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/render/BaseRenderer.java
{
		brna = _brna;
	}
	/**
	 * Sets the runtime context object for current renderer.
	 */
	public final void set( RunTimeContext _rtc )
	{
		rtc = _rtc;
	}
	/**
	 * @return Returns the series rendering hints for current renderer.
	 */
	public final ISeriesRenderingHints getSeriesRenderingHints( )
	{
		return srh;
	}
	/**
	 * @return Returns the display server for current renderer.
	 */
	public final IDisplayServer getXServer( )
	{
		return xs;
	}
	/**
	 * @return Returns the scale of current device against standard 72dpi
	 *         (X/72).
	 */
	public final double getDeviceScale( )
	{