Bug 212291 SWT Chart render engine always uses 96 DPI(Display) resolution
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/computation/withaxes/PlotWithAxes.java
{
	static ILogger logger = Logger.getLogger( "org.eclipse.birt.chart.engine/computation.withaxes" ); 
	protected int iDimension = TWO_D;
	protected double dSeriesThickness = 10;
	protected double dXAxisPlotSpacing = 0;
	protected double dYAxisPlotSpacing = 0;
	/**
	 * All axes defined in the model are maintained in a fast data structure
	 * containing additional rendering attributes
	 */
	protected AllAxes aax = null;
	/**
	 * A final internal reference to the model used in rendering computations
	 */
	protected ChartWithAxes cwa;
	/**
	 * An internal XServer implementation capable of obtaining text metrics,
	 * etc.
	 */