valentina/src/libs/vlayout/vlayoutdetail.cpp

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/************************************************************************
**
** @file vlayoutdetail.cpp
** @author Roman Telezhynskyi <dismine(at)gmail.com>
** @date 2 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) 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 "vlayoutdetail.h"
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#include "vlayoutdetail_p.h"
#include <QGraphicsItem>
#include <QPainterPath>
#include <QtMath>
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//---------------------------------------------------------------------------------------------------------------------
VLayoutDetail::VLayoutDetail()
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:VAbstractDetail(), d(new VLayoutDetailData)
{}
//---------------------------------------------------------------------------------------------------------------------
VLayoutDetail::VLayoutDetail(const VLayoutDetail &detail)
:VAbstractDetail(detail), d (detail.d)
{}
//---------------------------------------------------------------------------------------------------------------------
VLayoutDetail &VLayoutDetail::operator=(const VLayoutDetail &detail)
{
if ( &detail == this )
{
return *this;
}
VAbstractDetail::operator=(detail);
d = detail.d;
return *this;
}
//---------------------------------------------------------------------------------------------------------------------
VLayoutDetail::~VLayoutDetail()
{}
//---------------------------------------------------------------------------------------------------------------------
QVector<QPointF> VLayoutDetail::GetContourPoints() const
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{
return d->contour;
}
//---------------------------------------------------------------------------------------------------------------------
void VLayoutDetail::SetCountourPoints(const QVector<QPointF> &points)
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{
d->contour = points;
// Contour can't be closed
if (d->contour.first() == d->contour.last())
{
d->contour.removeLast();
}
d->contour = RemoveDublicates(RoundPoints(d->contour));
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}
//---------------------------------------------------------------------------------------------------------------------
QVector<QPointF> VLayoutDetail::GetSeamAllowencePoints() const
{
return d->seamAllowence;
}
//---------------------------------------------------------------------------------------------------------------------
void VLayoutDetail::SetSeamAllowencePoints(const QVector<QPointF> &points)
{
d->seamAllowence = points;
// Seam allowence can't be closed
if (d->seamAllowence.first() == d->seamAllowence.last())
{
d->seamAllowence.removeLast();
}
d->seamAllowence = RemoveDublicates(RoundPoints(d->seamAllowence));
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}
//---------------------------------------------------------------------------------------------------------------------
QVector<QPointF> VLayoutDetail::GetLayoutAllowencePoints() const
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{
return Map(d->layoutAllowence);
}
//---------------------------------------------------------------------------------------------------------------------
QTransform VLayoutDetail::GetMatrix() const
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{
return d->matrix;
}
//---------------------------------------------------------------------------------------------------------------------
void VLayoutDetail::SetMatrix(const QTransform &matrix)
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{
d->matrix = matrix;
}
//---------------------------------------------------------------------------------------------------------------------
qreal VLayoutDetail::GetLayoutWidth() const
{
return d->layoutWidth;
}
//---------------------------------------------------------------------------------------------------------------------
void VLayoutDetail::SetLayoutWidth(const qreal &value)
{
d->layoutWidth = value;
}
//---------------------------------------------------------------------------------------------------------------------
void VLayoutDetail::Translate(qreal dx, qreal dy)
{
QTransform m;
m.translate(dx, dy);
d->matrix *= m;
}
//---------------------------------------------------------------------------------------------------------------------
void VLayoutDetail::Rotate(const QPointF &originPoint, qreal degrees)
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{
QTransform m;
m.translate(originPoint.x(), originPoint.y());
m.rotate(-degrees);
m.translate(-originPoint.x(), -originPoint.y());
d->matrix *= m;
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}
//---------------------------------------------------------------------------------------------------------------------
void VLayoutDetail::Mirror(const QLineF &edge)
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{
if (edge.isNull())
{
return;
}
const QLineF axis = QLineF(edge.x2(), edge.y2(), edge.x2() + 100, edge.y2()); // Ox axis
const qreal angle = edge.angleTo(axis);
QTransform m;
m.translate(edge.p2().x(), edge.p2().y());
m.rotate(-angle);
m.translate(-edge.p2().x(), -edge.p2().y());
d->matrix *= m;
m.reset();
m.translate(edge.p2().x(), edge.p2().y());
m.scale(m.m11(), m.m22()*-1);
m.translate(-edge.p2().x(), -edge.p2().y());
d->matrix *= m;
m.reset();
m.translate(edge.p2().x(), edge.p2().y());
m.rotate(-(360-angle));
m.translate(-edge.p2().x(), -edge.p2().y());
d->matrix *= m;
d->mirror = !d->mirror;
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}
//---------------------------------------------------------------------------------------------------------------------
int VLayoutDetail::EdgesCount() const
