/**
* Created an entity for the axis.
*
* @param cursor the initial cursor value.
* @param state the axis state after completion of the drawing with a possibly updated cursor
* position.
* @param dataArea the data area.
* @param edge the edge.
* @param plotState the PlotRenderingInfo from which a reference to the entity collection can be
* obtained.
* @since 1.0.13
*/
protected void createAndAddEntity(
double cursor,
AxisState state,
Rectangle2D dataArea,
RectangleEdge edge,
PlotRenderingInfo plotState) {
if (plotState == null || plotState.getOwner() == null) {
return; // no need to create entity if we can´t save it anyways...
}
Rectangle2D hotspot = null;
if (edge.equals(RectangleEdge.TOP)) {
hotspot =
new Rectangle2D.Double(
dataArea.getX(), state.getCursor(), dataArea.getWidth(), cursor - state.getCursor());
} else if (edge.equals(RectangleEdge.BOTTOM)) {
hotspot =
new Rectangle2D.Double(
dataArea.getX(), cursor, dataArea.getWidth(), state.getCursor() - cursor);
} else if (edge.equals(RectangleEdge.LEFT)) {
hotspot =
new Rectangle2D.Double(
state.getCursor(), dataArea.getY(), cursor - state.getCursor(), dataArea.getHeight());
} else if (edge.equals(RectangleEdge.RIGHT)) {
hotspot =
new Rectangle2D.Double(
cursor, dataArea.getY(), state.getCursor() - cursor, dataArea.getHeight());
}
EntityCollection e = plotState.getOwner().getEntityCollection();
if (e != null) {
e.add(new AxisEntity(hotspot, this));
}
}
/**
* Handle the case where a plot implements the {@link Zoomable} interface.
*
* @param zoomable the zoomable plot.
* @param e the mouse wheel event.
*/
private void handleZoomable(Zoomable zoomable, MouseWheelEvent e) {
// don't zoom unless the mouse pointer is in the plot's data area
ChartRenderingInfo info = this.chartPanel.getChartRenderingInfo();
PlotRenderingInfo pinfo = info.getPlotInfo();
Point2D p = this.chartPanel.translateScreenToJava2D(e.getPoint());
if (!pinfo.getDataArea().contains(p)) {
return;
}
Plot plot = (Plot) zoomable;
// do not notify while zooming each axis
boolean notifyState = plot.isNotify();
plot.setNotify(false);
int clicks = e.getWheelRotation();
double zf = 1.0 + this.zoomFactor;
if (clicks < 0) {
zf = 1.0 / zf;
}
if (chartPanel.isDomainZoomable()) {
zoomable.zoomDomainAxes(zf, pinfo, p, true);
}
if (chartPanel.isRangeZoomable()) {
zoomable.zoomRangeAxes(zf, pinfo, p, true);
}
plot.setNotify(notifyState); // this generates the change event too
}
/**
* 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} permitted).
* @param pass the pass index.
*/
@Override
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) {
// do nothing if item is not visible
if (!getItemVisible(series, item)) {
return;
}
// first pass draws the background (lines, for instance)
if (isLinePass(pass)) {
if (getItemLineVisible(series, item)) {
if (this.drawSeriesLineAsPath) {
drawPrimaryLineAsPath(
state, g2, plot, dataset, pass, series, item, domainAxis, rangeAxis, dataArea);
} else {
drawPrimaryLine(
state, g2, plot, dataset, pass, series, item, domainAxis, rangeAxis, dataArea);
}
}
}
// second pass adds shapes where the items are ..
else if (isItemPass(pass)) {
// setup for collecting optional entity info...
EntityCollection entities = null;
if (info != null && info.getOwner() != null) {
entities = info.getOwner().getEntityCollection();
}
drawSecondaryPass(
g2,
plot,
dataset,
pass,
series,
item,
domainAxis,
dataArea,
rangeAxis,
crosshairState,
entities);
}
}
/**
* Returns the data area (the area inside the axes) for the plot or subplot.
*
* @param point the selection point (for subplot selection).
* @return The data area.
*/
public Rectangle2D findDataArea(Point2D point) {
PlotRenderingInfo plotInfo = this.info.getPlotInfo();
Rectangle2D result;
if (plotInfo.getSubplotCount() == 0) {
result = plotInfo.getDataArea();
} else {
int subplotIndex = plotInfo.getSubplotIndex(point);
if (subplotIndex == -1) {
return null;
}
result = plotInfo.getSubplotInfo(subplotIndex).getDataArea();
}
return result;
}
/**
* 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 (horizontal) axis.
* @param rangeAxis the range (vertical) axis.
* @param dataset the dataset (an {@link XYZDataset} is expected).
* @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) {
// return straight away if the item is not visible
if (!getItemVisible(series, item)) {
return;
}
PlotOrientation orientation = plot.getOrientation();
// get the data point...
