660efa3844
* * * Fix tool union bugs. * * * Fix preparing pieces for layout. * * * Fix bug with formulas. --HG-- branch : feature
499 lines
17 KiB
C++
499 lines
17 KiB
C++
/************************************************************************
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**
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** @file vellipticalarc.cpp
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** @author Valentina Zhuravska <zhuravska19(at)gmail.com>
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** @date February 1, 2016
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**
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** @brief
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** @copyright
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** This source code is part of the Valentina project, a pattern making
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** program, whose allow create and modeling patterns of clothing.
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** Copyright (C) 2013-2015 Valentina project
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** <https://bitbucket.org/dismine/valentina> All Rights Reserved.
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**
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** Valentina is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** Valentina is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with Valentina. If not, see <http://www.gnu.org/licenses/>.
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**
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*************************************************************************/
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#include "vellipticalarc.h"
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#include <QLineF>
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#include <QPoint>
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#include "../vmisc/def.h"
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#include "../vmisc/vmath.h"
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#include "../ifc/ifcdef.h"
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#include "../vmisc/vabstractapplication.h"
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#include "vabstractcurve.h"
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#include "vellipticalarc_p.h"
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#include "vspline.h"
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief VEllipticalArc default constructor.
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*/
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VEllipticalArc::VEllipticalArc()
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: VAbstractArc(GOType::EllipticalArc), d (new VEllipticalArcData)
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{}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief VEllipticalArc constructor.
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* @param center center point.
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* @param radius1 arc major radius.
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* @param radius2 arc minor radius.
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* @param f1 start angle (degree).
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* @param f2 end angle (degree).
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*/
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VEllipticalArc::VEllipticalArc (const VPointF ¢er, qreal radius1, qreal radius2, const QString &formulaRadius1,
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const QString &formulaRadius2, qreal f1, const QString &formulaF1, qreal f2,
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const QString &formulaF2, qreal rotationAngle, const QString &formulaRotationAngle,
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quint32 idObject, Draw mode)
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: VAbstractArc(GOType::EllipticalArc, center, f1, formulaF1, f2, formulaF2, idObject, mode),
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d (new VEllipticalArcData(radius1, radius2, formulaRadius1, formulaRadius2, rotationAngle, formulaRotationAngle))
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{
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CreateName();
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}
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//---------------------------------------------------------------------------------------------------------------------
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VEllipticalArc::VEllipticalArc(const VPointF ¢er, qreal radius1, qreal radius2, qreal f1, qreal f2,
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qreal rotationAngle)
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: VAbstractArc(GOType::EllipticalArc, center, f1, f2, NULL_ID, Draw::Calculation),
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d (new VEllipticalArcData(radius1, radius2, rotationAngle))
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{
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CreateName();
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}
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//---------------------------------------------------------------------------------------------------------------------
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VEllipticalArc::VEllipticalArc(qreal length, const QString &formulaLength, const VPointF ¢er, qreal radius1,
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qreal radius2, const QString &formulaRadius1, const QString &formulaRadius2, qreal f1,
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const QString &formulaF1, qreal rotationAngle, const QString &formulaRotationAngle,
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quint32 idObject, Draw mode)
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: VAbstractArc(GOType::EllipticalArc, formulaLength, center, f1, formulaF1, idObject, mode),
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d (new VEllipticalArcData(radius1, radius2, formulaRadius1, formulaRadius2, rotationAngle, formulaRotationAngle))
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{
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CreateName();
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FindF2(length);
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}
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//---------------------------------------------------------------------------------------------------------------------
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VEllipticalArc::VEllipticalArc(qreal length, const VPointF ¢er, qreal radius1, qreal radius2, qreal f1,
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qreal rotationAngle)
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: VAbstractArc(GOType::EllipticalArc, center, f1, NULL_ID, Draw::Calculation),
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d (new VEllipticalArcData(radius1, radius2, rotationAngle))
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{
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CreateName();
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FindF2(length);
