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
dStart,
						dEnd,
						!startEndChanged,
						true,
						aax );
			}
			if ( !scX.isStepFixed( ) )
			{
				final Object[] oaMinMax = scX.getMinMax( );
				while ( !scX.checkFit( ids, laXAxisLabels, iXLabelLocation ) )
				{
					if ( !scX.zoomOut( ) )
					{
						break;
					}
					scX.updateAxisMinMax( oaMinMax[0], oaMinMax[1] );
					int tickCount;
					if ( scX.getDirection( ) == BACKWARD )
					{
						tickCount = scX.computeTicks( ids,
								laXAxisLabels,
								iXLabelLocation,
								HORIZONTAL,
								dStart,
								dEnd,
								true,
								!startEndChanged,
								aax );
					}
					else