GRVolta.h

#ifndef __GRVolta__
#define __GRVolta__
 
/*
  GUIDO Library
  Copyright (C) 2004 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"
 
class ARVolta;
class GRStaff;
 
 
class GRVolta : public GRPTagARNotationElement
{
    private:
    std::vector<NVRect> fSegments;  // segments of the volta
    NVRect              fCurrentSegment;
    bool                fStartTell = true;
    
    void drawText   (VGDevice & hdc, float x, float y) const;
    void drawEndings (VGDevice & hdc, size_t index, float dx, float dy) const;
 
    const ARVolta *     getARVolta() const  { return (const ARVolta*)getAbstractRepresentation(); }
    void                adjustLeft (const GRNotationElement * startElt);    // adjust first segment to the previous bar (if any)
    void                adjustRight(const GRNotationElement * endElt);      // adjust last segment to the next bar (if any)
    void                adjustToNext (GRVolta * next);                      // vertical adjustment for adjacent voltas
    GRVolta *           getNextVolta(GRStaff * staff) const;
 
    public:
        enum { kDefault, kRightOpened, kLeftOpened, kOpened };
 
                        GRVolta( GRStaff * pstaff, const ARVolta * ar );
        virtual         ~GRVolta();
        
        virtual void    OnDraw( VGDevice & hdc ) const;
        virtual const   NVPoint & getReferencePosition() const  { return refpos; }
        virtual void    tellPosition(GObject * caller, const NVPoint & newPosition);
        virtual void    FinishPTag (GRStaff * grstaff);
 
        GRNotationElement * getEndPos() const   { return mEnd; }
        GRNotationElement * getBegPos() const   { return mBeg; }
        NVRect          getFirstSegment() const { return fSegments[0]; }
        size_t          getSegmentsSize() const { return fSegments.size(); }
        void            setFirstSegment(NVRect r) { fSegments[0] = r; }
 
    protected:
        GRNotationElement * getEndElt(GRNotationElement *after);
        GRNotationElement * getBegElt(GRNotationElement *before);
 
        static NVPoint refpos;
        GRNotationElement * mEnd, *mBeg;// these are for graphic adjustments
        
        int         mShape;             // the volta shape  (from ARVolta)
        const char* mString;            // the volta string (from ARVolta)
        int         mStringSize;
};
 
#endif