/************************************************************************
 **
 **  @file   vlineangle.cpp
 **  @author Roman Telezhynskyi <dismine(at)gmail.com>
 **  @date   28 7, 2014
 **
 **  @brief
 **  @copyright
 **  This source code is part of the Valentine project, a pattern making
 **  program, whose allow create and modeling patterns of clothing.
 **  Copyright (C) 2013-2015 Valentina project
 **  <https://bitbucket.org/dismine/valentina> 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 <http://www.gnu.org/licenses/>.
 **
 *************************************************************************/

#include "vlineangle.h"
#include "vlineangle_p.h"
#include "../vgeometry/vpointf.h"

#include <QLineF>

#if QT_VERSION < QT_VERSION_CHECK(5, 1, 0)
#   include "../vmisc/vmath.h"
#else
#   include <QtMath>
#endif

//---------------------------------------------------------------------------------------------------------------------
VLineAngle::VLineAngle()
    :VInternalVariable(), d(new VLineAngleData)
{
    SetType(VarType::LineAngle);
}

//---------------------------------------------------------------------------------------------------------------------
VLineAngle::VLineAngle(const VPointF *p1, const quint32 &p1Id, const VPointF *p2, const quint32 &p2Id)
    :VInternalVariable(), d(new VLineAngleData(p1Id, p2Id))
{
    SetType(VarType::LineAngle);

    SCASSERT(p1 != nullptr);
    SCASSERT(p2 != nullptr);

    SetName(QString(angleLine_+"%1_%2").arg(p1->name(), p2->name()));
    SetValue(p1, p2);
}

//---------------------------------------------------------------------------------------------------------------------
VLineAngle::VLineAngle(const VLineAngle &var)
    :VInternalVariable(var), d(var.d)
{}

//---------------------------------------------------------------------------------------------------------------------
VLineAngle &VLineAngle::operator=(const VLineAngle &var)
{
    if ( &var == this )
    {
        return *this;
    }
    VInternalVariable::operator=(var);
    d = var.d;
    return *this;
}

//---------------------------------------------------------------------------------------------------------------------
VLineAngle::~VLineAngle()
{}

//---------------------------------------------------------------------------------------------------------------------
bool VLineAngle::Filter(quint32 id)
{
    return id == d->p1Id || id == d->p2Id;
}

//---------------------------------------------------------------------------------------------------------------------
void VLineAngle::SetValue(const VPointF *p1, const VPointF *p2)
{
    SCASSERT(p1 != nullptr);
    SCASSERT(p2 != nullptr);
    //Correct angle. Try avoid results like 6,7563e-15.
    const qreal angle = qFloor(QLineF(*p1, *p2).angle() * 100000.) / 100000.;
    VInternalVariable::SetValue(angle);
}

//---------------------------------------------------------------------------------------------------------------------
// cppcheck-suppress unusedFunction
quint32 VLineAngle::GetP1Id() const
{
    return d->p1Id;
}

//---------------------------------------------------------------------------------------------------------------------
// cppcheck-suppress unusedFunction
quint32 VLineAngle::GetP2Id() const
{
    return d->p2Id;
}