Bug 199009 [Automation][Regression] 2D percent stacked area chart did not render properly
steps to reproduce: - use the attached report design - preview in html expected behavior: - chart was renderred properly actual behavior: - it simply did not do so please refer to the attached screen captures
chart/org.eclipse.birt.chart.ui.extension/src/org/eclipse/birt/chart/ui/swt/composites/PaletteEditorComposite.java
null,
					true,
					true,
					false,
					false,
					true );
			coEditor.setBounds( 3, 3, rCA.width - 6, iItemHeight - 6 );
			( (FillChooserComposite) coEditor ).addListener( this );
		}
		if ( imgBuffer == null )
		{
			imgBuffer = new Image( d, rCA.width, rCA.height );
			gc = new GC( imgBuffer );
			idrSWT.setProperty( IDeviceRenderer.GRAPHICS_CONTEXT, gc );
		}
		gc.setBackground( getBackground( ) );
		gc.fillRectangle( rCA );
		iViewHeight = rCA.height;
		int iStartIndex = iViewY / iItemHeight;
		if ( iStartIndex < 0 )
		{
			iStartIndex = 0;
		}
		iVisibleCount = iViewHeight / iItemHeight + 2;
		int iAvailableItems = Math.min( iVisibleCount, elPaletteEntries1.size( )
				- iStartIndex );
		int iY = -( iViewY % iItemHeight );
		gc.setForeground( d.getSystemColor( SWT.COLOR_GRAY ) );
		final RectangleRenderEvent rre = (RectangleRenderEvent) ( (EventObjectCache) idrSWT ).getEventObject( this,
				RectangleRenderEvent.class );