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valentina/src/libs/vlayout/vlayoutdetail.cpp
BojanKverh 8ab094c40d Grainline should now be visible in Layout mode 
--HG--
branch : feature
2016-10-16 15:00:53 +02:00

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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) 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 "vlayoutdetail.h"
#include <QBrush>
#include <QFlags>
#include <QFont>
#include <QFontMetrics>
#include <QGraphicsPathItem>
#include <QList>
#include <QMatrix>
#include <QMessageLogger>
#include <QPainterPath>
#include <QPoint>
#include <QPolygonF>
#include <QTransform>
#include <Qt>
#include <QtDebug>
#include "../vpatterndb/vpatterninfogeometry.h"
#include "../vpatterndb/vpatternpiecedata.h"
#include "../vmisc/vmath.h"
#include "../vmisc/vabstractapplication.h"
#include "../vpatterndb/calculator.h"
#include "vlayoutdef.h"
#include "vlayoutdetail_p.h"
#include "vtextmanager.h"
#include "vgraphicsfillitem.h"
class QGraphicsPathItem;
class QLineF;
class VAbstractPattern;
//---------------------------------------------------------------------------------------------------------------------
VLayoutDetail::VLayoutDetail()
: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()
{}
//---------------------------------------------------------------------------------------------------------------------
// cppcheck-suppress unusedFunction
QVector<QPointF> VLayoutDetail::GetContourPoints() const
{
return d->contour;
}
//---------------------------------------------------------------------------------------------------------------------
void VLayoutDetail::SetCountourPoints(const QVector<QPointF> &points)
{
d->contour = RemoveDublicates(RoundPoints(points));
}
//---------------------------------------------------------------------------------------------------------------------
// cppcheck-suppress unusedFunction
QVector<QPointF> VLayoutDetail::GetSeamAllowencePoints() const
{
return d->seamAllowence;
}
//---------------------------------------------------------------------------------------------------------------------
void VLayoutDetail::SetSeamAllowencePoints(const QVector<QPointF> &points, bool seamAllowence, bool closed)
{
if (seamAllowence)
{
setSeamAllowance(seamAllowence);
setClosed(closed);
d->seamAllowence = points;
if (not d->seamAllowence.isEmpty())
{
d->seamAllowence = RemoveDublicates(RoundPoints(d->seamAllowence));
}
else
{
qWarning()<<"Seam allowence is empty.";
setSeamAllowance(false);
}
}
}
//---------------------------------------------------------------------------------------------------------------------
QVector<QPointF> VLayoutDetail::GetLayoutAllowencePoints() const
{
return Map(d->layoutAllowence);
}
//---------------------------------------------------------------------------------------------------------------------
void VLayoutDetail::SetDetail(const QString& qsName, const VPatternPieceData& data, const QFont &font)
{
d->detailData = data;
qreal dAng = qDegreesToRadians(data.GetRotation());
QPointF ptCenter(data.GetPos().x() + data.GetLabelWidth()/2, data.GetPos().y() + data.GetLabelHeight()/2);
QPointF ptPos = data.GetPos();
QVector<QPointF> v;
v << ptPos << QPointF(ptPos.x() + data.GetLabelWidth(), ptPos.y())
<< QPointF(ptPos.x() + data.GetLabelWidth(), ptPos.y() + data.GetLabelHeight())
<< QPointF(ptPos.x(), ptPos.y() + data.GetLabelHeight());
for (int i = 0; i < v.count(); ++i)
{
v[i] = RotatePoint(ptCenter, v.at(i), dAng);
}
d->detailLabel = RoundPoints(v);
// generate text
d->m_tmDetail.SetFont(font);
d->m_tmDetail.SetFontSize(data.GetFontSize());
d->m_tmDetail.Update(qsName, data);
// this will generate the lines of text
