Java Doc for CategoryPointerAnnotation.java in  » Chart » jfreechart » org » jfree » chart » annotations » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Chart » jfreechart » org.jfree.chart.annotations 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.jfree.chart.annotations.TextAnnotation
      org.jfree.chart.annotations.CategoryTextAnnotation
         org.jfree.chart.annotations.CategoryPointerAnnotation

CategoryPointerAnnotation
public class CategoryPointerAnnotation extends CategoryTextAnnotation implements Cloneable,PublicCloneable,Serializable(Code)
An arrow and label that can be placed on a CategoryPlot . The arrow is drawn at a user-definable angle so that it points towards the (category, value) location for the annotation.

The arrow length (and its offset from the (category, value) location) is controlled by the tip radius and the base radius attributes. Imagine two circles around the (category, value) coordinate: the inner circle defined by the tip radius, and the outer circle defined by the base radius. Now, draw the arrow starting at some point on the outer circle (the point is determined by the angle), with the arrow tip being drawn at a corresponding point on the inner circle.
since:
   1.0.3



Field Summary
final public static  doubleDEFAULT_ARROW_LENGTH
     The default arrow length (in Java2D units).
final public static  doubleDEFAULT_ARROW_WIDTH
     The default arrow width (in Java2D units).
final public static  doubleDEFAULT_BASE_RADIUS
     The default base radius (in Java2D units).
final public static  doubleDEFAULT_LABEL_OFFSET
     The default label offset (in Java2D units).
final public static  doubleDEFAULT_TIP_RADIUS
     The default tip radius (in Java2D units).

Constructor Summary
public  CategoryPointerAnnotation(String label, Comparable key, double value, double angle)
     Creates a new label and arrow annotation.

Method Summary
public  Objectclone()
     Returns a clone of the annotation.
public  voiddraw(Graphics2D g2, CategoryPlot plot, Rectangle2D dataArea, CategoryAxis domainAxis, ValueAxis rangeAxis)
     Draws the annotation.
public  booleanequals(Object obj)
     Tests this annotation for equality with an arbitrary object.
Parameters:
  obj - the object (null permitted).
public  doublegetAngle()
     Returns the angle of the arrow.
public  doublegetArrowLength()
     Returns the arrow length.
public  PaintgetArrowPaint()
     Returns the paint used for the arrow.
public  StrokegetArrowStroke()
     Returns the stroke used to draw the arrow line.
public  doublegetArrowWidth()
     Returns the arrow width.
public  doublegetBaseRadius()
     Returns the base radius.
public  doublegetLabelOffset()
     Returns the label offset.
public  doublegetTipRadius()
     Returns the tip radius.
public  inthashCode()
     Returns a hash code for this instance.
public  voidsetAngle(double angle)
     Sets the angle of the arrow.
public  voidsetArrowLength(double length)
     Sets the arrow length.
public  voidsetArrowPaint(Paint paint)
     Sets the paint used for the arrow.
public  voidsetArrowStroke(Stroke stroke)
     Sets the stroke used to draw the arrow line.
public  voidsetArrowWidth(double width)
     Sets the arrow width.
public  voidsetBaseRadius(double radius)
     Sets the base radius.
public  voidsetLabelOffset(double offset)
     Sets the label offset (from the arrow base, continuing in a straight line, in Java2D units).
public  voidsetTipRadius(double radius)
     Sets the tip radius.

Field Detail
DEFAULT_ARROW_LENGTH
final public static double DEFAULT_ARROW_LENGTH(Code)
The default arrow length (in Java2D units).



DEFAULT_ARROW_WIDTH
final public static double DEFAULT_ARROW_WIDTH(Code)
The default arrow width (in Java2D units).



DEFAULT_BASE_RADIUS
final public static double DEFAULT_BASE_RADIUS(Code)
The default base radius (in Java2D units).



DEFAULT_LABEL_OFFSET
final public static double DEFAULT_LABEL_OFFSET(Code)
The default label offset (in Java2D units).



DEFAULT_TIP_RADIUS
final public static double DEFAULT_TIP_RADIUS(Code)
The default tip radius (in Java2D units).




Constructor Detail
CategoryPointerAnnotation
public CategoryPointerAnnotation(String label, Comparable key, double value, double angle)(Code)
Creates a new label and arrow annotation.
Parameters:
  label - the label (null permitted).
Parameters:
  key - the category key.
Parameters:
  value - the y-value (measured against the chart's range axis).
Parameters:
  angle - the angle of the arrow's line (in radians).




Method Detail
clone
public Object clone() throws CloneNotSupportedException(Code)
Returns a clone of the annotation. A clone.
throws:
  CloneNotSupportedException - if the annotation can't be cloned.



draw
public void draw(Graphics2D g2, CategoryPlot plot, Rectangle2D dataArea, CategoryAxis domainAxis, ValueAxis rangeAxis)(Code)
Draws the annotation.
Parameters:
  g2 - the graphics device.
Parameters:
  plot - the plot.
Parameters:
  dataArea - the data area.
Parameters:
  domainAxis - the domain axis.
Parameters:
  rangeAxis - the range axis.



equals
public boolean equals(Object obj)(Code)
Tests this annotation for equality with an arbitrary object.
Parameters:
  obj - the object (null permitted). true or false.



