Package org.jfree.chart.renderer.category

Class LineAndShapeRenderer

java.lang.Object

org.jfree.chart.renderer.AbstractRenderer

org.jfree.chart.renderer.category.AbstractCategoryItemRenderer

org.jfree.chart.renderer.category.LineAndShapeRenderer

All Implemented Interfaces:

Serializable, Cloneable, LegendItemSource, CategoryItemRenderer, PublicCloneable

Direct Known Subclasses:

DefaultCategoryItemRenderer, StatisticalLineAndShapeRenderer

public class LineAndShapeRenderer
extends AbstractCategoryItemRenderer
implements Cloneable, PublicCloneable, Serializable

A renderer that draws shapes for each data item, and lines between data items (for use with the CategoryPlot class). The example shown here is generated by the LineChartDemo1.java program included in the JFreeChart Demo Collection:

See Also:

• Serialized Form

Field Summary

Fields inherited from class org.jfree.chart.renderer.AbstractRenderer

DEFAULT_ITEM_LABEL_INSETS, DEFAULT_OUTLINE_PAINT, DEFAULT_OUTLINE_STROKE, DEFAULT_PAINT, DEFAULT_SHAPE, DEFAULT_STROKE, DEFAULT_VALUE_LABEL_FONT, DEFAULT_VALUE_LABEL_PAINT, ZERO

Constructor Summary

Constructors

Constructor	Description
LineAndShapeRenderer()	Creates a renderer with both lines and shapes visible by default.
LineAndShapeRenderer(boolean lines, boolean shapes)	Creates a new renderer with lines and/or shapes visible.

Method Summary

Modifier and Type	Method	Description
Object	clone()	Returns an independent copy of the renderer.
void	drawItem(Graphics2D g2, CategoryItemRendererState state, Rectangle2D dataArea, CategoryPlot plot, CategoryAxis domainAxis, ValueAxis rangeAxis, CategoryDataset dataset, int row, int column, int pass)	Draw a single data item.
boolean	equals(Object obj)	Tests this renderer for equality with an arbitrary object.
boolean	getDefaultLinesVisible()	Returns the default 'lines visible' attribute.
boolean	getDefaultShapesFilled()	Returns the default 'shape filled' attribute.
boolean	getDefaultShapesVisible()	Returns the default 'shape visible' attribute.
boolean	getDrawOutlines()	Returns true if outlines should be drawn for shapes, and false otherwise.
boolean	getItemLineVisible(int series, int item)	Returns the flag used to control whether or not the line for an item is visible.
double	getItemMargin()	Returns the item margin, which is the gap between items within a category (expressed as a percentage of the overall category width).
boolean	getItemShapeFilled(int series, int item)	Returns the flag used to control whether or not the shape for an item is filled.
boolean	getItemShapeVisible(int series, int item)	Returns the flag used to control whether or not the shape for an item is visible.
LegendItem	getLegendItem(int datasetIndex, int series)	Returns a legend item for a series.
int	getPassCount()	This renderer uses two passes to draw the data.
Boolean	getSeriesLinesVisible(int series)	Returns the flag used to control whether or not the lines for a series are visible.
boolean	getSeriesShapesFilled(int series)	Returns the flag used to control whether or not the shapes for a series are filled.
Boolean	getSeriesShapesVisible(int series)	Returns the flag used to control whether or not the shapes for a series are visible.
boolean	getUseFillPaint()	Returns true if the renderer should use the fill paint setting to fill shapes, and false if it should just use the regular paint.
boolean	getUseOutlinePaint()	Returns the flag that controls whether the outline paint is used for shape outlines.
boolean	getUseSeriesOffset()	Returns the flag that controls whether or not the x-position for each data item is offset within the category according to the series.
void	setDefaultLinesVisible(boolean flag)	Sets the default 'lines visible' flag and sends a RendererChangeEvent to all registered listeners.
void	setDefaultShapesFilled(boolean flag)	Sets the default 'shapes filled' flag and sends a RendererChangeEvent to all registered listeners.
void	setDefaultShapesVisible(boolean flag)	Sets the default 'shapes visible' flag and sends a RendererChangeEvent to all registered listeners.
void	setDrawOutlines(boolean flag)	Sets the flag that controls whether outlines are drawn for shapes, and sends a RendererChangeEvent to all registered listeners.
void	setItemMargin(double margin)	Sets the item margin, which is the gap between items within a category (expressed as a percentage of the overall category width), and sends a RendererChangeEvent to all registered listeners.
void	setSeriesLinesVisible(int series, boolean visible)	Sets the 'lines visible' flag for a series and sends a RendererChangeEvent to all registered listeners.
void	setSeriesLinesVisible(int series, Boolean flag)	Sets the 'lines visible' flag for a series and sends a RendererChangeEvent to all registered listeners.
void	setSeriesShapesFilled(int series, boolean filled)	Sets the 'shapes filled' flag for a series and sends a RendererChangeEvent to all registered listeners.
void	setSeriesShapesFilled(int series, Boolean filled)	Sets the 'shapes filled' flag for a series and sends a RendererChangeEvent to all registered listeners.
void	setSeriesShapesVisible(int series, boolean visible)	Sets the 'shapes visible' flag for a series and sends a RendererChangeEvent to all registered listeners.
void	setSeriesShapesVisible(int series, Boolean flag)	Sets the 'shapes visible' flag for a series and sends a RendererChangeEvent to all registered listeners.
void	setUseFillPaint(boolean flag)	Sets the flag that controls whether the fill paint is used to fill shapes, and sends a RendererChangeEvent to all registered listeners.
void	setUseOutlinePaint(boolean use)	Sets the flag that controls whether the outline paint is used for shape outlines, and sends a RendererChangeEvent to all registered listeners.
void	setUseSeriesOffset(boolean offset)	Sets the flag that controls whether or not the x-position for each data item is offset within its category according to the series, and sends a RendererChangeEvent to all registered listeners.

