tie.h

// Name:        tie.h
// Author:      Rodolfo Zitellini
// Created:     26/06/2012
// Copyright (c) Authors and others. All rights reserved.
 
#ifndef __VRV_TIE_H__
#define __VRV_TIE_H__
 
#include "controlelement.h"
#include "offsetinterface.h"
#include "timeinterface.h"
 
namespace vrv {
 
class Chord;
class Layer;
class Note;
 
//----------------------------------------------------------------------------
// Tie
//----------------------------------------------------------------------------
 
class Tie : public ControlElement,
            public OffsetSpanningInterface,
            public TimeSpanningInterface,
            public AttCurvature,
            public AttLineRendBase {
public:
    Tie();
    Tie(ClassId classId);
    virtual ~Tie();
    Object *Clone() const override { return new Tie(*this); }
    void Reset() override;
    std::string GetClassName() const override { return "tie"; }
 
    OffsetSpanningInterface *GetOffsetSpanningInterface() override { return vrv_cast<OffsetSpanningInterface *>(this); }
    const OffsetSpanningInterface *GetOffsetSpanningInterface() const override
    {
        return vrv_cast<const OffsetSpanningInterface *>(this);
    }
    TimePointInterface *GetTimePointInterface() override { return vrv_cast<TimePointInterface *>(this); }
    const TimePointInterface *GetTimePointInterface() const override
    {
        return vrv_cast<const TimePointInterface *>(this);
    }
    TimeSpanningInterface *GetTimeSpanningInterface() override { return vrv_cast<TimeSpanningInterface *>(this); }
    const TimeSpanningInterface *GetTimeSpanningInterface() const override
    {
        return vrv_cast<const TimeSpanningInterface *>(this);
    }
 
    virtual bool CalculatePosition(
        const Doc *doc, const Staff *staff, int x1, int x2, int spanningType, Point bezier[4]);
 
    int CalculateAdjacentChordXOffset(const Doc *doc, const Staff *staff, const Chord *parentChord, const Note *note,
        curvature_CURVEDIR drawingCurveDir, int initialX, bool isStartPoint) const;
 
    //----------//
    // Functors //
    //----------//
 
    FunctorCode Accept(Functor &functor) override;
    FunctorCode Accept(ConstFunctor &functor) const override;
    FunctorCode AcceptEnd(Functor &functor) override;
    FunctorCode AcceptEnd(ConstFunctor &functor) const override;
 
private:
    // Update tie positioning based overlaps with accidentals in cases with enharmonic ties
    bool AdjustEnharmonicTies(const Doc *doc, const FloatingCurvePositioner *curve, Point bezier[4],
        const Note *startNote, const Note *endNote, curvature_CURVEDIR drawingCurveDir) const;
 
    // Calculate the initial X position and return true if the tie endpoints should be adjusted vertically
    bool CalculateXPosition(const Doc *doc, const Staff *staff, const Chord *startParentChord,
        const Chord *endParentChord, int spanningType, bool isOuterChordNote, Point &startPoint, Point &endPoint,
        curvature_CURVEDIR drawingCurveDir) const;
 
    // Helper function to get preferred curve direction based on the number of conditions (like note direction, position
    // on the staff, etc.)
    curvature_CURVEDIR GetPreferredCurveDirection(const Layer *layer, const Note *note, const Chord *startParentChord,
        data_STEMDIRECTION noteStemDir, bool isAboveStaffCenter) const;
 
    // Update tie positioning based on the overlaps with possible layerElements such as dots/flags
    void UpdateTiePositioning(const FloatingCurvePositioner *curve, Point bezier[4], const LayerElement *durElement,
        const Note *startNote, int height, curvature_CURVEDIR drawingCurveDir) const;
 
public:
    //
private:
};
 
} // namespace vrv
 
#endif