double x = dataset.getXValue(series, item);
double y = dataset.getYValue(series, item);
double z = Double.NaN;
if (dataset instanceof XYZDataset) {
XYZDataset xyzData = (XYZDataset) dataset;
z = xyzData.getZValue(series, item);
}
if (!Double.isNaN(z)) {
RectangleEdge domainAxisLocation = plot.getDomainAxisEdge();
RectangleEdge rangeAxisLocation = plot.getRangeAxisEdge();
double transX = domainAxis.valueToJava2D(x, dataArea, domainAxisLocation);
double transY = rangeAxis.valueToJava2D(y, dataArea, rangeAxisLocation);
double transDomain = 0.0;
double transRange = 0.0;
double zero;
switch (getScaleType()) {
case SCALE_ON_DOMAIN_AXIS:
zero = domainAxis.valueToJava2D(0.0, dataArea, domainAxisLocation);
transDomain = domainAxis.valueToJava2D(z, dataArea, domainAxisLocation) - zero;
transRange = transDomain;
break;
case SCALE_ON_RANGE_AXIS:
zero = rangeAxis.valueToJava2D(0.0, dataArea, rangeAxisLocation);
transRange = zero - rangeAxis.valueToJava2D(z, dataArea, rangeAxisLocation);
transDomain = transRange;
break;
default:
double zero1 = domainAxis.valueToJava2D(0.0, dataArea, domainAxisLocation);
double zero2 = rangeAxis.valueToJava2D(0.0, dataArea, rangeAxisLocation);
transDomain = domainAxis.valueToJava2D(z, dataArea, domainAxisLocation) - zero1;
transRange = zero2 - rangeAxis.valueToJava2D(z, dataArea, rangeAxisLocation);
}
transDomain = Math.abs(transDomain);
transRange = Math.abs(transRange);
Ellipse2D circle = null;
if (orientation == PlotOrientation.VERTICAL) {
circle =
new Ellipse2D.Double(
transX - transDomain / 2.0, transY - transRange / 2.0, transDomain, transRange);
} else if (orientation == PlotOrientation.HORIZONTAL) {
circle =
new Ellipse2D.Double(
transY - transRange / 2.0, transX - transDomain / 2.0, transRange, transDomain);
}
g2.setPaint(getItemPaint(series, item));
g2.fill(circle);
g2.setStroke(getItemOutlineStroke(series, item));
g2.setPaint(getItemOutlinePaint(series, item));
g2.draw(circle);
if (isItemLabelVisible(series, item)) {
if (orientation == PlotOrientation.VERTICAL) {
drawItemLabel(g2, orientation, dataset, series, item, transX, transY, false);
} else if (orientation == PlotOrientation.HORIZONTAL) {
drawItemLabel(g2, orientation, dataset, series, item, transY, transX, false);
}
}
// add an entity if this info is being collected
EntityCollection entities = null;
if (info != null) {
entities = info.getOwner().getEntityCollection();
if (entities != null && circle.intersects(dataArea)) {
addEntity(
entities, circle, dataset, series, item, circle.getCenterX(), circle.getCenterY());
}
}
int domainAxisIndex = plot.getDomainAxisIndex(domainAxis);
int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis);
updateCrosshairValues(
crosshairState, x, y, domainAxisIndex, rangeAxisIndex, transX, transY, orientation);
}
}
/**
* Draws the block representing the specified item.
*
* @param g2 the graphics device.
* @param state the state.
* @param dataArea the data area.
* @param info the plot rendering info.
* @param plot the plot.
* @param domainAxis the x-axis.
* @param rangeAxis the y-axis.
* @param dataset the dataset.
* @param series the series index.
* @param item the item index.
* @param crosshairState the crosshair state.
* @param pass the pass index.
*/
@Override
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) {
double x = dataset.getXValue(series, item);
double y = dataset.getYValue(series, item);
double dx = 0.0;
double dy = 0.0;
if (dataset instanceof VectorXYDataset) {
dx = ((VectorXYDataset) dataset).getVectorXValue(series, item);
dy = ((VectorXYDataset) dataset).getVectorYValue(series, item);
}
double xx0 = domainAxis.valueToJava2D(x, dataArea, plot.getDomainAxisEdge());
double yy0 = rangeAxis.valueToJava2D(y, dataArea, plot.getRangeAxisEdge());
double xx1 = domainAxis.valueToJava2D(x + dx, dataArea, plot.getDomainAxisEdge());
double yy1 = rangeAxis.valueToJava2D(y + dy, dataArea, plot.getRangeAxisEdge());
Line2D line;
PlotOrientation orientation = plot.getOrientation();
if (orientation.equals(PlotOrientation.HORIZONTAL)) {
line = new Line2D.Double(yy0, xx0, yy1, xx1);
} else {
line = new Line2D.Double(xx0, yy0, xx1, yy1);
}
g2.setPaint(getItemPaint(series, item));
g2.setStroke(getItemStroke(series, item));
g2.draw(line);
// calculate the arrow head and draw it...
double dxx = (xx1 - xx0);
double dyy = (yy1 - yy0);
double bx = xx0 + (1.0 - this.baseLength) * dxx;
double by = yy0 + (1.0 - this.baseLength) * dyy;
double cx = xx0 + (1.0 - this.headLength) * dxx;
double cy = yy0 + (1.0 - this.headLength) * dyy;
double angle = 0.0;
if (dxx != 0.0) {
angle = Math.PI / 2.0 - Math.atan(dyy / dxx);
}
double deltaX = 2.0 * Math.cos(angle);
double deltaY = 2.0 * Math.sin(angle);
double leftx = cx + deltaX;
double lefty = cy - deltaY;
double rightx = cx - deltaX;
double righty = cy + deltaY;
GeneralPath p = new GeneralPath();
if (orientation == PlotOrientation.VERTICAL) {
p.moveTo((float) xx1, (float) yy1);
p.lineTo((float) rightx, (float) righty);
p.lineTo((float) bx, (float) by);
p.lineTo((float) leftx, (float) lefty);
} else { // orientation is HORIZONTAL
p.moveTo((float) yy1, (float) xx1);
p.lineTo((float) righty, (float) rightx);
p.lineTo((float) by, (float) bx);
p.lineTo((float) lefty, (float) leftx);
}
p.closePath();
g2.draw(p);
// setup for collecting optional entity info...
