Bug 188058 Bottom arc and top oval of Tube and Cone and Pyramid chart are painted error.
Build ID: I20070323-1616 Steps To Reproduce: 1. New a Tube chart. 2. Flip axis. 3. Preview the chart in viewer. Expected behavior: - The bottom of each series should be arc. - The top of each series should be oval. Actual behavior: - The bottom and top of each series are direct line, refer to attached output file. More information:
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/BaseRenderer.java
* @return
	 */
	public Position switchPosition( Position po )
	{
		if ( po != null && isRightToLeft( ) )
		{
			if ( po == Position.RIGHT_LITERAL )
			{
				po = Position.LEFT_LITERAL;
			}
			else if ( po == Position.LEFT_LITERAL )
			{
				po = Position.RIGHT_LITERAL;
			}
		}
		return po;
	}
	/**
	 * Switch TextAlignment value due to right-left setting.
	 * 
	 * @param ta
	 * @return
	 */
	public TextAlignment switchTextAlignment( TextAlignment ta )
	{
		if ( ta != null && isRightToLeft( ) )
		{
			if ( ta.getHorizontalAlignment( ) == HorizontalAlignment.LEFT_LITERAL )
			{
				ta.setHorizontalAlignment( HorizontalAlignment.RIGHT_LITERAL );