XYLineAndShapeRenderer.java
/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2021, by David Gilbert and Contributors.
*
* Project Info: http://www.jfree.org/jfreechart/index.html
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.]
*
* ---------------------------
* XYLineAndShapeRenderer.java
* ---------------------------
* (C) Copyright 2004-2021, by David Gilbert.
*
* Original Author: David Gilbert;
* Contributor(s): -;
*
*/
package org.jfree.chart.renderer.xy;
import java.awt.Graphics2D;
import java.awt.Paint;
import java.awt.Shape;
import java.awt.Stroke;
import java.awt.geom.GeneralPath;
import java.awt.geom.Line2D;
import java.awt.geom.Rectangle2D;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;
import org.jfree.chart.legend.LegendItem;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.entity.EntityCollection;
import org.jfree.chart.event.RendererChangeEvent;
import org.jfree.chart.plot.CrosshairState;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.PlotRenderingInfo;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.api.RectangleEdge;
import org.jfree.chart.internal.LineUtils;
import org.jfree.chart.internal.Args;
import org.jfree.chart.api.PublicCloneable;
import org.jfree.chart.internal.CloneUtils;
import org.jfree.chart.internal.SerialUtils;
import org.jfree.chart.internal.ShapeUtils;
import org.jfree.data.xy.XYDataset;
/**
* A renderer that connects data points with lines and/or draws shapes at each
* data point. This renderer is designed for use with the {@link XYPlot}
* class. The example shown here is generated by
* the {@code XYLineAndShapeRendererDemo2.java} program included in the
* JFreeChart demo collection:
* <br><br>
* <img src="doc-files/XYLineAndShapeRendererSample.png"
* alt="XYLineAndShapeRendererSample.png">
*
*/
public class XYLineAndShapeRenderer extends AbstractXYItemRenderer
implements XYItemRenderer, Cloneable, PublicCloneable, Serializable {
/** For serialization. */
private static final long serialVersionUID = -7435246895986425885L;
/**
* A table of flags that control (per series) whether or not lines are
* visible.
*/
private Map<Integer, Boolean> seriesLinesVisibleMap;
/** The default value returned by the getLinesVisible() method. */
private boolean defaultLinesVisible;
/** The shape that is used to represent a line in the legend. */
private transient Shape legendLine;
/**
* A table of flags that control (per series) whether or not shapes are
* visible.
*/
private Map<Integer, Boolean> seriesShapesVisibleMap;
/** The default value returned by the getShapeVisible() method. */
private boolean defaultShapesVisible;
/**
* A table of flags that control (per series) whether or not shapes are
* filled.
*/
private Map<Integer, Boolean> seriesShapesFilledMap;
/** The default value returned by the getShapeFilled() method. */
private boolean defaultShapesFilled;
/** A flag that controls whether outlines are drawn for shapes. */
private boolean drawOutlines;
/**
* A flag that controls whether the fill paint is used for filling
* shapes.
*/
private boolean useFillPaint;
/**
* A flag that controls whether the outline paint is used for drawing shape
* outlines.
*/
private boolean useOutlinePaint;
/**
* A flag that controls whether or not each series is drawn as a single
* path.
*/
private boolean drawSeriesLineAsPath;
/**
* Creates a new renderer with both lines and shapes visible.
*/
public XYLineAndShapeRenderer() {
this(true, true);
}
/**
* Creates a new renderer.
*
* @param lines lines visible?
* @param shapes shapes visible?
*/
public XYLineAndShapeRenderer(boolean lines, boolean shapes) {
this.seriesLinesVisibleMap = new HashMap<>();
this.defaultLinesVisible = lines;
this.legendLine = new Line2D.Double(-7.0, 0.0, 7.0, 0.0);
this.seriesShapesVisibleMap = new HashMap<>();
this.defaultShapesVisible = shapes;
this.useFillPaint = false; // use item paint for fills by default
this.seriesShapesFilledMap = new HashMap<>();
this.defaultShapesFilled = true;
this.drawOutlines = true;
this.useOutlinePaint = false; // use item paint for outlines by
// default, not outline paint
this.drawSeriesLineAsPath = false;
}
/**
* Returns a flag that controls whether or not each series is drawn as a
* single path. The default value is {@code false}.
