GRDynamics.h

#ifndef GRDynamics_H
#define GRDynamics_H
 
/*
  GUIDO Library
  Copyright (C) 2002  Holger Hoos, Juergen Kilian, Kai Renz
  Copyright (C) 2002-2017 Grame
 
  This Source Code Form is subject to the terms of the Mozilla Public
  License, v. 2.0. If a copy of the MPL was not distributed with this
  file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
  Grame Research Laboratory, 11, cours de Verdun Gensoul 69002 Lyon - France
  research@grame.fr
 
*/
 
#include <map>
#include <vector>
 
#include "GRPTagARNotationElement.h"
#include "GRVisitor.h"
 
class ARDynamic;
class GRStaff;
 
 
class GRDynamics : public GRPTagARNotationElement
{
    public:
                     GRDynamics(GRStaff * grstaff, const ARDynamic* ar);
        virtual     ~GRDynamics();
 
        virtual void    addAssociation  (GRNotationElement * el);
        virtual void    tellPosition    (GObject * caller, const NVPoint & newPosition);
        virtual void    DrawDynamic     (VGDevice & hdc, bool cresc) const;
        virtual void    accept          (GRVisitor& visitor);
 
        virtual const GRDynamics *  isGRDynamic() const     { return this; }
 
    protected:
        typedef struct TXSegment {
            float fx1, fx2, fy;
            TXSegment() : fx1(0.f), fx2(0.f), fy(0.f) {}
        } TXSegment;
        std::map<const GRSystem*, TXSegment>    fXPoints;
        TXSegment       fCurrentSegment;
        float           fWidth;
        float           fThickness;
 
        const TXSegment*    getSegment(const GRSystem*) const;
        bool                empty(const TXSegment& seg) const   { return seg.fx1 == seg.fx2; }
        void                clear(TXSegment& seg) const         { seg.fx1 = seg.fx2 = 0.f; }
 
    private:
        const GRNotationElement * getNextEvent (const GRStaff* staff, const GRNotationElement * elt) const;
        const GRNotationElement * fNext;        // next event or bar, used in case of single note dynamic
 
    static std::map<const std::string, unsigned int>    fDynamic2Symbol;
};
 
#endif