129 lines
4.3 KiB
C++
129 lines
4.3 KiB
C++
/************************************************************************
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**
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** @file vspline_p.h
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** @author Roman Telezhynskyi <dismine(at)gmail.com>
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** @date 20 8, 2014
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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 Valentine 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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#ifndef VSPLINE_P_H
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#define VSPLINE_P_H
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#include <QSharedData>
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#include "vpointf.h"
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#include <QLineF>
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#include <QtCore/qmath.h>
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#ifdef Q_CC_GNU
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Weffc++"
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#endif
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class VSplineData : public QSharedData
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{
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public:
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VSplineData()
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:p1(VPointF()), p2(QPointF()), p3(QPointF()), p4(VPointF()), angle1(0), angle2(0), kAsm1(1), kAsm2(1), kCurve(1)
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{}
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VSplineData ( const VSplineData &spline )
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:QSharedData(spline), p1(spline.p1), p2(spline.p2), p3(spline.p3), p4(spline.p4), angle1(spline.angle1),
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angle2(spline.angle2), kAsm1(spline.kAsm1), kAsm2(spline.kAsm2), kCurve(spline.kCurve)
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{}
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VSplineData (VPointF p1, VPointF p4, qreal angle1, qreal angle2, qreal kAsm1, qreal kAsm2, qreal kCurve)
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:p1(p1), p2(QPointF()), p3(QPointF()), p4(p4), angle1(angle1), angle2(angle2), kAsm1(kAsm1), kAsm2(kAsm2),
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kCurve(kCurve)
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{
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qreal L = 0, radius = 0, angle = 90;
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QPointF point1 = this->p1.toQPointF();
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QPointF point4 = this->p4.toQPointF();
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radius = QLineF(point1, point4).length()/M_SQRT2;
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L = kCurve * radius * 4 / 3 * tan( angle * M_PI / 180.0 / 4 );
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QLineF p1p2(this->p1.x(), this->p1.y(), this->p1.x() + L * kAsm1, this->p1.y());
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p1p2.setAngle(angle1);
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QLineF p4p3(this->p4.x(), this->p4.y(), this->p4.x() + L * kAsm2, this->p4.y());
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p4p3.setAngle(angle2);
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this->p2 = p1p2.p2();
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this->p3 = p4p3.p2();
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}
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VSplineData (VPointF p1, QPointF p2, QPointF p3, VPointF p4, qreal kCurve)
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:p1(p1), p2(p2), p3(p3), p4(p4), angle1(0), angle2(0), kAsm1(1), kAsm2(1), kCurve(1)
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{
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this->angle1 = QLineF ( this->p1.toQPointF(), this->p2 ).angle();
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this->angle2 = QLineF ( this->p4.toQPointF(), this->p3 ).angle();
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qreal L = 0, radius = 0, angle = 90;
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QPointF point1 = this->p1.toQPointF();
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QPointF point4 = this->p4.toQPointF();
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radius = QLineF(point1, point4).length()/M_SQRT2;
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L = kCurve * radius * 4 / 3 * tan( angle * M_PI / 180.0 / 4 );
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this->kCurve = kCurve;
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this->kAsm1 = QLineF ( this->p1.toQPointF(), this->p2 ).length()/L;
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this->kAsm2 = QLineF ( this->p4.toQPointF(), this->p3 ).length()/L;
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}
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virtual ~VSplineData();
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/** @brief p1 first spline point. */
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VPointF p1;
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/** @brief p2 first control point. */
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QPointF p2;
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/** @brief p3 second control point. */
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QPointF p3;
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/** @brief p4 last spline point. */
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VPointF p4;
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/** @brief angle1 first angle control line. */
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qreal angle1;
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/** @brief angle2 second angle control line. */
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qreal angle2;
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/** @brief kAsm1 coefficient of length first control line. */
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qreal kAsm1;
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/** @brief kAsm2 coefficient of length second control line. */
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qreal kAsm2;
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/** @brief kCurve coefficient of curvature spline. */
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qreal kCurve;
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private:
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VSplineData &operator=(const VSplineData &) Q_DECL_EQ_DELETE;
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};
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VSplineData::~VSplineData()
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{}
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#ifdef Q_CC_GNU
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#pragma GCC diagnostic pop
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#endif
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#endif // VSPLINE_P_H
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