org.eclipse.birt.chart.event
Class PrimitiveRenderEvent

java.lang.Object
  java.util.EventObject
      org.eclipse.birt.chart.event.ChartEvent
          org.eclipse.birt.chart.event.PrimitiveRenderEvent

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable

Direct Known Subclasses:

ArcRenderEvent, AreaRenderEvent, ClipRenderEvent, ImageRenderEvent, LineRenderEvent, OvalRenderEvent, PolygonRenderEvent, RectangleRenderEvent, TextRenderEvent, TransformationEvent

public abstract class PrimitiveRenderEvent
extends ChartEvent
implements java.lang.Comparable

See Also:

Serialized Form

Field Summary

static int	DRAW A constant indicats a Drawing operation.
static int	FILL A constant indicats a Filling operation.
int	iObjIndex An index value used internally.

Constructor Summary

PrimitiveRenderEvent(java.lang.Object oSource)
Creates a Primitive Render Event from a source object.

Method Summary

static int	compareRegular(Bounds bo1, Bounds bo2) Compare two bounds regularly.
int	compareTo(java.lang.Object o) Compares two primitives in terms of Z-order rendering
static int	compareTransposed(Bounds bo1, Bounds bo2) Compare two bounds in transposed way.
PrimitiveRenderEvent	copy()
void	draw(IDeviceRenderer idr) Causes this instruction to 'draw' itself on the device renderer
void	fill(IDeviceRenderer idr) Causes this instruction to 'fill' itself on the device renderer
Fill	getBackground()
Bounds	getBounds() Returns the mimimum bounds required to contain the rendering area for current event.
double	getDepth()
Label	getLabel()
LineAttributes	getLineAttributes()
void	setDepth(double dDepth) Sets the depth of current event.

Methods inherited from class org.eclipse.birt.chart.event.ChartEvent

reset, setSourceObject

Methods inherited from class java.util.EventObject

getSource, toString

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

DRAW

public static final int DRAW

A constant indicats a Drawing operation.

See Also:

Constant Field Values

FILL

public static final int FILL

A constant indicats a Filling operation.

See Also:

Constant Field Values

iObjIndex

public int iObjIndex

An index value used internally. Note this is public only for cross-package internal access.

Constructor Detail

PrimitiveRenderEvent

public PrimitiveRenderEvent(java.lang.Object oSource)

Creates a Primitive Render Event from a source object. The source can be of any type. Inside the chart engine, it is a StructureSource object

Parameters:

oSource - The Source Object

See Also:

StructureSource

Method Detail

getBounds

public Bounds getBounds()
                 throws ChartException

Returns the mimimum bounds required to contain the rendering area for current event.

Returns:

Throws:

ChartException - if not implemented by concrete class

copy

public PrimitiveRenderEvent copy()
                          throws ChartException

Returns:

A copy of this primitive rendering instruction implemented by subclasses

Throws:

UnsupportedFeatureException

ChartException

compareTransposed

public static final int compareTransposed(Bounds bo1,
                                          Bounds bo2)

Compare two bounds in transposed way.

Parameters:

bo1 -

bo2 -

Returns:

compareRegular

public static final int compareRegular(Bounds bo1,
                                       Bounds bo2)

Compare two bounds regularly.

Parameters:

bo1 -

bo2 -

Returns:

compareTo

public int compareTo(java.lang.Object o)

Compares two primitives in terms of Z-order rendering

Specified by:

compareTo in interface java.lang.Comparable

draw

public void draw(IDeviceRenderer idr)
          throws ChartException

Causes this instruction to 'draw' itself on the device renderer

Parameters:

idr -

Throws:

UnsupportedFeatureException

ChartException

fill

public void fill(IDeviceRenderer idr)
          throws ChartException

Causes this instruction to 'fill' itself on the device renderer

Parameters:

idr -

Throws:

UnsupportedFeatureException

ChartException

setDepth

public final void setDepth(double dDepth)

Sets the depth of current event.

Parameters:

dDepth -

getDepth

public final double getDepth()

Returns:

Returns the depth of current event.

getLineAttributes

public LineAttributes getLineAttributes()

Returns:

A reference to the LineAttributes

getBackground

public Fill getBackground()

Returns:

A reference to the Background Fill

getLabel

public Label getLabel()