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


class HiLoText : public HiLoTechnique, public HiLoTextAttributes {
public:
    HiLoText() : high_(0), low_(0) {}
    virtual ~HiLoText() override {}
    void operator()(const PaperPoint& point, HiLo& hilo) override {
        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() override {
        high_ = 0;
        low_  = 0;
    }
    void set(const map<string, string>& map) override {
        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 override { 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