EntityCollection entities = null;
if (info != null) {
entities = info.getOwner().getEntityCollection();
if (entities != null) {
addEntity(entities, line.getBounds(), dataset, series, item, 0.0, 0.0);
}
}
}
/**
* 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;
}
// setup for collecting optional entity info...
Shape entityArea = null;
EntityCollection entities = null;
if (info != null) {
entities = info.getOwner().getEntityCollection();
}
PlotOrientation orientation = plot.getOrientation();
Paint paint = getItemPaint(series, item);
Stroke seriesStroke = getItemStroke(series, item);
g2.setPaint(paint);
g2.setStroke(seriesStroke);
// get the data point...
double x1 = dataset.getXValue(series, item);
double y1 = dataset.getYValue(series, item);
if (Double.isNaN(x1) || Double.isNaN(y1)) {
return;
}
RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);
if (getPlotLines()) {
if (item == 0) {
if (this.drawSeriesLineAsPath) {
State s = (State) state;
s.seriesPath.reset();
s.lastPointGood = false;
}
}
if (this.drawSeriesLineAsPath) {
State s = (State) state;
// update path to reflect latest point
if (!Double.isNaN(transX1) && !Double.isNaN(transY1)) {
float x = (float) transX1;
float y = (float) transY1;
if (orientation == PlotOrientation.HORIZONTAL) {
x = (float) transY1;
y = (float) transX1;
}
if (s.isLastPointGood()) {
// TODO: check threshold
s.seriesPath.lineTo(x, y);
} else {
s.seriesPath.moveTo(x, y);
}
s.setLastPointGood(true);
} else {
s.setLastPointGood(false);
}
if (item == dataset.getItemCount(series) - 1) {
// draw path
g2.setStroke(getSeriesStroke(series));
g2.setPaint(getSeriesPaint(series));
g2.draw(s.seriesPath);
}
} else if (item != 0) {
// get the previous data point...
double x0 = dataset.getXValue(series, item - 1);
double y0 = dataset.getYValue(series, item - 1);
if (!Double.isNaN(x0) && !Double.isNaN(y0)) {
boolean drawLine = true;
if (getPlotDiscontinuous()) {
// only draw a line if the gap between the current and
// previous data point is within the threshold
int numX = dataset.getItemCount(series);
double minX = dataset.getXValue(series, 0);
double maxX = dataset.getXValue(series, numX - 1);
if (this.gapThresholdType == UnitType.ABSOLUTE) {
drawLine = Math.abs(x1 - x0) <= this.gapThreshold;
} else {
drawLine = Math.abs(x1 - x0) <= ((maxX - minX) / numX * getGapThreshold());
}
}
if (drawLine) {
double transX0 = domainAxis.valueToJava2D(x0, dataArea, xAxisLocation);
double transY0 = rangeAxis.valueToJava2D(y0, dataArea, yAxisLocation);
// only draw if we have good values
if (Double.isNaN(transX0)
|| Double.isNaN(transY0)
|| Double.isNaN(transX1)
|| Double.isNaN(transY1)) {
return;
}
if (orientation == PlotOrientation.HORIZONTAL) {
state.workingLine.setLine(transY0, transX0, transY1, transX1);
} else if (orientation == PlotOrientation.VERTICAL) {
state.workingLine.setLine(transX0, transY0, transX1, transY1);
}
if (state.workingLine.intersects(dataArea)) {
g2.draw(state.workingLine);
}
}
}
}
}
if (getPlotShapes()) {
Shape shape = getItemShape(series, item);
if (orientation == PlotOrientation.HORIZONTAL) {
shape = ShapeUtilities.createTranslatedShape(shape, transY1, transX1);
} else if (orientation == PlotOrientation.VERTICAL) {
shape = ShapeUtilities.createTranslatedShape(shape, transX1, transY1);
}
if (shape.intersects(dataArea)) {
if (getItemShapeFilled(series, item)) {
g2.fill(shape);
} else {
g2.draw(shape);
}
}
entityArea = shape;
}
if (getPlotImages()) {
Image image = getImage(plot, series, item, transX1, transY1);
if (image != null) {
Point hotspot = getImageHotspot(plot, series, item, transX1, transY1, image);
g2.drawImage(
image, (int) (transX1 - hotspot.getX()), (int) (transY1 - hotspot.getY()), null);
entityArea =
new Rectangle2D.Double(
transX1 - hotspot.getX(),
transY1 - hotspot.getY(),
image.getWidth(null),
image.getHeight(null));
}
}
// draw the item label if there is one...
if (isItemLabelVisible(series, item)) {
double xx = transX1;
double yy = transY1;
if (orientation == PlotOrientation.HORIZONTAL) {
xx = transY1;
yy = transX1;
}
drawItemLabel(g2, orientation, dataset, series, item, xx, yy, (y1 < 0.0));
}
updateCrosshairValues(crosshairState, x1, y1, transX1, transY1, orientation);
// add an entity for the item...
if (entities != null) {
addEntity(entities, entityArea, dataset, series, item, transX1, transY1);
}
}
/**
* Draws the plot on a Java 2D graphics device (such as the screen or a printer).
*
* @param g2 the graphics device.
* @param area the area within which the plot should be drawn.
* @param anchor the anchor point (<code>null</code> permitted).