*
* @return A boolean.
*
* @see #setDrawSeriesLineAsPath(boolean)
*/
public boolean getDrawSeriesLineAsPath() {
return this.drawSeriesLineAsPath;
}
/**
* Sets the flag that controls whether or not each series is drawn as a
* single path and sends a {@link RendererChangeEvent} to all registered
* listeners.
*
* @param flag the flag.
*
* @see #getDrawSeriesLineAsPath()
*/
public void setDrawSeriesLineAsPath(boolean flag) {
if (this.drawSeriesLineAsPath != flag) {
this.drawSeriesLineAsPath = flag;
fireChangeEvent();
}
}
/**
* Returns the number of passes through the data that the renderer requires
* in order to draw the chart. Most charts will require a single pass, but
* some require two passes.
*
* @return The pass count.
*/
@Override
public int getPassCount() {
return 2;
}
// LINES VISIBLE
/**
* Returns the flag used to control whether or not the shape for an item is
* visible.
*
* @param series the series index (zero-based).
* @param item the item index (zero-based).
*
* @return A boolean.
*/
public boolean getItemLineVisible(int series, int item) {
Boolean flag = getSeriesLinesVisible(series);
if (flag != null) {
return flag;
}
return this.defaultLinesVisible;
}
/**
* Returns the flag used to control whether or not the lines for a series
* are visible.
*
* @param series the series index (zero-based).
*
* @return The flag (possibly {@code null}).
*
* @see #setSeriesLinesVisible(int, Boolean)
*/
public Boolean getSeriesLinesVisible(int series) {
return this.seriesLinesVisibleMap.get(series);
}
/**
* Sets the 'lines visible' flag for a series and sends a
* {@link RendererChangeEvent} to all registered listeners.
*
* @param series the series index (zero-based).
* @param flag the flag ({@code null} permitted).
*
* @see #getSeriesLinesVisible(int)
*/
public void setSeriesLinesVisible(int series, Boolean flag) {
this.seriesLinesVisibleMap.put(series, flag);
fireChangeEvent();
}
/**
* Sets the 'lines visible' flag for a series and sends a
* {@link RendererChangeEvent} to all registered listeners.
*
* @param series the series index (zero-based).
* @param visible the flag.
*
* @see #getSeriesLinesVisible(int)
*/
public void setSeriesLinesVisible(int series, boolean visible) {
setSeriesLinesVisible(series, Boolean.valueOf(visible));
}
/**
* Returns the default 'lines visible' attribute.
*
* @return The default flag.
*
* @see #setDefaultLinesVisible(boolean)
*/
public boolean getDefaultLinesVisible() {
return this.defaultLinesVisible;
}
/**
* Sets the default 'lines visible' flag and sends a
* {@link RendererChangeEvent} to all registered listeners.
*
* @param flag the flag.
*
* @see #getDefaultLinesVisible()
*/
public void setDefaultLinesVisible(boolean flag) {
this.defaultLinesVisible = flag;
fireChangeEvent();
}
/**
* Returns the shape used to represent a line in the legend.
*
* @return The legend line (never {@code null}).
*
* @see #setLegendLine(Shape)
*/
public Shape getLegendLine() {
return this.legendLine;
}
/**
* Sets the shape used as a line in each legend item and sends a
* {@link RendererChangeEvent} to all registered listeners.
*
* @param line the line ({@code null} not permitted).
*
* @see #getLegendLine()
*/
public void setLegendLine(Shape line) {
Args.nullNotPermitted(line, "line");
this.legendLine = line;
fireChangeEvent();
}
// SHAPES VISIBLE
/**
* Returns the flag used to control whether or not the shape for an item is
* visible.
* <p>
* The default implementation passes control to the
* {@code getSeriesShapesVisible()} method. You can override this method
* if you require different behaviour.
*
* @param series the series index (zero-based).
* @param item the item index (zero-based).
*
* @return A boolean.
*/
public boolean getItemShapeVisible(int series, int item) {
Boolean flag = getSeriesShapesVisible(series);
if (flag != null) {
return flag;
}
return this.defaultShapesVisible;
}
/**
* Returns the flag used to control whether or not the shapes for a series
* are visible.
