Bug 119817 properities using percentage dimension as value don't work in BIRT PDF Emitter.
Description: properities using percentage dimension as value don't work in BIRT PDF Emitter. Steps to reproduce: 1. Set percentage value to Margin/Padding 2. Preview Expected result: Percentage values work. Actual result: No effects.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFPageLM.java
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( ) )
				- ( footer == null ? 0 : footer.getHeight( ) ) );
		body.setPosition( body.getX( ), ( header == null ? 0 : header
				.getHeight( ) ) );
		if ( footer != null )
		{
			footer.setPosition( footer.getX( ), ( header == null ? 0 : header
					.getHeight( ) )
					+ ( body == null ? 0 : body.getHeight( ) ) );
		}
	}
	/**
	 * layout page header area
	 * 
	 */
	protected void layoutHeader( )