* @param parentState the state from the parent plot, if there is one.
* @param info collects info about the drawing.
*/
public void draw(
Graphics2D g2,
Rectangle2D area,
Point2D anchor,
PlotState parentState,
PlotRenderingInfo info) {
// adjust the drawing area for the plot insets (if any)...
RectangleInsets insets = getInsets();
insets.trim(area);
drawBackground(g2, area);
drawOutline(g2, area);
// check that there is some data to display...
if (DatasetUtilities.isEmptyOrNull(getDataset())) {
drawNoDataMessage(g2, area);
return;
}
int pieCount = 0;
if (getDataExtractOrder() == TableOrder.BY_ROW) {
pieCount = getDataset().getRowCount();
} else {
pieCount = getDataset().getColumnCount();
}
// the columns variable is always >= rows
int displayCols = (int) Math.ceil(Math.sqrt(pieCount));
int displayRows = (int) Math.ceil((double) pieCount / (double) displayCols);
// swap rows and columns to match plotArea shape
if (displayCols > displayRows && area.getWidth() < area.getHeight()) {
int temp = displayCols;
displayCols = displayRows;
displayRows = temp;
}
prefetchSectionPaints();
int x = (int) area.getX();
int y = (int) area.getY();
int width = ((int) area.getWidth()) / displayCols;
int height = ((int) area.getHeight()) / displayRows;
int row = 0;
int column = 0;
int diff = (displayRows * displayCols) - pieCount;
int xoffset = 0;
Rectangle rect = new Rectangle();
for (int pieIndex = 0; pieIndex < pieCount; pieIndex++) {
rect.setBounds(x + xoffset + (width * column), y + (height * row), width, height);
String title = null;
if (getDataExtractOrder() == TableOrder.BY_ROW) {
title = getDataset().getRowKey(pieIndex).toString();
} else {
title = getDataset().getColumnKey(pieIndex).toString();
}
getPieChart().setTitle(title);
PieDataset piedataset = null;
PieDataset dd = new CategoryToPieDataset(getDataset(), getDataExtractOrder(), pieIndex);
if (getLimit() > 0.0) {
piedataset =
DatasetUtilities.createConsolidatedPieDataset(dd, getAggregatedItemsKey(), getLimit());
} else {
piedataset = dd;
}
PiePlot piePlot = (PiePlot) getPieChart().getPlot();
piePlot.setDataset(piedataset);
piePlot.setPieIndex(pieIndex);
// update the section colors to match the global colors...
for (int i = 0; i < piedataset.getItemCount(); i++) {
Comparable key = piedataset.getKey(i);
Paint p;
if (key.equals(getAggregatedItemsKey())) {
p = getAggregatedItemsPaint();
} else {
p = (Paint) this.sectionPaints.get(key);
}
piePlot.setSectionPaint(key, p);
}
ChartRenderingInfo subinfo = null;
if (info != null) {
subinfo = new ChartRenderingInfo();
}
getPieChart().draw(g2, rect, subinfo);
if (info != null) {
info.getOwner().getEntityCollection().addAll(subinfo.getEntityCollection());
info.addSubplotInfo(subinfo.getPlotInfo());
}
++column;
if (column == displayCols) {
column = 0;
++row;
if (row == displayRows - 1 && diff != 0) {
xoffset = (diff * width) / 2;
}
}
}
}
/**
* 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 plot 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 (ignored here).
*/
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) {
// setup for collecting optional entity info...
EntityCollection entities = null;
if (info != null) {
entities = info.getOwner().getEntityCollection();
}
IntervalXYDataset intervalDataset = (IntervalXYDataset) dataset;
double x = intervalDataset.getXValue(series, item);
double yLow = intervalDataset.getStartYValue(series, item);
double yHigh = intervalDataset.getEndYValue(series, item);
RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
double xx = domainAxis.valueToJava2D(x, dataArea, xAxisLocation);
double yyLow = rangeAxis.valueToJava2D(yLow, dataArea, yAxisLocation);
double yyHigh = rangeAxis.valueToJava2D(yHigh, dataArea, yAxisLocation);
Paint p = getItemPaint(series, item);
Stroke s = getItemStroke(series, item);
Line2D line = null;
Shape shape = getItemShape(series, item);
Shape top = null;
Shape bottom = null;
PlotOrientation orientation = plot.getOrientation();
if (orientation == PlotOrientation.HORIZONTAL) {
line = new Line2D.Double(yyLow, xx, yyHigh, xx);
top = ShapeUtilities.createTranslatedShape(shape, yyHigh, xx);
bottom = ShapeUtilities.createTranslatedShape(shape, yyLow, xx);
} else if (orientation == PlotOrientation.VERTICAL) {
line = new Line2D.Double(xx, yyLow, xx, yyHigh);
top = ShapeUtilities.createTranslatedShape(shape, xx, yyHigh);
bottom = ShapeUtilities.createTranslatedShape(shape, xx, yyLow);
}
g2.setPaint(p);
g2.setStroke(s);
g2.draw(line);
g2.fill(top);
g2.fill(bottom);
// for item labels, we have a special case because there is the
// possibility to draw (a) the regular item label near to just the
// upper y-value, or (b) the regular item label near the upper y-value
// PLUS an additional item label near the lower y-value.
if (isItemLabelVisible(series, item)) {
drawItemLabel(g2, orientation, dataset, series, item, xx, yyHigh, false);
drawAdditionalItemLabel(g2, orientation, dataset, series, item, xx, yyLow);
}
// add an entity for the item...
if (entities != null) {
addEntity(entities, line.getBounds(), dataset, series, item, 0.0, 0.0);
}
}
/**
* 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 information about crosshairs on a plot.