getAngle
public double getAngle()(Code)
Returns the angle of the arrow. The angle (in radians).
See Also:   CategoryPointerAnnotation.setAngle(double)



getArrowLength
public double getArrowLength()(Code)
Returns the arrow length. The arrow length.
See Also:   CategoryPointerAnnotation.setArrowLength(double)



getArrowPaint
public Paint getArrowPaint()(Code)
Returns the paint used for the arrow. The arrow paint (never null).
See Also:   CategoryPointerAnnotation.setArrowPaint(Paint)



getArrowStroke
public Stroke getArrowStroke()(Code)
Returns the stroke used to draw the arrow line. The arrow stroke (never null).
See Also:   CategoryPointerAnnotation.setArrowStroke(Stroke)



getArrowWidth
public double getArrowWidth()(Code)
Returns the arrow width. The arrow width (in Java2D units).
See Also:   CategoryPointerAnnotation.setArrowWidth(double)



getBaseRadius
public double getBaseRadius()(Code)
Returns the base radius. The base radius (in Java2D units).
See Also:   CategoryPointerAnnotation.setBaseRadius(double)



getLabelOffset
public double getLabelOffset()(Code)
Returns the label offset. The label offset (in Java2D units).
See Also:   CategoryPointerAnnotation.setLabelOffset(double)



getTipRadius
public double getTipRadius()(Code)
Returns the tip radius. The tip radius (in Java2D units).
See Also:   CategoryPointerAnnotation.setTipRadius(double)



hashCode
public int hashCode()(Code)
Returns a hash code for this instance. A hash code.



setAngle
public void setAngle(double angle)(Code)
Sets the angle of the arrow.
Parameters:
  angle - the angle (in radians).
See Also:   CategoryPointerAnnotation.getAngle()



setArrowLength
public void setArrowLength(double length)(Code)
Sets the arrow length.
Parameters:
  length - the length.
See Also:   CategoryPointerAnnotation.getArrowLength()



setArrowPaint
public void setArrowPaint(Paint paint)(Code)
Sets the paint used for the arrow.
Parameters:
  paint - the arrow paint (null not permitted).
See Also:   CategoryPointerAnnotation.getArrowPaint()



setArrowStroke
public void setArrowStroke(Stroke stroke)(Code)
Sets the stroke used to draw the arrow line.
Parameters:
  stroke - the stroke (null not permitted).
See Also:   CategoryPointerAnnotation.getArrowStroke()



setArrowWidth
public void setArrowWidth(double width)(Code)
Sets the arrow width.
Parameters:
  width - the width (in Java2D units).
See Also:   CategoryPointerAnnotation.getArrowWidth()



setBaseRadius
public void setBaseRadius(double radius)(Code)
Sets the base radius.
Parameters:
  radius - the radius (in Java2D units).
See Also:   CategoryPointerAnnotation.getBaseRadius()



setLabelOffset
public void setLabelOffset(double offset)(Code)
Sets the label offset (from the arrow base, continuing in a straight line, in Java2D units).
Parameters:
  offset - the offset (in Java2D units).
See Also:   CategoryPointerAnnotation.getLabelOffset()



setTipRadius
public void setTipRadius(double radius)(Code)
Sets the tip radius.
Parameters:
  radius - the radius (in Java2D units).
See Also:   CategoryPointerAnnotation.getTipRadius()



Methods inherited from org.jfree.chart.annotations.CategoryTextAnnotation
public Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public void draw(Graphics2D g2, CategoryPlot plot, Rectangle2D dataArea, CategoryAxis domainAxis, ValueAxis rangeAxis)(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
public Comparable getCategory()(Code)(Java Doc)
public CategoryAnchor getCategoryAnchor()(Code)(Java Doc)
public double getValue()(Code)(Java Doc)
public int hashCode()(Code)(Java Doc)
public void setCategory(Comparable category)(Code)(Java Doc)
public void setCategoryAnchor(CategoryAnchor anchor)(Code)(Java Doc)
public void setValue(double value)(Code)(Java Doc)

Fields inherited from org.jfree.chart.annotations.TextAnnotation
final public static Font DEFAULT_FONT(Code)(Java Doc)
final public static Paint DEFAULT_PAINT(Code)(Java Doc)
final public static TextAnchor DEFAULT_ROTATION_ANCHOR(Code)(Java Doc)
final public static double DEFAULT_ROTATION_ANGLE(Code)(Java Doc)
final public static TextAnchor DEFAULT_TEXT_ANCHOR(Code)(Java Doc)

Methods inherited from org.jfree.chart.annotations.TextAnnotation
public boolean equals(Object obj)(Code)(Java Doc)
public Font getFont()(Code)(Java Doc)
public Paint getPaint()(Code)(Java Doc)
public TextAnchor getRotationAnchor()(Code)(Java Doc)
public double getRotationAngle()(Code)(Java Doc)
public String getText()(Code)(Java Doc)
public TextAnchor getTextAnchor()(Code)(Java Doc)
public int hashCode()(Code)(Java Doc)
public void setFont(Font font)(Code)(Java Doc)
public void setPaint(Paint paint)(Code)(Java Doc)
public void setRotationAnchor(TextAnchor anchor)(Code)(Java Doc)
public void setRotationAngle(double angle)(Code)(Java Doc)
public void setText(String text)(Code)(Java Doc)
public void setTextAnchor(TextAnchor anchor)(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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