Bug 176582 "Show Lines as Curves" does not work correctly for Area Chart [0001]
Description: "Show Lines as Curves" does not work correctly for Area Chart. Build number: 2.2.0.v20070307-1128 Steps to reproduce: 1. New a Area Chart. 2. In "Format Chart" tab, select Series->Value (Y) Series, tick and untick "Show Lines as Curves" checkbox. Expected result: Null value point e is treated the same when tick and untick "Show Lines as Curves" checkbox. Actual result: Null value point e is treated differently (see the screenshot). Error log: N/A
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/BaseRenderer.java
ScriptHandler.BEFORE_DRAW_BLOCK,
						bl,
						getRunTimeContext( ).getScriptContext( ) );
				getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.BEFORE_DRAW_BLOCK,
						bl );
				renderLegend( idr, (Legend) bl, htRenderers );
				ScriptHandler.callFunction( sh,
						ScriptHandler.AFTER_DRAW_BLOCK,
						bl,
						getRunTimeContext( ).getScriptContext( ) );
				getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.AFTER_DRAW_BLOCK,
						bl );
			}
			else if ( bStarted )
			{
				ScriptHandler.callFunction( sh,
						ScriptHandler.BEFORE_DRAW_BLOCK,
						bl,
						getRunTimeContext( ).getScriptContext( ) );
				getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.BEFORE_DRAW_BLOCK,
						bl );
				renderBlock( ir, bl, StructureSource.createUnknown( bl ) );
				ScriptHandler.callFunction( sh,
						ScriptHandler.AFTER_DRAW_BLOCK,
						bl,
						getRunTimeContext( ).getScriptContext( ) );
				getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.AFTER_DRAW_BLOCK,
						bl );
			}
		}