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org.jfree.chart.axis
Class CategoryAxis

java.lang.Object
  extended by org.jfree.chart.axis.Axis
      extended by org.jfree.chart.axis.CategoryAxis
All Implemented Interfaces:
java.io.Serializable, java.lang.Cloneable
Direct Known Subclasses:
CategoryAxis3D, ExtendedCategoryAxis, SubCategoryAxis

public class CategoryAxis
extends Axis
implements java.lang.Cloneable, java.io.Serializable

An axis that displays categories.

See Also:
Serialized Form

Field Summary
static double DEFAULT_AXIS_MARGIN
          The default margin for the axis (used for both lower and upper margins).
static double DEFAULT_CATEGORY_MARGIN
          The default margin between categories (a percentage of the overall axis length).
 
Fields inherited from class org.jfree.chart.axis.Axis
DEFAULT_AXIS_LABEL_FONT, DEFAULT_AXIS_LABEL_INSETS, DEFAULT_AXIS_LABEL_PAINT, DEFAULT_AXIS_LINE_PAINT, DEFAULT_AXIS_LINE_STROKE, DEFAULT_AXIS_VISIBLE, DEFAULT_TICK_LABEL_FONT, DEFAULT_TICK_LABEL_INSETS, DEFAULT_TICK_LABEL_PAINT, DEFAULT_TICK_LABELS_VISIBLE, DEFAULT_TICK_MARK_INSIDE_LENGTH, DEFAULT_TICK_MARK_OUTSIDE_LENGTH, DEFAULT_TICK_MARK_PAINT, DEFAULT_TICK_MARK_STROKE, DEFAULT_TICK_MARKS_VISIBLE
 
Constructor Summary
CategoryAxis()
          Creates a new category axis with no label.
CategoryAxis(java.lang.String label)
          Constructs a category axis, using default values where necessary.
 