d->m_tmDetail.SetFontSize(data.GetFontSize());
d->m_tmDetail.FitFontSize(data.GetLabelWidth(), data.GetLabelHeight());
}
//---------------------------------------------------------------------------------------------------------------------
void VLayoutDetail::SetPatternInfo(const VAbstractPattern* pDoc, const VPatternInfoGeometry& geom, const QFont &font,
qreal dSize, qreal dHeight)
{
d->patternGeom = geom;
qreal dAng = qDegreesToRadians(geom.GetRotation());
QPointF ptCenter(geom.GetPos().x() + geom.GetLabelWidth()/2, geom.GetPos().y() + geom.GetLabelHeight()/2);
QPointF ptPos = geom.GetPos();
QVector<QPointF> v;
v << ptPos << QPointF(ptPos.x() + geom.GetLabelWidth(), ptPos.y())
<< QPointF(ptPos.x() + geom.GetLabelWidth(), ptPos.y() + geom.GetLabelHeight())
<< QPointF(ptPos.x(), ptPos.y() + geom.GetLabelHeight());
for (int i = 0; i < v.count(); ++i)
{
v[i] = RotatePoint(ptCenter, v.at(i), dAng);
}
d->patternInfo = RoundPoints(v);
// Generate text
d->m_tmPattern.SetFont(font);
d->m_tmPattern.SetFontSize(geom.GetFontSize());
d->m_tmPattern.Update(pDoc, dSize, dHeight);
// generate lines of text
d->m_tmPattern.SetFontSize(geom.GetFontSize());
d->m_tmPattern.FitFontSize(geom.GetLabelWidth(), geom.GetLabelHeight());
}
//---------------------------------------------------------------------------------------------------------------------
void VLayoutDetail::SetGrainline(const VGrainlineGeometry& geom, const VContainer& rPattern)
{
d->grainlineGeom = geom;
qreal dAng;
qreal dLen;
try
{
QString qsFormula = geom.GetRotation().replace("\n", " ");
qsFormula = qApp->TrVars()->FormulaFromUser(qsFormula, qApp->Settings()->GetOsSeparator());
Calculator cal1;
dAng = cal1.EvalFormula(rPattern.PlainVariables(), qsFormula);
dAng = qDegreesToRadians(dAng);
qsFormula = geom.GetLength().replace("\n", " ");
qsFormula = qApp->TrVars()->FormulaFromUser(qsFormula, qApp->Settings()->GetOsSeparator());
Calculator cal2;
dLen = cal2.EvalFormula(rPattern.PlainVariables(), qsFormula);
dLen = ToPixel(dLen, *rPattern.GetPatternUnit());
}
catch(...)
{
return;
}
QPointF pt1 = geom.GetPos();
QPointF pt2;
pt2.setX(pt1.x() + dLen * qCos(dAng));
pt2.setY(pt1.y() - dLen * qSin(dAng));
QVector<QPointF> v;
QPointF pt;
qreal dArrowLen = ToPixel(0.5, *rPattern.GetPatternUnit());
qreal dArrowAng = M_PI/9;
v << pt1;
pt.setX(pt1.x() + dArrowLen * qCos(dAng + dArrowAng));
pt.setY(pt1.y() - dArrowLen * qSin(dAng + dArrowAng));
v << pt;
pt.setX(pt1.x() + dArrowLen * qCos(dAng - dArrowAng));
pt.setY(pt1.y() - dArrowLen * qSin(dAng - dArrowAng));
v << pt;
v << pt1 << pt2;
dAng += M_PI;
pt.setX(pt2.x() + dArrowLen * qCos(dAng + dArrowAng));
pt.setY(pt2.y() - dArrowLen * qSin(dAng + dArrowAng));
v << pt;
pt.setX(pt2.x() + dArrowLen * qCos(dAng - dArrowAng));
pt.setY(pt2.y() - dArrowLen * qSin(dAng - dArrowAng));
v << pt;
v << pt2;
d->grainlinePoints = RoundPoints(v);
}
//---------------------------------------------------------------------------------------------------------------------
QTransform VLayoutDetail::GetMatrix() const
{
return d->matrix;
}
//---------------------------------------------------------------------------------------------------------------------
void VLayoutDetail::SetMatrix(const QTransform &matrix)
{
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)
{
QTransform m;
m.translate(originPoint.x(), originPoint.y());
m.rotate(-degrees);
m.translate(-originPoint.x(), -originPoint.y());
d->matrix *= m;
}
//---------------------------------------------------------------------------------------------------------------------
void VLayoutDetail::Mirror(const QLineF &edge)
{
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);
const QPointF p2 = edge.p2();
