/**
* Draws the visual representation of a single data item, second pass. In the second pass, the
* renderer draws the lines and shapes for the individual points in the two series.
*
* @param x_graphics the graphics device.
* @param x_dataArea the area within which the data is being drawn.
* @param x_info collects information about the drawing.
* @param x_plot the plot (can be used to obtain standard color information etc).
* @param x_domainAxis the domain (horizontal) axis.
* @param x_rangeAxis the range (vertical) axis.
* @param x_dataset the dataset.
* @param x_series the series index (zero-based).
* @param x_item the item index (zero-based).
* @param x_crosshairState crosshair information for the plot (<code>null</code> permitted).
*/
protected void drawItemPass1(
Graphics2D x_graphics,
Rectangle2D x_dataArea,
PlotRenderingInfo x_info,
XYPlot x_plot,
ValueAxis x_domainAxis,
ValueAxis x_rangeAxis,
XYDataset x_dataset,
int x_series,
int x_item,
CrosshairState x_crosshairState) {
Shape l_entityArea = null;
EntityCollection l_entities = null;
if (null != x_info) {
l_entities = x_info.getOwner().getEntityCollection();
}
Paint l_seriesPaint = getItemPaint(x_series, x_item);
Stroke l_seriesStroke = getItemStroke(x_series, x_item);
x_graphics.setPaint(l_seriesPaint);
x_graphics.setStroke(l_seriesStroke);
PlotOrientation l_orientation = x_plot.getOrientation();
RectangleEdge l_domainAxisLocation = x_plot.getDomainAxisEdge();
RectangleEdge l_rangeAxisLocation = x_plot.getRangeAxisEdge();
double l_x0 = x_dataset.getXValue(x_series, x_item);
double l_y0 = x_dataset.getYValue(x_series, x_item);
double l_x1 = x_domainAxis.valueToJava2D(l_x0, x_dataArea, l_domainAxisLocation);
double l_y1 = x_rangeAxis.valueToJava2D(l_y0, x_dataArea, l_rangeAxisLocation);
if (getShapesVisible()) {
Shape l_shape = getItemShape(x_series, x_item);
if (l_orientation == PlotOrientation.HORIZONTAL) {
l_shape = ShapeUtilities.createTranslatedShape(l_shape, l_y1, l_x1);
} else {
l_shape = ShapeUtilities.createTranslatedShape(l_shape, l_x1, l_y1);
}
if (l_shape.intersects(x_dataArea)) {
x_graphics.setPaint(getItemPaint(x_series, x_item));
x_graphics.fill(l_shape);
}
l_entityArea = l_shape;
}
// add an entity for the item...
if (null != l_entities) {
if (null == l_entityArea) {
l_entityArea = new Rectangle2D.Double((l_x1 - 2), (l_y1 - 2), 4, 4);
}
String l_tip = null;
XYToolTipGenerator l_tipGenerator = getToolTipGenerator(x_series, x_item);
if (null != l_tipGenerator) {
l_tip = l_tipGenerator.generateToolTip(x_dataset, x_series, x_item);
}
String l_url = null;
XYURLGenerator l_urlGenerator = getURLGenerator();
if (null != l_urlGenerator) {
l_url = l_urlGenerator.generateURL(x_dataset, x_series, x_item);
}
XYItemEntity l_entity =
new XYItemEntity(l_entityArea, x_dataset, x_series, x_item, l_tip, l_url);
l_entities.add(l_entity);
}
// draw the item label if there is one...