Method Summary
 void addCategoryLabelToolTip(java.lang.Comparable category, java.lang.String tooltip)
          Adds a tooltip to the specified category and sends an AxisChangeEvent to all registered listeners.
protected  double calculateCategoryGapSize(int categoryCount, java.awt.geom.Rectangle2D area, org.jfree.ui.RectangleEdge edge)
          Calculates the size (width or height, depending on the location of the axis) of a category gap.
protected  double calculateCategorySize(int categoryCount, java.awt.geom.Rectangle2D area, org.jfree.ui.RectangleEdge edge)
          Calculates the size (width or height, depending on the location of the axis) of a category.
protected  double calculateTextBlockHeight(org.jfree.text.TextBlock block, CategoryLabelPosition position, java.awt.Graphics2D g2)
          A utility method for determining the height of a text block.
protected  double calculateTextBlockWidth(org.jfree.text.TextBlock block, CategoryLabelPosition position, java.awt.Graphics2D g2)
          A utility method for determining the width of a text block.
 void clearCategoryLabelToolTips()
          Clears the category label tooltips and sends an AxisChangeEvent to all registered listeners.
 java.lang.Object clone()
          Creates a clone of the axis.
 void configure()
          Configures the axis against the current plot.
protected  org.jfree.text.TextBlock createLabel(java.lang.Comparable category, float width, org.jfree.ui.RectangleEdge edge, java.awt.Graphics2D g2)
          Creates a label.
 AxisState draw(java.awt.Graphics2D g2, double cursor, java.awt.geom.Rectangle2D plotArea, java.awt.geom.Rectangle2D dataArea, org.jfree.ui.RectangleEdge edge, PlotRenderingInfo plotState)
          Draws the axis on a Java 2D graphics device (such as the screen or a printer).
protected  AxisState drawCategoryLabels(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D plotArea, java.awt.geom.Rectangle2D dataArea, org.jfree.ui.RectangleEdge edge, AxisState state, PlotRenderingInfo plotState)
          Draws the category labels and returns the updated axis state.
protected  AxisState drawCategoryLabels(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D dataArea, org.jfree.ui.RectangleEdge edge, AxisState state, PlotRenderingInfo plotState)
          Deprecated. Use drawCategoryLabels(Graphics2D, Rectangle2D, Rectangle2D, RectangleEdge, AxisState, PlotRenderingInfo).
 void drawTickMarks(java.awt.Graphics2D g2, double cursor, java.awt.geom.Rectangle2D dataArea, org.jfree.ui.RectangleEdge edge, AxisState state)
          Draws the tick marks.
 boolean equals(java.lang.Object obj)
          Tests this axis for equality with an arbitrary object.
 double getCategoryEnd(int category, int categoryCount, java.awt.geom.Rectangle2D area, org.jfree.ui.RectangleEdge edge)
          Returns the end coordinate for the specified category.
 double getCategoryJava2DCoordinate(CategoryAnchor anchor, int category, int categoryCount, java.awt.geom.Rectangle2D area, org.jfree.ui.RectangleEdge edge)
          Returns the Java 2D coordinate for a category.
 int getCategoryLabelPositionOffset()
          Returns the offset between the axis and the category labels (before label positioning is taken into account).
 CategoryLabelPositions getCategoryLabelPositions()
          Returns the category label position specification (this contains label positioning info for all four possible axis locations).
 java.lang.String getCategoryLabelToolTip(java.lang.Comparable category)
          Returns the tool tip text for the label belonging to the specified category.
 double getCategoryMargin()
          Returns the category margin.
 double getCategoryMiddle(java.lang.Comparable category, java.util.List categories, java.awt.geom.Rectangle2D area, org.jfree.ui.RectangleEdge edge)
          A convenience method that returns the axis coordinate for the centre of a category.
 double getCategoryMiddle(int category, int categoryCount, java.awt.geom.Rectangle2D area, org.jfree.ui.RectangleEdge edge)
          Returns the middle coordinate for the specified category.
 double getCategorySeriesMiddle(java.lang.Comparable category, java.lang.Comparable seriesKey, CategoryDataset dataset, double itemMargin, java.awt.geom.Rectangle2D area, org.jfree.ui.RectangleEdge edge)
          Returns the middle coordinate (in Java2D space) for a series within a category.
 double getCategorySeriesMiddle(int categoryIndex, int categoryCount, int seriesIndex, int seriesCount, double itemMargin, java.awt.geom.Rectangle2D area, org.jfree.ui.RectangleEdge edge)
          Returns the middle coordinate (in Java2D space) for a series within a category.
 double getCategoryStart(int category, int categoryCount, java.awt.geom.Rectangle2D area, org.jfree.ui.RectangleEdge edge)
          Returns the starting coordinate for the specified category.
 double getLowerMargin()
          Returns the lower margin for the axis.
 int getMaximumCategoryLabelLines()
          Returns the maximum number of lines to use for each category label.
 float getMaximumCategoryLabelWidthRatio()
          Returns the category label width ratio.
 java.awt.Font getTickLabelFont(java.lang.Comparable category)
          Returns the font for the tick label for the given category.
 java.awt.Paint getTickLabelPaint(java.lang.Comparable category)
          Returns the paint for the tick label for the given category.
 double getUpperMargin()
          Returns the upper margin for the axis.
 int hashCode()
          Returns a hash code for this object.
 java.util.List refreshTicks(java.awt.Graphics2D g2, AxisState state, java.awt.geom.Rectangle2D dataArea, org.jfree.ui.RectangleEdge edge)
          Creates a temporary list of ticks that can be used when drawing the axis.
 void removeCategoryLabelToolTip(java.lang.Comparable category)
          Removes the tooltip for the specified category and sends an AxisChangeEvent to all registered listeners.
 AxisSpace reserveSpace(java.awt.Graphics2D g2, Plot plot, java.awt.geom.Rectangle2D plotArea, org.jfree.ui.RectangleEdge edge, AxisSpace space)
          Estimates the space required for the axis, given a specific drawing area.
 void setCategoryLabelPositionOffset(int offset)
          Sets the offset between the axis and the category labels (before label positioning is taken into account).
 void setCategoryLabelPositions(CategoryLabelPositions positions)
          Sets the category label position specification for the axis and sends an AxisChangeEvent to all registered listeners.
 void setCategoryMargin(double margin)
          Sets the category margin and sends an AxisChangeEvent to all registered listeners.
 void setLowerMargin(double margin)
          Sets the lower margin for the axis and sends an AxisChangeEvent to all registered listeners.
 void setMaximumCategoryLabelLines(int lines)
          Sets the maximum number of lines to use for each category label and sends an AxisChangeEvent to all registered listeners.
 void setMaximumCategoryLabelWidthRatio(float ratio)
          Sets the maximum category label width ratio and sends an AxisChangeEvent to all registered listeners.
 void setTickLabelFont(java.lang.Comparable category, java.awt.Font font)
          Sets the font for the tick label for the specified category and sends an AxisChangeEvent to all registered listeners.
 void setTickLabelPaint(java.lang.Comparable category, java.awt.Paint paint)
          Sets the paint for the tick label for the specified category and sends an AxisChangeEvent to all registered listeners.
 void setUpperMargin(double margin)
          Sets the upper margin for the axis and sends an AxisChangeEvent to all registered listeners.
 