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief VEllipticalArc copy constructor
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* @param arc arc
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*/
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VEllipticalArc::VEllipticalArc(const VEllipticalArc &arc)
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: VAbstractArc(arc), d (arc.d)
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{}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief operator = assignment operator
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* @param arc arc
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* @return arc
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*/
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VEllipticalArc &VEllipticalArc::operator =(const VEllipticalArc &arc)
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{
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if ( &arc == this )
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{
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return *this;
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}
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VAbstractArc::operator=(arc);
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d = arc.d;
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return *this;
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}
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//---------------------------------------------------------------------------------------------------------------------
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VEllipticalArc VEllipticalArc::Rotate(const QPointF &originPoint, qreal degrees, const QString &prefix) const
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{
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const VPointF center = GetCenter().Rotate(originPoint, degrees);
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const QPointF p1 = VPointF::RotatePF(originPoint, GetP1(), degrees);
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const QPointF p2 = VPointF::RotatePF(originPoint, GetP2(), degrees);
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const qreal f1 = QLineF(static_cast<QPointF>(center), p1).angle() - GetRotationAngle();
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const qreal f2 = QLineF(static_cast<QPointF>(center), p2).angle() - GetRotationAngle();
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VEllipticalArc elArc(center, GetRadius1(), GetRadius2(), f1, f2, GetRotationAngle());
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elArc.setName(name() + prefix);
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elArc.SetColor(GetColor());
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elArc.SetPenStyle(GetPenStyle());
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elArc.SetFlipped(IsFlipped());
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return elArc;
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}
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//---------------------------------------------------------------------------------------------------------------------
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VEllipticalArc VEllipticalArc::Flip(const QLineF &axis, const QString &prefix) const
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{
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const VPointF center = GetCenter().Flip(axis);
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const QPointF p1 = VPointF::FlipPF(axis, GetP1());
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const QPointF p2 = VPointF::FlipPF(axis, GetP2());
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const qreal f1 = QLineF(static_cast<QPointF>(center), p1).angle() - GetRotationAngle();
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const qreal f2 = QLineF(static_cast<QPointF>(center), p2).angle() - GetRotationAngle();
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VEllipticalArc elArc(center, GetRadius1(), GetRadius2(), f1, f2, GetRotationAngle());
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elArc.setName(name() + prefix);
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elArc.SetColor(GetColor());
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elArc.SetPenStyle(GetPenStyle());
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elArc.SetFlipped(not IsFlipped());
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return elArc;
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}
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//---------------------------------------------------------------------------------------------------------------------
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VEllipticalArc VEllipticalArc::Move(qreal length, qreal angle, const QString &prefix) const
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{
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const VPointF center = GetCenter().Move(length, angle);
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const QPointF p1 = VPointF::MovePF(GetP1(), length, angle);
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const QPointF p2 = VPointF::MovePF(GetP2(), length, angle);
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const qreal f1 = QLineF(static_cast<QPointF>(center), p1).angle() - GetRotationAngle();
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const qreal f2 = QLineF(static_cast<QPointF>(center), p2).angle() - GetRotationAngle();
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VEllipticalArc elArc(center, GetRadius1(), GetRadius2(), f1, f2, GetRotationAngle());
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elArc.setName(name() + prefix);
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elArc.SetColor(GetColor());
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elArc.SetPenStyle(GetPenStyle());
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elArc.SetFlipped(IsFlipped());
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return elArc;
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}
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//---------------------------------------------------------------------------------------------------------------------
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VEllipticalArc::~VEllipticalArc()
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{}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief GetLength return arc length.
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* @return length.
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*/
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qreal VEllipticalArc::GetLength() const
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{
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qreal length = PathLength(GetPoints());
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if (IsFlipped())
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{
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length = length * -1;
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}
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return length;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief GetP1 return point associated with start angle.
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* @return point.
