Bug 199834 Enable access to IContent object in IReportItemPresentation layer
In IReportItemPresentation layer, the extended item may want to access properties from current IContent object, for example, bookmark, content style. So we need expose the content object in this layer.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/presentation/LocalizedContentVisitor.java
foreignContent.setRawType( IForeignContent.HTML_TYPE );
			foreignContent.setRawValue( result );
		}
	}
	protected String getOutputFormat()
	{
		return outputFormat;
	}
	
	/**
	 * @return whether the output format is for printing
	 */
	protected boolean isForPrinting( )
	{
		String outputFormat = getOutputFormat( );
		if ( "FO".equalsIgnoreCase( outputFormat )
				|| "PDF".equalsIgnoreCase( outputFormat )
				||"POSTSCRIPT".equalsIgnoreCase( outputFormat ))
			return true;
		return false;
	}
	
	private int getChartResolution( )
	{
		Map appContext = context.getAppContext( );
		int resolution = 0;
		if ( appContext != null )
		{
			Object tmp = appContext