if (isItemLabelVisible(x_series, x_item)) {
drawItemLabel(
x_graphics, l_orientation, x_dataset, x_series, x_item, l_x1, l_y1, (l_y1 < 0.0));
}
int l_domainAxisIndex = x_plot.getDomainAxisIndex(x_domainAxis);
int l_rangeAxisIndex = x_plot.getRangeAxisIndex(x_rangeAxis);
updateCrosshairValues(
x_crosshairState,
l_x0,
l_y0,
l_domainAxisIndex,
l_rangeAxisIndex,
l_x1,
l_y1,
l_orientation);
if (0 == x_item) {
return;
}
double l_x2 =
x_domainAxis.valueToJava2D(
x_dataset.getXValue(x_series, (x_item - 1)), x_dataArea, l_domainAxisLocation);
double l_y2 =
x_rangeAxis.valueToJava2D(
x_dataset.getYValue(x_series, (x_item - 1)), x_dataArea, l_rangeAxisLocation);
Line2D l_line = null;
if (PlotOrientation.HORIZONTAL == l_orientation) {
l_line = new Line2D.Double(l_y1, l_x1, l_y2, l_x2);
} else if (PlotOrientation.VERTICAL == l_orientation) {
l_line = new Line2D.Double(l_x1, l_y1, l_x2, l_y2);
}
if ((null != l_line) && l_line.intersects(x_dataArea)) {
x_graphics.setPaint(getItemPaint(x_series, x_item));
x_graphics.setStroke(getItemStroke(x_series, x_item));
x_graphics.draw(l_line);
}
}
/**
* Draws the visual representation of a single data item.
*
* @param g2 the graphics device.
* @param state the renderer state.
* @param dataArea the area within which the data is being drawn.
* @param info collects information about the drawing.
* @param plot the plot (can be used to obtain standard color information etc).
* @param domainAxis the domain axis.
* @param rangeAxis the range axis.
* @param dataset the dataset.
* @param series the series index (zero-based).
* @param item the item index (zero-based).
* @param crosshairState crosshair information for the plot (<code>null</code> permitted).
* @param pass the pass index.
*/
public void drawItem(
Graphics2D g2,
XYItemRendererState state,
Rectangle2D dataArea,
PlotRenderingInfo info,
XYPlot plot,
ValueAxis domainAxis,
ValueAxis rangeAxis,
XYDataset dataset,
int series,
int item,
CrosshairState crosshairState,
int pass) {
if (!getItemVisible(series, item)) {
return;
}
XYAreaRendererState areaState = (XYAreaRendererState) state;
// get the data point...
double x1 = dataset.getXValue(series, item);
double y1 = dataset.getYValue(series, item);
if (Double.isNaN(y1)) {
y1 = 0.0;
}
double transX1 = domainAxis.valueToJava2D(x1, dataArea, plot.getDomainAxisEdge());
double transY1 = rangeAxis.valueToJava2D(y1, dataArea, plot.getRangeAxisEdge());
// get the previous point and the next point so we can calculate a
// "hot spot" for the area (used by the chart entity)...
int itemCount = dataset.getItemCount(series);
double x0 = dataset.getXValue(series, Math.max(item - 1, 0));
double y0 = dataset.getYValue(series, Math.max(item - 1, 0));
if (Double.isNaN(y0)) {
y0 = 0.0;
}
double transX0 = domainAxis.valueToJava2D(x0, dataArea, plot.getDomainAxisEdge());
double transY0 = rangeAxis.valueToJava2D(y0, dataArea, plot.getRangeAxisEdge());
double x2 = dataset.getXValue(series, Math.min(item + 1, itemCount - 1));
double y2 = dataset.getYValue(series, Math.min(item + 1, itemCount - 1));
if (Double.isNaN(y2)) {
y2 = 0.0;
}
double transX2 = domainAxis.valueToJava2D(x2, dataArea, plot.getDomainAxisEdge());
double transY2 = rangeAxis.valueToJava2D(y2, dataArea, plot.getRangeAxisEdge());
double transZero = rangeAxis.valueToJava2D(0.0, dataArea, plot.getRangeAxisEdge());
Polygon hotspot = null;
if (plot.getOrientation() == PlotOrientation.HORIZONTAL) {
hotspot = new Polygon();
hotspot.addPoint((int) transZero, (int) ((transX0 + transX1) / 2.0));
