java.lang.Object
- org.jfree.chart.needle.MeterNeedle

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

ArrowNeedle, LineNeedle, LongNeedle, MiddlePinNeedle, PinNeedle, PlumNeedle, PointerNeedle, ShipNeedle
```
public abstract class MeterNeedle
extends java.lang.Object
implements java.io.Serializable
```
The base class used to represent the needle on a CompassPlot.

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type	Field	Description
`private java.awt.Paint`	`fillPaint`	The fill paint.
`private java.awt.Paint`	`highlightPaint`	The highlight paint.
`private java.awt.Paint`	`outlinePaint`	The outline paint.
`private java.awt.Stroke`	`outlineStroke`	The outline stroke.
`private double`	`rotateX`	Scalar to apply to locate the rotation x point.
`private double`	`rotateY`	Scalar to apply to locate the rotation y point.
`private static long`	`serialVersionUID`	For serialization.
`private int`	`size`	The size.
`protected static java.awt.geom.AffineTransform`	`transform`	A transform.

Constructor Summary

Constructors
Constructor	Description
`MeterNeedle()`	Creates a new needle.
`MeterNeedle(java.awt.Paint outline, java.awt.Paint fill, java.awt.Paint highlight)`	Creates a new needle.

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`protected void`	`defaultDisplay(java.awt.Graphics2D g2, java.awt.Shape shape)`	Displays a shape.
`void`	`draw(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D plotArea)`	Draws the needle.
`void`	`draw(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D plotArea, double angle)`	Draws the needle.
`void`	`draw(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D plotArea, java.awt.geom.Point2D rotate, double angle)`	Draws the needle.
`protected abstract void`	`drawNeedle(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D plotArea, java.awt.geom.Point2D rotate, double angle)`	Draws the needle.
`boolean`	`equals(java.lang.Object obj)`	Tests another object for equality with this object.
`java.awt.Paint`	`getFillPaint()`	Returns the fill paint.
`java.awt.Paint`	`getHighlightPaint()`	Returns the highlight paint.
`java.awt.Paint`	`getOutlinePaint()`	Returns the outline paint.
`java.awt.Stroke`	`getOutlineStroke()`	Returns the outline stroke.
`double`	`getRotateX()`	Returns the scalar used for determining the rotation x value.
`double`	`getRotateY()`	Returns the scalar used for determining the rotation y value.
`int`	`getSize()`	Returns the size.
`java.awt.geom.AffineTransform`	`getTransform()`	Returns the transform.
`int`	`hashCode()`	Returns a hash code for this instance.
`private void`	`readObject(java.io.ObjectInputStream stream)`	Provides serialization support.
`void`	`setFillPaint(java.awt.Paint p)`	Sets the fill paint.
`void`	`setHighlightPaint(java.awt.Paint p)`	Sets the highlight paint.
`void`	`setOutlinePaint(java.awt.Paint p)`	Sets the outline paint.
`void`	`setOutlineStroke(java.awt.Stroke s)`	Sets the outline stroke.
`void`	`setRotateX(double x)`	Sets the rotateX value.
`void`	`setRotateY(double y)`	Sets the rotateY value.
`void`	`setSize(int pixels)`	Sets the size.
`private void`	`writeObject(java.io.ObjectOutputStream stream)`	Provides serialization support.

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

- Field Detail
  - serialVersionUID
```
private static final long serialVersionUID
```
    For serialization.
    
    See Also:
    
    Constant Field Values
  - outlinePaint
```
private transient java.awt.Paint outlinePaint
```
    The outline paint.
  - outlineStroke
```
private transient java.awt.Stroke outlineStroke
```
    The outline stroke.
  - fillPaint
```
private transient java.awt.Paint fillPaint
```
    The fill paint.
  - highlightPaint
```
private transient java.awt.Paint highlightPaint
```
    The highlight paint.
  - size
```
private int size
```
    The size.
  - rotateX
```
private double rotateX
```
    Scalar to apply to locate the rotation x point.
  - rotateY
```
private double rotateY
```
    Scalar to apply to locate the rotation y point.
  - transform
```
protected static java.awt.geom.AffineTransform transform
```
    A transform.
- Constructor Detail
  - MeterNeedle
```
public MeterNeedle()
```
    Creates a new needle.
  - MeterNeedle
```
public MeterNeedle(java.awt.Paint outline,
                   java.awt.Paint fill,
                   java.awt.Paint highlight)
```
    Creates a new needle.
    
    Parameters:
    
    outline - the outline paint (null permitted).
    
    fill - the fill paint (null permitted).
    
    highlight - the highlight paint (null permitted).
- Method Detail
  - getOutlinePaint
```
public java.awt.Paint getOutlinePaint()
```
    Returns the outline paint.
    
    Returns:
    
    The outline paint.
  - setOutlinePaint
```
public void setOutlinePaint(java.awt.Paint p)
```
    Sets the outline paint.
    
    Parameters:
    
    p - the new paint.
  - getOutlineStroke
```
public java.awt.Stroke getOutlineStroke()
```
    Returns the outline stroke.
    
