Bug 147676 [regression]Visibility set in the first col will affect the second col
Description: Visibility set in the first col will affect the second col Steps to reproduce: 1. Insert a grid(3*3), insert contents to each cell. 2.Set the first col to hide all in visibility and preview Expected result: Only the first col is hidden. Actual result: The second col is hidden, too. If you set the second col in step2, the third col will disappear.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFTableLM.java
lastRowArea.setHeight( lastRowArea.getHeight( )
						+ bottomMaxBorder );
			}
		}
		
		root.setHeight( getCurrentBP( ) + getOffsetY( ) + bottomMaxBorder );
		
		
	}
	private int resolveBottomBorder( CellArea cell )
	{
		IStyle tableStyle = tableContent.getComputedStyle( );
		IStyle rowStyle = ( lastRow == null ? null : lastRowArea.getContent( )
				.getComputedStyle( ) );
		IStyle columnStyle = getColumnStyle( cell.getColumnID( ) );
		IStyle cellContentStyle = cell.getContent( ).getComputedStyle( );
		IStyle cellAreaStyle = cell.getStyle( );
		bcr.resolveTableBottomBorder( tableStyle, rowStyle, columnStyle,
				cellContentStyle, cellAreaStyle );
		int borderWidth = PropertyUtil.getDimensionValue( cellAreaStyle
				.getProperty( StyleConstants.STYLE_BORDER_BOTTOM_WIDTH ) );
		return borderWidth;
	}
	public int getColumnNumber( )
	{
		return columnNumber;
	}
	/**
	 * resolve cell border conflict
	 *