/* =========================================================== * JFreeChart : a free chart library for the Java(tm) platform * =========================================================== * * (C) Copyright 2000-2012, by Object Refinery Limited 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.] * * ------------------- * XYItemRenderer.java * ------------------- * (C) Copyright 2001-2012, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): Mark Watson (www.markwatson.com); * Sylvain Vieujot; * Focus Computer Services Limited; * Richard Atkinson; * * Changes: * For history prior to the release of JFreeChart 1.0.0 in December 2005, * please refer to the source files in the JFreeChart 1.0.x release. * * ------------- JFREECHART 1.0.x --------------------------------------------- * 19-Apr-2007 : Deprecated seriesVisible and seriesVisibleInLegend flags (DG); * 20-Apr-2007 : Deprecated paint, fillPaint, outlinePaint, stroke, * outlineStroke, shape, itemLabelsVisible, itemLabelFont, * itemLabelPaint, positiveItemLabelPosition, * negativeItemLabelPosition and createEntities override * fields (DG); * 17-Jun-2012 : Removed JCommon dependencies (DG); * * ------------- JFREECHART Future State Edition (1.2.0?) --------------------- * < under development > * */ package org.jfree.chart.renderer.xy; import java.awt.Graphics2D; import java.awt.Paint; import java.awt.Stroke; import java.awt.geom.Rectangle2D; import java.util.Collection; import org.jfree.chart.annotations.XYAnnotation; import org.jfree.chart.axis.ValueAxis; import org.jfree.chart.ui.Layer; import org.jfree.chart.event.RendererChangeEvent; import org.jfree.chart.labels.XYItemLabelGenerator; import org.jfree.chart.labels.XYSeriesLabelGenerator; import org.jfree.chart.labels.XYToolTipGenerator; import org.jfree.chart.plot.CrosshairState; import org.jfree.chart.plot.Marker; import org.jfree.chart.plot.PlotRenderingInfo; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.Renderer; import org.jfree.chart.urls.XYURLGenerator; import org.jfree.data.Range; import org.jfree.data.xy.XYDataset; /** * Interface for rendering the visual representation of a single (x, y) item on * an {@link XYPlot}. * <p> * To support cloning charts, it is recommended that renderers implement both * the {@link Cloneable} and <code>PublicCloneable</code> interfaces. */ public interface XYItemRenderer extends Renderer { /** * Returns the plot that this renderer has been assigned to. * * @return The plot. */ public XYPlot getPlot(); /** * Sets the plot that this renderer is assigned to. This method will be * called by the plot class...you do not need to call it yourself. * * @param plot the plot. */ public void setPlot(XYPlot plot); /** * Returns the lower and upper bounds (range) of the x-values in the * specified dataset. * * @param dataset the dataset (<code>null</code> permitted). * * @return The range. */ public Range findDomainBounds(XYDataset dataset); /** * Returns the lower and upper bounds (range) of the y-values in the * specified dataset. The implementation of this method will take * into account the presentation used by the renderers (for example, * a renderer that "stacks" values will return a bigger range than * a renderer that doesn't). * * @param dataset the dataset (<code>null</code> permitted). * * @return The range (or <code>null</code> if the dataset is * <code>null</code> or empty). */ public Range findRangeBounds(XYDataset dataset); //// LEGEND ITEM LABEL GENERATOR ////////////////////////////////////////// /** * Returns the legend item label generator. * * @return The legend item label generator (never <code>null</code>). * * @see #setLegendItemLabelGenerator(XYSeriesLabelGenerator) */ public XYSeriesLabelGenerator getLegendItemLabelGenerator(); /** * Sets the legend item label generator and sends a * {@link RendererChangeEvent} to all registered listeners. * * @param generator the generator (<code>null</code> not permitted). */ public void setLegendItemLabelGenerator(XYSeriesLabelGenerator generator); public void setLegendItemLabelGenerator(XYSeriesLabelGenerator generator, boolean notify); //// TOOL TIP GENERATOR /////////////////////////////////////////////////// /** * Returns the tool tip generator for a data item. * * @param row the row index (zero based). * @param column the column index (zero based). * * @return The generator (possibly <code>null</code>). */ public XYToolTipGenerator getToolTipGenerator(int row, int column); /** * Returns the tool tip generator for a series. * * @param series the series index (zero based). * * @return The generator (possibly <code>null</code>). * * @see #setSeriesToolTipGenerator(int, XYToolTipGenerator) */ public XYToolTipGenerator getSeriesToolTipGenerator(int series); /** * Sets the tool tip generator for a series and sends a * {@link RendererChangeEvent} to all registered listeners. * * @param series the series index (zero based). * @param generator the generator (<code>null</code> permitted). * * @see #getSeriesToolTipGenerator(int) */ public void setSeriesToolTipGenerator(int series, XYToolTipGenerator generator); public void setSeriesToolTipGenerator(int series, XYToolTipGenerator generator, boolean notify); /** * Returns the default tool tip generator. * * @return The generator (possibly <code>null</code>). * * @see #setDefaultToolTipGenerator(XYToolTipGenerator) */ public XYToolTipGenerator getDefaultToolTipGenerator(); /** * Sets the default tool tip generator and sends a {@link RendererChangeEvent} * to all registered listeners. * * @param generator the generator (<code>null</code> permitted). * * @see #getDefaultToolTipGenerator() */ public void setDefaultToolTipGenerator(XYToolTipGenerator generator); public void setDefaultToolTipGenerator(XYToolTipGenerator generator, boolean notify); //// ITEM LABEL GENERATOR ///////////////////////////////////////////////// /** * Returns the item label generator for a data item. * * @param row the row index (zero based). * @param column the column index (zero based). * * @return The generator (possibly <code>null</code>). */ public XYItemLabelGenerator getItemLabelGenerator(int row, int column); /** * Returns the item label generator for a series. * * @param series the series index (zero based). * * @return The generator (possibly <code>null</code>). * * @see #setSeriesItemLabelGenerator(int, XYItemLabelGenerator) */ public XYItemLabelGenerator getSeriesItemLabelGenerator(int series); /** * Sets the item label generator for a series and sends a * {@link RendererChangeEvent} to all registered listeners. * * @param series the series index (zero based). * @param generator the generator (<code>null</code> permitted). * * @see #getSeriesItemLabelGenerator(int) */ public void setSeriesItemLabelGenerator(int series, XYItemLabelGenerator generator); public void setSeriesItemLabelGenerator(int series, XYItemLabelGenerator generator, boolean notify); /** * Returns the default item label generator. * * @return The generator (possibly <code>null</code>). * * @see #setDefaultItemLabelGenerator(XYItemLabelGenerator) */ public XYItemLabelGenerator getDefaultItemLabelGenerator(); /** * Sets the default item label generator and sends a * {@link RendererChangeEvent} to all registered listeners. * * @param generator the generator (<code>null</code> permitted). * * @see #getDefaultItemLabelGenerator() */ public void setDefaultItemLabelGenerator(XYItemLabelGenerator generator); public void setDefaultItemLabelGenerator(XYItemLabelGenerator generator, boolean notify); //// URL GENERATOR //////////////////////////////////////////////////////// /** * Returns the URL generator for HTML image maps. * * @return The URL generator (possibly null). */ public XYURLGenerator getURLGenerator(); /** * Sets the URL generator for HTML image maps. * * @param urlGenerator the URL generator (null permitted). */ public void setURLGenerator(XYURLGenerator urlGenerator); public void setURLGenerator(XYURLGenerator urlGenerator, boolean notify); // FIXME: series level //// ANNOTATIONS ////////////////////////////////////////////////////////// /** * Adds an annotation and sends a {@link RendererChangeEvent} to all * registered listeners. The annotation is added to the foreground * layer. * * @param annotation the annotation (<code>null</code> not permitted). */ public void addAnnotation(XYAnnotation annotation); /** * Adds an annotation to the specified layer. * * @param annotation the annotation (<code>null</code> not permitted). * @param layer the layer (<code>null</code> not permitted). */ public void addAnnotation(XYAnnotation annotation, Layer layer); /** * Removes the specified annotation and sends a {@link RendererChangeEvent} * to all registered listeners. * * @param