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Returned visualization of base seam allowance.

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--HG--
branch : feature
This commit is contained in:
Roman Telezhynskyi 2016-11-10 14:06:09 +02:00
parent a5fc19d7ec
commit f992bb7bbd
6 changed files with 278 additions and 1 deletions
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185
src/libs/vlayout/vabstractpiece.cpp
View file

@ -109,6 +109,54 @@ void VAbstractPiece::SetSAWidth(qreal value)
value >= 0 ? d->m_width = value : d->m_width = 0;
}
//---------------------------------------------------------------------------------------------------------------------
QVector<QPointF> VAbstractPiece::Equidistant(const QVector<QPointF> &points, qreal width)
{
QVector<QPointF> ekvPoints;
if (width <= 0)
{
qDebug()<<"Width <= 0.";
return QVector<QPointF>();
}
QVector<QPointF> p = CorrectEquidistantPoints(points);
if ( p.size() < 3 )
{
qDebug()<<"Not enough points for building the equidistant.";
return QVector<QPointF>();
}
if (p.last().toPoint() != p.first().toPoint())
{
p.append(p.at(0));// Should be always closed
}
for (qint32 i = 0; i < p.size(); ++i )
{
if ( i == 0)
{//first point
ekvPoints << EkvPoint(QLineF(p.at(p.size()-2), p.at(p.size()-1)), QLineF(p.at(1), p.at(0)), width);
continue;
}
if (i == p.size()-1)
{//last point
if (not ekvPoints.isEmpty())
{
ekvPoints.append(ekvPoints.at(0));
}
continue;
}
//points in the middle of polyline
ekvPoints << EkvPoint(QLineF(p.at(i-1), p.at(i)), QLineF(p.at(i+1), p.at(i)), width);
}
const bool removeFirstAndLast = false;
ekvPoints = CheckLoops(CorrectEquidistantPoints(ekvPoints, removeFirstAndLast));//Result path can contain loops
return ekvPoints;
}
//---------------------------------------------------------------------------------------------------------------------
qreal VAbstractPiece::SumTrapezoids(const QVector<QPointF> &points)
{
@ -349,3 +397,140 @@ QVector<QPointF> VAbstractPiece::RemoveDublicates(const QVector<QPointF> &points
return p;
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief EkvPoint return vector of points of equidistant two lines. Last point of two lines must be equal.
* @param line1 first line.
* @param line2 second line.
* @param width width of equidistant.
* @return vector of points.
*/
QVector<QPointF> VAbstractPiece::EkvPoint(const QLineF &line1, const QLineF &line2, qreal width)
{
if (width <= 0)
{
return QVector<QPointF>();
}
QVector<QPointF> points;
if (line1.p2() != line2.p2())
{
qDebug()<<"Last points of two lines must be equal.";
return QVector<QPointF>();
}
QPointF CrosPoint;
const QLineF bigLine1 = ParallelLine(line1, width );
const QLineF bigLine2 = ParallelLine(QLineF(line2.p2(), line2.p1()), width );
QLineF::IntersectType type = bigLine1.intersect( bigLine2, &CrosPoint );
switch (type)
{
case (QLineF::BoundedIntersection):
