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
|| ( !isRightToLeft( ) && aax.anyOverlayPositionedAt( IConstants.MIN ) ) )
				{
					scBase.computeAxisStartEndShifts( ids,
							oaxBase.getLabel( ),
							HORIZONTAL,
							oaxBase.getLabelPosition( ),
							aax );
					if ( isRightToLeft( ) )
					{
						double dRightThreshold = bo.getLeft( ) + bo.getWidth( );
						double dStart = scBase.getStart( );
						final double dStartShift = scBase.getStartShift( );
						if ( dStart + dStartShift < dRightThreshold )
						{
							dStart += dStartShift;
							double dEnd = scBase.getEnd( );
							scBase.computeTicks( ids,
									oaxBase.getLabel( ),
									oaxBase.getLabelPosition( ),
									HORIZONTAL,
									dStart,
									dEnd,
									false,
									null );
						}
					}
					else
					{
						double dLeftThreshold = bo.getLeft( );
						double dStart = scBase.getStart( );