Bug 133999 Background image won't apply to the column
Steps to reproduce: 1.New a table with some labels 2.Choose one column, apply a style with background image Expected result: Background image will be applied to the column Actual result: Background image didn't apply to the column in layout, but preview is ok
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/layer/TableGridLayer.java
public List getColumns( )
	{
		return source.getColumns( );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.gef.editparts.GridLayer#paintGrid(org.eclipse.draw2d.Graphics)
	 */
	protected void paintGrid( Graphics g )
	{
		Collections.sort( getRows( ), new NumberComparator( ) );
		Collections.sort( getColumns( ), new NumberComparator( ) );
		if ( !getColumns( ).isEmpty( ) )
		{
			drawColumns(g);
		}
		if ( !getRows( ).isEmpty( ) )
		{
			drawRows(g);
		}
	}
	protected void drawRows( Graphics g )
	{
		Rectangle clip = g.getClip( Rectangle.SINGLETON );
		List rows = getRows( );
		int size = rows.size( );
		int height = 0;
		for ( int i = 0; i < size; i++ )
		{