*
* @param series the series index (zero-based).
*
* @return A boolean.
*
* @see #setSeriesShapesVisible(int, Boolean)
*/
public Boolean getSeriesShapesVisible(int series) {
return this.seriesShapesVisibleMap.get(series);
}
/**
* Sets the 'shapes visible' flag for a series and sends a
* {@link RendererChangeEvent} to all registered listeners.
*
* @param series the series index (zero-based).
* @param visible the flag.
*
* @see #getSeriesShapesVisible(int)
*/
public void setSeriesShapesVisible(int series, boolean visible) {
setSeriesShapesVisible(series, Boolean.valueOf(visible));
}
/**
* Sets the 'shapes visible' flag for a series and sends a
* {@link RendererChangeEvent} to all registered listeners.
*
* @param series the series index (zero-based).
* @param flag the flag.
*
* @see #getSeriesShapesVisible(int)
*/
public void setSeriesShapesVisible(int series, Boolean flag) {
this.seriesShapesVisibleMap.put(series, flag);
fireChangeEvent();
}
/**
* Returns the default 'shape visible' attribute.
*
* @return The default flag.
*
* @see #setDefaultShapesVisible(boolean)
*/
public boolean getDefaultShapesVisible() {
return this.defaultShapesVisible;
}
/**
* Sets the default 'shapes visible' flag and sends a
* {@link RendererChangeEvent} to all registered listeners.
*
* @param flag the flag.
*
* @see #getDefaultShapesVisible()
*/
public void setDefaultShapesVisible(boolean flag) {
this.defaultShapesVisible = flag;
fireChangeEvent();
}
// SHAPES FILLED
/**
* Returns the flag used to control whether or not the shape for an item
* is filled.
* <p>
* The default implementation passes control to the
* {@code getSeriesShapesFilled} method. You can override this method
* if you require different behaviour.
*
* @param series the series index (zero-based).
* @param item the item index (zero-based).
*
* @return A boolean.
*/
public boolean getItemShapeFilled(int series, int item) {
Boolean flag = getSeriesShapesFilled(series);
if (flag != null) {
return flag;
}
return this.defaultShapesFilled;
}
/**
* Returns the flag used to control whether or not the shapes for a series
* are filled.
*
* @param series the series index (zero-based).
*
* @return A boolean.
*
* @see #setSeriesShapesFilled(int, Boolean)
*/
public Boolean getSeriesShapesFilled(int series) {
return this.seriesShapesFilledMap.get(series);
}
/**
* Sets the 'shapes filled' flag for a series and sends a
* {@link RendererChangeEvent} to all registered listeners.
*
* @param series the series index (zero-based).
* @param flag the flag.
*
* @see #getSeriesShapesFilled(int)
*/
public void setSeriesShapesFilled(int series, boolean flag) {
setSeriesShapesFilled(series, Boolean.valueOf(flag));
}
/**
* Sets the 'shapes filled' flag for a series and sends a
* {@link RendererChangeEvent} to all registered listeners.
*
* @param series the series index (zero-based).
* @param flag the flag.
*
* @see #getSeriesShapesFilled(int)
*/
public void setSeriesShapesFilled(int series, Boolean flag) {
this.seriesShapesFilledMap.put(series, flag);
fireChangeEvent();
}
/**
* Returns the default 'shape filled' attribute.
*
* @return The default flag.
*
* @see #setDefaultShapesFilled(boolean)
*/
public boolean getDefaultShapesFilled() {
return this.defaultShapesFilled;
}
/**
* Sets the default 'shapes filled' flag and sends a
* {@link RendererChangeEvent} to all registered listeners.
*
* @param flag the flag.
*
* @see #getDefaultShapesFilled()
*/
public void setDefaultShapesFilled(boolean flag) {
this.defaultShapesFilled = flag;
fireChangeEvent();
}
/**
* Returns {@code true} if outlines should be drawn for shapes, and
* {@code false} otherwise.
*
* @return A boolean.
*
* @see #setDrawOutlines(boolean)
*/
public boolean getDrawOutlines() {
return this.drawOutlines;
}
/**
* Sets the flag that controls whether outlines are drawn for
* shapes, and sends a {@link RendererChangeEvent} to all registered
* listeners.