Methods inherited from class org.jfree.chart.axis.Axis
addChangeListener, createAndAddEntity, drawAxisLine, drawLabel, fireChangeEvent, getAxisLinePaint, getAxisLineStroke, getFixedDimension, getLabel, getLabelAngle, getLabelEnclosure, getLabelFont, getLabelInsets, getLabelPaint, getMinorTickMarkInsideLength, getMinorTickMarkOutsideLength, getPlot, getTickLabelFont, getTickLabelInsets, getTickLabelPaint, getTickMarkInsideLength, getTickMarkOutsideLength, getTickMarkPaint, getTickMarkStroke, hasListener, isAxisLineVisible, isMinorTickMarksVisible, isTickLabelsVisible, isTickMarksVisible, isVisible, notifyListeners, removeChangeListener, setAxisLinePaint, setAxisLineStroke, setAxisLineVisible, setFixedDimension, setLabel, setLabelAngle, setLabelFont, setLabelInsets, setLabelInsets, setLabelPaint, setMinorTickMarkInsideLength, setMinorTickMarkOutsideLength, setMinorTickMarksVisible, setPlot, setTickLabelFont, setTickLabelInsets, setTickLabelPaint, setTickLabelsVisible, setTickMarkInsideLength, setTickMarkOutsideLength, setTickMarkPaint, setTickMarkStroke, setTickMarksVisible, setVisible
 
Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

DEFAULT_AXIS_MARGIN

public static final double DEFAULT_AXIS_MARGIN
The default margin for the axis (used for both lower and upper margins).

See Also:
Constant Field Values

DEFAULT_CATEGORY_MARGIN

public static final double DEFAULT_CATEGORY_MARGIN
The default margin between categories (a percentage of the overall axis length).

See Also:
Constant Field Values
Constructor Detail

CategoryAxis

public CategoryAxis()
Creates a new category axis with no label.


CategoryAxis

public CategoryAxis(java.lang.String label)
Constructs a category axis, using default values where necessary.

Parameters:
label - the axis label (null permitted).
Method Detail

getLowerMargin

public double getLowerMargin()
Returns the lower margin for the axis.

Returns:
The margin.
See Also:
getUpperMargin(), setLowerMargin(double)

setLowerMargin

public void setLowerMargin(double margin)
Sets the lower margin for the axis and sends an AxisChangeEvent to all registered listeners.

Parameters:
margin - the margin as a percentage of the axis length (for example, 0.05 is five percent).
See Also:
getLowerMargin()

getUpperMargin

public double getUpperMargin()
Returns the upper margin for the axis.