* @param pass the pass index.
*/
@Override
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) {
// setup for collecting optional entity info...
Shape entityArea;
EntityCollection entities = null;
if (info != null) {
entities = info.getOwner().getEntityCollection();
}
TableXYDataset tdataset = (TableXYDataset) dataset;
PlotOrientation orientation = plot.getOrientation();
// get the data point...
double x1 = dataset.getXValue(series, item);
double y1 = dataset.getYValue(series, item);
if (Double.isNaN(y1)) {
y1 = 0.0;
}
double[] stack1 = getStackValues(tdataset, series, item);
// get the previous point and the next point so we can calculate a
// "hot spot" for the area (used by the chart entity)...
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[] stack0 = getStackValues(tdataset, series, Math.max(item - 1, 0));
int itemCount = dataset.getItemCount(series);
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[] stack2 = getStackValues(tdataset, series, Math.min(item + 1, itemCount - 1));
double xleft = (x0 + x1) / 2.0;
double xright = (x1 + x2) / 2.0;
double[] stackLeft = averageStackValues(stack0, stack1);
double[] stackRight = averageStackValues(stack1, stack2);
double[] adjStackLeft = adjustedStackValues(stack0, stack1);
double[] adjStackRight = adjustedStackValues(stack1, stack2);
RectangleEdge edge0 = plot.getDomainAxisEdge();
float transX1 = (float) domainAxis.valueToJava2D(x1, dataArea, edge0);
float transXLeft = (float) domainAxis.valueToJava2D(xleft, dataArea, edge0);
float transXRight = (float) domainAxis.valueToJava2D(xright, dataArea, edge0);
if (this.roundXCoordinates) {
transX1 = Math.round(transX1);
transXLeft = Math.round(transXLeft);
transXRight = Math.round(transXRight);
}
float transY1;
RectangleEdge edge1 = plot.getRangeAxisEdge();
GeneralPath left = new GeneralPath();
GeneralPath right = new GeneralPath();
if (y1 >= 0.0) { // handle positive value
transY1 = (float) rangeAxis.valueToJava2D(y1 + stack1[1], dataArea, edge1);
float transStack1 = (float) rangeAxis.valueToJava2D(stack1[1], dataArea, edge1);
float transStackLeft = (float) rangeAxis.valueToJava2D(adjStackLeft[1], dataArea, edge1);
// LEFT POLYGON
if (y0 >= 0.0) {
double yleft = (y0 + y1) / 2.0 + stackLeft[1];
float transYLeft = (float) rangeAxis.valueToJava2D(yleft, dataArea, edge1);
if (orientation == PlotOrientation.VERTICAL) {
left.moveTo(transX1, transY1);
left.lineTo(transX1, transStack1);
left.lineTo(transXLeft, transStackLeft);
left.lineTo(transXLeft, transYLeft);
} else {
left.moveTo(transY1, transX1);
left.lineTo(transStack1, transX1);
left.lineTo(transStackLeft, transXLeft);
left.lineTo(transYLeft, transXLeft);
}
left.closePath();
} else {
if (orientation == PlotOrientation.VERTICAL) {
left.moveTo(transX1, transStack1);
left.lineTo(transX1, transY1);
left.lineTo(transXLeft, transStackLeft);
} else {
left.moveTo(transStack1, transX1);
left.lineTo(transY1, transX1);
left.lineTo(transStackLeft, transXLeft);
}
left.closePath();
}
float transStackRight = (float) rangeAxis.valueToJava2D(adjStackRight[1], dataArea, edge1);
// RIGHT POLYGON
if (y2 >= 0.0) {
double yright = (y1 + y2) / 2.0 + stackRight[1];
float transYRight = (float) rangeAxis.valueToJava2D(yright, dataArea, edge1);
if (orientation == PlotOrientation.VERTICAL) {
right.moveTo(transX1, transStack1);
right.lineTo(transX1, transY1);
right.lineTo(transXRight, transYRight);
right.lineTo(transXRight, transStackRight);
} else {
right.moveTo(transStack1, transX1);
right.lineTo(transY1, transX1);
right.lineTo(transYRight, transXRight);
right.lineTo(transStackRight, transXRight);
}
right.closePath();
} else {
if (orientation == PlotOrientation.VERTICAL) {
right.moveTo(transX1, transStack1);
right.lineTo(transX1, transY1);
right.lineTo(transXRight, transStackRight);
} else {
right.moveTo(transStack1, transX1);
right.lineTo(transY1, transX1);
right.lineTo(transStackRight, transXRight);
}
right.closePath();
}
} else { // handle negative value
transY1 = (float) rangeAxis.valueToJava2D(y1 + stack1[0], dataArea, edge1);
float transStack1 = (float) rangeAxis.valueToJava2D(stack1[0], dataArea, edge1);
float transStackLeft = (float) rangeAxis.valueToJava2D(adjStackLeft[0], dataArea, edge1);
// LEFT POLYGON
if (y0 >= 0.0) {
if (orientation == PlotOrientation.VERTICAL) {
left.moveTo(transX1, transStack1);
left.lineTo(transX1, transY1);
left.lineTo(transXLeft, transStackLeft);
} else {
left.moveTo(transStack1, transX1);
left.lineTo(transY1, transX1);
left.lineTo(transStackLeft, transXLeft);
}
left.clone();
} else {
double yleft = (y0 + y1) / 2.0 + stackLeft[0];