QTransform m;
m.translate(p2.x(), p2.y());
m.rotate(-angle);
m.translate(-p2.x(), -p2.y());
d->matrix *= m;
m.reset();
m.translate(p2.x(), p2.y());
m.scale(m.m11(), m.m22()*-1);
m.translate(-p2.x(), -p2.y());
d->matrix *= m;
m.reset();
m.translate(p2.x(), p2.y());
m.rotate(-(360-angle));
m.translate(-p2.x(), -p2.y());
d->matrix *= m;
d->mirror = !d->mirror;
}
//---------------------------------------------------------------------------------------------------------------------
int VLayoutDetail::EdgesCount() const
{
return d->layoutAllowence.count();
}
//---------------------------------------------------------------------------------------------------------------------
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;
const int size = d->layoutAllowence.size()-1; //-V807
i1 = size - i2;
i2 = size - 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::DetailBoundingRect() const
{
QVector<QPointF> points;
if (getSeamAllowance())
{
points = GetSeamAllowencePoints();
}
else
{
points = GetContourPoints();
}
points.append(points.first());
return QPolygonF(points).boundingRect();
}
//---------------------------------------------------------------------------------------------------------------------
QRectF VLayoutDetail::LayoutBoundingRect() const
{
QVector<QPointF> points = GetLayoutAllowencePoints();
points.append(points.first());
return QPolygonF(points).boundingRect();
}
//---------------------------------------------------------------------------------------------------------------------
qreal VLayoutDetail::Diagonal() const
{
const QRectF rec = LayoutBoundingRect();
return qSqrt(pow(rec.height(), 2) + pow(rec.width(), 2));
}
//---------------------------------------------------------------------------------------------------------------------
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()) //-V807
{
return 0;
}
const qreal res = SumTrapezoids(d->layoutAllowence);
const qint64 sq = qFloor(qAbs(res/2.0));
return sq;
}
//---------------------------------------------------------------------------------------------------------------------
void VLayoutDetail::SetLayoutAllowencePoints()
{
if (d->layoutWidth > 0)
{
if (getSeamAllowance())
{
d->layoutAllowence = Equidistant(d->seamAllowence, EquidistantType::CloseEquidistant, d->layoutWidth);
if (d->layoutAllowence.isEmpty() == false)
{
#if QT_VERSION < QT_VERSION_CHECK(5, 1, 0)
d->layoutAllowence.remove(d->layoutAllowence.size() - 1);
#else
d->layoutAllowence.removeLast();
#endif
}
}
else
{
d->layoutAllowence = Equidistant(d->contour, EquidistantType::CloseEquidistant, d->layoutWidth);
if (d->layoutAllowence.isEmpty() == false)
{
#if QT_VERSION < QT_VERSION_CHECK(5, 1, 0)
d->layoutAllowence.remove(d->layoutAllowence.size() - 1);
#else
d->layoutAllowence.removeLast();
#endif
}
}
}
else
{
d->layoutAllowence.clear();
}
}
//---------------------------------------------------------------------------------------------------------------------
QVector<QPointF> VLayoutDetail::Map(const QVector<QPointF> &points) const
{
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();
}
return p;
}
//---------------------------------------------------------------------------------------------------------------------
QVector<QPointF> VLayoutDetail::RoundPoints(const QVector<QPointF> &points)
{
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;
}
//---------------------------------------------------------------------------------------------------------------------
void VLayoutDetail::ClearTextItems()
{
d->m_liPP.clear();
}
//---------------------------------------------------------------------------------------------------------------------
void VLayoutDetail::CreateTextItems()
{