Returns:
The margin.
See Also:
getLowerMargin(), setUpperMargin(double)

setUpperMargin

public void setUpperMargin(double margin)
Sets the upper margin for the axis and sends an AxisChangeEvent to all registered listeners.

Parameters:
margin - the margin as a percentage of the axis length (for example, 0.05 is five percent).
See Also:
getUpperMargin()

getCategoryMargin

public double getCategoryMargin()
Returns the category margin.

Returns:
The margin.
See Also:
setCategoryMargin(double)

setCategoryMargin

public void setCategoryMargin(double margin)
Sets the category margin and sends an AxisChangeEvent to all registered listeners. The overall category margin is distributed over N-1 gaps, where N is the number of categories on the axis.

Parameters:
margin - the margin as a percentage of the axis length (for example, 0.05 is five percent).
See Also:
getCategoryMargin()

getMaximumCategoryLabelLines

public int getMaximumCategoryLabelLines()
Returns the maximum number of lines to use for each category label.

Returns:
The maximum number of lines.
See Also:
setMaximumCategoryLabelLines(int)

setMaximumCategoryLabelLines

public void setMaximumCategoryLabelLines(int lines)
Sets the maximum number of lines to use for each category label and sends an AxisChangeEvent to all registered listeners.

Parameters:
lines - the maximum number of lines.
See Also:
getMaximumCategoryLabelLines()

getMaximumCategoryLabelWidthRatio

public float getMaximumCategoryLabelWidthRatio()
Returns the category label width ratio.

Returns:
The ratio.
See Also:
setMaximumCategoryLabelWidthRatio(float)

setMaximumCategoryLabelWidthRatio

public void setMaximumCategoryLabelWidthRatio(float ratio)
Sets the maximum category label width ratio and sends an AxisChangeEvent to all registered listeners.

Parameters:
ratio - the ratio.
See Also:
getMaximumCategoryLabelWidthRatio()

getCategoryLabelPositionOffset

public int getCategoryLabelPositionOffset()
Returns the offset between the axis and the category labels (before label positioning is taken into account).

Returns:
The offset (in Java2D units).
See Also:
setCategoryLabelPositionOffset(int)

setCategoryLabelPositionOffset

public void setCategoryLabelPositionOffset(int offset)
Sets the offset between the axis and the category labels (before label positioning is taken into account).

Parameters:
offset - the offset (in Java2D units).
See Also:
getCategoryLabelPositionOffset()

getCategoryLabelPositions

public CategoryLabelPositions getCategoryLabelPositions()
Returns the category label position specification (this contains label positioning info for all four possible axis locations).

Returns:
The positions (never null).
See Also:
setCategoryLabelPositions(CategoryLabelPositions)

setCategoryLabelPositions

public void setCategoryLabelPositions(CategoryLabelPositions positions)
Sets the category label position specification for the axis and sends an AxisChangeEvent to all registered listeners.

Parameters:
positions - the positions (null not permitted).
See Also:
getCategoryLabelPositions()

getTickLabelFont

public java.awt.Font getTickLabelFont(java.lang.Comparable category)
Returns the font for the tick label for the given category.

Parameters:
category - the category (null not permitted).
Returns:
The font (never null).
See Also:
setTickLabelFont(Comparable, Font)

setTickLabelFont

public void setTickLabelFont(java.lang.Comparable category,
                             java.awt.Font font)
Sets the font for the tick label for the specified category and sends an AxisChangeEvent to all registered listeners.

Parameters:
category - the category (null not permitted).
font - the font (null permitted).
See Also:
getTickLabelFont(Comparable)

getTickLabelPaint

public java.awt.Paint getTickLabelPaint(java.lang.Comparable category)
Returns the paint for the tick label for the given category.

Parameters:
category - the category (null not permitted).
Returns:
The paint (never null).
See Also:
Axis.setTickLabelPaint(Paint)

setTickLabelPaint

public void setTickLabelPaint(java.lang.Comparable category,
                              java.awt.Paint paint)
Sets the paint for the tick label for the specified category and sends an AxisChangeEvent to all registered listeners.