float transYLeft = (float) rangeAxis.valueToJava2D(yleft, dataArea, edge1);
if (orientation == PlotOrientation.VERTICAL) {
left.moveTo(transX1, transY1);
left.lineTo(transX1, transStack1);
left.lineTo(transXLeft, transStackLeft);
left.lineTo(transXLeft, transYLeft);
} else {
left.moveTo(transY1, transX1);
left.lineTo(transStack1, transX1);
left.lineTo(transStackLeft, transXLeft);
left.lineTo(transYLeft, transXLeft);
}
left.closePath();
}
float transStackRight = (float) rangeAxis.valueToJava2D(adjStackRight[0], dataArea, edge1);
// RIGHT POLYGON
if (y2 >= 0.0) {
if (orientation == PlotOrientation.VERTICAL) {
right.moveTo(transX1, transStack1);
right.lineTo(transX1, transY1);
right.lineTo(transXRight, transStackRight);
} else {
right.moveTo(transStack1, transX1);
right.lineTo(transY1, transX1);
right.lineTo(transStackRight, transXRight);
}
right.closePath();
} else {
double yright = (y1 + y2) / 2.0 + stackRight[0];
float transYRight = (float) rangeAxis.valueToJava2D(yright, dataArea, edge1);
if (orientation == PlotOrientation.VERTICAL) {
right.moveTo(transX1, transStack1);
right.lineTo(transX1, transY1);
right.lineTo(transXRight, transYRight);
right.lineTo(transXRight, transStackRight);
} else {
right.moveTo(transStack1, transX1);
right.lineTo(transY1, transX1);
right.lineTo(transYRight, transXRight);
right.lineTo(transStackRight, transXRight);
}
right.closePath();
}
}
// Get series Paint and Stroke
Paint itemPaint = getItemPaint(series, item);
if (pass == 0) {
g2.setPaint(itemPaint);
g2.fill(left);
g2.fill(right);
}
// add an entity for the item...
if (entities != null) {
GeneralPath gp = new GeneralPath(left);
gp.append(right, false);
entityArea = gp;
addEntity(entities, entityArea, dataset, series, item, transX1, transY1);
}
}
/**
* 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 plot 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.
*/
@Override
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) {
double x = dataset.getXValue(series, item);
if (!domainAxis.getRange().contains(x)) {
return; // the x value is not within the axis range
}
double xx = domainAxis.valueToJava2D(x, dataArea, plot.getDomainAxisEdge());
// setup for collecting optional entity info...
Shape entityArea = null;
EntityCollection entities = null;
if (info != null) {
entities = info.getOwner().getEntityCollection();
}
PlotOrientation orientation = plot.getOrientation();
RectangleEdge location = plot.getRangeAxisEdge();
Paint itemPaint = getItemPaint(series, item);
Stroke itemStroke = getItemStroke(series, item);
g2.setPaint(itemPaint);
g2.setStroke(itemStroke);
if (dataset instanceof OHLCDataset) {
OHLCDataset hld = (OHLCDataset) dataset;
double yHigh = hld.getHighValue(series, item);
double yLow = hld.getLowValue(series, item);
if (!Double.isNaN(yHigh) && !Double.isNaN(yLow)) {
double yyHigh = rangeAxis.valueToJava2D(yHigh, dataArea, location);
double yyLow = rangeAxis.valueToJava2D(yLow, dataArea, location);
if (orientation == PlotOrientation.HORIZONTAL) {
g2.draw(new Line2D.Double(yyLow, xx, yyHigh, xx));
entityArea =
new Rectangle2D.Double(
Math.min(yyLow, yyHigh), xx - 1.0, Math.abs(yyHigh - yyLow), 2.0);
} else if (orientation == PlotOrientation.VERTICAL) {
g2.draw(new Line2D.Double(xx, yyLow, xx, yyHigh));
entityArea =
new Rectangle2D.Double(
xx - 1.0, Math.min(yyLow, yyHigh), 2.0, Math.abs(yyHigh - yyLow));
}
}
double delta = getTickLength();
if (domainAxis.isInverted()) {
delta = -delta;
}
if (getDrawOpenTicks()) {
double yOpen = hld.getOpenValue(series, item);
if (!Double.isNaN(yOpen)) {
double yyOpen = rangeAxis.valueToJava2D(yOpen, dataArea, location);
if (this.openTickPaint != null) {
g2.setPaint(this.openTickPaint);
} else {
g2.setPaint(itemPaint);
}
if (orientation == PlotOrientation.HORIZONTAL) {
g2.draw(new Line2D.Double(yyOpen, xx + delta, yyOpen, xx));
} else if (orientation == PlotOrientation.VERTICAL) {
g2.draw(new Line2D.Double(xx - delta, yyOpen, xx, yyOpen));
}
}
}
if (getDrawCloseTicks()) {
double yClose = hld.getCloseValue(series, item);
if (!Double.isNaN(yClose)) {
double yyClose = rangeAxis.valueToJava2D(yClose, dataArea, location);
if (this.closeTickPaint != null) {
g2.setPaint(this.closeTickPaint);
} else {
g2.setPaint(itemPaint);
}
if (orientation == PlotOrientation.HORIZONTAL) {
g2.draw(new Line2D.Double(yyClose, xx, yyClose, xx - delta));
} else if (orientation == PlotOrientation.VERTICAL) {
g2.draw(new Line2D.Double(xx, yyClose, xx + delta, yyClose));
}
}
}
} else {
// not a HighLowDataset, so just draw a line connecting this point
// with the previous point...
