/************************************************************************ ** ** @file vellipticalarc.cpp ** @author Valentina Zhuravska ** @date February 1, 2016 ** ** @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 ** 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 . ** *************************************************************************/ #include "vellipticalarc.h" #include #include #include "../vmisc/def.h" #include "../vmisc/vmath.h" #include "../ifc/ifcdef.h" #include "../vmisc/vabstractapplication.h" #include "vabstractcurve.h" #include "vellipticalarc_p.h" #include "vspline.h" //--------------------------------------------------------------------------------------------------------------------- /** * @brief VEllipticalArc default constructor. */ VEllipticalArc::VEllipticalArc() : VAbstractArc(GOType::EllipticalArc), d (new VEllipticalArcData) {} //--------------------------------------------------------------------------------------------------------------------- /** * @brief VEllipticalArc constructor. * @param center center point. * @param radius1 arc major radius. * @param radius2 arc minor radius. * @param f1 start angle (degree). * @param f2 end angle (degree). */ VEllipticalArc::VEllipticalArc (const VPointF ¢er, qreal radius1, qreal radius2, const QString &formulaRadius1, const QString &formulaRadius2, qreal f1, const QString &formulaF1, qreal f2, const QString &formulaF2, qreal rotationAngle, const QString &formulaRotationAngle, quint32 idObject, Draw mode) : VAbstractArc(GOType::EllipticalArc, center, f1, formulaF1, f2, formulaF2, idObject, mode), d (new VEllipticalArcData(radius1, radius2, formulaRadius1, formulaRadius2, rotationAngle, formulaRotationAngle)) { CreateName(); } //--------------------------------------------------------------------------------------------------------------------- VEllipticalArc::VEllipticalArc(const VPointF ¢er, qreal radius1, qreal radius2, qreal f1, qreal f2, qreal rotationAngle) : VAbstractArc(GOType::EllipticalArc, center, f1, f2, NULL_ID, Draw::Calculation), d (new VEllipticalArcData(radius1, radius2, rotationAngle)) { CreateName(); } //--------------------------------------------------------------------------------------------------------------------- VEllipticalArc::VEllipticalArc(qreal length, const QString &formulaLength, const VPointF ¢er, qreal radius1, qreal radius2, const QString &formulaRadius1, const QString &formulaRadius2, qreal f1, const QString &formulaF1, qreal rotationAngle, const QString &formulaRotationAngle, quint32 idObject, Draw mode) : VAbstractArc(GOType::EllipticalArc, formulaLength, center, f1, formulaF1, idObject, mode), d (new VEllipticalArcData(radius1, radius2, formulaRadius1, formulaRadius2, rotationAngle, formulaRotationAngle)) { CreateName(); FindF2(length); } //--------------------------------------------------------------------------------------------------------------------- VEllipticalArc::VEllipticalArc(qreal length, const VPointF ¢er, qreal radius1, qreal radius2, qreal f1, qreal rotationAngle) : VAbstractArc(GOType::EllipticalArc, center, f1, NULL_ID, Draw::Calculation), d (new VEllipticalArcData(radius1, radius2, rotationAngle)) { CreateName(); FindF2(length); } //--------------------------------------------------------------------------------------------------------------------- /** * @brief VEllipticalArc copy constructor * @param arc arc */ VEllipticalArc::VEllipticalArc(const VEllipticalArc &arc) : VAbstractArc(arc), d (arc.d) {} //--------------------------------------------------------------------------------------------------------------------- /** * @brief operator = assignment operator * @param arc arc * @return arc */ VEllipticalArc &VEllipticalArc::operator =(const VEllipticalArc &arc) { if ( &arc == this ) { return *this; } VAbstractArc::operator=(arc); d = arc.d; return *this; } //--------------------------------------------------------------------------------------------------------------------- VEllipticalArc VEllipticalArc::Rotate(QPointF originPoint, qreal degrees, const QString &prefix) const { originPoint = d->m_transform.inverted().map(originPoint); QTransform t = d->m_transform; t.translate(originPoint.x(), originPoint.y()); t.rotate(-degrees); t.translate(-originPoint.x(), -originPoint.y()); VEllipticalArc elArc(VAbstractArc::GetCenter(), GetRadius1(), GetRadius2(), VAbstractArc::GetStartAngle(), VAbstractArc::GetEndAngle(), GetRotationAngle()); elArc.setName(name() + prefix); elArc.SetColor(GetColor()); elArc.SetPenStyle(GetPenStyle()); elArc.SetFlipped(IsFlipped()); elArc.SetTransform(t); return elArc; } //--------------------------------------------------------------------------------------------------------------------- VEllipticalArc VEllipticalArc::Flip(const QLineF &axis, const QString &prefix) const { VEllipticalArc elArc(VAbstractArc::GetCenter(), GetRadius1(), GetRadius2(), VAbstractArc::GetStartAngle(), VAbstractArc::GetEndAngle(), GetRotationAngle()); elArc.setName(name() + prefix); elArc.SetColor(GetColor()); elArc.SetPenStyle(GetPenStyle()); elArc.SetFlipped(not IsFlipped()); elArc.SetTransform(d->m_transform * VGObject::FlippingMatrix(d->m_transform.inverted().map(axis))); return elArc; } //--------------------------------------------------------------------------------------------------------------------- VEllipticalArc VEllipticalArc::Move(qreal length, qreal angle, const QString &prefix) const { const VPointF oldCenter = VAbstractArc::GetCenter(); const VPointF center = oldCenter.Move(length, angle); const QPointF position = d->m_transform.inverted().map(center.toQPointF()) - d->m_transform.inverted().map(oldCenter.toQPointF()); QTransform t = d->m_transform; t.translate(position.x(), position.y()); VEllipticalArc elArc(oldCenter, GetRadius1(), GetRadius2(), VAbstractArc::GetStartAngle(), VAbstractArc::GetEndAngle(), GetRotationAngle()); elArc.setName(name() + prefix); elArc.SetColor(GetColor()); elArc.SetPenStyle(GetPenStyle()); elArc.SetFlipped(IsFlipped()); elArc.SetTransform(t); return elArc; } //--------------------------------------------------------------------------------------------------------------------- VEllipticalArc::~VEllipticalArc() {} //--------------------------------------------------------------------------------------------------------------------- /** * @brief GetLength return arc length. * @return length. */ qreal VEllipticalArc::GetLength() const { qreal length = PathLength(GetPoints()); if (IsFlipped()) { length = length * -1; } return length; } //--------------------------------------------------------------------------------------------------------------------- /** * @brief GetP1 return point associated with start angle. * @return point. */ QPointF VEllipticalArc::GetP1() const { return GetTransform().map(GetP(VAbstractArc::GetStartAngle())); } //--------------------------------------------------------------------------------------------------------------------- /** * @brief GetP2 return point associated with end angle. * @return point. */ QPointF VEllipticalArc::GetP2 () const { return GetTransform().map(GetP(VAbstractArc::GetEndAngle())); } //--------------------------------------------------------------------------------------------------------------------- QTransform VEllipticalArc::GetTransform() const { return d->m_transform; } //--------------------------------------------------------------------------------------------------------------------- void VEllipticalArc::SetTransform(const QTransform &matrix, bool combine) { d->m_transform = combine ? d->m_transform * matrix : matrix; } //--------------------------------------------------------------------------------------------------------------------- VPointF VEllipticalArc::GetCenter() const { VPointF center = VAbstractArc::GetCenter(); const QPointF p = d->m_transform.map(center.toQPointF()); center.setX(p.x()); center.setY(p.y()); return center; } //--------------------------------------------------------------------------------------------------------------------- /** * @brief GetPoints return list of points needed for drawing arc. * @return list of points */ QVector VEllipticalArc::GetPoints() const { const QPointF center = VAbstractArc::GetCenter().toQPointF(); QRectF