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
{
					if ( cell instanceof DummyCell )
					{
						height = Math.max( height, cell.getHeight() + rowHeight );
					}
					else
					{
						height = Math.max( height, cell.getHeight( ) );	
					}
					hasDropCell = true;
				}
			}
		}
		
		int delta = height - rowHeight;
		if(hasDropCell)
		{
			
			HashSet dropCells = new HashSet();
			
			if(delta>0)
			{
				row.getArea( ).setHeight( height );
			}
			for(int i=startCol; i<=endCol; i++)
			{
				CellArea cell = row.getCell( i );
				if(cell==null)
				{
					continue;