com.ijchart.xychart.shape
Class AbstractChartShape

java.lang.Object
  com.ijchart.xychart.shape.AbstractChartShape

All Implemented Interfaces:

IChartShapeChangeListener, IChartShape, java.io.Serializable, java.lang.Cloneable, java.util.EventListener

Direct Known Subclasses:

AbstractImageChartShape, AbstractTextChartShape, ErrorCrossChartShape, IShapedChartShape, LegendItemChartShape, LineChartShape, MeterArcChartShape, MinMaxChartShape, PaintScaleLegendChartShape

public abstract class AbstractChartShape
extends java.lang.Object
implements IChartShape, java.lang.Cloneable, java.io.Serializable, IChartShapeChangeListener

Title: IJChart

Description: a chart library for the Java(tm) platform.

A base class for handling the drawing of IChartShape.

Copyright: Copyright (c) 2013

Company:

Version:

1.0

Author:

zhang feng min,shanghai china. Contract me by email.

See Also:

Serialized Form

Field Summary

static ChartShapeDrawType	DEFAULT_DRAW_TYPE The default chart shape draw type.
static int	DEFAULT_SHAPE_ID The default shape id.
static boolean	DEFAULT_VISIBLE A default flag controls whether or not the ChartShape can be selected.
protected java.awt.Shape	transformedShape The transformed shape for calculate whether or not contains a point.

Fields inherited from interface com.ijchart.xychart.shape.IChartShape

DEFAULT_BORDER_PAINT, DEFAULT_BORDER_STROKE, DEFAULT_CONTENT_PAINT, DEFAULT_DRAW_BORDER, DEFAULT_FILL_ALPHA, DEFAULT_FILL_PAINT, DEFAULT_FILL_SHAPE, DEFAULT_GRADIENT_PAINT_TRANSFORM_TYPE, DEFAULT_MARGIN, DEFAULT_SELECT_FILL_PAINT, DEFAULT_SELECT_RECT_ALPHA, DEFAULT_SELECT_RECT_WIDTH, DEFAULT_SELECTED, DEFAULT_TEXT_FONT, DEFAULT_TOOLTIP_SHAPE_WIDTH, HOTSPOT_TYPE_CIRCLE, HOTSPOT_TYPE_POLYGON, HOTSPOT_TYPE_RECTANGLE

Constructor Summary

protected

AbstractChartShape() No argument constructor.

