valentina/src/libs/vlayout/vabstractpiece.h

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/************************************************************************
**
** @file
** @author Roman Telezhynskyi <dismine(at)gmail.com>
** @date 3 11, 2016
**
** @brief
** @copyright
** This source code is part of the Valentine project, a pattern making
** program, whose allow create and modeling patterns of clothing.
** Copyright (C) 2016 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 VABSTRACTPIECE_H
#define VABSTRACTPIECE_H
#include <QtGlobal>
#include <QSharedDataPointer>
#include <QPointF>
#include <QDebug>
#include "../vmisc/diagnostic.h"
#include "../vmisc/def.h"
#include "../vgeometry/vgobject.h"
template <class T> class QVector;
class VAbstractPieceData;
QT_WARNING_PUSH
QT_WARNING_DISABLE_GCC("-Weffc++")
/**
* @brief The VSAPoint class seam allowance point
*/
class VSAPoint : public QPointF
{
public:
Q_DECL_CONSTEXPR VSAPoint();
Q_DECL_CONSTEXPR VSAPoint(qreal xpos, qreal ypos);
Q_DECL_CONSTEXPR explicit VSAPoint(const QPointF &p);
Q_DECL_CONSTEXPR qreal GetSABefore() const;
qreal GetSABefore(qreal width) const;
void SetSABefore(qreal value);
Q_DECL_CONSTEXPR qreal GetSAAfter() const;
qreal GetSAAfter(qreal width) const;
void SetSAAfter(qreal value);
Q_DECL_CONSTEXPR PieceNodeAngle GetAngleType() const;
void SetAngleType(PieceNodeAngle value);
private:
qreal m_before;
qreal m_after;
PieceNodeAngle m_angle;
};
Q_DECLARE_METATYPE(VSAPoint)
Q_DECLARE_TYPEINFO(VSAPoint, Q_MOVABLE_TYPE);
//---------------------------------------------------------------------------------------------------------------------
Q_DECL_CONSTEXPR inline VSAPoint::VSAPoint()
: QPointF(),
m_before(-1),
m_after(-1),
m_angle(PieceNodeAngle::ByLength)
{}
//---------------------------------------------------------------------------------------------------------------------
Q_DECL_CONSTEXPR inline VSAPoint::VSAPoint(qreal xpos, qreal ypos)
: QPointF(xpos, ypos),
m_before(-1),
m_after(-1),
m_angle(PieceNodeAngle::ByLength)
{}
//---------------------------------------------------------------------------------------------------------------------
Q_DECL_CONSTEXPR inline VSAPoint::VSAPoint(const QPointF &p)
: QPointF(p),
m_before(-1),
m_after(-1),
m_angle(PieceNodeAngle::ByLength)
{}
//---------------------------------------------------------------------------------------------------------------------
Q_DECL_CONSTEXPR inline qreal VSAPoint::GetSABefore() const
{
return m_before;
}
//---------------------------------------------------------------------------------------------------------------------
inline void VSAPoint::SetSABefore(qreal value)
{
value < 0 ? m_before = -1 : m_before = value;
}
//---------------------------------------------------------------------------------------------------------------------
Q_DECL_CONSTEXPR inline qreal VSAPoint::GetSAAfter() const
{
return m_after;
}
//---------------------------------------------------------------------------------------------------------------------
inline void VSAPoint::SetSAAfter(qreal value)
{
value < 0 ? m_after = -1 : m_after = value;
}
//---------------------------------------------------------------------------------------------------------------------
Q_DECL_CONSTEXPR inline PieceNodeAngle VSAPoint::GetAngleType() const
{
return m_angle;
}
//---------------------------------------------------------------------------------------------------------------------
inline void VSAPoint::SetAngleType(PieceNodeAngle value)
{
m_angle = value;
}
QT_WARNING_POP
class VAbstractPiece
{
public:
VAbstractPiece();
VAbstractPiece(const VAbstractPiece &piece);
virtual ~VAbstractPiece();
VAbstractPiece &operator=(const VAbstractPiece &piece);
#ifdef Q_COMPILER_RVALUE_REFS
VAbstractPiece &operator=(VAbstractPiece &&piece) Q_DECL_NOTHROW { Swap(piece); return *this; }
#endif
void Swap(VAbstractPiece &piece) Q_DECL_NOTHROW
{ std::swap(d, piece.d); }
QString GetName() const;
void SetName(const QString &value);
bool IsForbidFlipping() const;
void SetForbidFlipping(bool value);
bool IsSeamAllowance() const;
void SetSeamAllowance(bool value);
bool IsSeamAllowanceBuiltIn() const;
void SetSeamAllowanceBuiltIn(bool value);
qreal GetSAWidth() const;
void SetSAWidth(qreal value);
static QVector<QPointF> Equidistant(const QVector<VSAPoint> &points, qreal width);
static qreal SumTrapezoids(const QVector<QPointF> &points);
static QVector<QPointF> CheckLoops(const QVector<QPointF> &points);
static QVector<QPointF> EkvPoint(const VSAPoint &p1Line1, const VSAPoint &p2Line1,
const VSAPoint &p1Line2, const VSAPoint &p2Line2, qreal width);