Methods inherited from class org.jfree.chart.renderer.category.AbstractCategoryItemRenderer

addEntity, addItemEntity, beginElementGroup, calculateDomainMarkerTextAnchorPoint, calculateRangeMarkerTextAnchorPoint, createState, drawBackground, drawDomainGridline, drawDomainMarker, drawItemLabel, drawOutline, drawRangeLine, drawRangeMarker, findRangeBounds, findRangeBounds, getColumnCount, getDefaultItemLabelGenerator, getDefaultItemURLGenerator, getDefaultToolTipGenerator, getDomainAxis, getDrawingSupplier, getItemLabelGenerator, getItemMiddle, getItemURLGenerator, getLegendItemLabelGenerator, getLegendItems, getLegendItemToolTipGenerator, getLegendItemURLGenerator, getPlot, getRangeAxis, getRowCount, getSeriesItemLabelGenerator, getSeriesItemURLGenerator, getSeriesToolTipGenerator, getToolTipGenerator, hashCode, initialise, setDefaultItemLabelGenerator, setDefaultItemLabelGenerator, setDefaultItemURLGenerator, setDefaultItemURLGenerator, setDefaultToolTipGenerator, setDefaultToolTipGenerator, setLegendItemLabelGenerator, setLegendItemToolTipGenerator, setLegendItemURLGenerator, setPlot, setSeriesItemLabelGenerator, setSeriesItemLabelGenerator, setSeriesItemURLGenerator, setSeriesItemURLGenerator, setSeriesToolTipGenerator, setSeriesToolTipGenerator, updateCrosshairValues