Method Summary

void	addChangeListener(IChartShapeChangeListener listener) Registers an object for notification of changes to the IChartShape.
protected void	afterDraw(java.awt.Graphics2D g2) Call the afterDraw method of class IShapeChange.
protected void	beforeDraw(java.awt.Graphics2D g2) Call the beforeDraw method of class IShapeChange.
protected abstract void	calculateTransformedShape() Calculate the transformed shape.
void	chartShapeChanged(ChartShapeChangeEvent event) Receives notification of an IChartShape change event.
java.lang.Object	clone() Creates and returns a copy of this object.
boolean	contains(double x, double y) Tests if a specified Point2D is inside the boundary of the ChartShape.
boolean	contains(java.awt.geom.Point2D point) Tests if a specified Point2D is inside the boundary of the ChartShape.
protected void	drawAnchorByPoints(java.awt.Graphics2D g2, double translateX, double translateY, java.awt.geom.Point2D.Double[] points) Draw anchor by the coordinates of points.
protected void	drawBackground(java.awt.Graphics2D g2, java.awt.Shape drawArea) Draw background color.
protected void	drawBorder(java.awt.Graphics2D g2, java.awt.Shape drawArea) Draw border.
protected abstract void	drawSelect(java.awt.Graphics2D g2) Draw the selected ChartShape on a Java 2d graphics device(such as the screen or the printer).
protected void	drawShapeBorder(java.awt.Graphics2D g2, java.awt.Shape shape) Outline this shape.
boolean	equals(java.lang.Object obj) Indicates if some other object is "equal to" this one.
protected void	fillShape(java.awt.Graphics2D g2, java.awt.Paint fillPaint, java.awt.Shape shape) Fill this shape.
protected void	fireChartShapeChanged() Notifies all registered listeners that the chart shape has changed.
void	forceChartShapeChanged() If the data object of IChartShape changed and no event triggered,set IChartShape changed by this method.
java.awt.Paint	getBorderPaint() Get the ChartShape border Paint.
java.awt.Stroke	getBorderStroke() Get the ChartShape border Stroke.
java.awt.geom.Rectangle2D	getBound() Returns a Rectangle2D that completely encloses the Shape.
IChartData	getData() Returns the IChartData object.
float	getFillAlpha() Returns the alpha value for fill background.
java.awt.Paint	getFillPaint() Get the ChartShape fill paint.
GradientPaintTransformType	getGradientPaintTransformType() Get the ChartShape GradientPaintTransformType type.
java.lang.String	getHotspotPolyCoords(java.awt.Shape parentClipArea) Returns a string containing the coordinates for a given shape.This string is intended for use in an image map.
protected abstract java.awt.Shape	getHotspotShape() Returns the hotspot shape.
java.lang.String	getHotspotType() Returns the shape type of hotspot.
protected java.lang.String	getHotspotType(java.awt.Shape shape) Returns the shape type of hotspot.
int	getId() Returns the ID.
java.awt.geom.Point2D	getLockPoint() Returns the lock coordinates of this shape.
RectangleInsets	getMargin() Returns the margin around the inside of the block.
java.awt.Shape	getOriginTooltipShape() Returns the original tooltip shape.
double	getRotate() Return the angle of rotation in radians.
java.awt.Paint	getSelectAnchorPaint() Returns the anchor Paint of selected ChartShape.
float	getSelectRectAlpha() Returns the anchor rectangle alpha value of selected ChartShape.
double	getSelectRectWidth() Returns the anchor rectangle width of selected ChartShape.
IShapeChange	getShapeChange() Returns the IShapeChange object.
ChartShapeDrawType	getShapeDrawType() Returns the chart shape draw type.
java.awt.Shape	getTooltipShape() Returns the tooltip shape.
protected double	getTooltipShapeRotate() Returns the angle of rotation of the tooltip shape.
protected java.awt.geom.Point2D	getTooltipShapeTranslatePoint() Returns the translate point of tooltip shape.
java.lang.String	getTooltipText() Returns the tooltip text.
java.lang.String	getURL() Returns the URL text.
int	hashCode() Returns a hash code value for the object.
boolean	hasListener(IChartShapeChangeListener listener) Returns true if the specified object is registered with the IChartShape as a listener.
boolean	isDrawBorder() A flag that controls whether or not the shape border is visible.
boolean	isFillShape() A flag that controls whether or not the shape is filled.
boolean	isSelected() Returns whether or not this shape is selected.
boolean	isVisible() Returns whether or not the shape is visible.
protected void	notifyListeners(ChartShapeChangeEvent event) Notifies all registered listeners that the chart shape has changed.
void	removeAllChangeListener() Deregisters all object for notification of changes to the IChartShape.
void	removeChangeListener(IChartShapeChangeListener listener) Deregisters an object for notification of changes to the IChartShape.
void	setBorderPaint(java.awt.Paint paint) Sets the shape border Paint and sends a ChartShapeChangeEvent to all registered listeners.
void	setBorderStroke(java.awt.Stroke stroke) Sets the shape border Stroke and sends a ChartShapeChangeEvent to all registered listeners.
void	setData(IChartData data) Sets the IChartData object and sends a ChartShapeChangeEvent to all registered listeners.
void	setDrawBorder(boolean flag) Sets a flag that controls whether or not the shape border is visible and sends a ChartShapeChangeEvent to all registered listeners.
void	setFillAlpha(float alpha) The alpha value for fill background and sends a ChartShapeChangeEvent to all registered listeners.
void	setFillPaint(java.awt.Paint paint) Sets the shape fill Paint and sends a ChartShapeChangeEvent to all registered listeners.
void	setFillShape(boolean bFillShape) Sets a flag that controls whether or not the shape is filled,and sends a ChartShapeChangeEvent to all registered listeners.
void	setGradientPaintTransformType(GradientPaintTransformType transformType) Sets the ChartShape GradientPaintTransformType type,use only when fill Paint is GradientPaint,and sends a ChartShapeChangeEvent to all registered listeners.
void	setId(int shapeId) Sets an ID for this shape,the shape ID is unique and continuous in a chart.
void	setMargin(RectangleInsets margin) Sets the margin around the inside of the block,and sends a ChartShapeChangeEvent to all registered listeners.
void	setOriginTooltipShape(java.awt.Shape shape) Sets the original tooltip shape.
void	setRotate(double theta) Sets the anchor Paint of selected ChartShape,and sends a ChartShapeChangeEvent to all registered listeners.
void	setSelected(boolean flag) Sets a flag controls whether or not the shape is selected,and sends a ChartShapeChangeEvent to all registered listeners.
void	setSelectRectAlpha(float selectRectAlpha) Sets the anchor rectangle alpha value of selected ChartShape,and sends a ChartShapeChangeEvent to all registered listeners.
void	setSelectRectWidth(double width) Sets the anchor rectangle width of selected ChartShape,and sends a ChartShapeChangeEvent to all registered listeners.
void	setShapeChange(IShapeChange change) Sets the IShapeChange object.
void	setShapeDrawType(ChartShapeDrawType drawType) Sets the chart shape draw type and sends a ChartShapeChangeEvent to all registered listeners.
void	setTooltipText(java.lang.String tooltip) Sets the tooltip text.
void	setURL(java.lang.String url) Sets the URL text.
void	setVisible(boolean flag) Sets whether or not the shape is visible and sends a ChartShapeChangeEvent to all registered listeners.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.ijchart.xychart.shape.IChartShape