ClearTextItems();
// first add detail texts
if (d->detailLabel.count() > 0)
{
// get the mapped label vertices
QVector<QPointF> points = Map(Mirror(d->detailLabel));
// append the first point to obtain the closed rectangle
points.push_back(points.at(0));
// calculate the angle of rotation
qreal dAng = qAtan2(points.at(1).y() - points.at(0).y(), points.at(1).x() - points.at(0).x());
// calculate the label width
qreal dW = GetDistance(points.at(0), points.at(1));
qreal dY = 0;
qreal dX;
// set up the rotation around top-left corner matrix
QMatrix mat;
mat.translate(points.at(0).x(), points.at(0).y());
mat.rotate(qRadiansToDegrees(dAng));
for (int i = 0; i < d->m_tmDetail.GetCount(); ++i)
{
const TextLine& tl = d->m_tmDetail.GetLine(i);
QFont fnt = d->m_tmDetail.GetFont();
fnt.setPixelSize(d->m_tmDetail.GetFont().pixelSize() + tl.m_iFontSize);
fnt.setWeight(tl.m_eFontWeight);
fnt.setStyle(tl.m_eStyle);
dY += tl.m_iHeight;
QFontMetrics fm(fnt);
// find the correct horizontal offset, depending on the alignment flag
if ((tl.m_eAlign & Qt::AlignLeft) > 0)
{
dX = 0;
}
else if ((tl.m_eAlign & Qt::AlignHCenter) > 0)
{
dX = (dW - fm.width(tl.m_qsText))/2;
}
else
{
dX = dW - fm.width(tl.m_qsText);
}
// create text path and add it to the list
QPainterPath path;
path.addText(dX, dY - (fm.height() - fm.ascent())/2, fnt, tl.m_qsText);
d->m_liPP << mat.map(path);
dY += d->m_tmDetail.GetSpacing();
}
}
// and then add pattern texts
if (d->patternInfo.count() > 0)
{
// similar approach like for the detail label
QVector<QPointF> points = Map(Mirror(d->patternInfo));
points.push_back(points.at(0));
qreal dAng = qAtan2(points.at(1).y() - points.at(0).y(), points.at(1).x() - points.at(0).x());
qreal dW = GetDistance(points.at(0), points.at(1));
qreal dY = 0;
qreal dX;
QMatrix mat;
mat.translate(points.at(0).x(), points.at(0).y());
mat.rotate(qRadiansToDegrees(dAng));
for (int i = 0; i < d->m_tmPattern.GetCount(); ++i)
{
const TextLine& tl = d->m_tmPattern.GetLine(i);
QFont fnt = d->m_tmPattern.GetFont();
fnt.setPixelSize(d->m_tmPattern.GetFont().pixelSize() + tl.m_iFontSize);
fnt.setWeight(tl.m_eFontWeight);
fnt.setStyle(tl.m_eStyle);
dY += tl.m_iHeight;
QFontMetrics fm(fnt);
if ((tl.m_eAlign & Qt::AlignLeft) > 0)
{
dX = 0;
}
else if ((tl.m_eAlign & Qt::AlignHCenter) > 0)
{
dX = (dW - fm.width(tl.m_qsText))/2;
}
else
{
dX = dW - fm.width(tl.m_qsText);
}
QPainterPath path;
path.addText(dX, dY - (fm.height() - fm.ascent())/2, fnt, tl.m_qsText);
d->m_liPP << mat.map(path);
dY += d->m_tmPattern.GetSpacing();
}
}
}
//---------------------------------------------------------------------------------------------------------------------
int VLayoutDetail::GetTextItemsCount() const
{
return d->m_liPP.count();
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VLayoutDetail::GetTextItem Creates and returns the i-th text item
* @param i index of the requested item
* @return pointer to the newly created item. The caller is responsible to delete it.
*/
QGraphicsItem* VLayoutDetail::GetTextItem(int i) const
{
QGraphicsPathItem* item = new QGraphicsPathItem();
QTransform transform = d->matrix;
QPainterPath path = transform.map(d->m_liPP[i]);
if (d->mirror == true)
{
QVector<QPointF> points;
if (i < d->m_tmDetail.GetCount())
{
points = Map(Mirror(d->detailLabel));
}
else
{
points = Map(Mirror(d->patternInfo));
}
QPointF ptCenter = (points.at(1) + points.at(3))/2;
qreal dRot = qRadiansToDegrees(qAtan2(points.at(1).y() - points.at(0).y(), points.at(1).x() - points.at(0).x()));
// we need to move the center back to the origin, rotate it to align it with x axis,
// then mirror it to obtain the proper text direction, rotate it and translate it back to original position.
