org.jfree.chart.renderer.category
Class LevelRenderer
java.lang.Object
org.jfree.chart.renderer.AbstractRenderer
org.jfree.chart.renderer.category.AbstractCategoryItemRenderer
org.jfree.chart.renderer.category.LevelRenderer
- All Implemented Interfaces:
- CategoryItemRenderer, java.lang.Cloneable, LegendItemSource, java.io.Serializable
- public class LevelRenderer
- extends AbstractCategoryItemRenderer
- implements java.lang.Cloneable, java.io.Serializable
A CategoryItemRenderer
that draws individual data items as horizontal lines,
spaced in the same way as bars in a bar chart.
- See Also:
- Serialized Form
Constructor Summary |
LevelRenderer()
Creates a new renderer with default settings. |
Method Summary |
protected double |
calculateBarW0(CategoryPlot plot,
PlotOrientation orientation,
java.awt.geom.Rectangle2D dataArea,
CategoryAxis domainAxis,
CategoryItemRendererState state,
int row,
int column)
Calculates the coordinate of the first "side" of a bar. |
protected void |
calculateItemWidth(CategoryPlot plot,
java.awt.geom.Rectangle2D dataArea,
int rendererIndex,
CategoryItemRendererState state)
Calculates the bar width and stores it in the renderer state. |
protected double |
calculateSeriesWidth(double space,
CategoryAxis axis,
int categories,
int series)
Calculates the available space for each series. |
void |
drawItem(java.awt.Graphics2D g2,
CategoryItemRendererState state,
java.awt.geom.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(java.lang.Object object)
Tests an object for equality with this instance. |
double |
getItemMargin()
Returns the item margin. |
double |
getMaxItemWidth()
Returns the maximum width, as a percentage of the available drawing space. |
CategoryItemRendererState |
initialise(java.awt.Graphics2D g2,
java.awt.geom.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. |
void |
setMaxItemWidth(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. |
Methods inherited from class org.jfree.chart.renderer.category.AbstractCategoryItemRenderer |
clone, drawBackground, drawDomainGridline, drawItemLabel, drawOutline, drawRangeGridline, drawRangeMarker, findRangeBounds, getBaseItemURLGenerator, getBaseLabelGenerator, getBaseToolTipGenerator, getColumnCount, getDomainAxis, getDrawingSupplier, getItemURLGenerator, getLabelGenerator, getLegendItem, getLegendItems, getPassCount, getPlot, getRangeAxis, getRowCount, getSeriesItemURLGenerator, getSeriesLabelGenerator, getSeriesToolTipGenerator, getToolTipGenerator, getToolTipGenerator, hashCode, setBaseItemURLGenerator, setBaseLabelGenerator, setBaseToolTipGenerator, setItemURLGenerator, setLabelGenerator, setPlot, setSeriesItemURLGenerator, setSeriesLabelGenerator, setSeriesToolTipGenerator, setToolTipGenerator |
Methods inherited from class org.jfree.chart.renderer.AbstractRenderer |
addChangeListener, calculateLabelAnchorPoint, getBaseCreateEntities, getBaseFillPaint, getBaseItemLabelFont, getBaseItemLabelPaint, getBaseItemLabelsVisible, getBaseNegativeItemLabelPosition, getBaseOutlinePaint, getBaseOutlineStroke, getBasePaint, getBasePositiveItemLabelPosition, getBaseSeriesVisible, getBaseSeriesVisibleInLegend, getBaseShape, getBaseStroke, getCreateEntities, getItemCreateEntity, getItemFillPaint, getItemLabelAnchorOffset, getItemLabelFont, getItemLabelFont, getItemLabelPaint, getItemLabelPaint, getItemOutlinePaint, getItemOutlineStroke, getItemPaint, getItemShape, getItemStroke, getItemVisible, getNegativeItemLabelPosition, getNegativeItemLabelPosition, getPositiveItemLabelPosition, getPositiveItemLabelPosition, getSeriesCreateEntities, getSeriesFillPaint, getSeriesItemLabelFont, getSeriesItemLabelPaint, getSeriesNegativeItemLabelPosition, getSeriesOutlinePaint, getSeriesOutlineStroke, getSeriesPaint, getSeriesPositiveItemLabelPosition, getSeriesShape, getSeriesStroke, getSeriesVisible, getSeriesVisible, getSeriesVisibleInLegend, getSeriesVisibleInLegend, isItemLabelVisible, isSeriesItemLabelsVisible, isSeriesVisibleInLegend, notifyListeners, removeChangeListener, setBaseCreateEntities, setBaseCreateEntities, setBaseFillPaint, setBaseFillPaint, setBaseItemLabelFont, setBaseItemLabelFont, setBaseItemLabelPaint, setBaseItemLabelPaint, setBaseItemLabelsVisible, setBaseItemLabelsVisible, setBaseItemLabelsVisible, setBaseNegativeItemLabelPosition, setBaseNegativeItemLabelPosition, setBaseOutlinePaint, setBaseOutlinePaint, setBaseOutlineStroke, setBaseOutlineStroke, setBasePaint, setBasePaint, setBasePositiveItemLabelPosition, setBasePositiveItemLabelPosition, setBaseSeriesVisible, setBaseSeriesVisible, setBaseSeriesVisibleInLegend, setBaseSeriesVisibleInLegend, setBaseShape, setBaseShape, setBaseStroke, setBaseStroke, setCreateEntities, setCreateEntities, setFillPaint, setFillPaint, setItemLabelAnchorOffset, setItemLabelFont, setItemLabelFont, setItemLabelPaint, setItemLabelPaint, setItemLabelsVisible, setItemLabelsVisible, setItemLabelsVisible, 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 |