points.append(CrosPoint);
return points;
break;
case (QLineF::UnboundedIntersection):
{
QLineF line( line1.p2(), CrosPoint );
const int angle1 = BisectorAngle(line1.p1(), line1.p2(), line2.p1());
const int angle2 = BisectorAngle(bigLine1.p1(), CrosPoint, bigLine2.p2());
if (angle1 == angle2)
{//Regular equdistant case
const qreal length = line.length();
if (length > width*2.4)
{ // Cutting too long a cut angle
line.setLength(width); // Not sure about width value here
QLineF cutLine(line.p2(), CrosPoint); // Cut line is a perpendicular
cutLine.setLength(length); // Decided take this length
// We do not check intersection type because intersection must alwayse exist
QPointF px;
cutLine.setAngle(cutLine.angle()+90);
QLineF::IntersectType type = bigLine1.intersect( cutLine, &px );
if (type == QLineF::NoIntersection)
{
qDebug()<<"Couldn't find intersection with cut line.";
}
points.append(px);
cutLine.setAngle(cutLine.angle()-180);
type = bigLine2.intersect( cutLine, &px );
if (type == QLineF::NoIntersection)
{
qDebug()<<"Couldn't find intersection with cut line.";
}
points.append(px);
}
else
{
points.append(CrosPoint);
return points;
}
}
else
{// Dart. Ignore if going outside of equdistant
const QLineF bigEdge = ParallelLine(QLineF(line1.p1(), line2.p1()), width );
QPointF px;
const QLineF::IntersectType type = bigEdge.intersect(line, &px);
if (type != QLineF::BoundedIntersection)
{
points.append(CrosPoint);
return points;
}
}
break;
}
case (QLineF::NoIntersection):
/*If we have correct lines this means lines lie on a line.*/
points.append(bigLine1.p2());
return points;
break;
default:
break;
}
return points;
}
//---------------------------------------------------------------------------------------------------------------------
QLineF VAbstractPiece::ParallelLine(const QLineF &line, qreal width)
{
const QLineF paralel = QLineF(SingleParallelPoint(line, 90, width),
SingleParallelPoint(QLineF(line.p2(), line.p1()), -90, width));
return paralel;
}
//---------------------------------------------------------------------------------------------------------------------
QPointF VAbstractPiece::SingleParallelPoint(const QLineF &line, qreal angle, qreal width)
{
QLineF pLine = line;
pLine.setAngle( pLine.angle() + angle );
pLine.setLength( width );
return pLine.p2();
}
//---------------------------------------------------------------------------------------------------------------------
int VAbstractPiece::BisectorAngle(const QPointF &p1, const QPointF &p2, const QPointF &p3)
{
QLineF line1(p2, p1);
QLineF line2(p2, p3);
QLineF bLine;
const qreal angle1 = line1.angleTo(line2);
const qreal angle2 = line2.angleTo(line1);
if (angle1 <= angle2)
{
bLine = line1;
bLine.setAngle(bLine.angle() + angle1/2.0);
}
else
{
bLine = line2;
bLine.setAngle(bLine.angle() + angle2/2.0);
}
return qRound(bLine.angle());
}

