Bug 151202 [regression]Set default master page to item in cell will cause blank page
Description: Set default master page to item in cell will cause blank page Steps to reproduce: 1. New a report 2. Insert a grid(1*1) 3. Insert a label to grid cell 4. Select the label and set default master page to it 5. Preview in Web Viewer and pdf Expected result: No blank page, just one page for grid display. Actual result: A blank page before grid page
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFAbstractLM.java
}
	protected int getDimensionValue( CSSValue value )
	{
		return getDimensionValue( value, 0 );
	}
	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 );
			}
		}
		return 0;
	}
	protected IPDFTableLayoutManager getTableLayoutManager( )