valentina_old/geometry/varc.cpp
dismine 36143a93ec Error in license.
--HG--
branch : develop
2013-10-27 14:36:29 +02:00

167 lines
5.1 KiB
C++

/****************************************************************************
**
** 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 "varc.h"
#include <exception/vexception.h>
VArc::VArc () : f1(0), formulaF1(QString()), f2(0), formulaF2(QString()), radius(0), formulaRadius(QString()),
center(0), points(QHash<qint64, VPointF>()), mode(Draw::Calculation), idObject(0){
}
VArc::VArc (const QHash<qint64, VPointF> *points, qint64 center, qreal radius, QString formulaRadius,
qreal f1, QString formulaF1, qreal f2, QString formulaF2, Draw::Draws mode, qint64 idObject)
: f1(f1), formulaF1(formulaF1), f2(f2), formulaF2(formulaF2), radius(radius), formulaRadius(formulaRadius),
center(center), points(*points), mode(mode), idObject(idObject){
}
VArc::VArc(const VArc &arc): f1(arc.GetF1()), formulaF1(arc.GetFormulaF1()), f2(arc.GetF2()),
formulaF2(arc.GetFormulaF2()), radius(arc.GetRadius()), formulaRadius(arc.GetFormulaRadius()),
center(arc.GetCenter()), points(arc.GetDataPoints()), mode(arc.getMode()),
idObject(arc.getIdObject()){
}
VArc &VArc::operator =(const VArc &arc){
this->points = arc.GetDataPoints();
this->f1 = arc.GetF1();
this->formulaF1 = arc.GetFormulaF1();
this->f2 = arc.GetF2();
this->formulaF2 = arc.GetFormulaF2();
this->radius = arc.GetRadius();
this->formulaRadius = arc.GetFormulaRadius();
this->center = arc.GetCenter();
this->mode = arc.getMode();
this->idObject = arc.getIdObject();
return *this;
}
QPointF VArc::GetCenterPoint() const{
if(points.contains(center)){
return points.value(center).toQPointF();
} else {
QString error = QString(tr("Can't find id = %1 in table.")).arg(center);
throw VException(error);
}
return QPointF();
}
QPointF VArc::GetP1() const{
QPointF p1 ( GetCenterPoint().x () + radius, GetCenterPoint().y () );
QLineF centerP1(GetCenterPoint(), p1);
centerP1.setAngle(f1);
return centerP1.p2();
}
QPointF VArc::GetP2 () const{
QPointF p2 ( GetCenterPoint().x () + radius, GetCenterPoint().y () );
QLineF centerP2(GetCenterPoint(), p2);
centerP2.setAngle(f2);
return centerP2.p2();
}
const QHash<qint64, VPointF> VArc::GetDataPoints() const{
return points;
}
QPainterPath VArc::GetPath() const{
QPainterPath Path;
QPointF center = GetCenterPoint();
QRectF rect(center.x()-radius, center.y()-radius, radius*2, radius*2);
Path.moveTo(GetP1());
qreal angle = QLineF(center, GetP1()).angleTo(QLineF(center, GetP2()));
Path.arcTo(rect, GetF1(), angle);
return Path;
}
qreal VArc::AngleArc() const{
QLineF l1(0,0, 100, 100);
l1.setAngle(f1);
QLineF l2(0,0, 100, 100);
l2.setAngle(f2);
return l1.angleTo(l2);
}
qint32 VArc::NumberSplOfArc() const{
qint32 angArc = static_cast<qint32> (AngleArc ());
switch( angArc ){
case 0:{
QString error = QString(tr("Angle of arc can't be 0 degree."));
throw VException(error);
}
case 90:
return 1;
case 180:
return 2;
case 270:
return 3;
case 360:
return 4;
default :
return static_cast<qint32> (AngleArc ( ) / 90 + 1);
}
}
QVector<QPointF> VArc::GetPoints() const{
QVector<QPointF> points;
qint32 numberSpl = NumberSplOfArc();
for(qint32 i = 1; i <= numberSpl; ++i){
points<<SplOfArc ( i );
}
return points;
}
QVector<QPointF> VArc::SplOfArc(qint32 number) const{
qint32 n = NumberSplOfArc ();
if( number > n ){
QString error = QString(tr("Arc have not this number of part."));
throw VException(error);
}
qreal f1 = GetF1 ();
qreal f2 = GetF2 ();
qint32 i;
for ( i = 0; i < n; ++i ){
if ( i == n - 1 ){
f2 = GetF2 ();
} else {
if ( f1 + 90 > 360 ){
f2 = f1 + 90 - 360;
} else {
f2 = f1 + 90;
}
}
qreal anglF1, anglF2;
if ( f1 + 90 > 360 ){
anglF1 = f1 + 90 - 360 ;
} else {
anglF1 = f1 + 90 ;
}
if ( f2 - 90 < 0 ){
anglF2 = 360 + f2 - 90 ;
} else {
anglF2 = f2 - 90 ;
}
if ( i + 1 == number ){
f1 = f2;
return VSpline::SplinePoints(GetP1 (), GetP2 (), anglF1, anglF2, 1., 1., 1.);
}
}
return QVector<QPointF>();
}