Parameters:
category - the category (null not permitted).
paint - the paint (null permitted).
See Also:
getTickLabelPaint(Comparable)

addCategoryLabelToolTip

public void addCategoryLabelToolTip(java.lang.Comparable category,
                                    java.lang.String tooltip)
Adds a tooltip to the specified category and sends an AxisChangeEvent to all registered listeners.

Parameters:
category - the category (null not permitted).
tooltip - the tooltip text (null permitted).
See Also:
removeCategoryLabelToolTip(Comparable)

getCategoryLabelToolTip

public java.lang.String getCategoryLabelToolTip(java.lang.Comparable category)
Returns the tool tip text for the label belonging to the specified category.

Parameters:
category - the category (null not permitted).
Returns:
The tool tip text (possibly null).
See Also:
addCategoryLabelToolTip(Comparable, String), removeCategoryLabelToolTip(Comparable)

removeCategoryLabelToolTip

public void removeCategoryLabelToolTip(java.lang.Comparable category)
Removes the tooltip for the specified category and sends an AxisChangeEvent to all registered listeners.

Parameters:
category - the category (null not permitted).
See Also:
addCategoryLabelToolTip(Comparable, String), clearCategoryLabelToolTips()

clearCategoryLabelToolTips

public void clearCategoryLabelToolTips()
Clears the category label tooltips and sends an AxisChangeEvent to all registered listeners.

See Also:
addCategoryLabelToolTip(Comparable, String), removeCategoryLabelToolTip(Comparable)

getCategoryJava2DCoordinate

public double getCategoryJava2DCoordinate(CategoryAnchor anchor,
                                          int category,
                                          int categoryCount,
                                          java.awt.geom.Rectangle2D area,
                                          org.jfree.ui.RectangleEdge edge)
Returns the Java 2D coordinate for a category.

Parameters:
anchor - the anchor point.
category - the category index.
categoryCount - the category count.
area - the data area.
edge - the location of the axis.
Returns:
The coordinate.

getCategoryStart

public double getCategoryStart(int category,
                               int categoryCount,
                               java.awt.geom.Rectangle2D area,
                               org.jfree.ui.RectangleEdge edge)
Returns the starting coordinate for the specified category.

Parameters:
category - the category.
categoryCount - the number of categories.
area - the data area.
edge - the axis location.
Returns:
The coordinate.
See Also:
getCategoryMiddle(int, int, Rectangle2D, RectangleEdge), getCategoryEnd(int, int, Rectangle2D, RectangleEdge)

getCategoryMiddle

public double getCategoryMiddle(int category,
                                int categoryCount,
                                java.awt.geom.Rectangle2D area,
                                org.jfree.ui.RectangleEdge edge)
Returns the middle coordinate for the specified category.

Parameters:
category - the category.
categoryCount - the number of categories.
area - the data area.
edge - the axis location.
Returns:
The coordinate.
See Also:
getCategoryStart(int, int, Rectangle2D, RectangleEdge), getCategoryEnd(int, int, Rectangle2D, RectangleEdge)

getCategoryEnd

public double getCategoryEnd(int category,
                             int categoryCount,
                             java.awt.geom.Rectangle2D area,
                             org.jfree.ui.RectangleEdge edge)
Returns the end coordinate for the specified category.

Parameters:
category - the category.
categoryCount - the number of categories.
area - the data area.
edge - the axis location.
Returns:
The coordinate.
See Also:
getCategoryStart(int, int, Rectangle2D, RectangleEdge), getCategoryMiddle(int, int, Rectangle2D, RectangleEdge)

getCategoryMiddle

public double getCategoryMiddle(java.lang.Comparable category,
                                java.util.List categories,
                                java.awt.geom.Rectangle2D area,
                                org.jfree.ui.RectangleEdge edge)
A convenience method that returns the axis coordinate for the centre of a category.