draw, getShapeType, getTopLeftPoint, translate

Field Detail

DEFAULT_SHAPE_ID

public static final int DEFAULT_SHAPE_ID

The default shape id.

See Also:

Constant Field Values

DEFAULT_DRAW_TYPE

public static final ChartShapeDrawType DEFAULT_DRAW_TYPE

The default chart shape draw type.

DEFAULT_VISIBLE

public static final boolean DEFAULT_VISIBLE

A default flag controls whether or not the ChartShape can be selected.

See Also:

Constant Field Values

transformedShape

protected transient java.awt.Shape transformedShape

The transformed shape for calculate whether or not contains a point.

Constructor Detail

AbstractChartShape

protected AbstractChartShape()

No argument constructor.

Method Detail

setId

public void setId(int shapeId)

Sets an ID for this shape,the shape ID is unique and continuous in a chart.

Specified by:

setId in interface IChartShape

Parameters:

shapeId - int

getId

public int getId()

Returns the ID.

Specified by:

getId in interface IChartShape

Returns:

int The shape ID.

getFillPaint

public java.awt.Paint getFillPaint()

Get the ChartShape fill paint.

Specified by:

getFillPaint in interface IChartShape

Returns:

Paint The ChartShape fill paint.

getGradientPaintTransformType

public GradientPaintTransformType getGradientPaintTransformType()

Get the ChartShape GradientPaintTransformType type.

Specified by:

getGradientPaintTransformType in interface IChartShape

Returns:

GradientPaintTransformType

getBorderPaint

public java.awt.Paint getBorderPaint()

Get the ChartShape border Paint.

Specified by:

getBorderPaint in interface IChartShape

Returns:

Paint The border Paint.

getBorderStroke

public java.awt.Stroke getBorderStroke()

Get the ChartShape border Stroke.

Specified by:

getBorderStroke in interface IChartShape

Returns:

Stroke The border Stroke.

isDrawBorder

public boolean isDrawBorder()

A flag that controls whether or not the shape border is visible.

Specified by:

isDrawBorder in interface IChartShape

Returns:

boolean A boolean flag.

isFillShape

public boolean isFillShape()

A flag that controls whether or not the shape is filled.

