Bug 212291 SWT Chart render engine always uses 96 DPI(Display) resolution
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/AxesRenderer.java
* Renders all marker ranges associated with all axes (base and orthogonal)
	 * in the plot Marker ranges are drawn immediately (not rendered as
	 * deferred) at an appropriate Z-order immediately after the plot background
	 * is drawn.
	 * 
	 * @param oaxa
	 *            An array containing all axes
	 * @param boPlotClientArea
	 *            The bounds of the actual client area
	 * 
	 * @throws RenderingException
	 */
	private final void renderMarkerRanges( OneAxis[] oaxa,
			Bounds boPlotClientArea ) throws ChartException
	{
		Axis ax;
		EList el;
		int iRangeCount, iAxisCount = oaxa.length;
		MarkerRange mr;
		RectangleRenderEvent rre;
		DataElement deStart, deEnd;
		AutoScale asc;
		double dMin = 0, dMax = 0;
		int iOrientation, iCompare = IConstants.EQUAL;
		final Bounds bo = BoundsImpl.create( 0, 0, 0, 0 );
		final IDeviceRenderer idr = getDevice( );
		final ScriptHandler sh = getRunTimeContext( ).getScriptHandler( );
		final boolean bTransposed = ( (ChartWithAxes) getModel( ) ).isTransposed( );
		final PlotWithAxes pwa = (PlotWithAxes) getComputations( );
		final StringBuffer sb = new StringBuffer( );