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://gitlab.com/smart-pattern/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 "vgeometrydef.h"
#include "vgobject.h"

using DirectionArrow = QPair<QLineF, QLineF>;

class QPainterPath;
class VAbstractCurveData;

QT_WARNING_PUSH
QT_WARNING_DISABLE_GCC("-Wsuggest-final-types")
QT_WARNING_DISABLE_GCC("-Wsuggest-final-methods")

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

    auto operator= (const VAbstractCurve &curve) -> VAbstractCurve&;
#ifdef Q_COMPILER_RVALUE_REFS
    VAbstractCurve(VAbstractCurve &&curve) Q_DECL_NOTHROW;
    auto operator=(VAbstractCurve &&curve) Q_DECL_NOTHROW -> VAbstractCurve &;
#endif

    virtual auto GetPoints() const -> QVector<QPointF> =0;
    static auto GetSegmentPoints(const QVector<QPointF> &points, const QPointF &begin, const QPointF &end,
                                  bool reverse, QString &error) -> QVector<QPointF>;
    auto GetSegmentPoints(const QPointF &begin, const QPointF &end, bool reverse,
                          const QString &piece = QString()) const -> QVector<QPointF>;

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

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

    static auto SubdividePath(const QVector<QPointF> &points, QPointF p, QVector<QPointF> &sub1,
                              QVector<QPointF> &sub2) -> bool;

    auto ClosestPoint(QPointF scenePoint) const -> QPointF;

    virtual auto GetStartAngle () const -> qreal=0;
    virtual auto GetEndAngle () const -> qreal=0;

    auto GetDuplicate() const -> quint32;
    void SetDuplicate(quint32 number);

    auto GetColor() const -> QString;
    void SetColor(const QString &color);

    auto GetPenStyle() const -> QString;
    void SetPenStyle(const QString &penStyle);

    auto GetApproximationScale() const -> qreal;
    void SetApproximationScale(qreal value);

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

    static auto CurveIntersectLine(const QVector<QPointF> &points, const QLineF &line) -> QVector<QPointF>;
    static auto CurveIntersectAxis(const QPointF &point, qreal angle, const QVector<QPointF> &curvePoints,
                                   QPointF *intersectionPoint) -> bool;

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

    static auto LengthCurveDirectionArrow() -> qreal;

    void SetAliasSuffix(const QString &aliasSuffix) override;

#if defined(__cpp_constexpr) && __cpp_constexpr-0 >= 201304
    static constexpr qreal minLength = ToPixel(1, Unit::Mm);
#else
    static const qreal minLength;
#endif

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

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

QT_WARNING_POP

Q_DECLARE_TYPEINFO(VAbstractCurve, Q_MOVABLE_TYPE); // NOLINT

#endif // VABSTRACTCURVE_H