462 lines
15 KiB
C++
462 lines
15 KiB
C++
/************************************************************************
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**
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** @file vabstractdetail.cpp
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** @author Roman Telezhynskyi <dismine(at)gmail.com>
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** @date 2 1, 2015
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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) 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 "vabstractdetail.h"
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#include "vabstractdetail_p.h"
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#include <QVector>
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#include <QPointF>
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#include <QLineF>
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief VAbstractDetail default contructor. Create empty detail.
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*/
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VAbstractDetail::VAbstractDetail()
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:d(new VAbstractDetailData)
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{}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief VAbstractDetail constructor.
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* @param name detail name.
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*/
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VAbstractDetail::VAbstractDetail(const QString &name)
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:d(new VAbstractDetailData(name))
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{}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief VAbstractDetail copy constructor.
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* @param detail detail.
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*/
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VAbstractDetail::VAbstractDetail(const VAbstractDetail &detail)
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:d (detail.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 detail detail.
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* @return new detail.
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*/
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VAbstractDetail &VAbstractDetail::operator=(const VAbstractDetail &detail)
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{
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if ( &detail == this )
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{
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return *this;
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}
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d = detail.d;
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return *this;
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}
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//---------------------------------------------------------------------------------------------------------------------
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VAbstractDetail::~VAbstractDetail()
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{}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief Clear detail full clear.
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*/
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void VAbstractDetail::Clear()
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{
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d->name.clear();
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d->seamAllowance = false;
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d->closed = true;
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d->width = 0;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief getName return detail name.
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* @return name.
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*/
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QString VAbstractDetail::getName() const
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{
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return d->name;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief setName set detail name.
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* @param value new name.
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*/
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void VAbstractDetail::setName(const QString &value)
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{
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d->name = value;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief getSeamAllowance keep status for seam allowance detail.
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* @return true - need seam allowance, false - no need seam allowance.
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*/
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bool VAbstractDetail::getSeamAllowance() const
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{
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return d->seamAllowance;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief setSeamAllowance set status for seam allowance detail.
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* @param value true - need seam allowance, false - no need seam allowance.
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*/
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void VAbstractDetail::setSeamAllowance(bool value)
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{
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d->seamAllowance = value;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief getClosed keep close status for detail equdistant.
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* @return true - close equdistant, false - don't close equdistant.
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*/
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bool VAbstractDetail::getClosed() const
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{
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return d->closed;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief setClosed set close status for detail equdistant.
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* @param value true - close equdistant, false - don't close equdistant.
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*/
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void VAbstractDetail::setClosed(bool value)
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{
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d->closed = value;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief getWidth return value detail seam allowance.
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* @return value in mm.
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*/
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qreal VAbstractDetail::getWidth() const
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{
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return d->width;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief setWidth set value detail seam allowance.
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* @param value width in mm.