box(center.x() - d->radius1, center.y() - d->radius2, d->radius1*2, d->radius2*2); QLineF startLine(center.x(), center.y(), center.x() + d->radius1, center.y()); QLineF endLine = startLine; startLine.setAngle(VAbstractArc::GetStartAngle()); endLine.setAngle(VAbstractArc::GetEndAngle()); qreal sweepAngle = startLine.angleTo(endLine); if (qFuzzyIsNull(sweepAngle)) { sweepAngle = 360; } QPainterPath path; path.arcTo(box, VAbstractArc::GetStartAngle(), sweepAngle); QTransform t = d->m_transform; t.translate(center.x(), center.y()); t.rotate(-GetRotationAngle()); t.translate(-center.x(), -center.y()); path = t.map(path); QPolygonF polygon; const QList sub = path.toSubpathPolygons(); if (not sub.isEmpty()) { polygon = path.toSubpathPolygons().first(); if (not polygon.isEmpty()) { polygon.removeFirst(); // remove point (0;0) } } return polygon; } //--------------------------------------------------------------------------------------------------------------------- qreal VEllipticalArc::GetStartAngle() const { return QLineF(GetCenter().toQPointF(), GetP1()).angle() - GetRotationAngle(); } //--------------------------------------------------------------------------------------------------------------------- qreal VEllipticalArc::GetEndAngle() const { return QLineF(GetCenter().toQPointF(), GetP2()).angle() - GetRotationAngle(); } //--------------------------------------------------------------------------------------------------------------------- /** * @brief CutArc cut arc into two arcs. * @param length length first arc. * @param arc1 first arc. * @param arc2 second arc. * @return point cutting */ QPointF VEllipticalArc::CutArc(const qreal &length, VEllipticalArc &arc1, VEllipticalArc &arc2) const { //Always need return two arcs, so we must correct wrong length. qreal len = 0; const qreal minLength = ToPixel(1, Unit::Mm); const qreal fullLength = GetLength(); if (fullLength <= minLength) { arc1 = VEllipticalArc(); arc2 = VEllipticalArc(); return QPointF(); } const qreal maxLength = fullLength - minLength; if (length < minLength) { len = minLength; } else if (length > maxLength) { len = maxLength; } else { len = length; } // the first arc has given length and startAngle just like in the origin arc arc1 = VEllipticalArc (len, QString().setNum(length), GetCenter(), d->radius1, d->radius2, d->formulaRadius1, d->formulaRadius2, GetStartAngle(), GetFormulaF1(), d->rotationAngle, GetFormulaRotationAngle(), getIdObject(), getMode()); // the second arc has startAngle just like endAngle of the first arc // and it has endAngle just like endAngle of the origin arc arc2 = VEllipticalArc (GetCenter(), d->radius1, d->radius2, d->formulaRadius1, d->formulaRadius2, arc1.GetEndAngle(), arc1.GetFormulaF2(), GetEndAngle(), GetFormulaF2(), d->rotationAngle, GetFormulaRotationAngle(), getIdObject(), getMode()); return arc1.GetP1(); } //--------------------------------------------------------------------------------------------------------------------- QPointF VEllipticalArc::CutArc(const qreal &length) const { VEllipticalArc arc1; VEllipticalArc arc2; return this->CutArc(length, arc1, arc2); } //--------------------------------------------------------------------------------------------------------------------- void VEllipticalArc::CreateName() { QString name = ELARC_ + QString("%1").arg(this->GetCenter().name()); if (VAbstractCurve::id() != NULL_ID) { name += QString("_%1").arg(VAbstractCurve::id()); } if (GetDuplicate() > 0) { name += QString("_%1").arg(GetDuplicate()); } setName(name); } //--------------------------------------------------------------------------------------------------------------------- void VEllipticalArc::FindF2(qreal length) { qreal gap = 180; if (length < 0) { SetFlipped(true); gap = -gap; } while (length > MaxLength()) { length = MaxLength(); } // We need to calculate the second angle // first approximation of angle between start and end angles QLineF radius1(GetCenter().x(), GetCenter().y(), GetCenter().x() + d->radius1, GetCenter().y()); radius1.setAngle(GetStartAngle()); radius1.setAngle(radius1.angle() + gap); qreal endAngle = radius1.angle(); // we need to set the end