if (item > 0) {
double x0 = dataset.getXValue(series, item - 1);
double y0 = dataset.getYValue(series, item - 1);
double y = dataset.getYValue(series, item);
if (Double.isNaN(x0) || Double.isNaN(y0) || Double.isNaN(y)) {
return;
}
double xx0 = domainAxis.valueToJava2D(x0, dataArea, plot.getDomainAxisEdge());
double yy0 = rangeAxis.valueToJava2D(y0, dataArea, location);
double yy = rangeAxis.valueToJava2D(y, dataArea, location);
if (orientation == PlotOrientation.HORIZONTAL) {
g2.draw(new Line2D.Double(yy0, xx0, yy, xx));
} else if (orientation == PlotOrientation.VERTICAL) {
g2.draw(new Line2D.Double(xx0, yy0, xx, yy));
}
}
}
if (entities != null) {
addEntity(entities, entityArea, dataset, series, item, 0.0, 0.0);
}
}
/**
* 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 plot 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 (!(dataset instanceof IntervalXYDataset && dataset instanceof TableXYDataset)) {
String message = "dataset (type " + dataset.getClass().getName() + ") has wrong type:";
boolean and = false;
if (!IntervalXYDataset.class.isAssignableFrom(dataset.getClass())) {
message += " it is no IntervalXYDataset";
and = true;
}
if (!TableXYDataset.class.isAssignableFrom(dataset.getClass())) {
if (and) {
message += " and";
}
message += " it is no TableXYDataset";
}
throw new IllegalArgumentException(message);
}
IntervalXYDataset intervalDataset = (IntervalXYDataset) dataset;
double value = intervalDataset.getYValue(series, item);
if (Double.isNaN(value)) {
return;
}
// if we are rendering the values as percentages, we need to calculate
// the total for the current item. Unfortunately here we end up
// repeating the calculation more times than is strictly necessary -
// hopefully I'll come back to this and find a way to add the
// total(s) to the renderer state. The other problem is we implicitly
// assume the dataset has no negative values...perhaps that can be
// fixed too.
double total = 0.0;
if (this.renderAsPercentages) {
total = DatasetUtilities.calculateStackTotal((TableXYDataset) dataset, item);
value = value / total;
}
double positiveBase = 0.0;
double negativeBase = 0.0;
for (int i = 0; i < series; i++) {
double v = dataset.getYValue(i, item);
if (!Double.isNaN(v)) {
if (this.renderAsPercentages) {
v = v / total;
}
if (v > 0) {
positiveBase = positiveBase + v;
} else {
negativeBase = negativeBase + v;
}
}
}
double translatedBase;
double translatedValue;
RectangleEdge edgeR = plot.getRangeAxisEdge();
if (value > 0.0) {
translatedBase = rangeAxis.valueToJava2D(positiveBase, dataArea, edgeR);
translatedValue = rangeAxis.valueToJava2D(positiveBase + value, dataArea, edgeR);
} else {
translatedBase = rangeAxis.valueToJava2D(negativeBase, dataArea, edgeR);
translatedValue = rangeAxis.valueToJava2D(negativeBase + value, dataArea, edgeR);
}
RectangleEdge edgeD = plot.getDomainAxisEdge();
double startX = intervalDataset.getStartXValue(series, item);
if (Double.isNaN(startX)) {
return;
}
double translatedStartX = domainAxis.valueToJava2D(startX, dataArea, edgeD);
double endX = intervalDataset.getEndXValue(series, item);
if (Double.isNaN(endX)) {
return;
}
double translatedEndX = domainAxis.valueToJava2D(endX, dataArea, edgeD);
double translatedWidth = Math.max(1, Math.abs(translatedEndX - translatedStartX));
double translatedHeight = Math.abs(translatedValue - translatedBase);
if (getMargin() > 0.0) {
double cut = translatedWidth * getMargin();
translatedWidth = translatedWidth - cut;
translatedStartX = translatedStartX + cut / 2;
}
Rectangle2D bar = null;
PlotOrientation orientation = plot.getOrientation();
if (orientation == PlotOrientation.HORIZONTAL) {
bar =
new Rectangle2D.Double(
Math.min(translatedBase, translatedValue),
Math.min(translatedEndX, translatedStartX),
translatedHeight,
translatedWidth);
} else if (orientation == PlotOrientation.VERTICAL) {
bar =
new Rectangle2D.Double(
Math.min(translatedStartX, translatedEndX),
Math.min(translatedBase, translatedValue),
translatedWidth,
translatedHeight);
}
boolean positive = (value > 0.0);
boolean inverted = rangeAxis.isInverted();
RectangleEdge barBase;
if (orientation == PlotOrientation.HORIZONTAL) {
if (positive && inverted || !positive && !inverted) {
barBase = RectangleEdge.RIGHT;
} else {
barBase = RectangleEdge.LEFT;
}
} else {
if (positive && !inverted || !positive && inverted) {
barBase = RectangleEdge.BOTTOM;
} else {
barBase = RectangleEdge.TOP;
}
}
if (pass == 0) {
if (getShadowsVisible()) {
getBarPainter().paintBarShadow(g2, this, series, item, bar, barBase, false);
}
} else if (pass == 1) {
getBarPainter().paintBar(g2, this, series, item, bar, barBase);
// add an entity for the item...
if (info != null) {
EntityCollection entities = info.getOwner().getEntityCollection();
if (entities != null) {
addEntity(entities, bar, dataset, series, item, bar.getCenterX(), bar.getCenterY());
}
}
} else if (pass == 2) {
// handle item label drawing, now that we know all the bars have
// been drawn...
if (isItemLabelVisible(series, item)) {
XYItemLabelGenerator generator = getItemLabelGenerator(series, item);
drawItemLabel(g2, dataset, series, item, plot, generator, bar, value < 0.0);
}
}
}
/**
* Draws the category labels and returns the updated axis state.
