LevelRenderer

java.lang.Object
- org.jfree.chart.renderer.AbstractRenderer
- - org.jfree.chart.renderer.category.AbstractCategoryItemRenderer
  - - org.jfree.chart.renderer.category.LevelRenderer

All Implemented Interfaces:

Serializable, Cloneable, LegendItemSource, CategoryItemRenderer, org.jfree.util.PublicCloneable
```
public class LevelRenderer
extends AbstractCategoryItemRenderer
implements Cloneable, org.jfree.util.PublicCloneable, Serializable
```
A CategoryItemRenderer that draws individual data items as horizontal lines, spaced in the same way as bars in a bar chart. The example shown here is generated by the OverlaidBarChartDemo2.java program included in the JFreeChart Demo Collection:

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field and Description

static double DEFAULT_ITEM_MARGIN
The default item margin percentage.
- Fields inherited from class org.jfree.chart.renderer.AbstractRenderer
  DEFAULT_OUTLINE_PAINT, DEFAULT_OUTLINE_STROKE, DEFAULT_PAINT, DEFAULT_SHAPE, DEFAULT_STROKE, DEFAULT_VALUE_LABEL_FONT, DEFAULT_VALUE_LABEL_PAINT, ZERO

Fields
Modifier and Type	Field and Description
`static double`	`DEFAULT_ITEM_MARGIN` The default item margin percentage.

Constructor Summary

Constructors
Constructor and Description

LevelRenderer()
Creates a new renderer with default settings.

Constructors
Constructor and Description
`LevelRenderer()` Creates a new renderer with default settings.

Method Summary

All Methods Instance Methods Concrete Methods Deprecated Methods
Modifier and Type	Method and Description
`void`	`drawItem(Graphics2D g2, CategoryItemRendererState state, Rectangle2D dataArea, CategoryPlot plot, CategoryAxis domainAxis, ValueAxis rangeAxis, CategoryDataset dataset, int row, int column, int pass)` Draws the bar for a single (series, category) data item.
`boolean`	`equals(Object obj)` Tests an object for equality with this instance.
`double`	`getItemMargin()` Returns the item margin.
`double`	`getItemMiddle(Comparable rowKey, Comparable columnKey, CategoryDataset dataset, CategoryAxis axis, Rectangle2D area, org.jfree.ui.RectangleEdge edge)` Returns the Java2D coordinate for the middle of the specified data item.
`double`	`getMaximumItemWidth()` Returns the maximum width, as a percentage of the available drawing space.
`double`	`getMaxItemWidth()` Deprecated. Use `getMaximumItemWidth()` instead.
`int`	`hashCode()` Returns a hash code for this instance.
`CategoryItemRendererState`	`initialise(Graphics2D g2, Rectangle2D dataArea, CategoryPlot plot, int rendererIndex, PlotRenderingInfo info)` Initialises the renderer and returns a state object that will be passed to subsequent calls to the drawItem method.
`void`	`setItemMargin(double percent)` Sets the item margin and sends a `RendererChangeEvent` to all registered listeners.
`void`	`setMaximumItemWidth(double percent)` Sets the maximum item width, which is specified as a percentage of the available space for all items, and sends a `RendererChangeEvent` to all registered listeners.
`void`	`setMaxItemWidth(double percent)` Deprecated. Use `setMaximumItemWidth(double)` instead.

Methods inherited from class org.jfree.chart.renderer.category.AbstractCategoryItemRenderer
clone, drawBackground, drawDomainGridline, drawDomainMarker, drawOutline, drawRangeGridline, drawRangeLine, drawRangeMarker, findRangeBounds, getBaseItemLabelGenerator, getBaseItemURLGenerator, getBaseToolTipGenerator, getColumnCount, getDrawingSupplier, getItemLabelGenerator, getItemURLGenerator, getLegendItem, getLegendItemLabelGenerator, getLegendItems, getLegendItemToolTipGenerator, getLegendItemURLGenerator, getPassCount, getPlot, getRowCount, getSeriesItemLabelGenerator, getSeriesItemURLGenerator, getSeriesToolTipGenerator, getToolTipGenerator, getToolTipGenerator, setBaseItemLabelGenerator, setBaseItemURLGenerator, setBaseToolTipGenerator, setItemLabelGenerator, setItemURLGenerator, setLegendItemLabelGenerator, setLegendItemToolTipGenerator, setLegendItemURLGenerator, setPlot, setSeriesItemLabelGenerator, setSeriesItemURLGenerator, setSeriesToolTipGenerator, setToolTipGenerator

