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
Object oaData = null;
		if ( iAxisType == TEXT || oaxPrimaryBase.isCategoryScale( ) )
		{
			oaData = getTypedDataSet( axPrimaryBase, iAxisType, 0 );
		}
		else if ( ( iAxisType & NUMERICAL ) == NUMERICAL )
		{
			oaData = getMinMax( axPrimaryBase, iAxisType );
		}
		else if ( ( iAxisType & DATE_TIME ) == DATE_TIME )
		{
			oaData = getMinMax( axPrimaryBase, iAxisType );
		}
		DataSetIterator dsi = ( oaData instanceof DataSetIterator ) ? (DataSetIterator) oaData
				: new DataSetIterator( oaData, iAxisType );
		oaData = null;
		dStart = ( aax.areAxesSwapped( ) ) ? dY + dH : dX;
		dEnd = ( aax.areAxesSwapped( ) ) ? dY : dStart + dW;
		int iDirection = AUTO;
		if ( isRightToLeft( ) )
		{
			
			if ( !aax.areAxesSwapped( ) )
			{
				double dTmp = dStart;
				dStart = dEnd;
				dEnd = dTmp;
				iDirection = BACKWARD;
			}
			else