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
iAxisType = DATE_TIME;
				break;
		}
		if ( ax.isPercent( ) )
		{
			iAxisType |= PERCENT;
		}
		return iAxisType;
	}
	/**
	 * Converts to internal (non public-model) data structures
	 * 
	 * @param ax
	 * @return
	 */
	protected static final int getTickStyle( Axis ax, int iMajorOrMinor )
	{
		int iTickStyle = TICK_NONE;
		org.eclipse.birt.chart.model.component.Grid gr = ( iMajorOrMinor == MAJOR ) ? ax.getMajorGrid( )
				: ax.getMinorGrid( );
		if ( !gr.isSetTickStyle( ) )
		{
			return iTickStyle;
		}
		final LineAttributes lia = gr.getTickAttributes( );
		if ( !lia.isSetStyle( )
				|| !lia.isSetThickness( )
				|| !lia.isSetVisible( )
				|| !lia.isVisible( ) )
		{