org.swtchart.internal.series

Class ErrorBar

java.lang.Object

org.swtchart.internal.series.ErrorBar

All Implemented Interfaces:

IErrorBar

public class ErrorBar
extends java.lang.Object
implements IErrorBar

The error bar.

Nested Class Summary

Nested classes/interfaces inherited from interface org.swtchart.IErrorBar

IErrorBar.ErrorBarType

Field Summary

Fields

Modifier and Type	Field and Description
private org.eclipse.swt.graphics.Color	color the color
private static int	DEFAULT_COLOR the default color
private static double	DEFAULT_ERROR the default error
private static int	DEFAULT_LINE_WIDTH the default line width
private static IErrorBar.ErrorBarType	DEFAULT_TYPE the default error bar type
private double	error the error
private boolean	isVisible the visibility state
private int	lineWidth the line width
private double[]	minusErrors the minus errors
private double[]	plusErrors the plus errors
private IErrorBar.ErrorBarType	type the error bar type

Constructor Summary

Constructors

Constructor and Description
ErrorBar() The constructor.

Method Summary

Modifier and Type	Method and Description
private void	draw(org.eclipse.swt.graphics.GC gc, int h, int v, Axis axis, double plusError, double minusError) Draws the error bar.
protected void	draw(org.eclipse.swt.graphics.GC gc, int h, int v, Axis axis, int seriesIndex) Draws error bar.
org.eclipse.swt.graphics.Color	getColor() Gets the error bar color.
double	getError() Gets the error.
int	getLineWidth() Gets the line width to draw error bar.
double[]	getMinusErrors() Gets the minus errors.
double[]	getPlusErrors() Gets the plus errors.
IErrorBar.ErrorBarType	getType() Gets the error type.
boolean	isVisible() Gets the visibility state.
void	setColor(org.eclipse.swt.graphics.Color color) Sets the error bar color.
void	setError(double error) Sets the error.
void	setLineWidth(int width) Sets the line width to draw error bar.
void	setMinusErrors(double[] errors) Sets the minus errors.
void	setPlusErrors(double[] errors) Sets the plus errors.
void	setType(IErrorBar.ErrorBarType type) Sets the error type.
void	setVisible(boolean visible) Sets the visibility state.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_LINE_WIDTH

private static final int DEFAULT_LINE_WIDTH

the default line width

See Also:

Constant Field Values

DEFAULT_ERROR

private static final double DEFAULT_ERROR

the default error

See Also:

Constant Field Values

DEFAULT_COLOR

private static final int DEFAULT_COLOR

the default color

See Also:

Constant Field Values

DEFAULT_TYPE

private static final IErrorBar.ErrorBarType DEFAULT_TYPE

the default error bar type

color

private org.eclipse.swt.graphics.Color color

the color

lineWidth

private int lineWidth

the line width

error

private double error

the error

plusErrors

private double[] plusErrors

the plus errors

minusErrors

private double[] minusErrors

the minus errors

type

private IErrorBar.ErrorBarType type

the error bar type

isVisible

private boolean isVisible

the visibility state

Constructor Detail

ErrorBar

public ErrorBar()

The constructor.

Method Detail

getType

public IErrorBar.ErrorBarType getType()

Description copied from interface: IErrorBar

Gets the error type.

Specified by:

getType in interface IErrorBar

Returns:

the error type

setType

public void setType(IErrorBar.ErrorBarType type)

Description copied from interface: IErrorBar

Sets the error type.

Specified by:

setType in interface IErrorBar

Parameters:

type - the error type

getColor

public org.eclipse.swt.graphics.Color getColor()

Description copied from interface: IErrorBar

Gets the error bar color. The default color is dark gray.

Specified by:

getColor in interface IErrorBar

Returns:

the error bar color

setColor

public void setColor(org.eclipse.swt.graphics.Color color)

Description copied from interface: IErrorBar

Sets the error bar color. If null is given, default color will be set.

Specified by:

setColor in interface IErrorBar

Parameters:

color - the error bar color

getLineWidth

public int getLineWidth()

Description copied from interface: IErrorBar

Gets the line width to draw error bar.

Specified by:

getLineWidth in interface IErrorBar

Returns:

the line width to draw error bar

setLineWidth

public void setLineWidth(int width)

Description copied from interface: IErrorBar

Sets the line width to draw error bar. The default line width is 1.

Specified by:

setLineWidth in interface IErrorBar

Parameters:

width - line width to draw error bar

getError

public double getError()

Description copied from interface: IErrorBar

Gets the error.

Specified by:

getError in interface IErrorBar

Returns:

the error

setError

public void setError(double error)

Description copied from interface: IErrorBar

Sets the error.

If errors have been set with IErrorBar.getPlusErrors() or IErrorBar.getMinusErrors(), the value set with this method won't be used.

Specified by:

setError in interface IErrorBar

Parameters:

error - the error

getPlusErrors

public double[] getPlusErrors()

Description copied from interface: IErrorBar

Gets the plus errors.

Specified by:

getPlusErrors in interface IErrorBar

Returns:

the plus errors, or empty array if errors are not set.

setPlusErrors

public void setPlusErrors(double[] errors)

Description copied from interface: IErrorBar

Sets the plus errors.

Specified by:

setPlusErrors in interface IErrorBar

Parameters:

errors - the plus errors

getMinusErrors

public double[] getMinusErrors()

Description copied from interface: IErrorBar

Gets the minus errors.

Specified by:

getMinusErrors in interface IErrorBar

Returns:

the minus errors, or empty array if errors are not set.

setMinusErrors

public void setMinusErrors(double[] errors)

Description copied from interface: IErrorBar

Sets the minus errors.

Specified by:

setMinusErrors in interface IErrorBar

Parameters:

errors - the minus errors

isVisible

public boolean isVisible()

Description copied from interface: IErrorBar

Gets the visibility state.

Specified by:

isVisible in interface IErrorBar

Returns:

true if error bar is visible

setVisible

public void setVisible(boolean visible)

Description copied from interface: IErrorBar

Sets the visibility state.

Specified by:

setVisible in interface IErrorBar

Parameters:

visible - the visibility state

draw

protected void draw(org.eclipse.swt.graphics.GC gc,
                    int h,
                    int v,
                    Axis axis,
                    int seriesIndex)

Draws error bar.

Parameters:

gc - the graphics context

h - the horizontal coordinate to draw error bar

v - the vertical coordinate to draw error bar

axis - the x axis

seriesIndex - the series index

draw

private void draw(org.eclipse.swt.graphics.GC gc,
                  int h,
                  int v,
                  Axis axis,
                  double plusError,
                  double minusError)

Draws the error bar.

Parameters:

gc - the graphics context

h - the horizontal coordinate to draw error bar

v - the vertical coordinate to draw error bar

axis - the axis

plusError - the plus error

minusError - the minus error