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
}
		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( ) );
		_gc.setForeground( cFG );
		R31Enhance.setAlpha( _gc, lia.getColor( ) );
		_gc.drawPolygon( getCoordinatesAsInts( pre.getPoints( ),
				TRUNCATE,
				dTranslateX,
				dTranslateY,
				dScale ) );
		_gc.setLineStyle( iOldLineStyle );
		_gc.setLineWidth( iOldLineWidth );
		cFG.dispose( );
		
	}