Bug 207131 Background image position is wrong in Layout [0300]
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/figures/TableFigure.java
* @see org.eclipse.birt.report.designer.internal.ui.editors.schematic.figures.IReportElementFigure#getMargin()
	 */
	public Insets getMargin( )
	{
		return margin;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.designer.internal.ui.editors.schematic.figures.IReportElementFigure#setMargin(org.eclipse.draw2d.geometry.Insets)
	 */
	public void setMargin( Insets newMargin )
	{
		if ( newMargin == null )
		{
			margin = new Insets( );
		}
		else
		{
			margin = new Insets( newMargin );
			if ( margin.left < 0 )
			{
				margin.left = 0;
			}
			if ( margin.right < 0 )
			{
				margin.right = 0;
			}
			if ( margin.top < 0 )
			{