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/PDFLineAreaLM.java
Iterator iter = root.getChildren( );
		int height = root.getHeight( );
		
		while ( iter.hasNext( ) )
		{
			AbstractArea child = (AbstractArea) iter.next( );
			IStyle childStyle = child.getStyle( );
			String vAlign = childStyle.getVerticalAlign( );
			if ( childStyle != null )
			{
				int spacing = height - child.getAllocatedHeight( );
				assert ( spacing >= 0 );
				if ( CSSConstants.CSS_BOTTOM_VALUE.equalsIgnoreCase( vAlign )
						|| CSSConstants.CSS_BASELINE_VALUE
								.equalsIgnoreCase( vAlign ) )
				{
					child.setAllocatedPosition( child.getAllocatedX( ), spacing
							+ root.getContentY( ) );
				}
				else if ( CSSConstants.CSS_MIDDLE_VALUE
						.equalsIgnoreCase( vAlign ) )
				{
					child.setAllocatedPosition( child.getAllocatedX( ), spacing
							/ 2 + root.getContentY( ) );
				}
				else
				{