/**
   * Draws a grid line against the domain axis.
   *
   * @param g2 the graphics device.
   * @param plot the plot.
   * @param dataArea the area for plotting data (not yet adjusted for any 3D effect).
   * @param value the Java2D value at which the grid line should be drawn.
   */
  public void drawDomainGridline(
      Graphics2D g2, CategoryPlot plot, Rectangle2D dataArea, double value) {

    Line2D line1 = null;
    Line2D line2 = null;
    PlotOrientation orientation = plot.getOrientation();
    if (orientation == PlotOrientation.HORIZONTAL) {
      double y0 = value;
      double y1 = value - getYOffset();
      double x0 = dataArea.getMinX();
      double x1 = x0 + getXOffset();
      double x2 = dataArea.getMaxX();
      line1 = new Line2D.Double(x0, y0, x1, y1);
      line2 = new Line2D.Double(x1, y1, x2, y1);
    } else if (orientation == PlotOrientation.VERTICAL) {
      double x0 = value;
      double x1 = value + getXOffset();
      double y0 = dataArea.getMaxY();
      double y1 = y0 - getYOffset();
      double y2 = dataArea.getMinY();
      line1 = new Line2D.Double(x0, y0, x1, y1);
      line2 = new Line2D.Double(x1, y1, x1, y2);
    }
    Paint paint = plot.getDomainGridlinePaint();
    Stroke stroke = plot.getDomainGridlineStroke();
    g2.setPaint(paint != null ? paint : Plot.DEFAULT_OUTLINE_PAINT);
    g2.setStroke(stroke != null ? stroke : Plot.DEFAULT_OUTLINE_STROKE);
    g2.draw(line1);
    g2.draw(line2);
  }
Exemple #2
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  /**
   * Draws a grid line against the domain axis.
   *
   * @param g2 the graphics device.
   * @param plot the plot.
   * @param dataArea the area for plotting data (not yet adjusted for any 3D effect).
   * @param value the Java2D value at which the grid line should be drawn.
   */
  @Override
  public void drawDomainGridline(
      Graphics2D g2, CategoryPlot plot, Rectangle2D dataArea, double value) {

    Line2D line1 = null;
    Line2D line2 = null;
    PlotOrientation orientation = plot.getOrientation();
    if (orientation == PlotOrientation.HORIZONTAL) {
      double y0 = value;
      double y1 = value - getYOffset();
      double x0 = dataArea.getMinX();
      double x1 = x0 + getXOffset();
      double x2 = dataArea.getMaxX();
      line1 = new Line2D.Double(x0, y0, x1, y1);
      line2 = new Line2D.Double(x1, y1, x2, y1);
    } else if (orientation == PlotOrientation.VERTICAL) {
      double x0 = value;
      double x1 = value + getXOffset();
      double y0 = dataArea.getMaxY();
      double y1 = y0 - getYOffset();
      double y2 = dataArea.getMinY();
      line1 = new Line2D.Double(x0, y0, x1, y1);
      line2 = new Line2D.Double(x1, y1, x1, y2);
    }
    g2.setPaint(plot.getDomainGridlinePaint());
    g2.setStroke(plot.getDomainGridlineStroke());
    g2.draw(line1);
    g2.draw(line2);
  }
  /**
   * Draws a grid line against the domain axis.
   *
   * <p>Note that this default implementation assumes that the horizontal axis is the domain axis.
   * If this is not the case, you will need to override this method.
   *
   * @param g2 the graphics device.
   * @param plot the plot.
   * @param dataArea the area for plotting data (not yet adjusted for any 3D effect).
   * @param value the Java2D value at which the grid line should be drawn.
   */
  public void drawDomainGridline(
      Graphics2D g2, CategoryPlot plot, Rectangle2D dataArea, double value) {

    Line2D line = null;
    PlotOrientation orientation = plot.getOrientation();

    if (orientation == PlotOrientation.HORIZONTAL) {
      line = new Line2D.Double(dataArea.getMinX(), value, dataArea.getMaxX(), value);
    } else if (orientation == PlotOrientation.VERTICAL) {
      line = new Line2D.Double(value, dataArea.getMinY(), value, dataArea.getMaxY());
    }

    Paint paint = plot.getDomainGridlinePaint();
    if (paint == null) {
      paint = CategoryPlot.DEFAULT_GRIDLINE_PAINT;
    }
    g2.setPaint(paint);

    Stroke stroke = plot.getDomainGridlineStroke();
    if (stroke == null) {
      stroke = CategoryPlot.DEFAULT_GRIDLINE_STROKE;
    }
    g2.setStroke(stroke);

    g2.draw(line);
  }