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*/
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QPointF VEllipticalArc::GetP1() const
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{
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return GetPoints().first();
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief GetP2 return point associated with end angle.
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* @return point.
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*/
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QPointF VEllipticalArc::GetP2 () const
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{
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return GetPoints().last();
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief GetPoints return list of points needed for drawing arc.
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* @return list of points
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*/
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QVector<QPointF> VEllipticalArc::GetPoints() const
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{
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QRectF box(GetCenter().x() - d->radius1, GetCenter().y() - d->radius2, d->radius1*2,
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d->radius2*2);
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qreal startAngle = 0;
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qreal endAngle = 0;
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if (not IsFlipped())
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{
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startAngle = GetStartAngle();
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endAngle = GetEndAngle();
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}
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else
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{
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startAngle = GetEndAngle();
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endAngle = GetStartAngle();
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}
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QLineF startLine(GetCenter().x(), GetCenter().y(), GetCenter().x() + d->radius1, GetCenter().y());
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QLineF endLine = startLine;
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startLine.setAngle(startAngle);
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endLine.setAngle(endAngle);
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qreal sweepAngle = startLine.angleTo(endLine);
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if (qFuzzyIsNull(sweepAngle))
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{
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sweepAngle = 360;
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}
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QPainterPath path;
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path.arcTo(box, startAngle, sweepAngle);
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QTransform t;
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t.translate(GetCenter().x(), GetCenter().y());
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t.rotate(-GetRotationAngle());
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t.translate(-GetCenter().x(), -GetCenter().y());
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path = t.map(path);
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QPolygonF polygon;
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const QList<QPolygonF> sub = path.toSubpathPolygons();
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if (not sub.isEmpty())
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{
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polygon = path.toSubpathPolygons().first();
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if (not polygon.isEmpty())
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{
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polygon.removeFirst(); // remove point (0;0)
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}
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}
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return polygon;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief CutArc cut arc into two arcs.
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* @param length length first arc.
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* @param arc1 first arc.
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* @param arc2 second arc.
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* @return point cutting
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*/
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QPointF VEllipticalArc::CutArc(const qreal &length, VEllipticalArc &arc1, VEllipticalArc &arc2) const
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{
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//Always need return two arcs, so we must correct wrong length.
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qreal len = 0;
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const qreal minLength = ToPixel(1, Unit::Mm);
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const qreal fullLength = GetLength();
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if (fullLength <= minLength)
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{
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arc1 = VEllipticalArc();
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arc2 = VEllipticalArc();
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return QPointF();
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}
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const qreal maxLength = fullLength - minLength;
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if (length < minLength)
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{
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len = minLength;
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}
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else if (length > maxLength)
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{
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len = maxLength;
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}
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else
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{
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len = length;
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}
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// the first arc has given length and startAngle just like in the origin arc
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arc1 = VEllipticalArc (len, QString().setNum(length), GetCenter(), d->radius1, d->radius2,
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d->formulaRadius1, d->formulaRadius2, GetStartAngle(), GetFormulaF1(), d->rotationAngle,
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GetFormulaRotationAngle(), getIdObject(), getMode());
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// the second arc has startAngle just like endAngle of the first arc
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// and it has endAngle just like endAngle of the origin arc
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arc2 = VEllipticalArc (GetCenter(), d->radius1, d->radius2, d->formulaRadius1, d->formulaRadius2,
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arc1.GetEndAngle(), arc1.GetFormulaF2(), GetEndAngle(), GetFormulaF2(), d->rotationAngle,
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GetFormulaRotationAngle(), getIdObject(), getMode());
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return arc1.GetP1();
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}
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//---------------------------------------------------------------------------------------------------------------------
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QPointF VEllipticalArc::CutArc(const qreal &length) const
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{
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VEllipticalArc arc1;
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VEllipticalArc arc2;
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return this->CutArc(length, arc1, arc2);
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VEllipticalArc::CreateName()
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{
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QString name = ELARC_ + QString("%1").arg(this->GetCenter().name());