static QLineF ParallelLine(const VSAPoint &p1, const VSAPoint &p2, qreal width);
template <class T>
static QVector<T> CorrectEquidistantPoints(const QVector<T> &points, bool removeFirstAndLast = true);
protected:
template <class T>
static QVector<T> RemoveDublicates(const QVector<T> &points, bool removeFirstAndLast = true);
static qreal MaxLocalSA(const VSAPoint &p, qreal width);
static bool IsEkvPointOnLine(const VSAPoint &iPoint, const VSAPoint &prevPoint, const VSAPoint &nextPoint);
private:
QSharedDataPointer<VAbstractPieceData> d;
static bool CheckIntersection(const QVector<QPointF> &points, int i, int iNext, int j, int jNext,
const QPointF &crossPoint);
static bool ParallelCrossPoint(const QLineF &line1, const QLineF &line2, QPointF &point);
static bool Crossing(const QVector<QPointF> &sub1, const QVector<QPointF> &sub2);
static QVector<QPointF> SubPath(const QVector<QPointF> &path, int startIndex, int endIndex);
static Q_DECL_CONSTEXPR qreal PointPosition(const QPointF &p, const QLineF &line);
static QVector<QPointF> AngleByLength(const QPointF &p2, const QPointF &sp1, const QPointF &sp2, const QPointF &sp3,
qreal width);
static QVector<QPointF> AngleByIntersection(const QPointF &p1, const QPointF &p2, const QPointF &p3,
const QPointF &sp1, const QPointF &sp2, const QPointF &sp3,
qreal width);
static QVector<QPointF> AngleByFirstSymmetry(const QPointF &p1, const QPointF &p2,
const QPointF &sp1, const QPointF &sp2, const QPointF &sp3,
qreal width);
static QVector<QPointF> AngleBySecondSymmetry(const QPointF &p2, const QPointF &p3,
const QPointF &sp1, const QPointF &sp2, const QPointF &sp3,
qreal width);
static QVector<QPointF> AngleByFirstRightAngle(const QPointF &p1, const QPointF &p2,
const QPointF &sp1, const QPointF &sp2, const QPointF &sp3,
qreal width);
static QVector<QPointF> AngleBySecondRightAngle(const QPointF &p2, const QPointF &p3,
const QPointF &sp1, const QPointF &sp2, const QPointF &sp3,
qreal width);
static QLineF ParallelLine(const QPointF &p1, const QPointF &p2, qreal width);
static QPointF SingleParallelPoint(const QPointF &p1, const QPointF &p2, qreal angle, qreal width);
static QLineF BisectorLine(const QPointF &p1, const QPointF &p2, const QPointF &p3);
static qreal AngleBetweenBisectors(const QLineF &b1, const QLineF &b2);
static bool IsEkvPointOnLine(const QPointF &iPoint, const QPointF &prevPoint, const QPointF &nextPoint);
};
Q_DECLARE_TYPEINFO(VAbstractPiece, Q_MOVABLE_TYPE);
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief CorrectEquidistantPoints clear equivalent points and remove point on line from equdistant.
* @param points list of points equdistant.
* @return corrected list.
*/
template <class T>
QVector<T> VAbstractPiece::CorrectEquidistantPoints(const QVector<T> &points, bool removeFirstAndLast)
{
if (points.size()<4)//Better don't check if only three points. We can destroy equidistant.
{
qDebug()<<"Only three points.";
return points;
}
//Clear equivalent points
QVector<T> buf1 = RemoveDublicates(points, removeFirstAndLast);
if (buf1.size()<3)
{
return buf1;
}
int prev = -1;
QVector<T> buf2;
//Remove point on line
for (qint32 i = 0; i < buf1.size(); ++i)
{// In this case we alwayse will have bounded intersection, so all is need is to check if point i is on line.
// Unfortunatelly QLineF::intersect can't be used in this case because of the floating-point accuraccy problem.
if (prev == -1)
{
i == 0 ? prev = buf1.size() - 1 : prev = i-1;
}
int next = i+1;
if (i == buf1.size() - 1)
{
next = 0;
}
const T &iPoint = buf1.at(i);
const T &prevPoint = buf1.at(prev);
const T &nextPoint = buf1.at(next);
if (not (IsEkvPointOnLine(iPoint, prevPoint, nextPoint) && prevPoint == nextPoint/*not zigzag*/)
// If RemoveDublicates does not remove these points it is a valid case.
// Case where last point equal first point
|| ((i == 0 || i == buf1.size() - 1) && (iPoint == prevPoint || iPoint == nextPoint)))
{
buf2.append(iPoint);
prev = -1;
}
}
buf2 = RemoveDublicates(buf2, false);
return buf2;
}
//---------------------------------------------------------------------------------------------------------------------
template <class T>
QVector<T> VAbstractPiece::RemoveDublicates(const QVector<T> &points, bool removeFirstAndLast)
{
QVector<T> p = points;
if (removeFirstAndLast)
{
if (not p.isEmpty() && p.size() > 1)
{
// Path can't be closed
if (p.first() == p.last())
{
#if QT_VERSION < QT_VERSION_CHECK(5, 1, 0)
p.remove(p.size() - 1);
#else
p.removeLast();
#endif
}
}
}
for (int i = 0; i < p.size()-1; ++i)
{
if (p.at(i) == p.at(i+1))
{
if (not removeFirstAndLast && (i == p.size()-1))
{
continue;
}
p.erase(p.begin() + i + 1);
--i;
continue;
}
}
return p;
}
#endif // VABSTRACTPIECE_H