Specified by:

isFillShape in interface IChartShape

Returns:

boolean A boolean flag.

setDrawBorder

public void setDrawBorder(boolean flag)

Sets a flag that controls whether or not the shape border is visible and sends a ChartShapeChangeEvent to all registered listeners.

Specified by:

setDrawBorder in interface IChartShape

Parameters:

flag - boolean true,draw the border of the shape;false otherwise.

setFillPaint

public void setFillPaint(java.awt.Paint paint)

Sets the shape fill Paint and sends a ChartShapeChangeEvent to all registered listeners.

Specified by:

setFillPaint in interface IChartShape

Parameters:

paint - Paint The ChartShape fill Paint(null not permitted).

setFillShape

public void setFillShape(boolean bFillShape)

Sets a flag that controls whether or not the shape is filled,and sends a ChartShapeChangeEvent to all registered listeners.

Specified by:

setFillShape in interface IChartShape

Parameters:

bFillShape - boolean true,fill the shape;false otherwise.

setGradientPaintTransformType

public void setGradientPaintTransformType(GradientPaintTransformType transformType)

Sets the ChartShape GradientPaintTransformType type,use only when fill Paint is GradientPaint,and sends a ChartShapeChangeEvent to all registered listeners.

Specified by:

setGradientPaintTransformType in interface IChartShape

Parameters:

transformType - GradientPaintTransformType The gradient paint transform type (null permitted).

setBorderPaint

public void setBorderPaint(java.awt.Paint paint)

Sets the shape border Paint and sends a ChartShapeChangeEvent to all registered listeners.

Specified by:

setBorderPaint in interface IChartShape

Parameters:

paint - Paint The ChartShape border Paint(null not permitted).

setBorderStroke

public void setBorderStroke(java.awt.Stroke stroke)

Sets the shape border Stroke and sends a ChartShapeChangeEvent to all registered listeners.

Specified by:

setBorderStroke in interface IChartShape

Parameters:

stroke - Stroke The ChartShape border Stroke(null not permitted).

setRotate

public void setRotate(double theta)

Concatenates the current Graphics2D Transform with a rotation transform,and sends a ChartShapeChangeEvent to all registered listeners. Subsequent rendering is rotated by the specified radians relative to the previous origin.This is equivalent to calling transform(R), where R is an AffineTransform represented by the following matrix:

                [   cos(theta)    -sin(theta)    0   ]
                [   sin(theta)     cos(theta)    0   ]
                [       0              0         1   ]
 

Rotating with a positive angle theta rotates points on the positive x axis toward the positive y axis.

Specified by:

setRotate in interface IChartShape

Parameters:

theta - the angle of rotation in radians.

setSelected

public void setSelected(boolean flag)

Sets a flag controls whether or not the shape is selected,and sends a ChartShapeChangeEvent to all registered listeners.

Specified by:

setSelected in interface IChartShape

Parameters:

flag - boolean A boolean.

getRotate

public double getRotate()

Return the angle of rotation in radians.

Specified by:

getRotate in interface IChartShape

Returns:

double The angle of rotation in radians.

isSelected

public boolean isSelected()

Returns whether or not this shape is selected.

Specified by:

isSelected in interface IChartShape

Returns:

boolean A boolean.

getOriginTooltipShape

public java.awt.Shape getOriginTooltipShape()

Returns the original tooltip shape.

Specified by:

getOriginTooltipShape in interface IChartShape

Returns:

Shape A shape (null permitted).

setOriginTooltipShape

public void setOriginTooltipShape(java.awt.Shape shape)

Sets the original tooltip shape.

Specified by:

setOriginTooltipShape in interface IChartShape

Parameters:

shape - Shape A shape (null permitted).

getTooltipShape

public java.awt.Shape getTooltipShape()

Returns the tooltip shape.

Specified by:

getTooltipShape in interface IChartShape

Returns:

Shape A shape (null permitted).

getTooltipShapeTranslatePoint

protected java.awt.geom.Point2D getTooltipShapeTranslatePoint()

Returns the translate point of tooltip shape.

