/*
 * (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 PolyShadingMethod.h
    \brief Definition of the Template class PolyShadingMethod.

    Magics Team - ECMWF 2004

    Started: Wed 18-Aug-2004

    Changes:

*/

#ifndef PolyShadingMethod_H
#define PolyShadingMethod_H

#include "ColourTechnique.h"
#include "Factory.h"
#include "LegendVisitor.h"
#include "MagTranslator.h"
#include "Polyline.h"
#include "magics.h"
namespace magics {

class LevelSelection;
class PolyShadingMethod {
public:
    PolyShadingMethod() {}
    virtual ~PolyShadingMethod() {}
    virtual void set(const map<string, string>&) {}
    virtual void set(const XmlNode&) {}
    virtual bool accept(const string& node) { return magCompare(node, "area_fill"); }

    virtual void toxml(ostream&) {}
    virtual PolyShadingMethod* clone() const {
        PolyShadingMethod* object = new PolyShadingMethod();
        return object;
    }

    virtual bool shadingMode() { return true; }
    virtual int index(double);
    virtual int rightIndex(double);
    virtual int leftIndex(double);
    virtual void prepare(LevelSelection&, const ColourTechnique&);

    virtual void operator()(Polyline& poly) const;

    virtual void visit(LegendVisitor& legend, const ColourTechnique& colour);
    IntervalMap<int> indexes_;
    vector<Colour> colours_;
    double first_;
    double last_;

protected:
    //! Method to print string about this class on to a stream of type ostream (virtual).
    virtual void print(ostream&) const {}

private:
    //! Copy constructor - No copy allowed
    PolyShadingMethod(const PolyShadingMethod&);
    //! Overloaded << operator to copy - No copy allowed
    PolyShadingMethod& operator=(const PolyShadingMethod&);

    // -- Friends
    //! Overloaded << operator to call print().
    friend ostream& operator<<(ostream& s, const PolyShadingMethod& p) {
        p.print(s);
        return s;
    }
};


template <>
class MagTranslator<string, PolyShadingMethod> {
public:
    PolyShadingMethod* operator()(const string& val) { return SimpleObjectMaker<PolyShadingMethod>::create(val); }
    PolyShadingMethod* magics(const string& param) {
        PolyShadingMethod* object = 0;
        ParameterManager::update(param, object);
        return object;
    }
};

}  // namespace magics

#endif
