Bug 212238 [Regression] Pagebreak on chart does not work when preview in PDF/PPT/PostScritp.
Description: Pagebreak on chart does not work when preview in PDF/PPT/PostScritp. build version: 2.3.0 v20071207-0800. steps to reproduce: 1. New a report. 2. Insert a label in layout. 3. Insert a chart in layout. 4. Add pagebreak: Before Always on chart. 5. Preview in PDF/PPT/Postscript. Expected result: The chart should be displayed on the second page. Actual result: The chart is displayed on the first page.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFAbstractLM.java
}
	protected int getDimensionValue( CSSValue value, int referenceLength )
	{
		if ( value != null && ( value instanceof FloatValue ) )
		{
			FloatValue fv = (FloatValue) value;
			float v = fv.getFloatValue( );
			switch ( fv.getPrimitiveType( ) )
			{
				case CSSPrimitiveValue.CSS_CM :
					return (int) ( v * 72000 / 2.54 );
				case CSSPrimitiveValue.CSS_IN :
					return (int) ( v * 72000 );
				case CSSPrimitiveValue.CSS_MM :
					return (int) ( v * 7200 / 2.54 );
				case CSSPrimitiveValue.CSS_PT :
					return (int) ( v * 1000 );
				case CSSPrimitiveValue.CSS_NUMBER :
					return (int) v;
				case CSSPrimitiveValue.CSS_PERCENTAGE :
					return (int) ( referenceLength * v/100.0 );
			}
		}
		return 0;
	}
	protected PDFTableLM getTableLayoutManager( )
	{
		PDFStackingLM lm = parent;
		while ( lm != null && !( lm instanceof PDFTableLM ) )
		{