Returns:

Point2D The translate point (null permitted).

getTooltipShapeRotate

protected double getTooltipShapeRotate()

Returns the angle of rotation of the tooltip shape.

Returns:

double The angle of rotation (in radians).

setSelectRectWidth

public void setSelectRectWidth(double width)

Sets the anchor rectangle width of selected ChartShape,and sends a ChartShapeChangeEvent to all registered listeners.

Parameters:

width - double The width,must greater than 0.

setSelectAnchorPaint

public void setSelectAnchorPaint(java.awt.Paint selectAnchorPaint)

Sets the anchor Paint of selected ChartShape,and sends a ChartShapeChangeEvent to all registered listeners.

Parameters:

selectAnchorPaint - Paint null not permitted.

getSelectRectWidth

public double getSelectRectWidth()

Returns the anchor rectangle width of selected ChartShape.

Returns:

double The width,must greater than 0.

getSelectAnchorPaint

public java.awt.Paint getSelectAnchorPaint()

Returns the anchor Paint of selected ChartShape.

Returns:

Paint

contains

public boolean contains(java.awt.geom.Point2D point)

Tests if a specified Point2D is inside the boundary of the ChartShape.

Specified by:

contains in interface IChartShape

Parameters:

point - Point2D The position,maybe a mouse point (null not permitted).

Returns:

boolean Returns true if this shape contains point(x,y),otherwise return false.

contains

public boolean contains(double x,
                        double y)

Tests if a specified Point2D is inside the boundary of the ChartShape.

Specified by:

contains in interface IChartShape

Parameters:

x - double the x position.

y - double the y position.

Returns:

boolean Returns true if this shape contains point(x,y),otherwise return false.

calculateTransformedShape

protected abstract void calculateTransformedShape()

Calculate the transformed shape.

setMargin

public void setMargin(RectangleInsets margin)

Sets the margin around the inside of the block,and sends a ChartShapeChangeEvent to all registered listeners.

Parameters:

margin - RectangleInsets The margin around the inside of the block (null permitted).

getMargin

public RectangleInsets getMargin()

Returns the margin around the inside of the block.

Returns:

RectangleInsets The margin around the inside of the block.

setSelectRectAlpha

public void setSelectRectAlpha(float selectRectAlpha)

Sets the anchor rectangle alpha value of selected ChartShape,and sends a ChartShapeChangeEvent to all registered listeners.

Parameters:

selectRectAlpha - float The alpha value,must be a floating point number in the inclusive range [0.0,1.0].

getSelectRectAlpha

public float getSelectRectAlpha()

Returns the anchor rectangle alpha value of selected ChartShape.

Returns:

float The alpha valuea floating point number in the inclusive range [0.0,1.0].

setFillAlpha

public void setFillAlpha(float alpha)

The alpha value for fill background and sends a ChartShapeChangeEvent to all registered listeners.

Specified by:

setFillAlpha in interface IChartShape

Parameters:

alpha - float The alpha transparency (in the range 0.0f to 1.0f, where 0.0f is fully transparent, and 1.0f is fully opaque).

getFillAlpha

public float getFillAlpha()

Returns the alpha value for fill background.

Specified by:

getFillAlpha in interface IChartShape

Returns:

float The alpha value.

setTooltipText

public void setTooltipText(java.lang.String tooltip)

Sets the tooltip text.

Specified by:

setTooltipText in interface IChartShape

Parameters:

tooltip - String The tooltip text (null permitted).

getTooltipText

public java.lang.String getTooltipText()

Returns the tooltip text.

Specified by:

getTooltipText in interface IChartShape

Returns:

String The tooltip text (maybe null).

setURL

public void setURL(java.lang.String url)

Sets the URL text.

Specified by:

setURL in interface IChartShape

Parameters:

url - String The URL text (null permitted).

getURL

public java.lang.String getURL()

Returns the URL text.