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if (VAbstractCurve::id() != NULL_ID)
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{
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name += QString("_%1").arg(VAbstractCurve::id());
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}
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if (GetDuplicate() > 0)
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{
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name += QString("_%1").arg(GetDuplicate());
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}
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setName(name);
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VEllipticalArc::FindF2(qreal length)
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{
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qreal gap = 180;
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if (length < 0)
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{
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SetFlipped(true);
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gap = -gap;
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}
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while (length > MaxLength())
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{
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length = length - MaxLength();
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}
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// We need to calculate the second angle
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// first approximation of angle between start and end angles
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QLineF radius1(GetCenter().x(), GetCenter().y(), GetCenter().x() + d->radius1, GetCenter().y());
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radius1.setAngle(GetStartAngle());
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radius1.setAngle(radius1.angle() + gap);
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qreal endAngle = radius1.angle();
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// we need to set the end angle, because we want to use GetLength()
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SetFormulaF2(QString::number(endAngle), endAngle);
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qreal lenBez = GetLength(); // first approximation of length
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const qreal eps = ToPixel(0.1, Unit::Mm);
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while (qAbs(lenBez - length) > eps)
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{
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gap = gap/2;
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if (gap < 0.0001)
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{
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break;
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}
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if (lenBez > length)
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{ // we selected too big end angle
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radius1.setAngle(endAngle - qAbs(gap));
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}
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else
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{ // we selected too little end angle
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radius1.setAngle(endAngle + qAbs(gap));
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}
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endAngle = radius1.angle();
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// we need to set d->f2, because we use it when we calculate GetLength
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SetFormulaF2(QString::number(endAngle), endAngle);
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lenBez = GetLength();
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}
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SetFormulaLength(QString::number(qApp->fromPixel(lenBez)));
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}
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//---------------------------------------------------------------------------------------------------------------------
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qreal VEllipticalArc::MaxLength() const
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{
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const qreal h = qPow(d->radius1 - d->radius2, 2) / qPow(d->radius1 + d->radius2, 2);
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const qreal ellipseLength = M_PI * (d->radius1 + d->radius2) * (1+3*h/(10+qSqrt(4-3*h)));
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return ellipseLength;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief GetFormulaRadius1 return formula for major radius.
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* @return radius.
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*/
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QString VEllipticalArc::GetFormulaRadius1() const
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{
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return d->formulaRadius1;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief GetFormulaRadius2 return formula for minor radius.
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* @return radius.
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*/
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QString VEllipticalArc::GetFormulaRadius2() const
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{
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return d->formulaRadius2;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief GetFormulaRotationAngle return formula for rotation angle.
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* @return rotationAngle.
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*/
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QString VEllipticalArc::GetFormulaRotationAngle() const
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{
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return d->formulaRotationAngle;
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VEllipticalArc::SetFormulaRadius1(const QString &formula, qreal value)
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{
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d->formulaRadius1 = formula;
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d->radius1 = value;
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VEllipticalArc::SetFormulaRadius2(const QString &formula, qreal value)
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{
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d->formulaRadius2 = formula;
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d->radius2 = value;
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VEllipticalArc::SetFormulaRotationAngle(const QString &formula, qreal value)
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{
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d->formulaRotationAngle = formula;
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d->rotationAngle = value;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief GetRadius1 return elliptical arc major radius.
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* @return string with formula.
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*/
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qreal VEllipticalArc::GetRadius1() const
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{
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return d->radius1;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief GetRadius2 return elliptical arc minor radius.
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* @return string with formula.
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*/
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qreal VEllipticalArc::GetRadius2() const
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{
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return d->radius2;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief GetRotationAngle return rotation angle.
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* @return rotationAngle.
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*/
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qreal VEllipticalArc::GetRotationAngle() const
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{
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return d->rotationAngle;
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}
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