* <P>
* In some cases, shapes look better if they do NOT have an outline, but
* this flag allows you to set your own preference.
*
* @param flag the flag.
*
* @see #getDrawOutlines()
*/
public void setDrawOutlines(boolean flag) {
this.drawOutlines = flag;
fireChangeEvent();
}
/**
* Returns {@code true} if the renderer should use the fill paint
* setting to fill shapes, and {@code false} if it should just
* use the regular paint.
* <p>
* Refer to {@code XYLineAndShapeRendererDemo2.java} to see the
* effect of this flag.
*
* @return A boolean.
*
* @see #setUseFillPaint(boolean)
* @see #getUseOutlinePaint()
*/
public boolean getUseFillPaint() {
return this.useFillPaint;
}
/**
* Sets the flag that controls whether the fill paint is used to fill
* shapes, and sends a {@link RendererChangeEvent} to all
* registered listeners.
*
* @param flag the flag.
*
* @see #getUseFillPaint()
*/
public void setUseFillPaint(boolean flag) {
this.useFillPaint = flag;
fireChangeEvent();
}
/**
* Returns {@code true} if the renderer should use the outline paint
* setting to draw shape outlines, and {@code false} if it should just
* use the regular paint.
*
* @return A boolean.
*
* @see #setUseOutlinePaint(boolean)
* @see #getUseFillPaint()
*/
public boolean getUseOutlinePaint() {
return this.useOutlinePaint;
}
/**
* Sets the flag that controls whether the outline paint is used to draw
* shape outlines, and sends a {@link RendererChangeEvent} to all
* registered listeners.
* <p>
* Refer to {@code XYLineAndShapeRendererDemo2.java} to see the
* effect of this flag.
*
* @param flag the flag.
*
* @see #getUseOutlinePaint()
*/
public void setUseOutlinePaint(boolean flag) {
this.useOutlinePaint = flag;
fireChangeEvent();
}
/**
* Records the state for the renderer. This is used to preserve state
* information between calls to the drawItem() method for a single chart
* drawing.
*/
public static class State extends XYItemRendererState {
/** The path for the current series. */
public GeneralPath seriesPath;
/**
* A flag that indicates if the last (x, y) point was 'good'
* (non-null).
*/
private boolean lastPointGood;
/**
* Creates a new state instance.
*
* @param info the plot rendering info.
*/
public State(PlotRenderingInfo info) {
super(info);
this.seriesPath = new GeneralPath();
}
/**
* Returns a flag that indicates if the last point drawn (in the
* current series) was 'good' (non-null).
*
* @return A boolean.
*/
public boolean isLastPointGood() {
return this.lastPointGood;
}
/**
* Sets a flag that indicates if the last point drawn (in the current
* series) was 'good' (non-null).
*
* @param good the flag.
*/
public void setLastPointGood(boolean good) {
this.lastPointGood = good;
}
/**
* This method is called by the {@link XYPlot} at the start of each
* series pass. We reset the state for the current series.
*
* @param dataset the dataset.
* @param series the series index.
* @param firstItem the first item index for this pass.
* @param lastItem the last item index for this pass.
* @param pass the current pass index.
* @param passCount the number of passes.
*/
@Override
public void startSeriesPass(XYDataset dataset, int series,
int firstItem, int lastItem, int pass, int passCount) {
this.seriesPath.reset();
this.lastPointGood = false;
super.startSeriesPass(dataset, series, firstItem, lastItem, pass,
passCount);
}
}
/**
* Initialises the renderer.
* <P>
* This method will be called before the first item is rendered, giving the
* renderer an opportunity to initialise any state information it wants to
* maintain. The renderer can do nothing if it chooses.
*
* @param g2 the graphics device.
* @param dataArea the area inside the axes.
* @param plot the plot.
* @param data the data.
* @param info an optional info collection object to return data back to
* the caller.
*
* @return The renderer state.
*/
@Override
public XYItemRendererState initialise(Graphics2D g2, Rectangle2D dataArea,
XYPlot plot, XYDataset data, PlotRenderingInfo info) {
return new State(info);
}
/**
* 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 {@code true} if the specified pass is the one for drawing
* lines.
*
* @param pass the pass.
*
* @return A boolean.
