Bug 180130 Bar chart becomes a line in right-to-left mode
When setting a right-to-left mode, such as in arabic locale, all bar charts will become a line. After investigation, size field in DataPointHints is 0.
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/computation/withaxes/PlotWith2DAxes.java
}
				}
			}
		}
		
		if ( bAnyStacked || ax.isPercent( ) )
		{
			if ( ax.getType( ).getValue( ) == AxisType.DATE_TIME )
			{
				throw new IllegalArgumentException( MessageFormat.format( Messages.getResourceBundle( rtc.getULocale( ) )
						.getString( "exception.stacked.datetime.axis.series" ), 
						new Object[]{
							ax
						} ) );
			}
			Object oValue;
			int iSeriesPerGroup;
			double dGroupMin, dGroupMax, dValue, dAbsTotal, dPercentMax = 0, dPercentMin = 0;
			double dAxisMin = Double.MAX_VALUE, dAxisMax = -Double.MAX_VALUE;
			ArrayList alSeriesGroupsPerAxis = ssl.getStackGroups( ax );
			ArrayList alSeriesPerGroup;
			StackGroup sg;
			DataSetIterator[] dsi = new DataSetIterator[ssl.getSeriesCount( ax )];
			if ( alSeriesGroupsPerAxis == null )
			{
				throw new ChartException( ChartEnginePlugin.ID,
						ChartException.DATA_SET,
						"exception.internal.stack.series.setup", 
						new Object[]{
							ax