valentina_old/geometry/vsplinepath.cpp

/****************************************************************************
 **
 **  Copyright (C) 2013 Valentina project All Rights Reserved.
 **
 **  This file is part of Valentina.
 **
 **  Tox is free software: you can redistribute it and/or modify
 **  it under the terms of the GNU General Public License as published by
 **  the Free Software Foundation, either version 3 of the License, or
 **  (at your option) any later version.
 **
 **  Valentina is distributed in the hope that it will be useful,
 **  but WITHOUT ANY WARRANTY; without even the implied warranty of
 **  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 **  GNU General Public License for more details.
 **
 **  You should have received a copy of the GNU General Public License
 **  along with Valentina.  If not, see <http://www.gnu.org/licenses/>.
 **
 ****************************************************************************/

#include "vsplinepath.h"
#include <exception/vexception.h>

VSplinePath::VSplinePath(): path(QVector<VSplinePoint>()), kCurve(1), mode(Draw::Calculation),
    points(QHash<qint64, VPointF>()), idObject(0){
}

VSplinePath::VSplinePath(const QHash<qint64, VPointF> *points, qreal kCurve, Draw::Draws mode, qint64 idObject): path(QVector<VSplinePoint>()),
    kCurve(kCurve), mode(mode), points(*points), idObject(idObject){
}

VSplinePath::VSplinePath(const VSplinePath &splPath): path(*splPath.GetPoint()),
    kCurve(splPath.getKCurve()), mode(splPath.getMode()), points(splPath.GetDataPoints()),
    idObject(splPath.getIdObject()){
}

void VSplinePath::append(VSplinePoint point){
    path.append(point);
}

qint32 VSplinePath::Count() const{
    if(path.size() == 0){
        return 0;
    } else {
        return path.size() - 1;
    }
}

VSpline VSplinePath::GetSpline(qint32 index) const{
    if(Count()<1){
        throw VException(tr("Not enough points to create the spline."));
    }
    if(index < 1 || index > Count()){
        throw VException(tr("This spline is not exist."));
    }
    VSpline spl(&points, path[index-1].P(), path[index].P(), path[index-1].Angle2(), path[index].Angle1(),
            path[index-1].KAsm2(), path[index].KAsm1(), this->kCurve);
    return spl;
}

QPainterPath VSplinePath::GetPath() const{
    QPainterPath painterPath;
    for(qint32 i = 1; i <= Count(); ++i){
        VSpline spl(&points, path[i-1].P(), path[i].P(), path[i-1].Angle2(), path[i].Angle1(),
                path[i-1].KAsm2(), path[i].KAsm1(), this->kCurve);
        painterPath.addPath(spl.GetPath());
    }
    return painterPath;
}

QVector<QPointF> VSplinePath::GetPathPoints() const{
    QVector<QPointF> pathPoints;
    for(qint32 i = 1; i <= Count(); ++i){
        VSpline spl(&points, path[i-1].P(), path[i].P(), path[i-1].Angle2(), path[i].Angle1(),
                path[i-1].KAsm2(), path[i].KAsm1(), this->kCurve);
        QVector<QPointF> splP = spl.GetPoints();
        for(qint32 j = 0; j < splP.size(); ++j){
            pathPoints.append(splP[j]);
        }
    }
    return pathPoints;
}

qreal VSplinePath::GetLength() const{
    qreal length = 0;
    for(qint32 i = 1; i <= Count(); ++i){
        VSpline spl(&points, path[i-1].P(), path[i].P(), path[i-1].Angle2(), path[i].Angle1(), path[i-1].KAsm2(),
                path[i].KAsm1(), kCurve);
        length += spl.GetLength();
    }
    return length;
}

void VSplinePath::UpdatePoint(qint32 indexSpline, SplinePoint::Position pos, VSplinePoint point){
    if(indexSpline < 1 || indexSpline > Count()){
        throw VException(tr("This spline is not exist."));
    }
    if(pos == SplinePoint::FirstPoint){
        path[indexSpline-1] = point;
    } else {
        path[indexSpline] = point;
    }
}

VSplinePoint VSplinePath::GetSplinePoint(qint32 indexSpline, SplinePoint::Position pos) const{
    if(indexSpline < 1 || indexSpline > Count()){
        throw VException(tr("This spline is not exist."));
    }
    if(pos == SplinePoint::FirstPoint){
        return path.at(indexSpline-1);
    } else {
        return path.at(indexSpline);
    }
}

VSplinePath &VSplinePath::operator =(const VSplinePath &path){
    this->path = path.GetSplinePath();
    this->kCurve = path.getKCurve();
    this->mode = path.getMode();
    this->points = path.GetDataPoints();
    this->idObject = path.getIdObject();
    return *this;
}

VSplinePoint & VSplinePath::operator[](int indx){
    return path[indx];
}