// The operations must be added in reverse order
QTransform t;
// move the label back to its original position
t.translate(ptCenter.x(), ptCenter.y());
// rotate the label back to original angle
t.rotate(dRot);
// mirror the label horizontally
t.scale(-1, 1);
// rotate the label to normal position
t.rotate(-dRot);
// move the label center into origin
t.translate(-ptCenter.x(), -ptCenter.y());
path = t.map(path);
}
item->setPath(path);
item->setBrush(QBrush(Qt::black));
return item;
}
//---------------------------------------------------------------------------------------------------------------------
QPainterPath VLayoutDetail::LayoutAllowencePath() const
{
QPainterPath path;
path.setFillRule(Qt::WindingFill);
const QVector<QPointF> points = GetLayoutAllowencePoints();
path.moveTo(points.at(0));
for (qint32 i = 1; i < points.count(); ++i)
{
path.lineTo(points.at(i));
}
path.lineTo(points.at(0));
return path;
}
//---------------------------------------------------------------------------------------------------------------------
QGraphicsItem *VLayoutDetail::GetItem() const
{
QGraphicsPathItem *item = new QGraphicsPathItem();
item->setPath(ContourPath());
return item;
}
//---------------------------------------------------------------------------------------------------------------------
QGraphicsItem* VLayoutDetail::GetGrainlineItem() const
{
if (d->grainlinePoints.count() < 6)
{
return 0;
}
VGraphicsFillItem* item = new VGraphicsFillItem();
QPainterPath path;
QVector<QPointF> v = Map(d->grainlinePoints);
path.moveTo(v.at(0));
for (int i = 1; i < v.count(); ++i)
{
path.lineTo(v.at(i));
}
item->setPath(path);
return item;
}
//---------------------------------------------------------------------------------------------------------------------
bool VLayoutDetail::IsMirror() const
{
return d->mirror;
}
//---------------------------------------------------------------------------------------------------------------------
void VLayoutDetail::SetMirror(bool value)
{
d->mirror = value;
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VLayoutDetail::RotatePoint rotates a point around the center for given angle
* @param ptCenter center around which the point is rotated
* @param pt point, which is rotated around the center
* @param dAng angle of rotation
* @return position of point pt after rotating it around the center for dAng radians
*/
QPointF VLayoutDetail::RotatePoint(const QPointF &ptCenter, const QPointF& pt, qreal dAng)
{
QPointF ptDest;
QPointF ptRel = pt - ptCenter;
ptDest.setX(cos(dAng)*ptRel.x() - sin(dAng)*ptRel.y());
ptDest.setY(sin(dAng)*ptRel.x() + cos(dAng)*ptRel.y());
return ptDest + ptCenter;
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VLayoutDetail::Mirror if the detail layout is rotated, this method will flip the
* label points over vertical axis, which goes through the center of the label
* @param list of 4 label vertices
* @return list of flipped points
*/
QVector<QPointF> VLayoutDetail::Mirror(const QVector<QPointF> &points) const
{
// should only call this method with rectangular shapes
Q_ASSERT(points.count() == 4);
if (d->mirror == false)
{
return points;
}
QVector<QPointF> v;
v.resize(4);
v[0] = points.at(2);
v[1] = points.at(3);
v[2] = points.at(0);
v[3] = points.at(1);
return v;
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VLayoutDetail::GetDistance calculates the Euclidian distance between the points
* @param pt1 first point
* @param pt2 second point
* @return Euclidian distance between the two points
*/
qreal VLayoutDetail::GetDistance(const QPointF &pt1, const QPointF &pt2)
{
const qreal dX = pt1.x() - pt2.x();
const qreal dY = pt1.y() - pt2.y();
return qSqrt(dX*dX + dY*dY);
}
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