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
(float) acre.getStartAngle( ),
						(float) acre.getAngleExtent( ) );
			}
			else if ( pre instanceof LineRenderEvent )
			{
				final LineRenderEvent lre = (LineRenderEvent) pre;
				gp.moveTo( (float) lre.getStart( ).getX( ),
						(float) lre.getStart( ).getY( ) );
				gp.lineTo( (float) lre.getEnd( ).getX( ), (float) lre.getEnd( )
						.getY( ) );
			}
		}
		
		final int iOldLineStyle = _gc.getLineStyle( );
		final int iOldLineWidth = _gc.getLineWidth( );
		int iLineStyle = SWT.LINE_SOLID;
		switch ( lia.getStyle( ).getValue( ) )
		{
			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( ) );