valentina/src/libs/vgeometry/vabstractcurve.h

/************************************************************************
 **
 **  @file   vabstractcurve.h
 **  @author Roman Telezhynskyi <dismine(at)gmail.com>
 **  @date   25 6, 2014
 **
 **  @brief
 **  @copyright
 **  This source code is part of the Valentina project, a pattern making
 **  program, whose allow create and modeling patterns of clothing.
 **  Copyright (C) 2013-2015 Valentina project
 **  <https://bitbucket.org/dismine/valentina> All Rights Reserved.
 **
 **  Valentina is free software: you can redistribute it and/or modify
 **  it under the terms of the GNU General Public License as published by
 **  the Free Software Foundation, either version 3 of the License, or
 **  (at your option) any later version.
 **
 **  Valentina is distributed in the hope that it will be useful,
 **  but WITHOUT ANY WARRANTY; without even the implied warranty of
 **  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 **  GNU General Public License for more details.
 **
 **  You should have received a copy of the GNU General Public License
 **  along with Valentina.  If not, see <http://www.gnu.org/licenses/>.
 **
 *************************************************************************/

#ifndef VABSTRACTCURVE_H
#define VABSTRACTCURVE_H

#include <qcompilerdetection.h>
#include <QPointF>
#include <QSharedDataPointer>
#include <QString>
#include <QTypeInfo>
#include <QVector>
#include <QtGlobal>

#include "../ifc/ifcdef.h"
#include "../vmisc/vmath.h"
#include "vgeometrydef.h"
#include "vgobject.h"

typedef QPair<QLineF, QLineF> DirectionArrow;

class QPainterPath;
class VAbstractCurveData;

class VAbstractCurve :public VGObject
{
public:
    explicit VAbstractCurve(const GOType &type, const quint32 &idObject = NULL_ID,
                            const Draw &mode = Draw::Calculation);
    explicit VAbstractCurve(const VAbstractCurve &curve);
    virtual ~VAbstractCurve() override;

    VAbstractCurve& operator= (const VAbstractCurve &curve);
#ifdef Q_COMPILER_RVALUE_REFS
    VAbstractCurve &operator=(VAbstractCurve &&curve) Q_DECL_NOTHROW { Swap(curve); return *this; }
#endif

    inline void Swap(VAbstractCurve &curve) Q_DECL_NOTHROW
    { VGObject::Swap(curve); std::swap(d, curve.d); }

    virtual QVector<QPointF> GetPoints() const =0;
    static QVector<QPointF>  GetSegmentPoints(const QVector<QPointF> &points, const QPointF &begin, const QPointF &end,
                                              bool reverse = false);
    QVector<QPointF>         GetSegmentPoints(const QPointF &begin, const QPointF &end, bool reverse = false) const;

    virtual QPainterPath     GetPath() const;
    virtual qreal            GetLength() const =0;
    qreal                    GetLengthByPoint(const QPointF &point) const;
    virtual QVector<QPointF> IntersectLine(const QLineF &line) const;
    virtual bool             IsIntersectLine(const QLineF &line) const;

    static bool              IsPointOnCurve(const QVector<QPointF> &points, const QPointF &p);
    bool                     IsPointOnCurve(const QPointF &p) const;

    virtual qreal            GetStartAngle () const=0;
    virtual qreal            GetEndAngle () const=0;

    quint32                  GetDuplicate() const;
    void                     SetDuplicate(quint32 number);

    QString                  GetColor() const;
    void                     SetColor(const QString &color);

    QString                  GetPenStyle() const;
    void                     SetPenStyle(const QString &penStyle);

    qreal                    GetApproximationScale() const;
    void                     SetApproximationScale(qreal value);

    static qreal             PathLength(const QVector<QPointF> &path);

    static QVector<QPointF>  CurveIntersectLine(const QVector<QPointF> &points, const QLineF &line);

    virtual QString          NameForHistory(const QString &toolName) const=0;
    virtual QVector<DirectionArrow> DirectionArrows() const;
    static QPainterPath      ShowDirection(const QVector<DirectionArrow> &arrows, qreal width);

    static qreal LengthCurveDirectionArrow();
protected:
    virtual void             CreateName() =0;
private:
    QSharedDataPointer<VAbstractCurveData> d;

    static QVector<QPointF>  FromBegin(const QVector<QPointF> &points, const QPointF &begin, bool *ok = nullptr);
    static QVector<QPointF>  ToEnd(const QVector<QPointF> &points, const QPointF &end, bool *ok = nullptr);
};

Q_DECLARE_TYPEINFO(VAbstractCurve, Q_MOVABLE_TYPE);

#endif // VABSTRACTCURVE_H