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
* @throws ChartException
	 */
	public DataPointHints getCopy( ) throws ChartException
	{
		return new DataPointHints( oBaseValue,
				oOrthogonalValue,
				oSeriesValue,
				oPercentileOrthogonalValue,
				dp,
				fsBase,
				fsOrthogonal,
				fsSeries,
				fsPercentile,
				index,
				lo,
				dSize,
				rtc );
	}
	/**
	 * Accumulates values to current DataPointHintes.
	 * 
	 * @param _oBaseValue
	 * @param _oOrthogonalValue
	 * @param _oSeriesValue
	 */
	public void accumulate( Object _oBaseValue, Object _oOrthogonalValue,
			Object _oSeriesValue, Object _oPercentileOrthogonalValue )
	{
		if ( oBaseValue instanceof Number )
		{