GRTremolo.h

#ifndef GRTremolo_H
#define GRTremolo_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 "GRPTagARNotationElement.h"
#include "GRGlobalStem.h"
 
class ARTremolo;
class GRStaff;
 
class GRTremolo : public GRPTagARNotationElement
{
    public:
                     GRTremolo( GRStaff * stf, const ARTremolo * artrem );
        virtual     ~GRTremolo() {}
 
        virtual void    OnDraw( VGDevice & hdc ) const;
        virtual void    tellPosition(GObject * caller, const NVPoint & np );
        virtual unsigned int getTextAlign() const;
    
        bool    isTwoNotesTremolo() { return fIsTwoNotesTremolo; }
    
    protected:
    
        GRGlobalStem * findGlobalStem( GRSystemStartEndStruct * sse, GRNotationElement * stemOwner ) const;
        void computeSimpleStrokesCoordinates( NVPoint pos, float coorX[4], float coorY[4] ) const;
        void computeTwoNotesStrokesCoordinates( NVPoint firstPos, NVPoint endPos, float coorX[4], float coorY[4] ) const;
    
        int fNumberOfStrokes;
        int fBeamCount;
        TYPE_DURATION fSpeed;
        std::string fPitch;
        std::string fText;
        float dx;
        float dy;
        float fThickness;
        bool fIsTwoNotesTremolo;
        NVPoint fStartPos;
        NVPoint fEndPos;
        float fStep;
        float fDeltaY;
        float fWidth;
};
#endif