Methods inherited from class org.jfree.chart.renderer.AbstractRenderer

addChangeListener, beginElementGroup, calculateLabelAnchorPoint, clearSeriesPaints, clearSeriesStrokes, endElementGroup, fireChangeEvent, getAutoPopulateSeriesFillPaint, getAutoPopulateSeriesOutlinePaint, getAutoPopulateSeriesOutlineStroke, getAutoPopulateSeriesPaint, getAutoPopulateSeriesShape, getAutoPopulateSeriesStroke, getDataBoundsIncludesVisibleSeriesOnly, getDefaultCreateEntities, getDefaultEntityRadius, getDefaultFillPaint, getDefaultItemLabelFont, getDefaultItemLabelPaint, getDefaultItemLabelsVisible, getDefaultLegendShape, getDefaultLegendTextFont, getDefaultLegendTextPaint, getDefaultNegativeItemLabelPosition, getDefaultOutlinePaint, getDefaultOutlineStroke, getDefaultPaint, getDefaultPositiveItemLabelPosition, getDefaultSeriesVisible, getDefaultSeriesVisibleInLegend, getDefaultShape, getDefaultStroke, getItemCreateEntity, getItemFillPaint, getItemLabelAnchorOffset, getItemLabelFont, getItemLabelInsets, getItemLabelPaint, getItemOutlinePaint, getItemOutlineStroke, getItemPaint, getItemShape, getItemStroke, getItemVisible, getLegendShape, getLegendTextFont, getLegendTextPaint, getNegativeItemLabelPosition, getPositiveItemLabelPosition, getSeriesCreateEntities, getSeriesFillPaint, getSeriesItemLabelFont, getSeriesItemLabelPaint, getSeriesNegativeItemLabelPosition, getSeriesOutlinePaint, getSeriesOutlineStroke, getSeriesPaint, getSeriesPositiveItemLabelPosition, getSeriesShape, getSeriesStroke, getSeriesVisible, getSeriesVisibleInLegend, getTreatLegendShapeAsLine, hasListener, isComputeItemLabelContrastColor, isItemLabelVisible, isSeriesItemLabelsVisible, isSeriesVisible, isSeriesVisibleInLegend, lookupLegendShape, lookupLegendTextFont, lookupLegendTextPaint, lookupSeriesFillPaint, lookupSeriesOutlinePaint, lookupSeriesOutlineStroke, lookupSeriesPaint, lookupSeriesShape, lookupSeriesStroke, notifyListeners, removeChangeListener, setAutoPopulateSeriesFillPaint, setAutoPopulateSeriesOutlinePaint, setAutoPopulateSeriesOutlineStroke, setAutoPopulateSeriesPaint, setAutoPopulateSeriesShape, setAutoPopulateSeriesStroke, setComputeItemLabelContrastColor, setDataBoundsIncludesVisibleSeriesOnly, setDefaultCreateEntities, setDefaultCreateEntities, setDefaultEntityRadius, setDefaultFillPaint, setDefaultFillPaint, setDefaultItemLabelFont, setDefaultItemLabelFont, setDefaultItemLabelPaint, setDefaultItemLabelPaint, setDefaultItemLabelsVisible, setDefaultItemLabelsVisible, setDefaultLegendShape, setDefaultLegendTextFont, setDefaultLegendTextPaint, setDefaultNegativeItemLabelPosition, setDefaultNegativeItemLabelPosition, setDefaultOutlinePaint, setDefaultOutlinePaint, setDefaultOutlineStroke, setDefaultOutlineStroke, setDefaultPaint, setDefaultPaint, setDefaultPositiveItemLabelPosition, setDefaultPositiveItemLabelPosition, setDefaultSeriesVisible, setDefaultSeriesVisible, setDefaultSeriesVisibleInLegend, setDefaultSeriesVisibleInLegend, setDefaultShape, setDefaultShape, setDefaultStroke, setDefaultStroke, setItemLabelAnchorOffset, setItemLabelInsets, setLegendShape, setLegendTextFont, setLegendTextPaint, setSeriesCreateEntities, setSeriesCreateEntities, setSeriesFillPaint, setSeriesFillPaint, setSeriesItemLabelFont, setSeriesItemLabelFont, setSeriesItemLabelPaint, setSeriesItemLabelPaint, setSeriesItemLabelsVisible, setSeriesItemLabelsVisible, setSeriesItemLabelsVisible, setSeriesNegativeItemLabelPosition, setSeriesNegativeItemLabelPosition, setSeriesOutlinePaint, setSeriesOutlinePaint, setSeriesOutlineStroke, setSeriesOutlineStroke, setSeriesPaint, setSeriesPaint, setSeriesPositiveItemLabelPosition, setSeriesPositiveItemLabelPosition, setSeriesShape, setSeriesShape, setSeriesStroke, setSeriesStroke, setSeriesVisible, setSeriesVisible, setSeriesVisibleInLegend, setSeriesVisibleInLegend, setTreatLegendShapeAsLine