    Returns:
    
    The outline stroke.
  - setOutlineStroke
```
public void setOutlineStroke(java.awt.Stroke s)
```
    Sets the outline stroke.
    
    Parameters:
    
    s - the new stroke.
  - getFillPaint
```
public java.awt.Paint getFillPaint()
```
    Returns the fill paint.
    
    Returns:
    
    The fill paint.
  - setFillPaint
```
public void setFillPaint(java.awt.Paint p)
```
    Sets the fill paint.
    
    Parameters:
    
    p - the fill paint.
  - getHighlightPaint
```
public java.awt.Paint getHighlightPaint()
```
    Returns the highlight paint.
    
    Returns:
    
    The highlight paint.
  - setHighlightPaint
```
public void setHighlightPaint(java.awt.Paint p)
```
    Sets the highlight paint.
    
    Parameters:
    
    p - the highlight paint.
  - getRotateX
```
public double getRotateX()
```
    Returns the scalar used for determining the rotation x value.
    
    Returns:
    
    The x rotate scalar.
  - setRotateX
```
public void setRotateX(double x)
```
    Sets the rotateX value.
    
    Parameters:
    
    x - the new value.
  - setRotateY
```
public void setRotateY(double y)
```
    Sets the rotateY value.
    
    Parameters:
    
    y - the new value.
  - getRotateY
```
public double getRotateY()
```
    Returns the scalar used for determining the rotation y value.
    
    Returns:
    
    The y rotate scalar.
  - draw
```
public void draw(java.awt.Graphics2D g2,
                 java.awt.geom.Rectangle2D plotArea)
```
    Draws the needle.
    
    Parameters:
    
    g2 - the graphics device.
    
    plotArea - the plot area.
  - draw
```
public void draw(java.awt.Graphics2D g2,
                 java.awt.geom.Rectangle2D plotArea,
                 double angle)
```
    Draws the needle.
    
    Parameters:
    
    g2 - the graphics device.
    
    plotArea - the plot area.
    
    angle - the angle.
  - draw
```
public void draw(java.awt.Graphics2D g2,
                 java.awt.geom.Rectangle2D plotArea,
                 java.awt.geom.Point2D rotate,
                 double angle)
```
    Draws the needle.
    
    Parameters:
    
    g2 - the graphics device.
    
    plotArea - the plot area.
    
    rotate - the rotation point.
    
    angle - the angle.
  - drawNeedle
```
protected abstract void drawNeedle(java.awt.Graphics2D g2,
                                   java.awt.geom.Rectangle2D plotArea,
                                   java.awt.geom.Point2D rotate,
                                   double angle)
```
    Draws the needle.
    
    Parameters:
    
    g2 - the graphics device.
    
    plotArea - the plot area.
    
    rotate - the rotation point.
    
    angle - the angle.
  - defaultDisplay
```
protected void defaultDisplay(java.awt.Graphics2D g2,
                              java.awt.Shape shape)
```
    Displays a shape.
    
    Parameters:
    
    g2 - the graphics device.
    
    shape - the shape.
  - getSize
```
public int getSize()
```
    Returns the size.
    
    Returns:
    
    The size.
  - setSize
```
public void setSize(int pixels)
```
    Sets the size.
    
    Parameters:
    
    pixels - the new size.
  - getTransform
```
public java.awt.geom.AffineTransform getTransform()
```
    Returns the transform.
    
    Returns:
    
    The transform.
  - equals
```
public boolean equals(java.lang.Object obj)
```
    Tests another object for equality with this object.
    
    Overrides:
    
    equals in class java.lang.Object
    
    Parameters:
    
    obj - the object to test (null permitted).
    
    Returns:
    
    A boolean.
  - hashCode
```
public int hashCode()
```
    Returns a hash code for this instance.
    
    Overrides:
    
    hashCode in class java.lang.Object
    
    Returns:
    
    A hash code.
  - writeObject
```
private void writeObject(java.io.ObjectOutputStream stream)
                  throws java.io.IOException
```
    Provides serialization support.
    
    Parameters:
    
    stream - the output stream.
    
    Throws:
    
    java.io.IOException - if there is an I/O error.
  - readObject
```
private void readObject(java.io.ObjectInputStream stream)
                 throws java.io.IOException,
                        java.lang.ClassNotFoundException
```
    Provides serialization support.
    
    Parameters:
    
    stream - the input stream.
    
    Throws:
    
    java.io.IOException - if there is an I/O error.
    
    java.lang.ClassNotFoundException - if there is a classpath problem.

Class MeterNeedle

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

serialVersionUID

outlinePaint

outlineStroke

fillPaint

highlightPaint

size

rotateX

rotateY

transform

Constructor Detail

MeterNeedle

MeterNeedle

Method Detail

getOutlinePaint

setOutlinePaint

getOutlineStroke

setOutlineStroke

getFillPaint

setFillPaint

getHighlightPaint

setHighlightPaint

getRotateX

setRotateX

setRotateY

getRotateY

draw

draw

draw

drawNeedle

defaultDisplay

getSize

setSize

getTransform

equals

hashCode

writeObject

readObject