hotspot.addPoint((int) ((transY0 + transY1) / 2.0), (int) ((transX0 + transX1) / 2.0));
hotspot.addPoint((int) transY1, (int) transX1);
hotspot.addPoint((int) ((transY1 + transY2) / 2.0), (int) ((transX1 + transX2) / 2.0));
hotspot.addPoint((int) transZero, (int) ((transX1 + transX2) / 2.0));
} else { // vertical orientation
hotspot = new Polygon();
hotspot.addPoint((int) ((transX0 + transX1) / 2.0), (int) transZero);
hotspot.addPoint((int) ((transX0 + transX1) / 2.0), (int) ((transY0 + transY1) / 2.0));
hotspot.addPoint((int) transX1, (int) transY1);
hotspot.addPoint((int) ((transX1 + transX2) / 2.0), (int) ((transY1 + transY2) / 2.0));
hotspot.addPoint((int) ((transX1 + transX2) / 2.0), (int) transZero);
}
if (item == 0) { // create a new area polygon for the series
areaState.area = new Polygon();
// the first point is (x, 0)
double zero = rangeAxis.valueToJava2D(0.0, dataArea, plot.getRangeAxisEdge());
if (plot.getOrientation() == PlotOrientation.VERTICAL) {
areaState.area.addPoint((int) transX1, (int) zero);
} else if (plot.getOrientation() == PlotOrientation.HORIZONTAL) {
areaState.area.addPoint((int) zero, (int) transX1);
}
}
// Add each point to Area (x, y)
if (plot.getOrientation() == PlotOrientation.VERTICAL) {
areaState.area.addPoint((int) transX1, (int) transY1);
} else if (plot.getOrientation() == PlotOrientation.HORIZONTAL) {
areaState.area.addPoint((int) transY1, (int) transX1);
}
PlotOrientation orientation = plot.getOrientation();
Paint paint = getItemPaint(series, item);
Stroke stroke = getItemStroke(series, item);
g2.setPaint(paint);
g2.setStroke(stroke);
Shape shape = null;
if (getPlotShapes()) {
shape = getItemShape(series, item);
if (orientation == PlotOrientation.VERTICAL) {
shape = ShapeUtilities.createTranslatedShape(shape, transX1, transY1);
} else if (orientation == PlotOrientation.HORIZONTAL) {
shape = ShapeUtilities.createTranslatedShape(shape, transY1, transX1);
}
g2.draw(shape);
}
if (getPlotLines()) {
if (item > 0) {
if (plot.getOrientation() == PlotOrientation.VERTICAL) {
areaState.line.setLine(transX0, transY0, transX1, transY1);
} else if (plot.getOrientation() == PlotOrientation.HORIZONTAL) {
areaState.line.setLine(transY0, transX0, transY1, transX1);
}
g2.draw(areaState.line);
}
}
// Check if the item is the last item for the series.
// and number of items > 0. We can't draw an area for a single point.
if (getPlotArea() && item > 0 && item == (itemCount - 1)) {
if (orientation == PlotOrientation.VERTICAL) {
// Add the last point (x,0)
areaState.area.addPoint((int) transX1, (int) transZero);
} else if (orientation == PlotOrientation.HORIZONTAL) {
// Add the last point (x,0)
areaState.area.addPoint((int) transZero, (int) transX1);
}
g2.fill(areaState.area);
// draw an outline around the Area.
if (isOutline()) {
g2.setStroke(getItemOutlineStroke(series, item));
g2.setPaint(getItemOutlinePaint(series, item));
g2.draw(areaState.area);
}
}
updateCrosshairValues(crosshairState, x1, y1, transX1, transY1, orientation);
// collect entity and tool tip information...
if (state.getInfo() != null) {
EntityCollection entities = state.getEntityCollection();
if (entities != null && hotspot != null) {
String tip = null;
XYToolTipGenerator generator = getToolTipGenerator(series, item);
if (generator != null) {
tip = generator.generateToolTip(dataset, series, item);
}
String url = null;
if (getURLGenerator() != null) {
url = getURLGenerator().generateURL(dataset, series, item);
}
XYItemEntity entity = new XYItemEntity(hotspot, dataset, series, item, tip, url);
entities.add(entity);
}
}
}