org.pentaho.reporting.engine.classic.demo.ancient.demo.functions

Class ImageRenderFunction

java.lang.Object

org.pentaho.reporting.engine.classic.core.function.AbstractExpression

org.pentaho.reporting.engine.classic.core.function.AbstractFunction

org.pentaho.reporting.engine.classic.demo.ancient.demo.functions.ImageRenderFunction

All Implemented Interfaces:

Serializable, Cloneable, EventListener, org.pentaho.reporting.engine.classic.core.event.PageEventListener, org.pentaho.reporting.engine.classic.core.event.ReportListener, org.pentaho.reporting.engine.classic.core.function.Expression, org.pentaho.reporting.engine.classic.core.function.Function

public class ImageRenderFunction
extends org.pentaho.reporting.engine.classic.core.function.AbstractFunction
implements Serializable, org.pentaho.reporting.engine.classic.core.event.PageEventListener

The ImageRenderFunction creates a simple Image using a BufferedImage within a function to show the use of the ImageFunctionElement. The image is created whenever a new page is started.

Author:

Thomas Morgner

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ImageRenderFunction() Creates an unnamed function.

Method Summary

Modifier and Type	Method and Description
Object	getValue() Return the last generated Image.
void	pageFinished(org.pentaho.reporting.engine.classic.core.event.ReportEvent event) Receives notification that a page is completed.
void	pageStarted(org.pentaho.reporting.engine.classic.core.event.ReportEvent event) Create a image according to the current state, simple and silly ...

Methods inherited from class org.pentaho.reporting.engine.classic.core.function.AbstractFunction

groupFinished, groupStarted, itemsAdvanced, itemsFinished, itemsStarted, reportDone, reportFinished, reportInitialized, reportStarted, summaryRowSelection

Methods inherited from class org.pentaho.reporting.engine.classic.core.function.AbstractExpression

clone, getDataRow, getDependencyLevel, getInstance, getName, getReportConfiguration, getResourceBundleFactory, getRuntime, isActive, isDeepTraversing, isPreserve, setActive, setDependencyLevel, setName, setPreserve, setRuntime

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.pentaho.reporting.engine.classic.core.function.Expression

clone, getDataRow, getDependencyLevel, getInstance, getName, getReportConfiguration, getResourceBundleFactory, getRuntime, isActive, isDeepTraversing, isPreserve, setDependencyLevel, setName, setRuntime

Constructor Detail

ImageRenderFunction

public ImageRenderFunction()

Creates an unnamed function. Make sure the name of the function is set using AbstractExpression.setName(java.lang.String) before the function is added to the report's function collection.

Method Detail

pageStarted

public void pageStarted(org.pentaho.reporting.engine.classic.core.event.ReportEvent event)

Create a image according to the current state, simple and silly ...

Specified by:

pageStarted in interface org.pentaho.reporting.engine.classic.core.event.PageEventListener

Parameters:

event - the report event.

pageFinished

public void pageFinished(org.pentaho.reporting.engine.classic.core.event.ReportEvent event)

Receives notification that a page is completed.

Specified by:

pageFinished in interface org.pentaho.reporting.engine.classic.core.event.PageEventListener

Parameters:

event - The event.

getValue

public Object getValue()

Return the last generated Image.

Specified by:

getValue in interface org.pentaho.reporting.engine.classic.core.function.Expression

Returns:

the function value.