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.jfree.chart.renderer.category.CategoryItemRenderer

addChangeListener, getDefaultCreateEntities, getDefaultFillPaint, getDefaultItemLabelFont, getDefaultItemLabelPaint, getDefaultItemLabelsVisible, getDefaultNegativeItemLabelPosition, getDefaultOutlinePaint, getDefaultOutlineStroke, getDefaultPaint, getDefaultPositiveItemLabelPosition, getDefaultSeriesVisible, getDefaultSeriesVisibleInLegend, getDefaultShape, getDefaultStroke, getItemCreateEntity, getItemFillPaint, getItemLabelFont, getItemLabelPaint, getItemOutlinePaint, getItemOutlineStroke, getItemPaint, getItemShape, getItemStroke, getItemVisible, getNegativeItemLabelPosition, getPositiveItemLabelPosition, getSeriesCreateEntities, getSeriesFillPaint, getSeriesItemLabelFont, getSeriesItemLabelPaint, getSeriesNegativeItemLabelPosition, getSeriesOutlinePaint, getSeriesOutlineStroke, getSeriesPaint, getSeriesPositiveItemLabelPosition, getSeriesShape, getSeriesStroke, getSeriesVisible, getSeriesVisibleInLegend, isItemLabelVisible, isSeriesItemLabelsVisible, isSeriesVisible, isSeriesVisibleInLegend, removeChangeListener, setDefaultCreateEntities, setDefaultCreateEntities, setDefaultFillPaint, setDefaultItemLabelFont, setDefaultItemLabelFont, setDefaultItemLabelPaint, setDefaultItemLabelPaint, setDefaultItemLabelsVisible, setDefaultItemLabelsVisible, setDefaultNegativeItemLabelPosition, setDefaultNegativeItemLabelPosition, setDefaultOutlinePaint, setDefaultOutlinePaint, setDefaultOutlineStroke, setDefaultOutlineStroke, setDefaultPaint, setDefaultPaint, setDefaultPositiveItemLabelPosition, setDefaultPositiveItemLabelPosition, setDefaultSeriesVisible, setDefaultSeriesVisible, setDefaultSeriesVisibleInLegend, setDefaultSeriesVisibleInLegend, setDefaultShape, setDefaultShape, setDefaultStroke, setDefaultStroke, setSeriesCreateEntities, setSeriesCreateEntities, setSeriesFillPaint, setSeriesItemLabelFont, setSeriesItemLabelFont, setSeriesItemLabelPaint, setSeriesItemLabelPaint, setSeriesItemLabelsVisible, setSeriesItemLabelsVisible, setSeriesItemLabelsVisible, setSeriesNegativeItemLabelPosition, setSeriesNegativeItemLabelPosition, setSeriesOutlinePaint, setSeriesOutlinePaint, setSeriesOutlineStroke, setSeriesOutlineStroke, setSeriesPaint, setSeriesPaint, setSeriesPositiveItemLabelPosition, setSeriesPositiveItemLabelPosition, setSeriesShape, setSeriesShape, setSeriesStroke, setSeriesStroke, setSeriesVisible, setSeriesVisible, setSeriesVisibleInLegend, setSeriesVisibleInLegend

Constructor Details

LineAndShapeRenderer

public LineAndShapeRenderer()

Creates a renderer with both lines and shapes visible by default.

LineAndShapeRenderer

public LineAndShapeRenderer(boolean lines,
 boolean shapes)

Creates a new renderer with lines and/or shapes visible.

Parameters:

lines - draw lines?

shapes - draw shapes?

Method Details

getItemLineVisible

public boolean getItemLineVisible(int series,
 int item)

Returns the flag used to control whether or not the line for an item is visible.

Parameters:

series - the series index (zero-based).

item - the item index (zero-based).

Returns:

A boolean.

getSeriesLinesVisible

public Boolean getSeriesLinesVisible(int series)

Returns the flag used to control whether or not the lines for a series are visible.

Parameters:

series - the series index (zero-based).

Returns:

The flag (possibly null).

See Also:

• setSeriesLinesVisible(int, Boolean)

setSeriesLinesVisible

public void setSeriesLinesVisible(int series,
 Boolean flag)

Sets the 'lines visible' flag for a series and sends a RendererChangeEvent to all registered listeners.

Parameters:

series - the series index (zero-based).

flag - the flag (null permitted).

See Also:

• getSeriesLinesVisible(int)

setSeriesLinesVisible

public void setSeriesLinesVisible(int series,
 boolean visible)

Sets the 'lines visible' flag for a series and sends a RendererChangeEvent to all registered listeners.