*/
protected boolean isLinePass(int pass) {
return pass == 0;
}
/**
* Returns {@code true} if the specified pass is the one for drawing
* items.
*
* @param pass the pass.
*
* @return A boolean.
*/
protected boolean isItemPass(int pass) {
return pass == 1;
}
/**
* Draws the item (first pass). This method draws the lines
* connecting the items.
*
* @param g2 the graphics device.
* @param state the renderer state.
* @param dataArea the area within which the data is being drawn.
* @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 pass the pass.
* @param series the series index (zero-based).
* @param item the item index (zero-based).
*/
protected void drawPrimaryLine(XYItemRendererState state,
Graphics2D g2,
XYPlot plot,
XYDataset dataset,
int pass,
int series,
int item,
ValueAxis domainAxis,
ValueAxis rangeAxis,
Rectangle2D dataArea) {
if (item == 0) {
return;
}
// get the data point...
double x1 = dataset.getXValue(series, item);
double y1 = dataset.getYValue(series, item);
if (Double.isNaN(y1) || Double.isNaN(x1)) {
return;
}
double x0 = dataset.getXValue(series, item - 1);
double y0 = dataset.getYValue(series, item - 1);
if (Double.isNaN(y0) || Double.isNaN(x0)) {
return;
}
RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
double transX0 = domainAxis.valueToJava2D(x0, dataArea, xAxisLocation);
double transY0 = rangeAxis.valueToJava2D(y0, dataArea, yAxisLocation);
double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);
// only draw if we have good values
if (Double.isNaN(transX0) || Double.isNaN(transY0)
|| Double.isNaN(transX1) || Double.isNaN(transY1)) {
return;
}
PlotOrientation orientation = plot.getOrientation();
boolean visible;
if (orientation == PlotOrientation.HORIZONTAL) {
state.workingLine.setLine(transY0, transX0, transY1, transX1);
}
else if (orientation == PlotOrientation.VERTICAL) {
state.workingLine.setLine(transX0, transY0, transX1, transY1);
}
visible = LineUtils.clipLine(state.workingLine, dataArea);
if (visible) {
drawFirstPassShape(g2, pass, series, item, state.workingLine);
}
}
/**
* Draws the first pass shape.
*
* @param g2 the graphics device.
* @param pass the pass.
* @param series the series index.
* @param item the item index.
* @param shape the shape.
*/
protected void drawFirstPassShape(Graphics2D g2, int pass, int series,
int item, Shape shape) {
g2.setStroke(getItemStroke(series, item));
g2.setPaint(getItemPaint(series, item));
g2.draw(shape);
}
/**
* Draws the item (first pass). This method draws the lines
* connecting the items. Instead of drawing separate lines,
* a {@code GeneralPath} is constructed and drawn at the end of
* the series painting.
*
* @param g2 the graphics device.
* @param state the renderer state.
* @param plot the plot (can be used to obtain standard color information
* etc).
* @param dataset the dataset.
* @param pass the pass.
* @param series the series index (zero-based).
* @param item the item index (zero-based).
* @param domainAxis the domain axis.
* @param rangeAxis the range axis.
* @param dataArea the area within which the data is being drawn.
*/
protected void drawPrimaryLineAsPath(XYItemRendererState state,
Graphics2D g2, XYPlot plot, XYDataset dataset, int pass,
int series, int item, ValueAxis domainAxis, ValueAxis rangeAxis,
Rectangle2D dataArea) {
RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
// get the data point...
double x1 = dataset.getXValue(series, item);
double y1 = dataset.getYValue(series, item);
double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);
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;
PlotOrientation orientation = plot.getOrientation();
if (orientation == PlotOrientation.HORIZONTAL) {
x = (float) transY1;
y = (float) transX1;
}
if (s.isLastPointGood()) {
s.seriesPath.lineTo(x, y);
}
else {
s.seriesPath.moveTo(x, y);
}
s.setLastPointGood(true);
} else {
s.setLastPointGood(false);
}
// if this is the last item, draw the path ...
if (item == s.getLastItemIndex()) {
// draw path
drawFirstPassShape(g2, pass, series, item, s.seriesPath);
}
}
/**
* Draws the item shapes and adds chart entities (second pass). This method
* draws the shapes which mark the item positions. If {@code entities}
* is not {@code null} it will be populated with entity information
* for points that fall within the data area.
