Bug 211773 Legend entries overlap
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/BaseRenderer.java
{
		PolygonRenderEvent pre;
		if ( cd.getValue( ) == ChartDimension.TWO_DIMENSIONAL )
		{
			
			pre = (PolygonRenderEvent) ( (EventObjectCache) ipr ).getEventObject( oSource,
					PolygonRenderEvent.class );
			pre.setPoints( loaFront );
			pre.setBackground( f );
			pre.setOutline( lia );
			if ( bDeferred )
			{
				dc.addPlane( pre, PrimitiveRenderEvent.FILL |
						PrimitiveRenderEvent.DRAW );
			}
			else
			{
				ipr.fillPolygon( pre );
				ipr.drawPolygon( pre );
			}
			return;
		}
		final boolean bSolidColor = f instanceof ColorDefinition;
		Fill fDarker = null, fBrighter = null;
		if ( cd.getValue( ) == ChartDimension.TWO_DIMENSIONAL_WITH_DEPTH
				|| cd.getValue( ) == ChartDimension.THREE_DIMENSIONAL )
		{
			fDarker = f;
			if ( fDarker instanceof ColorDefinition )
			{