Parameters:

series - the series index (zero-based).

visible - the flag.

See Also:

• getSeriesLinesVisible(int)

getDefaultLinesVisible

public boolean getDefaultLinesVisible()

Returns the default 'lines visible' attribute.

Returns:

The default flag.

See Also:

• getDefaultLinesVisible()

setDefaultLinesVisible

public void setDefaultLinesVisible(boolean flag)

Sets the default 'lines visible' flag and sends a RendererChangeEvent to all registered listeners.

Parameters:

flag - the flag.

See Also:

• getDefaultLinesVisible()

getItemShapeVisible

public boolean getItemShapeVisible(int series,
 int item)

Returns the flag used to control whether or not the shape for an item is visible.

Parameters:

series - the series index (zero-based).

item - the item index (zero-based).

Returns:

A boolean.

getSeriesShapesVisible

public Boolean getSeriesShapesVisible(int series)

Returns the flag used to control whether or not the shapes for a series are visible.

Parameters:

series - the series index (zero-based).

Returns:

A boolean.

See Also:

• setSeriesShapesVisible(int, Boolean)

setSeriesShapesVisible

public void setSeriesShapesVisible(int series,
 boolean visible)

Sets the 'shapes visible' flag for a series and sends a RendererChangeEvent to all registered listeners.

Parameters:

series - the series index (zero-based).

visible - the flag.

See Also:

• getSeriesShapesVisible(int)

setSeriesShapesVisible

public void setSeriesShapesVisible(int series,
 Boolean flag)

Sets the 'shapes visible' flag for a series and sends a RendererChangeEvent to all registered listeners.

Parameters:

series - the series index (zero-based).

flag - the flag.

See Also:

• getSeriesShapesVisible(int)

getDefaultShapesVisible

public boolean getDefaultShapesVisible()

Returns the default 'shape visible' attribute.

Returns:

The base flag.

See Also:

• setDefaultShapesVisible(boolean)

setDefaultShapesVisible

public void setDefaultShapesVisible(boolean flag)

Sets the default 'shapes visible' flag and sends a RendererChangeEvent to all registered listeners.

Parameters:

flag - the flag.

See Also:

• getDefaultShapesVisible()

getDrawOutlines

public boolean getDrawOutlines()

Returns true if outlines should be drawn for shapes, and false otherwise.

Returns:

A boolean.

See Also:

• setDrawOutlines(boolean)

setDrawOutlines

public void setDrawOutlines(boolean flag)

Sets the flag that controls whether outlines are drawn for shapes, and sends a RendererChangeEvent to all registered listeners.

In some cases, shapes look better if they do NOT have an outline, but this flag allows you to set your own preference.

Parameters:

flag - the flag.

See Also:

• getDrawOutlines()

getUseOutlinePaint

public boolean getUseOutlinePaint()

Returns the flag that controls whether the outline paint is used for shape outlines. If not, the regular series paint is used.

Returns:

A boolean.

See Also:

• setUseOutlinePaint(boolean)

setUseOutlinePaint

public void setUseOutlinePaint(boolean use)

Sets the flag that controls whether the outline paint is used for shape outlines, and sends a RendererChangeEvent to all registered listeners.

Parameters:

use - the flag.

See Also:

• getUseOutlinePaint()

getItemShapeFilled

public boolean getItemShapeFilled(int series,
 int item)

Returns the flag used to control whether or not the shape for an item is filled. The default implementation passes control to the getSeriesShapesFilled method. You can override this method if you require different behaviour.

Parameters:

series - the series index (zero-based).

item - the item index (zero-based).

Returns:

A boolean.

getSeriesShapesFilled

public boolean getSeriesShapesFilled(int series)

Returns the flag used to control whether or not the shapes for a series are filled.

Parameters:

series - the series index (zero-based).

Returns:

A boolean.

setSeriesShapesFilled

public void setSeriesShapesFilled(int series,
 Boolean filled)

Sets the 'shapes filled' flag for a series and sends a RendererChangeEvent to all registered listeners.

Parameters:

series - the series index (zero-based).

filled - the flag.

See Also:

• getSeriesShapesFilled(int)

setSeriesShapesFilled

public void setSeriesShapesFilled(int series,
 boolean filled)

Sets the 'shapes filled' flag for a series and sends a RendererChangeEvent to all registered listeners.

