org.apache.batik.swing.gvt
Class GVTTreeRenderer

java.lang.Object
  |
  +--java.lang.Thread
        |
        +--org.apache.batik.swing.gvt.GVTTreeRenderer

All Implemented Interfaces:

java.lang.Runnable

public class GVTTreeRenderer

extends java.lang.Thread

This class represents an object which renders asynchroneaously a GVT tree.

Field Summary

protected java.awt.Shape	areaOfInterest The area of interest.
protected boolean	doubleBuffering Whether to enable the double buffering.
protected int	height The buffer height.
protected java.util.List	listeners The listeners.
protected ImageRenderer	renderer The renderer used to paint.
protected java.awt.geom.AffineTransform	user2DeviceTransform The user to device transform.
protected int	width The buffer width.

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

GVTTreeRenderer(ImageRenderer r, java.awt.geom.AffineTransform usr2dev, boolean dbuffer, java.awt.Shape aoi, int width, int height)
Creates a new GVTTreeRenderer.

Method Summary

void	addGVTTreeRendererListener(GVTTreeRendererListener l) Adds a GVTTreeRendererListener to this GVTTreeRenderer.
protected boolean	checkInterrupted() Checks for this thread to be interrupted.
protected void	fireCancelledEvent(java.awt.image.BufferedImage bi) Fires a GVTTreeRendererEvent when cancelled.
protected void	fireCompletedEvent(java.awt.image.BufferedImage bi) Fires a GVTTreeRendererEvent when completed.
protected void	fireFailedEvent() Fires a GVTTreeRendererEvent when failed.
protected void	firePrepareEvent() Fires a GVTTreeRendererEvent in the preparing phase.
protected void	fireStartedEvent(java.awt.image.BufferedImage bi) Fires a GVTTreeRendererEvent in the starting phase.
void	removeGVTTreeRendererListener(GVTTreeRendererListener l) Removes a GVTTreeRendererListener from this GVTTreeRenderer.
void	run() Runs this renderer.

Methods inherited from class java.lang.Thread

activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getContextClassLoader, getName, getPriority, getThreadGroup, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setName, setPriority, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Field Detail

renderer

protected ImageRenderer renderer

The renderer used to paint.

areaOfInterest

protected java.awt.Shape areaOfInterest

The area of interest.

width

protected int width

The buffer width.

height

protected int height

The buffer height.

user2DeviceTransform

protected java.awt.geom.AffineTransform user2DeviceTransform

The user to device transform.

doubleBuffering

protected boolean doubleBuffering

Whether to enable the double buffering.

listeners

protected java.util.List listeners

The listeners.

Constructor Detail

GVTTreeRenderer

public GVTTreeRenderer(ImageRenderer r,
                       java.awt.geom.AffineTransform usr2dev,
                       boolean dbuffer,
                       java.awt.Shape aoi,
                       int width,
                       int height)

Creates a new GVTTreeRenderer.

Parameters:

r - The renderer to use to paint.

usr2dev - The user to device transform.

dbuffer - Whether the double buffering should be enabled.

aoi - The area of interest in the renderer space units.

width height - The offscreen buffer size.

Method Detail

run

public void run()

Runs this renderer.

Overrides:

run in class java.lang.Thread

addGVTTreeRendererListener

public void addGVTTreeRendererListener(GVTTreeRendererListener l)

Adds a GVTTreeRendererListener to this GVTTreeRenderer.

removeGVTTreeRendererListener

public void removeGVTTreeRendererListener(GVTTreeRendererListener l)

Removes a GVTTreeRendererListener from this GVTTreeRenderer.

checkInterrupted

protected boolean checkInterrupted()

Checks for this thread to be interrupted.

firePrepareEvent

protected void firePrepareEvent()
                         throws java.lang.InterruptedException

Fires a GVTTreeRendererEvent in the preparing phase.

fireStartedEvent

protected void fireStartedEvent(java.awt.image.BufferedImage bi)
                         throws java.lang.InterruptedException

Fires a GVTTreeRendererEvent in the starting phase.

fireCancelledEvent

protected void fireCancelledEvent(java.awt.image.BufferedImage bi)

Fires a GVTTreeRendererEvent when cancelled.

fireCompletedEvent

protected void fireCompletedEvent(java.awt.image.BufferedImage bi)

Fires a GVTTreeRendererEvent when completed.

fireFailedEvent

protected void fireFailedEvent()

Fires a GVTTreeRendererEvent when failed.