Specified by:

getURL in interface IChartShape

Returns:

String The URL text (maybe null).

getBound

public java.awt.geom.Rectangle2D getBound()

Returns a Rectangle2D that completely encloses the Shape.

Specified by:

getBound in interface IChartShape

Returns:

Rectangle2D A Rectangle2D that completely encloses the Shape.

drawBackground

protected void drawBackground(java.awt.Graphics2D g2,
                              java.awt.Shape drawArea)

Draw background color.

Parameters:

g2 - Graphics2D The specified Graphics context.

drawArea - Shape The draw area.

drawBorder

protected void drawBorder(java.awt.Graphics2D g2,
                          java.awt.Shape drawArea)

Draw border.

Parameters:

g2 - Graphics2D The specified Graphics context.

drawArea - Shape The draw area.

getLockPoint

public java.awt.geom.Point2D getLockPoint()

Returns the lock coordinates of this shape.

Specified by:

getLockPoint in interface IChartShape

Returns:

Point2D The coordinate.

getData

public IChartData getData()

Returns the IChartData object.

Specified by:

getData in interface IChartShape

Returns:

IChartData (maybe null).

setData

public void setData(IChartData data)

Sets the IChartData object and sends a ChartShapeChangeEvent to all registered listeners.

Specified by:

setData in interface IChartShape

Parameters:

data - IChartData (null permitted).

isVisible

public boolean isVisible()

Returns whether or not the shape is visible.

Specified by:

isVisible in interface IChartShape

Returns:

boolean A boolean.

setVisible

public void setVisible(boolean flag)

Sets whether or not the shape is visible and sends a ChartShapeChangeEvent to all registered listeners.

Specified by:

setVisible in interface IChartShape

Parameters:

flag - boolean A boolean.

getShapeDrawType

public ChartShapeDrawType getShapeDrawType()

Returns the chart shape draw type.

Specified by:

getShapeDrawType in interface IChartShape

Returns:

ChartShapeDrawType (never null).

setShapeDrawType

public void setShapeDrawType(ChartShapeDrawType drawType)

Sets the chart shape draw type and sends a ChartShapeChangeEvent to all registered listeners.

Specified by:

setShapeDrawType in interface IChartShape

Parameters:

drawType - ChartShapeDrawType (null not permitted).

addChangeListener

public void addChangeListener(IChartShapeChangeListener listener)

Registers an object for notification of changes to the IChartShape.

Specified by:

addChangeListener in interface IChartShape

Parameters:

listener - the object to register.

removeChangeListener

public void removeChangeListener(IChartShapeChangeListener listener)

Deregisters an object for notification of changes to the IChartShape.

Specified by:

removeChangeListener in interface IChartShape

Parameters:

listener - the object to deregister.

removeAllChangeListener

public void removeAllChangeListener()

Deregisters all object for notification of changes to the IChartShape.

Specified by:

removeAllChangeListener in interface IChartShape

hasListener

public boolean hasListener(IChartShapeChangeListener listener)

Returns true if the specified object is registered with the IChartShape as a listener. Most applications won't need to call this method, it exists mainly for use by unit testing code.

Parameters:

listener - the listener.

Returns:

A boolean.

forceChartShapeChanged

public void forceChartShapeChanged()

If the data object of IChartShape changed and no event triggered,set IChartShape changed by this method.

Specified by:

forceChartShapeChanged in interface IChartShape

chartShapeChanged

public void chartShapeChanged(ChartShapeChangeEvent event)

Receives notification of an IChartShape change event.

Specified by:

chartShapeChanged in interface IChartShapeChangeListener

Parameters:

event - Information about the event.

setShapeChange

public void setShapeChange(IShapeChange change)

Sets the IShapeChange object.

Specified by:

setShapeChange in interface IChartShape

Parameters:

change - IShapeChange IShapeChange object (null permitted).

getHotspotPolyCoords

public java.lang.String getHotspotPolyCoords(java.awt.Shape parentClipArea)

Returns a string containing the coordinates for a given shape.This string is intended for use in an image map.