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*/
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void VAbstractDetail::setWidth(const qreal &value)
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{
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d->width = value;
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}
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//---------------------------------------------------------------------------------------------------------------------
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QVector<QPointF> VAbstractDetail::Equidistant(const QVector<QPointF> &points, const EquidistantType &eqv, qreal width)
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{
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QVector<QPointF> ekvPoints;
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if (width <= 0)
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{
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qDebug()<<"Width <= 0.";
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return QVector<QPointF>();
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}
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QVector<QPointF> p = CorrectEquidistantPoints(points);
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if ( p.size() < 3 )
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{
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qDebug()<<"Not enough points for building the equidistant.";
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return QVector<QPointF>();
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}
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if (eqv == EquidistantType::CloseEquidistant)
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{
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p.append(p.at(0));
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}
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for (qint32 i = 0; i < p.size(); ++i )
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{
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if ( i == 0 && eqv == EquidistantType::CloseEquidistant)
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{//first point, polyline closed
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ekvPoints<<EkvPoint(QLineF(p.at(p.size()-2), p.at(p.size()-1)), QLineF(p.at(1), p.at(0)), width);
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continue;
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}
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else if (i == 0 && eqv == EquidistantType::OpenEquidistant)
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{//first point, polyline doesn't closed
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ekvPoints.append(SingleParallelPoint(QLineF(p.at(0), p.at(1)), 90, width));
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continue;
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}
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if (i == p.size()-1 && eqv == EquidistantType::CloseEquidistant)
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{//last point, polyline closed
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ekvPoints.append(ekvPoints.at(0));
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continue;
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}
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else if (i == p.size()-1 && eqv == EquidistantType::OpenEquidistant)
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{//last point, polyline doesn't closed
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ekvPoints.append(SingleParallelPoint(QLineF(p.at(p.size()-1), p.at(p.size()-2)), -90, width));
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continue;
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}
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//points in the middle of polyline
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ekvPoints<<EkvPoint(QLineF(p.at(i-1), p.at(i)), QLineF(p.at(i+1), p.at(i)), width);
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}
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return ekvPoints;
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}
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//---------------------------------------------------------------------------------------------------------------------
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QVector<QPointF> VAbstractDetail::RemoveDublicates(const QVector<QPointF> &points)
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{
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QVector<QPointF> p = points;
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for(int i = 0; i < p.size(); i++)
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{
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QPointF current = p.at(i);
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for(int j = i; j < p.size(); j++)
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{
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if(j == i)
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{
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continue;
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}
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else
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{
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QPointF temp = p.at(j);
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if(current == temp)
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{
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QVector<QPointF>::iterator iter = p.begin() + j;
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p.erase(iter);
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j--;
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}
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}
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}
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}
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return p;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief CorrectEquidistantPoints clear equivalent points and remove point on line from equdistant.
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* @param points list of points equdistant.
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* @return corrected list.
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*/
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QVector<QPointF> VAbstractDetail::CorrectEquidistantPoints(const QVector<QPointF> &points)
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{
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QVector<QPointF> correctPoints;
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if (points.size()<4)//Better don't check if only three points. We can destroy equidistant.
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{
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qDebug()<<"Only three points.";
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return points;
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}
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//Clear equivalent points
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correctPoints = RemoveDublicates(points);
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if (correctPoints.size()<3)
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{
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return correctPoints;
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}
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//Remove point on line
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QPointF point;
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for (qint32 i = 1; i <correctPoints.size()-1; ++i)
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{
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QLineF l1(correctPoints.at(i-1), correctPoints.at(i));
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QLineF l2(correctPoints.at(i), correctPoints.at(i+1));
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QLineF::IntersectType intersect = l1.intersect(l2, &point);
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if (intersect == QLineF::NoIntersection)
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{
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correctPoints.remove(i);
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}
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}
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correctPoints = CheckLoops(correctPoints);
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return correctPoints;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief CheckLoops seek and delete loops in equidistant.
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* @param points vector of points of equidistant.
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* @return vector of points of equidistant.
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*/
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QVector<QPointF> VAbstractDetail::CheckLoops(const QVector<QPointF> &points)
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{
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QVector<QPointF> ekvPoints;
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/*If we got less than 4 points no need seek loops.*/
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if (points.size() < 4)
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{
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qDebug()<<"Less then 4 points. Doesn't need check for loops.";
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return points;
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}
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bool closed = false;
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if (points.at(0) == points.at(points.size()-1))
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{
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closed = true;
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}
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qint32 i, j;
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for (i = 0; i < points.size(); ++i)
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{
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/*Last three points no need check.*/
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if (i >= points.size()-3)
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{
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ekvPoints.append(points.at(i));
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continue;
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}
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QPointF crosPoint;
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QLineF::IntersectType intersect = QLineF::NoIntersection;
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QLineF line1(points.at(i), points.at(i+1));
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for (j = i+2; j < points.size()-1; ++j)
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{
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QLineF line2(points.at(j), points.at(j+1));
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intersect = line1.intersect(line2, &crosPoint);
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if (intersect == QLineF::BoundedIntersection)
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{
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break;
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}
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}
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if (intersect == QLineF::BoundedIntersection)
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{
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if (i == 0 && j+1 == points.size()-1 && closed)
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{
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/*We got closed contour.*/
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ekvPoints.append(points.at(i));
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}
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else
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{
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/*We found loop.*/
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ekvPoints.append(points.at(i));
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ekvPoints.append(crosPoint);
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i = j;
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}
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}
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else
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{
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/*We did not found loop.*/
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ekvPoints.append(points.at(i));
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}
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}
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return ekvPoints;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief EkvPoint return vector of points of equidistant two lines. Last point of two lines must be equal.