Parameters:

series - the series index (zero-based).

filled - the flag.

See Also:

• getSeriesShapesFilled(int)

getDefaultShapesFilled

public boolean getDefaultShapesFilled()

Returns the default 'shape filled' attribute.

Returns:

The base flag.

See Also:

• setDefaultShapesFilled(boolean)

setDefaultShapesFilled

public void setDefaultShapesFilled(boolean flag)

Sets the default 'shapes filled' flag and sends a RendererChangeEvent to all registered listeners.

Parameters:

flag - the flag.

See Also:

• getDefaultShapesFilled()

getUseFillPaint

public boolean getUseFillPaint()

Returns true if the renderer should use the fill paint setting to fill shapes, and false if it should just use the regular paint.

Returns:

A boolean.

See Also:

• setUseFillPaint(boolean)

setUseFillPaint

public void setUseFillPaint(boolean flag)

Sets the flag that controls whether the fill paint is used to fill shapes, and sends a RendererChangeEvent to all registered listeners.

Parameters:

flag - the flag.

See Also:

• getUseFillPaint()

getUseSeriesOffset

public boolean getUseSeriesOffset()

Returns the flag that controls whether or not the x-position for each data item is offset within the category according to the series.

Returns:

A boolean.

See Also:

• setUseSeriesOffset(boolean)

setUseSeriesOffset

public void setUseSeriesOffset(boolean offset)

Sets the flag that controls whether or not the x-position for each data item is offset within its category according to the series, and sends a RendererChangeEvent to all registered listeners.

Parameters:

offset - the offset.

See Also:

• getUseSeriesOffset()

getItemMargin

public double getItemMargin()

Returns the item margin, which is the gap between items within a category (expressed as a percentage of the overall category width). This can be used to match the offset alignment with the bars drawn by a BarRenderer).

Returns:

The item margin.

See Also:

• setItemMargin(double)
• getUseSeriesOffset()

setItemMargin

public void setItemMargin(double margin)

Sets the item margin, which is the gap between items within a category (expressed as a percentage of the overall category width), and sends a RendererChangeEvent to all registered listeners.

Parameters:

margin - the margin (0.0 <= margin < 1.0).

See Also:

• getItemMargin()
• getUseSeriesOffset()

getLegendItem

public LegendItem getLegendItem(int datasetIndex,
 int series)

Returns a legend item for a series.

Specified by:

getLegendItem in interface CategoryItemRenderer

Overrides:

getLegendItem in class AbstractCategoryItemRenderer

Parameters:

datasetIndex - the dataset index (zero-based).

series - the series index (zero-based).

Returns:

The legend item.

See Also:

• AbstractCategoryItemRenderer.getLegendItems()

getPassCount

public int getPassCount()

This renderer uses two passes to draw the data.

Specified by:

getPassCount in interface CategoryItemRenderer

Overrides:

getPassCount in class AbstractCategoryItemRenderer

Returns:

The pass count (2 for this renderer).

drawItem

public void drawItem(Graphics2D g2,
 CategoryItemRendererState state,
 Rectangle2D dataArea,
 CategoryPlot plot,
 CategoryAxis domainAxis,
 ValueAxis rangeAxis,
 CategoryDataset dataset,
 int row,
 int column,
 int pass)

Draw a single data item.

Specified by:

drawItem in interface CategoryItemRenderer

Parameters:

g2 - the graphics device.

state - the renderer state.

dataArea - the area in which the data is drawn.

plot - the plot.

domainAxis - the domain axis.

rangeAxis - the range axis.

dataset - the dataset.

row - the row index (zero-based).

column - the column index (zero-based).

pass - the pass index.

equals

public boolean equals(Object obj)

Tests this renderer for equality with an arbitrary object.

Overrides:

equals in class AbstractCategoryItemRenderer

Parameters:

obj - the object (null permitted).

Returns:

A boolean.

clone

public Object clone()
             throws CloneNotSupportedException

Returns an independent copy of the renderer.

Specified by:

clone in interface PublicCloneable

Overrides:

clone in class AbstractCategoryItemRenderer

Returns:

A clone.

Throws:

CloneNotSupportedException - should not happen.