calcslurdirectionfunctor.h

// Name:        calcslurdirectionfunctor.h
// Author:      David Bauer
// Created:     2023
// Copyright (c) Authors and others. All rights reserved.
 
#ifndef __VRV_CALCSLURDIRECTIONFUNCTOR_H__
#define __VRV_CALCSLURDIRECTIONFUNCTOR_H__
 
#include "functor.h"
 
namespace vrv {
 
//----------------------------------------------------------------------------
// CalcSlurDirectionFunctor
//----------------------------------------------------------------------------
 
class CalcSlurDirectionFunctor : public DocFunctor {
public:
    CalcSlurDirectionFunctor(Doc *doc);
    virtual ~CalcSlurDirectionFunctor() = default;
 
    /*
     * Abstract base implementation
     */
    bool ImplementsEndInterface() const override { return false; }
 
    /*
     * Functor interface
     */
    FunctorCode VisitLayerElement(LayerElement *layerElement) override;
    FunctorCode VisitSlur(Slur *slur) override;
 
protected:
    //
private:
    // Determine curve direction for the slurs that start at grace note
    curvature_CURVEDIR GetGraceCurveDirection(const Slur *slur) const;
    // Get preferred curve direction based on various conditions
    curvature_CURVEDIR GetPreferredCurveDirection(
        const Slur *slur, data_STEMDIRECTION noteStemDir, bool isAboveStaffCenter, bool isGraceToNoteSlur) const;
 
public:
    //
private:
    //
};
 
} // namespace vrv
 
#endif // __VRV_CALCSLURDIRECTIONFUNCTOR_H__