{
return d->layoutAllowence.count();
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}
//---------------------------------------------------------------------------------------------------------------------
QLineF VLayoutDetail::Edge(int i) const
{
if (i < 1 || i > EdgesCount())
{ // Doesn't exist such edge
return QLineF();
}
int i1, i2;
if (i < EdgesCount())
{
i1 = i-1;
i2 = i;
}
else
{
i1 = EdgesCount()-1;
i2 = 0;
}
if (d->mirror)
{
const int oldI1 = i1;
i1 = (d->layoutAllowence.size()-1) - i2;
i2 = (d->layoutAllowence.size()-1) - oldI1;
return QLineF(d->matrix.map(d->layoutAllowence.at(i2)), d->matrix.map(d->layoutAllowence.at(i1)));
}
else
{
return QLineF(d->matrix.map(d->layoutAllowence.at(i1)), d->matrix.map(d->layoutAllowence.at(i2)));
}
}
//---------------------------------------------------------------------------------------------------------------------
int VLayoutDetail::EdgeByPoint(const QPointF &p1) const
{
if (p1.isNull())
{
return 0;
}
if (EdgesCount() < 3)
{
return 0;
}
const QVector<QPointF> points = GetLayoutAllowencePoints();
for (int i=0; i< points.size(); i++)
{
if (points.at(i) == p1)
{
return i+1;
}
}
return 0; // Did not find edge
}
//---------------------------------------------------------------------------------------------------------------------
QRectF VLayoutDetail::BoundingRect() const
{
QVector<QPointF> points = GetLayoutAllowencePoints();
points.append(points.first());
QRectF rec = QPolygonF(points).boundingRect();
return rec;
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}
//---------------------------------------------------------------------------------------------------------------------
bool VLayoutDetail::isNull() const
{
if (d->contour.isEmpty() == false && d->layoutWidth > 0)
{
if (getSeamAllowance() && d->seamAllowence.isEmpty() == false)
{
return false;
}
else
{
return true;
}
}
else
{
return true;
}
}
//---------------------------------------------------------------------------------------------------------------------
qint64 VLayoutDetail::Square() const
{
if (d->layoutAllowence.isEmpty())
{
return 0;
}
const int n = d->layoutAllowence.count();
qreal s, res = 0;
qint64 sq = 0;
QVector<qreal> x;
QVector<qreal> y;
for(int i=0; i < n; ++i)
{
x.append(d->layoutAllowence.at(i).x());
y.append(d->layoutAllowence.at(i).y());
}
// Calculation a polygon area through the sum of the areas of trapezoids
for (int i = 0; i < n; ++i)
{
if (i == 0)
{
s = x.at(i)*(y.at(n-1) - y.at(i+1)); //if i == 0, then y[i-1] replace on y[n-1]
res += s;
}
else
{
if (i == n-1)
{
s = x.at(i)*(y.at(i-1) - y.at(0)); // if i == n-1, then y[i+1] replace on y[0]
res += s;
}
else
{
s = x.at(i)*(y.at(i-1) - y.at(i+1));
res += s;
}
}
}
sq = qFloor(qAbs(res/2.0));
return sq;
}
//---------------------------------------------------------------------------------------------------------------------
void VLayoutDetail::SetLayoutAllowencePoints()
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{
if (d->layoutWidth > 0)
{
if (getSeamAllowance())
{
d->layoutAllowence = Equidistant(d->seamAllowence, EquidistantType::CloseEquidistant, d->layoutWidth);
if (d->layoutAllowence.isEmpty() == false)
{
d->layoutAllowence.removeLast();
}
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}
else
{
d->layoutAllowence = Equidistant(d->contour, EquidistantType::CloseEquidistant, d->layoutWidth);
if (d->layoutAllowence.isEmpty() == false)
{
d->layoutAllowence.removeLast();
}
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}
}
else
{
d->layoutAllowence.clear();
}
}
//---------------------------------------------------------------------------------------------------------------------
QVector<QPointF> VLayoutDetail::Map(const QVector<QPointF> &points) const
{
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QVector<QPointF> p;
for (int i = 0; i < points.size(); ++i)
{
p.append(d->matrix.map(points.at(i)));
}
if (d->mirror)
{
QList<QPointF> list = p.toList();
for(int k=0, s=list.size(), max=(s/2); k<max; k++)
{
list.swap(k, s-(1+k));
}
p = list.toVector();
}
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return p;
}
//---------------------------------------------------------------------------------------------------------------------
QVector<QPointF> VLayoutDetail::RoundPoints(const QVector<QPointF> &points) const
{
QVector<QPointF> p;
for (int i=0; i < points.size(); ++i)
{
p.append(QPointF(qRound(points.at(i).x()), qRound(points.at(i).y())));
}
return p;
}
//---------------------------------------------------------------------------------------------------------------------
QPainterPath VLayoutDetail::ContourPath() const
{
QPainterPath path;
// contour
QVector<QPointF> points = Map(d->contour);
path.moveTo(points.at(0));
for (qint32 i = 1; i < points.count(); ++i)
{
path.lineTo(points.at(i));
}
path.lineTo(points.at(0));
// seam allowence
if (getSeamAllowance() == true)
{
points = Map(d->seamAllowence);
if (getClosed() == true)
{
points.append(points.at(0));
}
QPainterPath ekv;
ekv.moveTo(points.at(0));
for (qint32 i = 1; i < points.count(); ++i)
{
ekv.lineTo(points.at(i));
}
path.addPath(ekv);
path.setFillRule(Qt::WindingFill);
}
return path;
}
//---------------------------------------------------------------------------------------------------------------------
QGraphicsItem *VLayoutDetail::GetItem() const
{
QGraphicsPathItem *item = new QGraphicsPathItem();
item->setPath(ContourPath());
return item;
}
//---------------------------------------------------------------------------------------------------------------------
bool VLayoutDetail::IsMirror() const
{
return d->mirror;
}
//---------------------------------------------------------------------------------------------------------------------
void VLayoutDetail::SetMirror(bool value)
{
d->mirror = value;
}