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
{
						dX = daTickCoordinates[0] + dUnitSize * i;
						if ( !oaxBase.isTickBwtweenCategories( ) )
						{
							dX += dUnitSize / 2;
						}
						try
						{
							dY = getLocation( scOrthogonal, oDataOrthogonal );
						}
						catch ( IllegalArgumentException nvex )
						{
							
							dY = Double.NaN;
						}
						catch ( ChartException dfex )
						{
							dY = dOrthogonalZero; 
						}
					}
				}
				else
				{
					
					try
					{
						dX = getLocation( scBase, oDataBase );
					}
					catch ( IllegalArgumentException nvex )
					{