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
{
			throw new ChartException( ChartEnginePlugin.ID,
					ChartException.VALIDATION,
					new ChartException( ChartEnginePlugin.ID,
							ChartException.UNDEFINED_VALUE,
							"exception.undefined.axis.data.type", 
							new Object[]{
								ax
							},
							Messages.getResourceBundle( rtc.getULocale( ) ) ) );
		}
		if ( !ax.getLabel( ).isSetVisible( ) )
		{
			throw new ChartException( ChartEnginePlugin.ID,
					ChartException.VALIDATION,
					new ChartException( ChartEnginePlugin.ID,
							ChartException.UNDEFINED_VALUE,
							"exception.undefined.axis.label.visibility", 
							new Object[]{
								ax
							},
							Messages.getResourceBundle( rtc.getULocale( ) ) ) );
		}
		if ( !ax.getTitle( ).isSetVisible( ) )
		{
			throw new ChartException( ChartEnginePlugin.ID,
					ChartException.VALIDATION,
					new ChartException( ChartEnginePlugin.ID,
							ChartException.UNDEFINED_VALUE,
							"exception.undefined.axis.title.visibility",