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
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 * Copyright (c) 2004 Actuate Corporation.