Bug 119220 Image in library can't display properly when it is imported in a report design.
Description: Image in library can't display properly when it is imported in a report design. Steps to reproduce: 1. Add an image in a library. 2. Use this library in a report design. 3. Drag the image from library explorer into layout view. 4. The image is marked invalid.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ImageHandle.java
* @throws SemanticException
	 *             if the property is locked.
	 */
	public void setImageName( String name ) throws SemanticException
	{
		try
		{
			module.getActivityStack( ).startTrans( );
			setProperty( ImageItem.SOURCE_PROP,
					DesignChoiceConstants.IMAGE_REF_TYPE_EMBED );
			setProperty( ImageItem.IMAGE_NAME_PROP, name );
		}
		catch ( SemanticException e )
		{
			module.getActivityStack( ).rollback( );
			throw e;
		}
		module.getActivityStack( ).commit( );
	}
	/**
	 * Sets the image uri property. The source type is automatically set in this
	 * method. Whether <code>IMAGE_REF_TYPE_FILE</code> or
	 * <code>IMAGE_REF_TYPE_URL</code> depends on the uri to set.
	 * 
	 * @param uri
	 *            the uri to be set.
	 * @throws SemanticException
	 *             if the property is locked.
	 */
	public void setURI( String uri ) throws SemanticException