Parameters:
category - the category key (null not permitted).
categories - the categories (null not permitted).
area - the data area (null not permitted).
edge - the edge along which the axis lies (null not permitted).
Returns:
The centre coordinate.
Since:
1.0.11
See Also:
getCategorySeriesMiddle(Comparable, Comparable, CategoryDataset, double, Rectangle2D, RectangleEdge)

getCategorySeriesMiddle

public double getCategorySeriesMiddle(java.lang.Comparable category,
                                      java.lang.Comparable seriesKey,
                                      CategoryDataset dataset,
                                      double itemMargin,
                                      java.awt.geom.Rectangle2D area,
                                      org.jfree.ui.RectangleEdge edge)
Returns the middle coordinate (in Java2D space) for a series within a category.

Parameters:
category - the category (null not permitted).
seriesKey - the series key (null not permitted).
dataset - the dataset (null not permitted).
itemMargin - the item margin (0.0 <= itemMargin < 1.0);
area - the area (null not permitted).
edge - the edge (null not permitted).
Returns:
The coordinate in Java2D space.
Since:
1.0.7

getCategorySeriesMiddle

public double getCategorySeriesMiddle(int categoryIndex,
                                      int categoryCount,
                                      int seriesIndex,
                                      int seriesCount,
                                      double itemMargin,
                                      java.awt.geom.Rectangle2D area,
                                      org.jfree.ui.RectangleEdge edge)
Returns the middle coordinate (in Java2D space) for a series within a category.

Parameters:
categoryIndex - the category index.
categoryCount - the category count.
seriesIndex - the series index.
seriesCount - the series count.
itemMargin - the item margin (0.0 <= itemMargin < 1.0);
area - the area (null not permitted).
edge - the edge (null not permitted).
Returns:
The coordinate in Java2D space.
Since:
1.0.13

calculateCategorySize

protected double calculateCategorySize(int categoryCount,
                                       java.awt.geom.Rectangle2D area,
                                       org.jfree.ui.RectangleEdge edge)
Calculates the size (width or height, depending on the location of the axis) of a category.

Parameters:
categoryCount - the number of categories.
area - the area within which the categories will be drawn.
edge - the axis location.
Returns:
The category size.

calculateCategoryGapSize

protected double calculateCategoryGapSize(int categoryCount,
                                          java.awt.geom.Rectangle2D area,
                                          org.jfree.ui.RectangleEdge edge)
Calculates the size (width or height, depending on the location of the axis) of a category gap.

Parameters:
categoryCount - the number of categories.
area - the area within which the categories will be drawn.
edge - the axis location.
Returns:
The category gap width.

reserveSpace

public AxisSpace reserveSpace(java.awt.Graphics2D g2,
                              Plot plot,
                              java.awt.geom.Rectangle2D plotArea,
                              org.jfree.ui.RectangleEdge edge,
                              AxisSpace space)
Estimates the space required for the axis, given a specific drawing area.

Specified by:
reserveSpace in class Axis
Parameters:
g2 - the graphics device (used to obtain font information).
plot - the plot that the axis belongs to.
plotArea - the area within which the axis should be drawn.
edge - the axis location (top or bottom).
space - the space already reserved.
Returns:
The space required to draw the axis.

configure

public void configure()
Configures the axis against the current plot.

Specified by:
configure in class Axis

draw

public AxisState draw(java.awt.Graphics2D g2,
                      double cursor,
                      java.awt.geom.Rectangle2D plotArea,
                      java.awt.geom.Rectangle2D dataArea,
                      org.jfree.ui.RectangleEdge edge,
                      PlotRenderingInfo plotState)
Draws the axis on a Java 2D graphics device (such as the screen or a printer).

