Bug 207141 [Automation][Regression]There is a faint secondary image in column when preview reportdesign in PDF
Description: There is a faint secondary image in one column when preview reportdesign in PDF TestDate: 20071023 steps to reproduce: - use the attached report design - preview it in PDF Expected Result: Report should be preview correctly Actual Result: There is a faint secondary image.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/cache/TableAreaLayout.java
emptyCell.setWidth( getCellWidth( startColumn, endColumn ) );
					emptyCell.setPosition( layoutInfo.getXPosition( i ), 0 );
					emptyCell.setHeight( row.getHeight( ) );
					row.addChild( emptyCell );
				}
			}
		}
	} 
	
	protected int getRowSpan(IRowContent row, CellArea cell, RowArea rowArea)
	{
		int rowSpan = cell.getRowSpan();
		IContent rowContent = rowArea.getContent();
		InstanceID id = row.getInstanceID( );
		InstanceID contentId = rowContent.getInstanceID( );
		
		if(id!=null && contentId!=null)
		{
			if ( rowSpan > 1
					&& ( !id.toUniqueString( ).equals(
							contentId.toUniqueString( ) ) ) )
			{
				return rowSpan - 1;
			}
			return rowSpan;
		}
		else 
		{
			if(row!=rowContent && rowSpan > 1)
			{