GROctava.h

#ifndef GROctava_H
#define GROctava_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 "TagParameterString.h"
#include "GRARNotationElement.h"
#include "GRPositionTag.h"
 
class NVstring;
class GRStaff;
class NVPoint;
class VGDevice;
class AROctava;
 
class GROctava : public GRARNotationElement, public GRPositionTag
{
    public:
                     GROctava( GRStaff *, const NVstring & txt, const AROctava* ar, bool bassa );
        virtual     ~GROctava();
 
        virtual void tellPosition(GObject *caller, const NVPoint & );
 
        virtual void OnDraw( VGDevice & hdc ) const;
        virtual void setColRef(const TagParameterString *tps);
        virtual bool DeleteStaff(GRStaff * grstaff);
    
    private:
        typedef struct segment {
            float x1 = 0;
            float x2 = 0;
            float x3 = 0;
            float y = 0;
            int   index = 0;
            void reset() { x1 = x2 = x3 = y = 0; }
        } TSegment;
        std::vector<TSegment> fSegments;
        std::map<const GRSystem*, TSegment> fSegmentsMap;
        TSegment fCurrent;
        
        int     fOctava = 0;
        
        NVRect  getExtensionLine (const NEPointerList * assoc, GuidoPos start, GuidoPos end) const;
        NVRect  getEltBox (const GRNotationElement* el) const;
 
        TSegment nvrect2Segment(const NVRect& r) const;
        void     drawText (const TSegment& seg, VGDevice & hdc ) const;
        void     drawLine (const TSegment& seg, bool last, VGDevice & hdc ) const;
 
        GRStaff *   fStaff;
        NVstring    fText;
        bool        fBassa;
        bool        fHidden;
        float       fTextHeight;
        float       fDx = 0;
        float       fDy = 0;
};
 
#endif