Specified by:
draw in class Axis
Parameters:
g2 - the graphics device (null not permitted).
cursor - the cursor location.
plotArea - the area within which the axis should be drawn (null not permitted).
dataArea - the area within which the plot is being drawn (null not permitted).
edge - the location of the axis (null not permitted).
plotState - collects information about the plot (null permitted).
Returns:
The axis state (never null).

drawCategoryLabels

protected AxisState drawCategoryLabels(java.awt.Graphics2D g2,
                                       java.awt.geom.Rectangle2D dataArea,
                                       org.jfree.ui.RectangleEdge edge,
                                       AxisState state,
                                       PlotRenderingInfo plotState)
Deprecated. Use drawCategoryLabels(Graphics2D, Rectangle2D, Rectangle2D, RectangleEdge, AxisState, PlotRenderingInfo).

Draws the category labels and returns the updated axis state.

Parameters:
g2 - the graphics device (null not permitted).
dataArea - the area inside the axes (null not permitted).
edge - the axis location (null not permitted).
state - the axis state (null not permitted).
plotState - collects information about the plot (null permitted).
Returns:
The updated axis state (never null).

drawCategoryLabels

protected AxisState drawCategoryLabels(java.awt.Graphics2D g2,
                                       java.awt.geom.Rectangle2D plotArea,
                                       java.awt.geom.Rectangle2D dataArea,
                                       org.jfree.ui.RectangleEdge edge,
                                       AxisState state,
                                       PlotRenderingInfo plotState)
Draws the category labels and returns the updated axis state.

Parameters:
g2 - the graphics device (null not permitted).
plotArea - the plot area (null not permitted).
dataArea - the area inside the axes (null not permitted).
edge - the axis location (null not permitted).
state - the axis state (null not permitted).
plotState - collects information about the plot (null permitted).
Returns:
The updated axis state (never null).

refreshTicks

public java.util.List refreshTicks(java.awt.Graphics2D g2,
                                   AxisState state,
                                   java.awt.geom.Rectangle2D dataArea,
                                   org.jfree.ui.RectangleEdge edge)
Creates a temporary list of ticks that can be used when drawing the axis.

Specified by:
refreshTicks in class Axis
Parameters:
g2 - the graphics device (used to get font measurements).
state - the axis state.
dataArea - the area inside the axes.
edge - the location of the axis.
Returns:
A list of ticks.

drawTickMarks

public void drawTickMarks(java.awt.Graphics2D g2,
                          double cursor,
                          java.awt.geom.Rectangle2D dataArea,
                          org.jfree.ui.RectangleEdge edge,
                          AxisState state)
Draws the tick marks.

Since:
1.0.13

createLabel

protected org.jfree.text.TextBlock createLabel(java.lang.Comparable category,
                                               float width,
                                               org.jfree.ui.RectangleEdge edge,
                                               java.awt.Graphics2D g2)
Creates a label.

Parameters:
category - the category.
width - the available width.
edge - the edge on which the axis appears.
g2 - the graphics device.
Returns:
A label.

calculateTextBlockWidth

protected double calculateTextBlockWidth(org.jfree.text.TextBlock block,
                                         CategoryLabelPosition position,
                                         java.awt.Graphics2D g2)
A utility method for determining the width of a text block.

Parameters:
block - the text block.
position - the position.
g2 - the graphics device.
Returns:
The width.

calculateTextBlockHeight

protected double calculateTextBlockHeight(org.jfree.text.TextBlock block,
                                          CategoryLabelPosition position,
                                          java.awt.Graphics2D g2)
A utility method for determining the height of a text block.

Parameters:
block - the text block.
position - the label position.
g2 - the graphics device.
Returns:
The height.

clone

public java.lang.Object clone()
                       throws java.lang.CloneNotSupportedException
Creates a clone of the axis.

Overrides:
clone in class Axis
Returns:
A clone.
Throws:
java.lang.CloneNotSupportedException - if some component of the axis does not support cloning.

equals

public boolean equals(java.lang.Object obj)
Tests this axis for equality with an arbitrary object.

Overrides:
equals in class Axis
Parameters:
obj - the object (null permitted).
Returns:
A boolean.

hashCode

public int hashCode()
Returns a hash code for this object.

Overrides:
hashCode in class java.lang.Object
Returns:
A hash code.

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