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* @param line1 first line.
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* @param line2 second line.
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* @param width width of equidistant.
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* @return vector of points.
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*/
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QVector<QPointF> VAbstractDetail::EkvPoint(const QLineF &line1, const QLineF &line2, const qreal &width)
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{
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if (width <= 0)
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{
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return QVector<QPointF>();
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}
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QVector<QPointF> points;
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if (line1.p2() != line2.p2())
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{
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qDebug()<<"Last points of two lines must be equal.";
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return QVector<QPointF>();
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}
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QPointF CrosPoint;
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QLineF bigLine1 = ParallelLine(line1, width );
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QLineF bigLine2 = ParallelLine(QLineF(line2.p2(), line2.p1()), width );
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QLineF::IntersectType type = bigLine1.intersect( bigLine2, &CrosPoint );
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switch (type)
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{
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case (QLineF::BoundedIntersection):
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points.append(CrosPoint);
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return points;
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break;
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case (QLineF::UnboundedIntersection):
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{
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QLineF line( line1.p2(), CrosPoint );
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const qreal length = line.length();
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if (length > width*2.4)
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{ // Cutting too long an acute angle
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line.setLength(width); // Not sure about width value here
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QLineF cutLine(line.p2(), CrosPoint); // Cut line is a perpendicular
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cutLine.setLength(length); // Decided take this length
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// We do not check intersection type because intersection must alwayse exist
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QPointF px;
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cutLine.setAngle(cutLine.angle()+90);
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QLineF::IntersectType type = bigLine1.intersect( cutLine, &px );
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if (type == QLineF::NoIntersection)
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{
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qDebug()<<"Couldn't find intersection with cut line.";
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}
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points.append(px);
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cutLine.setAngle(cutLine.angle()-180);
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type = bigLine2.intersect( cutLine, &px );
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if (type == QLineF::NoIntersection)
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{
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qDebug()<<"Couldn't find intersection with cut line.";
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}
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points.append(px);
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}
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else
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{
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points.append(CrosPoint);
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return points;
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}
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break;
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}
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case (QLineF::NoIntersection):
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/*If we have correct lines this means lines lie on a line.*/
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points.append(bigLine1.p2());
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return points;
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break;
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default:
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break;
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}
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return points;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief ParallelLine create parallel line.
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* @param line starting line.
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* @param width width to parallel line.
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* @return parallel line.
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*/
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QLineF VAbstractDetail::ParallelLine(const QLineF &line, qreal width)
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{
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QLineF paralel = QLineF (SingleParallelPoint(line, 90, width), SingleParallelPoint(QLineF(line.p2(), line.p1()),
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-90, width));
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return paralel;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief SingleParallelPoint return point of parallel line.
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* @param line starting line.
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* @param angle angle in degree.
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* @param width width to parallel line.
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* @return point of parallel line.
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*/
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QPointF VAbstractDetail::SingleParallelPoint(const QLineF &line, const qreal &angle, const qreal &width)
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{
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QLineF pLine = line;
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pLine.setAngle( pLine.angle() + angle );
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pLine.setLength( width );
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return pLine.p2();
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}
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