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
* @param _dSize
	 * @param _rtc
	 */
	public DataPointHints( Object _oBaseValue, Object _oOrthogonalValue,
			Object _oSeriesValue, Object _oPercentileValue, DataPoint _dp,
			FormatSpecifier _fsBase, FormatSpecifier _fsOrthogonal,
			FormatSpecifier _fsSeries, FormatSpecifier _fsPercentile, int _idx,
			Location _lo, double[] _dSize, RunTimeContext _rtc )
			throws ChartException
	{
		this( _oBaseValue,
				_oOrthogonalValue,
				_oSeriesValue,
				_oPercentileValue,
				_dp,
				_fsBase,
				_fsOrthogonal,
				_fsSeries,
				_fsPercentile,
				_idx,
				_lo,
				0,
				_rtc );
		dSize[0] = _dSize[0];
		dSize[1] = _dSize[1];
	}
	/**
	 * Returns a copy of current DataPointHints object.
	 * 
	 * @return