7
src/libs/vlayout/vabstractpiece.h
View file

@ -35,6 +35,7 @@
template <class T> class QVector;
class QPointF;
class VAbstractPieceData;
class QLineF;
class VAbstractPiece
{
@ -56,6 +57,7 @@ public:
qreal GetSAWidth() const;
void SetSAWidth(qreal value);
static QVector<QPointF> Equidistant(const QVector<QPointF> &points, qreal width);
static qreal SumTrapezoids(const QVector<QPointF> &points);
static QVector<QPointF> CheckLoops(const QVector<QPointF> &points);
static QVector<QPointF> CorrectEquidistantPoints(const QVector<QPointF> &points, bool removeFirstAndLast = true);
@ -65,6 +67,11 @@ protected:
private:
QSharedDataPointer<VAbstractPieceData> d;
static QVector<QPointF> EkvPoint(const QLineF &line1, const QLineF &line2, qreal width);
static QLineF ParallelLine(const QLineF &line, qreal width);
static QPointF SingleParallelPoint(const QLineF &line, qreal angle, qreal width);
static int BisectorAngle(const QPointF &p1, const QPointF &p2, const QPointF &p3);
};
#endif // VABSTRACTPIECE_H

68
src/libs/vpatterndb/vpiece.cpp
View file

@ -200,6 +200,50 @@ QVector<QPointF> VPiece::MainPathNodePoints(const VContainer *data) const
return points;
}
//---------------------------------------------------------------------------------------------------------------------
QVector<QPointF> VPiece::SeamAllowancePoints(const VContainer *data) const
{
SCASSERT(data != nullptr);
QVector<QPointF> pointsEkv;
if (not IsSeamAllowance())
{
return pointsEkv;
}
for (int i = 0; i< CountNodes(); ++i)
{
switch (at(i).GetTypeTool())
{
case (Tool::NodePoint):
{
const QSharedPointer<VPointF> point = data->GeometricObject<VPointF>(at(i).GetId());
pointsEkv.append(*point);
}
break;
case (Tool::NodeArc):
case (Tool::NodeSpline):
case (Tool::NodeSplinePath):
{
const QSharedPointer<VAbstractCurve> curve = data->GeometricObject<VAbstractCurve>(at(i).GetId());
const QPointF begin = StartSegment(data, i, at(i).GetReverse());
const QPointF end = EndSegment(data, i, at(i).GetReverse());
pointsEkv << curve->GetSegmentPoints(begin, end, at(i).GetReverse());
}
break;
default:
qDebug()<<"Get wrong tool type. Ignore."<< static_cast<char>(at(i).GetTypeTool());
break;
}
}
pointsEkv = CheckLoops(CorrectEquidistantPoints(pointsEkv));//A path can contains loops
pointsEkv = Equidistant(pointsEkv, ToPixel(GetSAWidth(), *data->GetPatternUnit()));
return pointsEkv;
}
//---------------------------------------------------------------------------------------------------------------------
QPainterPath VPiece::MainPathPath(const VContainer *data) const
{
@ -220,6 +264,30 @@ QPainterPath VPiece::MainPathPath(const VContainer *data) const
return path;
}
//---------------------------------------------------------------------------------------------------------------------
QPainterPath VPiece::SeamAllowancePath(const VContainer *data) const
{
const QVector<QPointF> pointsEkv = SeamAllowancePoints(data);
QPainterPath ekv;
// seam allowence
if (IsSeamAllowance())
{
if (not pointsEkv.isEmpty())
{
ekv.moveTo(pointsEkv.at(0));
for (qint32 i = 1; i < pointsEkv.count(); ++i)
{
ekv.lineTo(pointsEkv.at(i));
}
ekv.setFillRule(Qt::WindingFill);
}
}
return ekv;
}
//---------------------------------------------------------------------------------------------------------------------
qreal VPiece::GetMx() const
{

2
src/libs/vpatterndb/vpiece.h
View file

@ -62,8 +62,10 @@ public:
QVector<QPointF> MainPathPoints(const VContainer *data) const;
QVector<QPointF> MainPathNodePoints(const VContainer *data) const;
QVector<QPointF> SeamAllowancePoints(const VContainer *data) const;
QPainterPath MainPathPath(const VContainer *data) const;
QPainterPath SeamAllowancePath(const VContainer *data) const;
qreal GetMx() const;
void SetMx(qreal value);

15
src/libs/vtools/tools/vtoolseamallowance.cpp
View file

@ -607,7 +607,8 @@ VToolSeamAllowance::VToolSeamAllowance(VAbstractPattern *doc, VContainer *data,
VNoBrushScalePathItem(parent),
m_dialog(),
m_sceneDetails(scene),
m_drawName(drawName)
m_drawName(drawName),
m_seamAllowance(new VNoBrushScalePathItem(this))
{
VPiece detail = data->GetPiece(id);
for (int i = 0; i< detail.CountNodes(); ++i)
@ -639,6 +640,7 @@ VToolSeamAllowance::VToolSeamAllowance(VAbstractPattern *doc, VContainer *data,
RefreshGeometry();
this->setBrush(QBrush(Qt::Dense7Pattern));
m_seamAllowance->setBrush(QBrush(Qt::FDiagPattern));
this->setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
this->setFlag(QGraphicsItem::ItemIsFocusable, true);// For keyboard input focus
@ -670,6 +672,17 @@ void VToolSeamAllowance::RefreshGeometry()
this->setPath(mainPath);
this->setPos(detail.GetMx(), detail.GetMy());
if (detail.IsSeamAllowance())
{
mainPath.addPath(detail.SeamAllowancePath(this->getData()));
mainPath.setFillRule(Qt::OddEvenFill);
m_seamAllowance->setPath(mainPath);
}
else
{
m_seamAllowance->setPath(QPainterPath());
}
this->setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
}

2
src/libs/vtools/tools/vtoolseamallowance.h
View file

@ -115,6 +115,8 @@ private:
VMainGraphicsScene *m_sceneDetails;
QString m_drawName;
VNoBrushScalePathItem *m_seamAllowance;
void SetDialog();
template<typename T>