/** * Draws the plot on a Java 2D graphics device (such as the screen or a * printer). Will perform all the placement calculations for each * sub-plots and then tell these to draw themselves. * * @param g2 the graphics device. * @param area the area within which the plot (including axis labels) * should be drawn. * @param anchor the anchor point (<code>null</code> permitted). * @param parentState the parent state. * @param info collects information about the drawing (<code>null</code> * permitted). */ public void draw(Graphics2D g2, Rectangle2D area, Point2D anchor, PlotState parentState, PlotRenderingInfo info) { // set up info collection... if (info != null) { info.setPlotArea(area); } // adjust the drawing area for plot insets (if any)... RectangleInsets insets = getInsets(); insets.trim(area); // calculate the data area... AxisSpace space = calculateAxisSpace(g2, area); Rectangle2D dataArea = space.shrink(area, null); // set the width and height of non-shared axis of all sub-plots setFixedDomainAxisSpaceForSubplots(space); // draw the shared axis ValueAxis axis = getRangeAxis(); RectangleEdge rangeEdge = getRangeAxisEdge(); double cursor = RectangleEdge.coordinate(dataArea, rangeEdge); AxisState state = axis.draw(g2, cursor, area, dataArea, rangeEdge, info); if (parentState == null) { parentState = new PlotState(); } parentState.getSharedAxisStates().put(axis, state); // draw all the charts for (int i = 0; i < this.subplots.size(); i++) { CategoryPlot plot = (CategoryPlot) this.subplots.get(i); PlotRenderingInfo subplotInfo = null; if (info != null) { subplotInfo = new PlotRenderingInfo(info.getOwner()); info.addSubplotInfo(subplotInfo); } Point2D subAnchor = null; if (anchor != null && this.subplotArea[i].contains(anchor)) { subAnchor = anchor; } plot.draw(g2, this.subplotArea[i], subAnchor, parentState, subplotInfo); } if (info != null) { info.setDataArea(dataArea); } }