Specified by:

getHotspotPolyCoords in interface IChartShape

Parameters:

parentClipArea - Shape The clip area.

Returns:

String The coordinates of hotspot (maybe null).

getHotspotType

public java.lang.String getHotspotType()

Returns the shape type of hotspot.

Specified by:

getHotspotType in interface IChartShape

Returns:

String The shape type of hotspot,the value can be poly or rect.

getHotspotShape

protected abstract java.awt.Shape getHotspotShape()

Returns the hotspot shape.

Returns:

Shape The hotspot shape (maybe null).

getShapeChange

public IShapeChange getShapeChange()

Returns the IShapeChange object.

Specified by:

getShapeChange in interface IChartShape

Returns:

IShapeChange IShapeChange object (maybe null).

drawSelect

protected abstract void drawSelect(java.awt.Graphics2D g2)

Draw the selected ChartShape on a Java 2d graphics device(such as the screen or the printer).

Parameters:

g2 - Graphics2D the graphics device (such as the screen or the printer) (null not permitted).

fireChartShapeChanged

protected void fireChartShapeChanged()

Notifies all registered listeners that the chart shape has changed.

notifyListeners

protected void notifyListeners(ChartShapeChangeEvent event)

Notifies all registered listeners that the chart shape has changed.

Parameters:

event - contains information about the event that triggered the notification.

drawAnchorByPoints

protected void drawAnchorByPoints(java.awt.Graphics2D g2,
                                  double translateX,
                                  double translateY,
                                  java.awt.geom.Point2D.Double[] points)

Draw anchor by the coordinates of points.

Parameters:

g2 - Graphics2D the graphics device (such as the screen or the printer) (null not permitted).

translateX - double The x offset value, the other point coordinates are relative to this coordinate.

translateY - double The y offset value, the other point coordinates are relative to this coordinate.

points - Double[] The coordinates of draw anchor.

fillShape

protected void fillShape(java.awt.Graphics2D g2,
                         java.awt.Paint fillPaint,
                         java.awt.Shape shape)

Fill this shape.

Parameters:

g2 - Graphics2D the graphics device (such as the screen or the printer) (null not permitted).

fillPaint - Paint The fill paint (null not permitted).

shape - Shape The fill shape (null not permitted).

drawShapeBorder

protected void drawShapeBorder(java.awt.Graphics2D g2,
                               java.awt.Shape shape)

Outline this shape.

Parameters:

g2 - Graphics2D the graphics device (such as the screen or the printer) (null not permitted).

shape - Shape The fill shape (null not permitted).

beforeDraw

protected void beforeDraw(java.awt.Graphics2D g2)

Call the beforeDraw method of class IShapeChange.

Parameters:

g2 - Graphics2D The graphics device (such as the screen or the printer) (null not permitted).

afterDraw

protected void afterDraw(java.awt.Graphics2D g2)

Call the afterDraw method of class IShapeChange.

Parameters:

g2 - Graphics2D The graphics device (such as the screen or the printer) (null not permitted).

getHotspotType

protected java.lang.String getHotspotType(java.awt.Shape shape)

Returns the shape type of hotspot.

Parameters:

shape - Shape The shape (null permitted).

Returns:

String The shape type of hotspot,the value can be circ or poly or rect.

equals

public boolean equals(java.lang.Object obj)

Indicates if some other object is "equal to" this one.

Overrides:

equals in class java.lang.Object

Parameters:

obj - the reference object with which to compare.

Returns:

true if this object is the same as the obj argument; false otherwise.

hashCode

public int hashCode()

Returns a hash code value for the object.

Overrides:

hashCode in class java.lang.Object

Returns:

int A hash code value for this object.

clone

public java.lang.Object clone()
                       throws java.lang.CloneNotSupportedException

Creates and returns a copy of this object.

Overrides:

clone in class java.lang.Object

Returns:

object a clone of this instance.

Throws:

java.lang.CloneNotSupportedException - if the object's class does not support the Cloneable interface. Subclasses that override the clone method can also throw this exception to indicate that an instance cannot be cloned.