Methods inherited from class org.jfree.chart.renderer.AbstractRenderer
addChangeListener, clearSeriesPaints, clearSeriesStrokes, getAutoPopulateSeriesFillPaint, getAutoPopulateSeriesOutlinePaint, getAutoPopulateSeriesOutlineStroke, getAutoPopulateSeriesPaint, getAutoPopulateSeriesShape, getAutoPopulateSeriesStroke, getBaseCreateEntities, getBaseFillPaint, getBaseItemLabelFont, getBaseItemLabelPaint, getBaseItemLabelsVisible, getBaseLegendShape, getBaseLegendTextFont, getBaseLegendTextPaint, getBaseNegativeItemLabelPosition, getBaseOutlinePaint, getBaseOutlineStroke, getBasePaint, getBasePositiveItemLabelPosition, getBaseSeriesVisible, getBaseSeriesVisibleInLegend, getBaseShape, getBaseStroke, getCreateEntities, getDataBoundsIncludesVisibleSeriesOnly, getDefaultEntityRadius, getItemCreateEntity, getItemFillPaint, getItemLabelAnchorOffset, getItemLabelFont, getItemLabelFont, getItemLabelPaint, getItemLabelPaint, getItemOutlinePaint, getItemOutlineStroke, getItemPaint, getItemShape, getItemStroke, getItemVisible, getLegendShape, getLegendTextFont, getLegendTextPaint, getNegativeItemLabelPosition, getNegativeItemLabelPosition, getPositiveItemLabelPosition, getPositiveItemLabelPosition, getSeriesCreateEntities, getSeriesFillPaint, getSeriesItemLabelFont, getSeriesItemLabelPaint, getSeriesNegativeItemLabelPosition, getSeriesOutlinePaint, getSeriesOutlineStroke, getSeriesPaint, getSeriesPositiveItemLabelPosition, getSeriesShape, getSeriesStroke, getSeriesVisible, getSeriesVisible, getSeriesVisibleInLegend, getSeriesVisibleInLegend, hasListener, isItemLabelVisible, isSeriesItemLabelsVisible, isSeriesVisible, isSeriesVisibleInLegend, lookupLegendShape, lookupLegendTextFont, lookupLegendTextPaint, lookupSeriesFillPaint, lookupSeriesOutlinePaint, lookupSeriesOutlineStroke, lookupSeriesPaint, lookupSeriesShape, lookupSeriesStroke, notifyListeners, removeChangeListener, setAutoPopulateSeriesFillPaint, setAutoPopulateSeriesOutlinePaint, setAutoPopulateSeriesOutlineStroke, setAutoPopulateSeriesPaint, setAutoPopulateSeriesShape, setAutoPopulateSeriesStroke, setBaseCreateEntities, setBaseCreateEntities, setBaseFillPaint, setBaseFillPaint, setBaseItemLabelFont, setBaseItemLabelFont, setBaseItemLabelPaint, setBaseItemLabelPaint, setBaseItemLabelsVisible, setBaseItemLabelsVisible, setBaseItemLabelsVisible, setBaseLegendShape, setBaseLegendTextFont, setBaseLegendTextPaint, setBaseNegativeItemLabelPosition, setBaseNegativeItemLabelPosition, setBaseOutlinePaint, setBaseOutlinePaint, setBaseOutlineStroke, setBaseOutlineStroke, setBasePaint, setBasePaint, setBasePositiveItemLabelPosition, setBasePositiveItemLabelPosition, setBaseSeriesVisible, setBaseSeriesVisible, setBaseSeriesVisibleInLegend, setBaseSeriesVisibleInLegend, setBaseShape, setBaseShape, setBaseStroke, setBaseStroke, setCreateEntities, setCreateEntities, setDataBoundsIncludesVisibleSeriesOnly, setDefaultEntityRadius, setFillPaint, setFillPaint, setItemLabelAnchorOffset, setItemLabelFont, setItemLabelFont, setItemLabelPaint, setItemLabelPaint, setItemLabelsVisible, setItemLabelsVisible, setItemLabelsVisible, setLegendShape, setLegendTextFont, setLegendTextPaint, setNegativeItemLabelPosition, setNegativeItemLabelPosition, setOutlinePaint, setOutlinePaint, setOutlineStroke, setOutlineStroke, setPaint, setPaint, setPositiveItemLabelPosition, setPositiveItemLabelPosition, 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, setSeriesVisible, setSeriesVisible, setSeriesVisibleInLegend, setSeriesVisibleInLegend, setSeriesVisibleInLegend, setSeriesVisibleInLegend, setShape, setShape, setStroke, setStroke

