Module platform

Package org.jfree.chart.needle

Class MeterNeedle

java.lang.Object

org.jfree.chart.needle.MeterNeedle

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

ArrowNeedle, LineNeedle, LongNeedle, MiddlePinNeedle, PinNeedle, PlumNeedle, PointerNeedle, ShipNeedle

public abstract class MeterNeedle
extends Object
implements Serializable

The base class used to represent the needle on a CompassPlot.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected static AffineTransform	transform	A transform.

Constructor Summary

Constructors

Constructor	Description
MeterNeedle()	Creates a new needle.
MeterNeedle(Paint outline, Paint fill, Paint highlight)	Creates a new needle.

Method Summary

Modifier and Type	Method	Description
protected void	defaultDisplay(Graphics2D g2, Shape shape)	Displays a shape.
void	draw(Graphics2D g2, Rectangle2D plotArea)	Draws the needle.
void	draw(Graphics2D g2, Rectangle2D plotArea, double angle)	Draws the needle.
void	draw(Graphics2D g2, Rectangle2D plotArea, Point2D rotate, double angle)	Draws the needle.
protected abstract void	drawNeedle(Graphics2D g2, Rectangle2D plotArea, Point2D rotate, double angle)	Draws the needle.
boolean	equals(Object obj)	Tests another object for equality with this object.
Paint	getFillPaint()	Returns the fill paint.
Paint	getHighlightPaint()	Returns the highlight paint.
Paint	getOutlinePaint()	Returns the outline paint.
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.
AffineTransform	getTransform()	Returns the transform.
int	hashCode()	Returns a hash code for this instance.
void	setFillPaint(Paint p)	Sets the fill paint.
void	setHighlightPaint(Paint p)	Sets the highlight paint.
void	setOutlinePaint(Paint p)	Sets the outline paint.
void	setOutlineStroke(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.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Field Details

transform

protected static AffineTransform transform

A transform.

Constructor Details

MeterNeedle

public MeterNeedle()

Creates a new needle.

MeterNeedle

public MeterNeedle(Paint outline,
 Paint fill,
 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 Details

getOutlinePaint

public Paint getOutlinePaint()

Returns the outline paint.

Returns:

The outline paint.

setOutlinePaint

public void setOutlinePaint(Paint p)

Sets the outline paint.

Parameters:

p - the new paint.

getOutlineStroke

public Stroke getOutlineStroke()

Returns the outline stroke.

Returns:

The outline stroke.

setOutlineStroke

public void setOutlineStroke(Stroke s)

Sets the outline stroke.

Parameters:

s - the new stroke.

getFillPaint

public Paint getFillPaint()

Returns the fill paint.

Returns:

The fill paint.

setFillPaint

public void setFillPaint(Paint p)

Sets the fill paint.

Parameters:

p - the fill paint.

getHighlightPaint

public Paint getHighlightPaint()

Returns the highlight paint.

Returns:

The highlight paint.

setHighlightPaint

public void setHighlightPaint(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(Graphics2D g2,
 Rectangle2D plotArea)

Draws the needle.

Parameters:

g2 - the graphics device.

plotArea - the plot area.

draw

public void draw(Graphics2D g2,
 Rectangle2D plotArea,
 double angle)

Draws the needle.

Parameters:

g2 - the graphics device.

plotArea - the plot area.

angle - the angle.

draw

public void draw(Graphics2D g2,
 Rectangle2D plotArea,
 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(Graphics2D g2,
 Rectangle2D plotArea,
 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(Graphics2D g2,
 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 AffineTransform getTransform()

Returns the transform.

Returns:

The transform.

equals

public boolean equals(Object obj)

Tests another object for equality with this object.

Overrides:

equals in class 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 Object

Returns:

A hash code.