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
double dLength, Orientation o ) throws ChartException
	{
		if ( o.getValue( ) == Orientation.HORIZONTAL )
		{
			final LineRenderEvent lre = (LineRenderEvent) ( (EventObjectCache) ipr ).getEventObject( StructureSource.createLegend( lg ),
					LineRenderEvent.class );
			lre.setLineAttributes( lia );
			lre.setStart( LocationImpl.create( dX, dY ) );
			lre.setEnd( LocationImpl.create( dX + dLength, dY ) );
			ipr.drawLine( lre );
		}
		else if ( o.getValue( ) == Orientation.VERTICAL )
		{
			final LineRenderEvent lre = (LineRenderEvent) ( (EventObjectCache) ipr ).getEventObject( StructureSource.createLegend( lg ),
					LineRenderEvent.class );
			lre.setLineAttributes( lia );
			lre.setStart( LocationImpl.create( dX, dY ) );
			lre.setEnd( LocationImpl.create( dX, dY + dLength ) );
			ipr.drawLine( lre );
		}
	}
	/**
	 * Search the width for each column when legend is vertical.
	 * 
	 * @param liha
	 * @return
	 */
	protected Map searchMaxColumnWidth( LegendItemHints[] liha )
	{
		HashMap rt = new HashMap( );