finalize, getClass, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.jfree.chart.renderer.category.CategoryItemRenderer |
addChangeListener, getBaseItemLabelFont, getBaseItemLabelPaint, getBaseItemLabelsVisible, getBaseNegativeItemLabelPosition, getBaseOutlinePaint, getBaseOutlineStroke, getBasePaint, getBasePositiveItemLabelPosition, getBaseShape, getBaseStroke, getItemLabelFont, getItemLabelFont, getItemLabelPaint, getItemLabelPaint, getItemOutlinePaint, getItemOutlineStroke, getItemPaint, getItemShape, getItemStroke, getNegativeItemLabelPosition, getNegativeItemLabelPosition, getPositiveItemLabelPosition, getPositiveItemLabelPosition, getSeriesItemLabelFont, getSeriesItemLabelPaint, getSeriesNegativeItemLabelPosition, getSeriesOutlinePaint, getSeriesOutlineStroke, getSeriesPaint, getSeriesPositiveItemLabelPosition, getSeriesShape, getSeriesStroke, isItemLabelVisible, isSeriesItemLabelsVisible, removeChangeListener, setBaseItemLabelFont, setBaseItemLabelPaint, setBaseItemLabelsVisible, setBaseItemLabelsVisible, setBaseItemLabelsVisible, setBaseNegativeItemLabelPosition, setBaseNegativeItemLabelPosition, setBaseOutlinePaint, setBaseOutlineStroke, setBasePaint, setBasePositiveItemLabelPosition, setBasePositiveItemLabelPosition, 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, setShape, setStroke |
DEFAULT_ITEM_MARGIN
public static final double DEFAULT_ITEM_MARGIN
- The default item margin percentage.
- See Also:
- Constant Field Values
LevelRenderer
public LevelRenderer()
- Creates a new renderer with default settings.
getItemMargin
public double getItemMargin()
- Returns the item margin.
- Returns:
- The margin.
setItemMargin
public void setItemMargin(double percent)
- Sets the item margin. 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.
getMaxItemWidth
public double getMaxItemWidth()
- Returns the maximum width, as a percentage of the available drawing space.
- Returns:
- the maximum width.
setMaxItemWidth
public void setMaxItemWidth(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.
initialise
public CategoryItemRendererState initialise(java.awt.Graphics2D g2,
java.awt.geom.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.
calculateItemWidth
protected void calculateItemWidth(CategoryPlot plot,
java.awt.geom.Rectangle2D dataArea,
int rendererIndex,
CategoryItemRendererState state)
- Calculates the bar width and stores it in the renderer state.
- Parameters:
plot
- the plot.dataArea
- the data area.rendererIndex
- the renderer index.state
- the renderer state.
calculateBarW0
protected double calculateBarW0(CategoryPlot plot,
PlotOrientation orientation,
java.awt.geom.Rectangle2D dataArea,
CategoryAxis domainAxis,
CategoryItemRendererState state,
int row,
int column)
- Calculates the coordinate of the first "side" of a bar. This will be the minimum
x-coordinate for a vertical bar, and the minimum y-coordinate for a horizontal bar.
- Parameters:
plot
- the plot.orientation
- the plot orientation.dataArea
- the data area.domainAxis
- the domain axis.state
- the renderer state (has the bar width precalculated).row
- the row index.column
- the column index.
- Returns:
- the coordinate.
drawItem
public void drawItem(java.awt.Graphics2D g2,
CategoryItemRendererState state,
java.awt.geom.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.
calculateSeriesWidth
protected double calculateSeriesWidth(double space,
CategoryAxis axis,
int categories,
int series)
- Calculates the available space for each series.
- Parameters:
space
- the space along the entire axis (in Java2D units).axis
- the category axis.categories
- the number of categories.series
- the number of series.
- Returns:
- the width of one series.
equals
public boolean equals(java.lang.Object object)
- Tests an object for equality with this instance.
- Overrides:
equals
in class AbstractCategoryItemRenderer
- Parameters:
object
- the object.
- Returns:
- A boolean.