Methods inherited from class java.lang.Object
getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.jfree.util.PublicCloneable
clone

Methods inherited from interface org.jfree.chart.renderer.category.CategoryItemRenderer
addChangeListener, getBaseItemLabelFont, getBaseItemLabelPaint, getBaseItemLabelsVisible, getBaseNegativeItemLabelPosition, getBaseOutlinePaint, getBaseOutlineStroke, getBasePaint, getBasePositiveItemLabelPosition, getBaseSeriesVisible, getBaseSeriesVisibleInLegend, getBaseShape, getBaseStroke, getItemLabelFont, getItemLabelFont, getItemLabelPaint, getItemLabelPaint, getItemOutlinePaint, getItemOutlineStroke, getItemPaint, getItemShape, getItemStroke, getItemVisible, getNegativeItemLabelPosition, getNegativeItemLabelPosition, getPositiveItemLabelPosition, getPositiveItemLabelPosition, getSeriesItemLabelFont, getSeriesItemLabelPaint, getSeriesNegativeItemLabelPosition, getSeriesOutlinePaint, getSeriesOutlineStroke, getSeriesPaint, getSeriesPositiveItemLabelPosition, getSeriesShape, getSeriesStroke, getSeriesVisible, getSeriesVisible, getSeriesVisibleInLegend, getSeriesVisibleInLegend, isItemLabelVisible, isSeriesItemLabelsVisible, isSeriesVisible, isSeriesVisibleInLegend, removeChangeListener, setBaseItemLabelFont, setBaseItemLabelPaint, setBaseItemLabelsVisible, setBaseItemLabelsVisible, setBaseItemLabelsVisible, setBaseNegativeItemLabelPosition, setBaseNegativeItemLabelPosition, setBaseOutlinePaint, setBaseOutlineStroke, setBasePaint, setBasePositiveItemLabelPosition, setBasePositiveItemLabelPosition, setBaseSeriesVisible, setBaseSeriesVisible, setBaseSeriesVisibleInLegend, setBaseSeriesVisibleInLegend, setBaseShape, setBaseStroke, setItemLabelFont, setItemLabelPaint, setItemLabelsVisible, setItemLabelsVisible, setItemLabelsVisible, setNegativeItemLabelPosition, setNegativeItemLabelPosition, setOutlinePaint, setOutlineStroke, setPaint, setPositiveItemLabelPosition, setPositiveItemLabelPosition, setSeriesItemLabelFont, setSeriesItemLabelPaint, setSeriesItemLabelsVisible, setSeriesItemLabelsVisible, setSeriesItemLabelsVisible, setSeriesNegativeItemLabelPosition, setSeriesNegativeItemLabelPosition, setSeriesOutlinePaint, setSeriesOutlineStroke, setSeriesPaint, setSeriesPositiveItemLabelPosition, setSeriesPositiveItemLabelPosition, setSeriesShape, setSeriesStroke, setSeriesVisible, setSeriesVisible, setSeriesVisible, setSeriesVisible, setSeriesVisibleInLegend, setSeriesVisibleInLegend, setSeriesVisibleInLegend, setSeriesVisibleInLegend, setShape, setStroke

- Field Detail
  - DEFAULT_ITEM_MARGIN
```
public static final double DEFAULT_ITEM_MARGIN
```
    The default item margin percentage.
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - LevelRenderer
```
public LevelRenderer()
```
    Creates a new renderer with default settings.
- Method Detail
  - getItemMargin
```
public double getItemMargin()
```
    Returns the item margin.
    
    Returns:
    
    The margin.
    
    See Also:
    
    setItemMargin(double)
  - setItemMargin
```
public void setItemMargin(double percent)
```
    Sets the item margin and sends a RendererChangeEvent to all registered listeners. The value is expressed as a percentage of the available width for plotting all the bars, with the resulting amount to be distributed between all the bars evenly.
    
    Parameters:
    
    percent - the new margin.
    
