Bug 140321 locale based font config file support
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFPageLM.java
* @param page
	 */
	protected void updateBodySize( PageArea page )
	{
		IContainerArea header = page.getHeader( );
		ContainerArea footer = (ContainerArea) page.getFooter( );
		ContainerArea body = (ContainerArea) page.getBody( );
		ContainerArea root = (ContainerArea) page.getRoot( );
		if ( header != null && header.getHeight( ) >= root.getHeight( ) )
		{
			page.removeHeader( );
			header = null;
		}
		if ( footer != null && footer.getHeight( ) >= root.getHeight( ) )
		{
			page.removeHeader( );
			footer = null;
		}
		if ( header != null
				&& footer != null
				&& footer.getHeight( ) + header.getHeight( ) >= root
						.getHeight( ) )
		{
			page.removeFooter( );
			page.removeHeader( );
			header = null;
			footer = null;
		}
		body.setHeight( root.getHeight( )
				- ( header == null ? 0 : header.getHeight( ) )