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
for ( int j = 0; j < iTickCount - 1; j++ )
				{
					if ( aax.areAxesSwapped( ) )
					{
						
						if ( dY >= daTickCoordinates[j + 1]
								&& dY <= daTickCoordinates[j] )
						{
							
							dLength = daTickCoordinates[j + 1]
									- daTickCoordinates[j];
							break;
						}
					}
					else
					{
						if ( dX <= daTickCoordinates[j + 1]
								&& dX >= daTickCoordinates[j] )
						{
							dLength = daTickCoordinates[j + 1]
									- daTickCoordinates[j];
							break;
						}
					}
				}
				Object percentileValue = null;
				if ( total != 0 )
				{
					if ( oDataOrthogonal instanceof Number )
					{