Bug 212291 SWT Chart render engine always uses 96 DPI(Display) resolution
chart/org.eclipse.birt.chart.device.swt/src/org/eclipse/birt/chart/device/swt/SwtRendererImpl.java
case ( LineStyle.DOTTED                                                                                                                                                                                                                                                                  ) :
				iLineStyle = SWT.LINE_DOT;
				break;
			case ( LineStyle.DASH_DOTTED                                                                                                                                                                                                                                                                  ) :
				iLineStyle = SWT.LINE_DASHDOT;
				break;
			case ( LineStyle.DASHED                                                                                                                                                                                                                                                                  ) :
				iLineStyle = SWT.LINE_DASH;
				break;
		}
		_gc.setLineStyle( iLineStyle );
		_gc.setLineWidth( lia.getThickness( ) );
		final Bounds bo = normalizeBounds( rre.getBounds( ) );
		_gc.setForeground( cFG );
		R31Enhance.setAlpha( _gc, lia.getColor( ) );
		_gc.drawRectangle( (int) ( ( bo.getLeft( ) + dTranslateX ) * dScale ),
				(int) ( ( bo.getTop( ) + dTranslateY ) * dScale ),
				(int) ( bo.getWidth( ) * dScale ) - 1,
				(int) ( bo.getHeight( ) * dScale ) - 1 );
		_gc.setLineStyle( iOldLineStyle );
		_gc.setLineWidth( iOldLineWidth );
		cFG.dispose( );
		
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.chart.device.IPrimitiveRenderer#fillRectangle(org.eclipse.birt.chart.event.RectangleRenderEvent)
	 */
	public void fillRectangle( RectangleRenderEvent rre ) throws ChartException