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Calc local seam allowance for curve segment.

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--HG--
branch : feature
This commit is contained in:
Roman Telezhynskyi 2016-11-11 20:17:39 +02:00
parent ebd58376d9
commit 7490e3f8d6
2 changed files with 77 additions and 15 deletions
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88
src/libs/vpatterndb/vpiece.cpp
View file

@ -374,19 +374,77 @@ int VPiece::indexOfNode(const quint32 &id) const
void VPiece::CurveSeamAllowanceSegment(QVector<VSAPoint> &pointsEkv, const VContainer *data,
const QSharedPointer<VAbstractCurve> &curve, int i, bool reverse) const
{
const QPointF begin = StartSegment(data, i, reverse);
const QPointF end = EndSegment(data, i, reverse);
const VSAPoint begin = StartSegment(data, i, reverse);
const VSAPoint end = EndSegment(data, i, reverse);
const QVector<QPointF> points = curve->GetSegmentPoints(begin, end, reverse);
for(int i = 0; i < points.size(); ++i)
if (points.isEmpty())
{
pointsEkv.append(VSAPoint(points.at(i)));
return;
}
qreal w1 = begin.GetSAAfter();
qreal w2 = end.GetSABefore();
if (w1 < 0 && w2 < 0)
{// no local widths
for(int i = 0; i < points.size(); ++i)
{
pointsEkv.append(VSAPoint(points.at(i)));
}
}
else
{
const qreal width = ToPixel(GetSAWidth(), *data->GetPatternUnit());
w1 = ToPixel(w1, *data->GetPatternUnit());
if (w1 < 0)
{
w1 = width;
}
w2 = ToPixel(w1, *data->GetPatternUnit());
if (w2 < 0)
{
w2 = width;
}
const qreal wDiff = w2 - w1;// Difference between to local widths
const qreal fullLength = VAbstractCurve::PathLength(points);
VSAPoint p(points.at(0));//First point in the list
p.SetSAAfter(begin.GetSAAfter());
p.SetSABefore(begin.GetSABefore());
pointsEkv.append(p);
qreal length = 0; // how much we handle
for(int i = 1; i < points.size(); ++i)
{
p = VSAPoint(points.at(i));
if (i == points.size() - 1)
{// last point
p.SetSAAfter(end.GetSAAfter());
p.SetSABefore(end.GetSABefore());
}
else
{
length += QLineF(points.at(i-1), points.at(i)).length();
qreal localWidth = w1 + wDiff*(length/fullLength);
localWidth = FromPixel(localWidth, *data->GetPatternUnit());
p.SetSAAfter(localWidth);
p.SetSABefore(localWidth);
}
pointsEkv.append(p);
}
}
}
//---------------------------------------------------------------------------------------------------------------------
QPointF VPiece::StartSegment(const VContainer *data, const int &i, bool reverse) const
VSAPoint VPiece::StartSegment(const VContainer *data, int i, bool reverse) const
{
if (i < 0 && i > CountNodes()-1)
{
@ -401,21 +459,23 @@ QPointF VPiece::StartSegment(const VContainer *data, const int &i, bool reverse)
points = VGObject::GetReversePoints(points);
}
QPointF begin = points.first();
VSAPoint begin = points.first();
if (CountNodes() > 1)
{
if (i == 0)
{
if (at(CountNodes()-1).GetTypeTool() == Tool::NodePoint)
{
begin = *data->GeometricObject<VPointF>(at(CountNodes()-1).GetId());
const VPieceNode node = at(CountNodes()-1);
begin = VSAPoint(*data->GeometricObject<VPointF>(node.GetId()));
}
}
else
{
if (at(i-1).GetTypeTool() == Tool::NodePoint)
{
begin = *data->GeometricObject<VPointF>(at(i-1).GetId());
const VPieceNode node = at(i-1);
begin = VSAPoint(*data->GeometricObject<VPointF>(node.GetId()));
}
}
}
@ -423,7 +483,7 @@ QPointF VPiece::StartSegment(const VContainer *data, const int &i, bool reverse)
}
//---------------------------------------------------------------------------------------------------------------------
QPointF VPiece::EndSegment(const VContainer *data, const int &i, bool reverse) const
VSAPoint VPiece::EndSegment(const VContainer *data, int i, bool reverse) const
{
if (i < 0 && i > CountNodes()-1)
{
@ -438,21 +498,23 @@ QPointF VPiece::EndSegment(const VContainer *data, const int &i, bool reverse) c
points = VGObject::GetReversePoints(points);
}
QPointF end = points.last();
VSAPoint end = points.last();
if (CountNodes() > 2)
{
if (i == CountNodes() - 1)
{
if (at(0).GetTypeTool() == Tool::NodePoint)
{
end = *data->GeometricObject<VPointF>(at(0).GetId());
const VPieceNode node = at(0);
end = VSAPoint(*data->GeometricObject<VPointF>(node.GetId()));
}
}
else
{
if (at(i+1).GetTypeTool() == Tool::NodePoint)
{
end = *data->GeometricObject<VPointF>(at(i+1).GetId());
const VPieceNode node = at(i+1);
end = VSAPoint(*data->GeometricObject<VPointF>(node.GetId()));
}
}
}

4
src/libs/vpatterndb/vpiece.h
View file

@ -87,8 +87,8 @@ private:
void CurveSeamAllowanceSegment(QVector<VSAPoint> &pointsEkv, const VContainer *data,
const QSharedPointer<VAbstractCurve> &curve, int i, bool reverse) const;
QPointF StartSegment(const VContainer *data, const int &i, bool reverse) const;
QPointF EndSegment(const VContainer *data, const int &i, bool reverse) const;
VSAPoint StartSegment(const VContainer *data, int i, bool reverse) const;
VSAPoint EndSegment(const VContainer *data, int i, bool reverse) const;
static int indexOfNode(const QVector<VPieceNode> &list, quint32 id);
};