*
* @param g2 the graphics device (<code>null</code> not permitted).
* @param plotArea the plot area (<code>null</code> not permitted).
* @param dataArea the area inside the axes (<code>null</code> not permitted).
* @param edge the axis location (<code>null</code> not permitted).
* @param state the axis state (<code>null</code> not permitted).
* @param plotState collects information about the plot (<code>null</code> permitted).
* @return The updated axis state (never <code>null</code>).
*/
protected AxisState drawCategoryLabels(
Graphics2D g2,
Rectangle2D plotArea,
Rectangle2D dataArea,
RectangleEdge edge,
AxisState state,
PlotRenderingInfo plotState) {
ParamChecks.nullNotPermitted(state, "state");
if (!isTickLabelsVisible()) {
return state;
}
List<CategoryTick> ticks = refreshTicks(g2, state, plotArea, edge);
// state.setTicks(ticks); //FIXME MMC had to remove this as the types don't match
int categoryIndex = 0;
for (CategoryTick tick : ticks) {
g2.setFont(getTickLabelFont(tick.getCategory()));
g2.setPaint(getTickLabelPaint(tick.getCategory()));
CategoryLabelPosition position = this.categoryLabelPositions.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.categoryLabelPositionOffset;
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.categoryLabelPositionOffset;
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.categoryLabelPositionOffset;
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.categoryLabelPositionOffset;
x1 = x0 - state.getMax();
}
Rectangle2D area = new Rectangle2D.Double(x0, y0, (x1 - x0), (y1 - y0));
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());
String url = getCategoryLabelURL(tick.getCategory());
entities.add(new CategoryLabelEntity(tick.getCategory(), bounds, tooltip, url));
}
}
categoryIndex++;
}
if (edge.equals(RectangleEdge.TOP)) {
double h = state.getMax() + this.categoryLabelPositionOffset;
state.cursorUp(h);
} else if (edge.equals(RectangleEdge.BOTTOM)) {
double h = state.getMax() + this.categoryLabelPositionOffset;
state.cursorDown(h);
} else if (edge == RectangleEdge.LEFT) {
double w = state.getMax() + this.categoryLabelPositionOffset;
state.cursorLeft(w);
} else if (edge == RectangleEdge.RIGHT) {
double w = state.getMax() + this.categoryLabelPositionOffset;
state.cursorRight(w);
}
return state;
}
/**
* Draws the block representing the specified item.
*
* @param g2 the graphics device.
* @param state the state.
* @param dataArea the data area.
* @param info the plot rendering info.
* @param plot the plot.
* @param domainAxis the x-axis.
* @param rangeAxis the y-axis.
* @param dataset the dataset.
* @param series the series index.
* @param item the item index.
* @param crosshairState the crosshair state.
* @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) {
Shape hotspot = null;
EntityCollection entities = null;
if (info != null) {
entities = info.getOwner().getEntityCollection();
}
double x = dataset.getXValue(series, item);
double y = dataset.getYValue(series, item);
if (Double.isNaN(x) || Double.isNaN(y)) {
// can't draw anything
return;
}
double transX = domainAxis.valueToJava2D(x, dataArea, plot.getDomainAxisEdge());
double transY = rangeAxis.valueToJava2D(y, dataArea, plot.getRangeAxisEdge());
PlotOrientation orientation = plot.getOrientation();
// draw optional guide lines
if ((pass == 0) && this.guideLinesVisible) {
g2.setStroke(this.guideLineStroke);
g2.setPaint(this.guideLinePaint);
if (orientation == PlotOrientation.HORIZONTAL) {
g2.draw(new Line2D.Double(transY, dataArea.getMinY(), transY, dataArea.getMaxY()));
g2.draw(new Line2D.Double(dataArea.getMinX(), transX, dataArea.getMaxX(), transX));
} else {
g2.draw(new Line2D.Double(transX, dataArea.getMinY(), transX, dataArea.getMaxY()));
g2.draw(new Line2D.Double(dataArea.getMinX(), transY, dataArea.getMaxX(), transY));
}
} else if (pass == 1) {
Shape shape = getItemShape(series, item);
if (orientation == PlotOrientation.HORIZONTAL) {
shape = ShapeUtilities.createTranslatedShape(shape, transY, transX);
} else if (orientation == PlotOrientation.VERTICAL) {
shape = ShapeUtilities.createTranslatedShape(shape, transX, transY);
}
hotspot = shape;
if (shape.intersects(dataArea)) {
// if (getItemShapeFilled(series, item)) {
g2.setPaint(getPaint(dataset, series, item));
g2.fill(shape);
// }
if (this.drawOutlines) {
if (getUseOutlinePaint()) {
g2.setPaint(getItemOutlinePaint(series, item));
} else {
g2.setPaint(getItemPaint(series, item));
}
g2.setStroke(getItemOutlineStroke(series, item));
g2.draw(shape);
}
}
// add an entity for the item...
if (entities != null) {
addEntity(entities, hotspot, dataset, series, item, transX, transY);
}
}
}