*
* @param g2 the graphics device.
* @param plot the plot (can be used to obtain standard color
* information etc).
* @param domainAxis the domain axis.
* @param dataArea the area within which the data is being drawn.
* @param rangeAxis the range axis.
* @param dataset the dataset.
* @param pass the pass.
* @param series the series index (zero-based).
* @param item the item index (zero-based).
* @param crosshairState the crosshair state.
* @param entities the entity collection.
*/
protected void drawSecondaryPass(Graphics2D g2, XYPlot plot,
XYDataset dataset, int pass, int series, int item,
ValueAxis domainAxis, Rectangle2D dataArea, ValueAxis rangeAxis,
CrosshairState crosshairState, EntityCollection entities) {
Shape entityArea = null;
// get the data point...
double x1 = dataset.getXValue(series, item);
double y1 = dataset.getYValue(series, item);
if (Double.isNaN(y1) || Double.isNaN(x1)) {
return;
}
PlotOrientation orientation = plot.getOrientation();
RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);
if (getItemShapeVisible(series, item)) {
Shape shape = getItemShape(series, item);
if (orientation == PlotOrientation.HORIZONTAL) {
shape = ShapeUtils.createTranslatedShape(shape, transY1,
transX1);
}
else if (orientation == PlotOrientation.VERTICAL) {
shape = ShapeUtils.createTranslatedShape(shape, transX1,
transY1);
}
entityArea = shape;
if (shape.intersects(dataArea)) {
if (getItemShapeFilled(series, item)) {
if (this.useFillPaint) {
g2.setPaint(getItemFillPaint(series, item));
}
else {
g2.setPaint(getItemPaint(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);
}
}
}
double xx = transX1;
double yy = transY1;
if (orientation == PlotOrientation.HORIZONTAL) {
xx = transY1;
yy = transX1;
}
// draw the item label if there is one...
if (isItemLabelVisible(series, item)) {
drawItemLabel(g2, orientation, dataset, series, item, xx, yy,
(y1 < 0.0));
}
int datasetIndex = plot.indexOf(dataset);
updateCrosshairValues(crosshairState, x1, y1, datasetIndex,
transX1, transY1, orientation);
// add an entity for the item, but only if it falls within the data
// area...
if (entities != null && ShapeUtils.isPointInRect(dataArea, xx, yy)) {
addEntity(entities, entityArea, dataset, series, item, xx, yy);
}
}
/**
* Returns a legend item for the specified series.
*
* @param datasetIndex the dataset index (zero-based).
* @param series the series index (zero-based).
*
* @return A legend item for the series (possibly {@code null}).
*/
@Override
public LegendItem getLegendItem(int datasetIndex, int series) {
XYPlot plot = getPlot();
if (plot == null) {
return null;
}
XYDataset dataset = plot.getDataset(datasetIndex);
if (dataset == null) {
return null;
}
if (!getItemVisible(series, 0)) {
return null;
}
String label = getLegendItemLabelGenerator().generateLabel(dataset,
series);
String description = label;
String toolTipText = null;
if (getLegendItemToolTipGenerator() != null) {
toolTipText = getLegendItemToolTipGenerator().generateLabel(
dataset, series);
}
String urlText = null;
if (getLegendItemURLGenerator() != null) {
urlText = getLegendItemURLGenerator().generateLabel(dataset,
series);
}
boolean shapeIsVisible = getItemShapeVisible(series, 0);
Shape shape = lookupLegendShape(series);
boolean shapeIsFilled = getItemShapeFilled(series, 0);
Paint fillPaint = (this.useFillPaint ? lookupSeriesFillPaint(series)
: lookupSeriesPaint(series));
boolean shapeOutlineVisible = this.drawOutlines;
Paint outlinePaint = (this.useOutlinePaint ? lookupSeriesOutlinePaint(
series) : lookupSeriesPaint(series));
Stroke outlineStroke = lookupSeriesOutlineStroke(series);
boolean lineVisible = getItemLineVisible(series, 0);
Stroke lineStroke = lookupSeriesStroke(series);
Paint linePaint = lookupSeriesPaint(series);
LegendItem result = new LegendItem(label, description, toolTipText,
urlText, shapeIsVisible, shape, shapeIsFilled, fillPaint,
shapeOutlineVisible, outlinePaint, outlineStroke, lineVisible,
this.legendLine, lineStroke, linePaint);
result.setLabelFont(lookupLegendTextFont(series));
Paint labelPaint = lookupLegendTextPaint(series);
if (labelPaint != null) {
result.setLabelPaint(labelPaint);
}
result.setSeriesKey(dataset.getSeriesKey(series));
result.setSeriesIndex(series);
result.setDataset(dataset);
result.setDatasetIndex(datasetIndex);
return result;
}
/**
* Returns a clone of the renderer.