angle, because we want to use GetLength() SetFormulaF2(QString::number(endAngle), endAngle); qreal lenBez = GetLength(); // first approximation of length const qreal eps = ToPixel(0.001, Unit::Mm); while (qAbs(lenBez - length) > eps) { gap = gap/2; if (gap < 0.0001) { break; } if (lenBez > length) { // we selected too big end angle radius1.setAngle(endAngle - qAbs(gap)); } else { // we selected too little end angle radius1.setAngle(endAngle + qAbs(gap)); } endAngle = radius1.angle(); // we need to set d->f2, because we use it when we calculate GetLength SetFormulaF2(QString::number(endAngle), endAngle); lenBez = GetLength(); } SetFormulaLength(QString::number(qApp->fromPixel(lenBez))); } //--------------------------------------------------------------------------------------------------------------------- qreal VEllipticalArc::MaxLength() const { const qreal h = qPow(d->radius1 - d->radius2, 2) / qPow(d->radius1 + d->radius2, 2); const qreal ellipseLength = M_PI * (d->radius1 + d->radius2) * (1+3*h/(10+qSqrt(4-3*h))); return ellipseLength; } //--------------------------------------------------------------------------------------------------------------------- QPointF VEllipticalArc::GetP(qreal angle) const { QLineF line(0, 0, 100, 0); line.setAngle(angle); const qreal a = line.p2().x() / GetRadius1(); const qreal b = line.p2().y() / GetRadius2(); const qreal k = qSqrt(a*a + b*b); QPointF p(line.p2().x() / k, line.p2().y() / k); QLineF line2(QPointF(), p); SCASSERT(VFuzzyComparePossibleNulls(line2.angle(), line.angle())) line2.setAngle(line2.angle() + GetRotationAngle()); return line2.p2() + VAbstractArc::GetCenter().toQPointF(); } //--------------------------------------------------------------------------------------------------------------------- /** * @brief GetFormulaRadius1 return formula for major radius. * @return radius. */ QString VEllipticalArc::GetFormulaRadius1() const { return d->formulaRadius1; } //--------------------------------------------------------------------------------------------------------------------- /** * @brief GetFormulaRadius2 return formula for minor radius. * @return radius. */ QString VEllipticalArc::GetFormulaRadius2() const { return d->formulaRadius2; } //--------------------------------------------------------------------------------------------------------------------- /** * @brief GetFormulaRotationAngle return formula for rotation angle. * @return rotationAngle. */ QString VEllipticalArc::GetFormulaRotationAngle() const { return d->formulaRotationAngle; } //--------------------------------------------------------------------------------------------------------------------- void VEllipticalArc::SetFormulaRadius1(const QString &formula, qreal value) { d->formulaRadius1 = formula; d->radius1 = value; } //--------------------------------------------------------------------------------------------------------------------- void VEllipticalArc::SetFormulaRadius2(const QString &formula, qreal value) { d->formulaRadius2 = formula; d->radius2 = value; } //--------------------------------------------------------------------------------------------------------------------- void VEllipticalArc::SetFormulaRotationAngle(const QString &formula, qreal value) { d->formulaRotationAngle = formula; d->rotationAngle = value; } //--------------------------------------------------------------------------------------------------------------------- /** * @brief GetRadius1 return elliptical arc major radius. * @return string with formula. */ qreal VEllipticalArc::GetRadius1() const { return d->radius1; } //--------------------------------------------------------------------------------------------------------------------- /** * @brief GetRadius2 return elliptical arc minor radius. * @return string with formula. */ qreal VEllipticalArc::GetRadius2() const { return d->radius2; } //--------------------------------------------------------------------------------------------------------------------- /** * @brief GetRotationAngle return rotation angle. * @return rotationAngle. */ qreal VEllipticalArc::GetRotationAngle() const { return d->rotationAngle; }