/*
 * (C) Copyright 1996-2016 ECMWF.
 * 
 * This software is licensed under the terms of the Apache Licence Version 2.0
 * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0. 
 * In applying this licence, ECMWF does not waive the privileges and immunities 
 * granted to it by virtue of its status as an intergovernmental organisation nor
 * does it submit to any jurisdiction.
 */

/*! \file HiLoText.h
    \brief Definition of the Template class HiLoText.
    
    Magics Team - ECMWF 2004
    
    Started: Thu 24-Jun-2004
    
    Changes:
    
*/

#ifndef HiLoText_H
#define HiLoText_H

#include "magics.h"

#include "HiLoTechnique.h"
#include "HiLoTextAttributes.h"
#include "Text.h"
#include "HiLo.h"
namespace magics {


class HiLoText: public HiLoTechnique, public HiLoTextAttributes {

public:
	HiLoText() : high_(0), low_(0) {}
	virtual ~HiLoText() {}
	void operator()(const PaperPoint& point, HiLo& hilo)
	{
		if (!high_)
		{
			// Create Text List containing the position of the High
			high_ = new Text();
			high_->addText(hi_text_, *this->hi_colour_, this->contour_hilo_height_);		
			high_->setBlanking(this->blanking_);
			hilo.push_back(high_);
		}

		if (!low_)
		{
			// Create Text List containing the position of the High
			low_ = new Text();
			low_->addText(lo_text_, *this->lo_colour_, this->contour_hilo_height_);			
			low_->setBlanking(this->blanking_);
			hilo.push_back(low_);
		}
       
		

		if ( point.high() ) 
			high_->push_back(point);  
		else if ( point.low() ) 
			low_->push_back(point);
		else   
			MagLog::warning() << "high/low information not set in point-> the point is ignored" << "\n";
	}
	void clear() {
		high_ = 0;
		low_ = 0;
	}
	void set(const map<string, string>& map)
	{ 
		HiLoTechnique::set(map);
		HiLoTextAttributes::set(map);
	}


protected:
	//! Method to print string about this class on to a stream of type ostream (virtual).
	virtual void print(ostream& out) const { out << "HiLoText"; } 
	Text* high_;
	Text* low_;

private:
	//! Copy constructor - No copy allowed
	HiLoText(const HiLoText&);
	//! Overloaded << operator to copy - No copy allowed
	HiLoText& operator=(const HiLoText&);
    
// -- Friends
	//! Overloaded << operator to call print().
	friend ostream& operator<<(ostream& s,const HiLoText& p)
		{ p.print(s); return s; }
};

} // namespace magics
#endif
