valentina/src/libs/vlayout/vcontour.cpp

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/************************************************************************
**
** @file vcontour.cpp
** @author Roman Telezhynskyi <dismine(at)gmail.com>
** @date 21 1, 2015
**
** @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 "vcontour.h"
#include "vcontour_p.h"
#include "vlayoutdetail.h"
#include <QPointF>
#include <QLineF>
#if QT_VERSION < QT_VERSION_CHECK(5, 1, 0)
# include "../../utils/vmath.h"
#else
# include <QtMath>
#endif
//---------------------------------------------------------------------------------------------------------------------
VContour::VContour()
:d(new VContourData())
{}
//---------------------------------------------------------------------------------------------------------------------
VContour::VContour(int height, int width)
:d(new VContourData(height, width))
{}
//---------------------------------------------------------------------------------------------------------------------
VContour::VContour(const VContour &contour)
:d (contour.d)
{}
//---------------------------------------------------------------------------------------------------------------------
VContour &VContour::operator=(const VContour &contour)
{
if ( &contour == this )
{
return *this;
}
d = contour.d;
return *this;
}
//---------------------------------------------------------------------------------------------------------------------
VContour::~VContour()
{}
//---------------------------------------------------------------------------------------------------------------------
void VContour::SetContour(const QVector<QPointF> &contour)
{
d->globalContour = contour;
}
//---------------------------------------------------------------------------------------------------------------------
QVector<QPointF> VContour::GetContour() const
{
return d->globalContour;
}
//---------------------------------------------------------------------------------------------------------------------
unsigned int VContour::GetShift() const
{
return d->shift;
}
//---------------------------------------------------------------------------------------------------------------------
void VContour::SetShift(unsigned int shift)
{
d->shift = shift;
}
//---------------------------------------------------------------------------------------------------------------------
int VContour::GetHeight() const
{
return d->paperHeight;
}
//---------------------------------------------------------------------------------------------------------------------
void VContour::SetHeight(int height)
{
d->paperHeight = height;
}
//---------------------------------------------------------------------------------------------------------------------
int VContour::GetWidth() const
{
return d->paperWidth;
}
//---------------------------------------------------------------------------------------------------------------------
void VContour::SetWidth(int width)
{
d->paperWidth = width;
}
//---------------------------------------------------------------------------------------------------------------------
QVector<QPointF> VContour::UniteWithContour(const VLayoutDetail &detail, int globalI, int detJ, BestFrom type) const
{
QVector<QPointF> newContour;
if (d->globalContour.isEmpty())
{
AppendWhole(newContour, detail, detJ);
}
else
{
if (globalI <= 0 || globalI > EdgesCount())
{
return QVector<QPointF>();
}
if (detJ <= 0 || detJ > detail.EdgesCount())
{
return QVector<QPointF>();
}
int i2 = 0;
if (globalI == d->globalContour.count())
{
i2 = 0;
}
else
{
i2 = globalI;
}
int i=0;
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while (i < d->globalContour.count())
{
if (i == i2)
{
if (type == BestFrom::Rotation)
{
AppendWhole(newContour, detail, detJ);
}
else
{
int processedEdges = 0;
const int nD = detail.EdgesCount();
int j = detJ+1;
do
{
if (j > nD)
{
j=1;
}
if (j != detJ)
{
const QVector<QPointF> points = CutEdge(detail.Edge(j));
for (int i = 0; i < points.size()-1; ++i)
{
newContour.append(points.at(i));
}
}
++processedEdges;
++j;
}while (processedEdges < nD);
}
}
if (newContour.isEmpty() == false)
{
if (newContour.last() != d->globalContour.at(i))
{
newContour.append(d->globalContour.at(i));
}
}
else
{
newContour.append(d->globalContour.at(i));
}
++i;
}
}
return newContour;
}
//---------------------------------------------------------------------------------------------------------------------
int VContour::EdgesCount() const
{
if (d->globalContour.isEmpty())
{
if (d->shift == 0)
{
return 1;
}
const QLineF axis = QLineF(0, 0, d->paperWidth, 0);
const int n = qFloor(axis.length()/d->shift);
if (n <= 0)
{
return 1;
}
else
{
return n;
}
}
else
{
return d->globalContour.count();
}
}
//---------------------------------------------------------------------------------------------------------------------
QLineF VContour::GlobalEdge(int i) const
{
if (d->globalContour.isEmpty())
{
// Because sheet is blank we have one global edge for all cases - Ox axis.
const QLineF axis = QLineF(0, 0, d->paperWidth - 5, 0);
if (d->shift == 0)
{
return axis;
}
const int n = qFloor(axis.length()/d->shift);
if (i < 1 || i > n)
{ // Doesn't exist such edge
return QLineF();
}
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const qreal nShift = axis.length()/n;
return QLineF(nShift*(i-1), 0, nShift*i, 0);
}
else
{
if (i < 1 || i > EdgesCount())
{ // Doesn't exist such edge
return QLineF();
}
QLineF edge;
if (i < EdgesCount())
{
edge = QLineF(d->globalContour.at(i-1), d->globalContour.at(i));
}
else
{ // Closed countour
edge = QLineF(d->globalContour.at(EdgesCount()-1), d->globalContour.at(0));
}
return edge;
}
}
//---------------------------------------------------------------------------------------------------------------------
QVector<QPointF> VContour::CutEdge(const QLineF &edge) const
{
QVector<QPointF> points;
if (d->shift == 0)
{
points.append(edge.p1());
points.append(edge.p2());
}
const int n = qFloor(edge.length()/d->shift);
if (n <= 0)
{
points.append(edge.p1());
points.append(edge.p2());
}
else
{
const qreal nShift = edge.length()/n;
for (int i = 1; i <= n+1; ++i)
{
QLineF l1 = edge;
l1.setLength(nShift*(i-1));
points.append(l1.p2());
}
}
return points;
}
//---------------------------------------------------------------------------------------------------------------------
const QPointF &VContour::at(int i) const
{
return d->globalContour.at(i);
}
//---------------------------------------------------------------------------------------------------------------------
void VContour::AppendWhole(QVector<QPointF> &contour, const VLayoutDetail &detail, int detJ) const
{
int processedEdges = 0;
const int nD = detail.EdgesCount();
int j = detJ+1;
do
{
if (j > nD)
{
j=1;
}
const QVector<QPointF> points = CutEdge(detail.Edge(j));
for (int i = 0; i < points.size()-1; ++i)
{
contour.append(points.at(i));
}
++processedEdges;
++j;
}while (processedEdges < nD);
}