*
* @return A clone.
*
* @throws CloneNotSupportedException if the clone cannot be created.
*/
@Override
public Object clone() throws CloneNotSupportedException {
XYLineAndShapeRenderer clone = (XYLineAndShapeRenderer) super.clone();
clone.seriesLinesVisibleMap = new HashMap<>(this.seriesLinesVisibleMap);
clone.legendLine = CloneUtils.clone(this.legendLine);
clone.seriesShapesVisibleMap = new HashMap<>(this.seriesShapesVisibleMap);
clone.seriesShapesFilledMap = new HashMap<>(this.seriesShapesFilledMap);
return clone;
}
/**
* Tests this renderer for equality with an arbitrary object.
*
* @param obj the object ({@code null} permitted).
*
* @return {@code true} or {@code false}.
*/
@Override
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (!(obj instanceof XYLineAndShapeRenderer)) {
return false;
}
if (!super.equals(obj)) {
return false;
}
XYLineAndShapeRenderer that = (XYLineAndShapeRenderer) obj;
if (!Objects.equals(this.seriesLinesVisibleMap, that.seriesLinesVisibleMap)) {
return false;
}
if (this.defaultLinesVisible != that.defaultLinesVisible) {
return false;
}
if (!ShapeUtils.equal(this.legendLine, that.legendLine)) {
return false;
}
if (!Objects.equals(this.seriesShapesVisibleMap, that.seriesShapesVisibleMap)) {
return false;
}
if (this.defaultShapesVisible != that.defaultShapesVisible) {
return false;
}
if (!Objects.equals(this.seriesShapesFilledMap, that.seriesShapesFilledMap)) {
return false;
}
if (this.defaultShapesFilled != that.defaultShapesFilled) {
return false;
}
if (this.drawOutlines != that.drawOutlines) {
return false;
}
if (this.useOutlinePaint != that.useOutlinePaint) {
return false;
}
if (this.useFillPaint != that.useFillPaint) {
return false;
}
if (this.drawSeriesLineAsPath != that.drawSeriesLineAsPath) {
return false;
}
return true;
}
@Override
public int hashCode() {
int result = super.hashCode();
result = 31 * result + seriesLinesVisibleMap.hashCode();
result = 31 * result + (defaultLinesVisible ? 1 : 0);
result = 31 * result + seriesShapesVisibleMap.hashCode();
result = 31 * result + (defaultShapesVisible ? 1 : 0);
result = 31 * result + seriesShapesFilledMap.hashCode();
result = 31 * result + (defaultShapesFilled ? 1 : 0);
result = 31 * result + (drawOutlines ? 1 : 0);
result = 31 * result + (useFillPaint ? 1 : 0);
result = 31 * result + (useOutlinePaint ? 1 : 0);
result = 31 * result + (drawSeriesLineAsPath ? 1 : 0);
return result;
}
/**
* Provides serialization support.
*
* @param stream the input stream.
*
* @throws IOException if there is an I/O error.
* @throws ClassNotFoundException if there is a classpath problem.
*/
private void readObject(ObjectInputStream stream)
throws IOException, ClassNotFoundException {
stream.defaultReadObject();
this.legendLine = SerialUtils.readShape(stream);
}
/**
* Provides serialization support.
*
* @param stream the output stream.
*
* @throws IOException if there is an I/O error.
*/
private void writeObject(ObjectOutputStream stream) throws IOException {
stream.defaultWriteObject();
SerialUtils.writeShape(this.legendLine, stream);
}
}