), dataArea, plot.getDomainAxisEdge());
          }
          double y0 = rangeAxis.valueToJava2D(previous, dataArea, plot.getRangeAxisEdge());

          Line2D line = null;
          if (orientation == PlotOrientation.HORIZONTAL) {
            line = new Line2D.Double(y0, x0, y1, x1);
          } else if (orientation == PlotOrientation.VERTICAL) {
            line = new Line2D.Double(x0, y0, x1, y1);
          }
          g2.setPaint(getItemPaint(row, column));
          g2.setStroke(getItemStroke(row, column));
          g2.draw(line);
        }
      }
    }

    if (pass == 1) {
      // add an item entity, if this information is being collected
      EntityCollection entities = state.getEntityCollection();
      if (entities != null) {
        addEntity(entities, hotspot, dataset, row, column, x1, y1);
      }
    }
  }