    See Also:
    
    getItemMargin()
  - getMaximumItemWidth
```
public double getMaximumItemWidth()
```
    Returns the maximum width, as a percentage of the available drawing space.
    
    Returns:
    
    The maximum width.
    
    See Also:
    
    setMaximumItemWidth(double)
  - setMaximumItemWidth
```
public void setMaximumItemWidth(double percent)
```
    Sets the maximum item width, which is specified as a percentage of the available space for all items, and sends a RendererChangeEvent to all registered listeners.
    
    Parameters:
    
    percent - the percent.
    
    See Also:
    
    getMaximumItemWidth()
  - initialise
```
public CategoryItemRendererState initialise(Graphics2D g2,
                                            Rectangle2D dataArea,
                                            CategoryPlot plot,
                                            int rendererIndex,
                                            PlotRenderingInfo info)
```
    Initialises the renderer and returns a state object that will be passed to subsequent calls to the drawItem method.
    This method gets called once at the start of the process of drawing a chart.
    
    Specified by:
    
    initialise in interface CategoryItemRenderer
    
    Overrides:
    
    initialise in class AbstractCategoryItemRenderer
    
    Parameters:
    
    g2 - the graphics device.
    
    dataArea - the area in which the data is to be plotted.
    
    plot - the plot.
    
    rendererIndex - the renderer index.
    
    info - collects chart rendering information for return to caller.
    
    Returns:
    
    The renderer state.
  - drawItem
```
public void drawItem(Graphics2D g2,
                     CategoryItemRendererState state,
                     Rectangle2D dataArea,
                     CategoryPlot plot,
                     CategoryAxis domainAxis,
                     ValueAxis rangeAxis,
                     CategoryDataset dataset,
                     int row,
                     int column,
                     int pass)
```
    Draws the bar for a single (series, category) data item.
    
    Specified by:
    
    drawItem in interface CategoryItemRenderer
    
    Parameters:
    
    g2 - the graphics device.
    
    state - the renderer state.
    
    dataArea - the data area.
    
    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.
  - getItemMiddle
```
public double getItemMiddle(Comparable rowKey,
                            Comparable columnKey,
                            CategoryDataset dataset,
                            CategoryAxis axis,
                            Rectangle2D area,
                            org.jfree.ui.RectangleEdge edge)
```
    Returns the Java2D coordinate for the middle of the specified data item.
    
    Specified by:
    
    getItemMiddle in interface CategoryItemRenderer
    
    Overrides:
    
    getItemMiddle in class AbstractCategoryItemRenderer
    
    Parameters:
    
    rowKey - the row key.
    
    columnKey - the column key.
    
    dataset - the dataset.
    
    axis - the axis.
    
    area - the drawing area.
    
    edge - the edge along which the axis lies.
    
    Returns:
    
    The Java2D coordinate.
    
    Since:
    
    1.0.11
  - equals
```
public boolean equals(Object obj)
```
    Tests an object for equality with this instance.
    
    Overrides:
    
    equals in class AbstractCategoryItemRenderer
    
    Parameters:
    
    obj - the object (null permitted).
    
    Returns:
    
    A boolean.
  - hashCode
```
public int hashCode()
```
    Returns a hash code for this instance.
    
    Overrides:
    
    hashCode in class AbstractCategoryItemRenderer
    
    Returns:
    
    A hash code.
  - getMaxItemWidth
```
public double getMaxItemWidth()
```
    Deprecated. Use getMaximumItemWidth() instead.
    
    Returns the maximum width, as a percentage of the available drawing space.
    
    Returns:
    
    The maximum width.
  - setMaxItemWidth
```
public void setMaxItemWidth(double percent)
```
    Deprecated. Use setMaximumItemWidth(double) instead.
    
    Sets the maximum item width, which is specified as a percentage of the available space for all items, and sends a RendererChangeEvent to all registered listeners.
    
    Parameters:
    
    percent - the percent.

Class LevelRenderer

Field Summary

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

Constructor Summary

Method Summary

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

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

Methods inherited from class java.lang.Object

Methods inherited from interface org.jfree.util.PublicCloneable

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

Field Detail

DEFAULT_ITEM_MARGIN

Constructor Detail

LevelRenderer

Method Detail

getItemMargin

setItemMargin

getMaximumItemWidth

setMaximumItemWidth

initialise

drawItem

getItemMiddle

equals

hashCode

getMaxItemWidth

setMaxItemWidth