Bug 168839 Chart Legend Toggle Visibility does not work correctly for Pie chart in SVG[0001]
Description: Chart Legend Toggle Visibility does not work correctly . Build number: 2.1.2.v20061221-0710 Steps to reproduce: 1. Preview the attached design file. 2. Click the legend. Expected result: Toggle Visibility works correctly. Actual result: Pie slice of different color disappears when being click. Error log: N/A
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/computation/DataPointHints.java
* Returns the size value of current DataPointHintes(only available in 3d
	 * mode).
	 * 
	 * @return
	 */
	public final Size getSize2D( )
	{
		return SizeImpl.create( dSize[0], dSize[1] );
	}
	/**
	 * Returns the user value of current DataPointHintes.
	 * 
	 * @param key
	 * @return
	 */
	public final Object getUserValue( String key )
	{
		if ( userValueMap == null )
		{
			return null;
		}
		Object value = userValueMap.get( key );
		
		 
		if ( value instanceof CDateTime )
		{
			return ((CDateTime)value).getTime( );
		}
		return value;
	}