annotation the annotation to remove (<code>null</code> not * permitted). * * @return A boolean to indicate whether or not the annotation was * successfully removed. */ public boolean removeAnnotation(XYAnnotation annotation); /** * Removes all annotations and sends a {@link RendererChangeEvent} * to all registered listeners. */ public void removeAnnotations(); /** * Returns a collection of the annotations that are assigned to the * renderer. * * @return A collection of annotations (possibly empty but never * <code>null</code>). */ public Collection<XYAnnotation> getAnnotations(); /** * Draws all the annotations for the specified layer. * * @param g2 the graphics device. * @param dataArea the data area. * @param domainAxis the domain axis. * @param rangeAxis the range axis. * @param layer the layer. * @param info the plot rendering info. */ public void drawAnnotations(Graphics2D g2, Rectangle2D dataArea, ValueAxis domainAxis, ValueAxis rangeAxis, Layer layer, PlotRenderingInfo info); //// DRAWING ////////////////////////////////////////////////////////////// /** * Initialises the renderer then returns the number of 'passes' through the * data that the renderer will require (usually just one). 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 dataset the dataset. * @param info an optional info collection object to return data back to * the caller. * * @return The number of passes the renderer requires. */ public XYItemRendererState initialise(Graphics2D g2, Rectangle2D dataArea, XYPlot plot, XYDataset dataset, PlotRenderingInfo info); /** * Called for each item to be plotted. * <p> * The {@link XYPlot} can make multiple passes through the dataset, * depending on the value returned by the renderer's initialise() method. * * @param g2 the graphics device. * @param state the renderer state. * @param dataArea the area within which the data is being rendered. * @param info collects drawing info. * @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); /** * Fills a band between two values on the axis. This can be used to color * bands between the grid lines. * * @param g2 the graphics device. * @param plot the plot. * @param axis the domain axis. * @param dataArea the data area. * @param start the start value. * @param end the end value. */ public void fillDomainGridBand(Graphics2D g2, XYPlot plot, ValueAxis axis, Rectangle2D dataArea, double start, double end); /** * Fills a band between two values on the range axis. This can be used to * color bands between the grid lines. * * @param g2 the graphics device. * @param plot the plot. * @param axis the range axis. * @param dataArea the data area. * @param start the start value. * @param end the end value. */ public void fillRangeGridBand(Graphics2D g2, XYPlot plot, ValueAxis axis, Rectangle2D dataArea, double start, double end); /** * Draws a grid line against the domain axis. * * @param g2 the graphics device. * @param plot the plot. * @param axis the value axis. * @param dataArea the area for plotting data (not yet adjusted for any * 3D effect). * @param value the value. */ public void drawDomainGridline(Graphics2D g2, XYPlot plot, ValueAxis axis, Rectangle2D dataArea, double value); /** * Draws a line perpendicular to the range axis. * * @param g2 the graphics device. * @param plot the plot. * @param axis the value axis. * @param dataArea the area for plotting data. * @param value the data value. * @param paint the paint (<code>null</code> not permitted). * @param stroke the stroke (<code>null</code> not permitted). */ public void drawRangeGridline(Graphics2D g2, XYPlot plot, ValueAxis axis, Rectangle2D dataArea, double value, Paint paint, Stroke stroke); /** * Draws the specified <code>marker</code> against the domain axis. * * @param g2 the graphics device. * @param plot the plot. * @param axis the value axis. * @param marker the marker. * @param dataArea the axis data area. */ public void drawDomainMarker(Graphics2D g2, XYPlot plot, ValueAxis axis, Marker marker, Rectangle2D dataArea); /** * Draws a horizontal line across the chart to represent a 'range marker'. * * @param g2 the graphics device. * @param plot the plot. * @param axis the value axis. * @param marker the marker line. * @param dataArea the axis data area. */ public void drawRangeMarker(Graphics2D g2, XYPlot plot, ValueAxis axis, Marker marker, Rectangle2D dataArea); }