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Make sure that a point is really lies on curve.

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--HG--
branch : feature
This commit is contained in:
Roman Telezhynskyi 2016-11-12 14:00:07 +02:00
parent e1d559e1d3
commit caba2db95b
3 changed files with 57 additions and 12 deletions
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27
src/libs/vgeometry/vabstractcurve.cpp
View file

@ -236,6 +236,33 @@ bool VAbstractCurve::IsIntersectLine(const QLineF &line) const
return not points.isEmpty();
}
//---------------------------------------------------------------------------------------------------------------------
bool VAbstractCurve::IsPointOnCurve(const QPointF &p) const
{
const QVector<QPointF> points = GetPoints();
if (points.isEmpty())
{
return false;
}
else if (points.size() < 2)
{
return points.at(0) == p;
}
else
{
for (qint32 i = 0; i < points.count()-1; ++i)
{
if (IsPointOnLineSegment(p, points.at(i), points.at(i+1)))
{
return true;
}
}
}
return false;
}
//---------------------------------------------------------------------------------------------------------------------
quint32 VAbstractCurve::GetDuplicate() const
{

2
src/libs/vgeometry/vabstractcurve.h
View file

@ -70,6 +70,8 @@ public:
virtual QVector<QPointF> IntersectLine(const QLineF &line) const;
virtual bool IsIntersectLine(const QLineF &line) const;
bool IsPointOnCurve(const QPointF &p) const;
virtual qreal GetStartAngle () const=0;
virtual qreal GetEndAngle () const=0;

40
src/libs/vpatterndb/vpiece.cpp
View file

@ -471,9 +471,13 @@ VSAPoint VPiece::StartSegment(const VContainer *data, int i, bool reverse) const
if (at(CountNodes()-1).GetTypeTool() == Tool::NodePoint)
{
const VPieceNode node = at(CountNodes()-1);
begin = VSAPoint(*data->GeometricObject<VPointF>(node.GetId()));
begin.SetSAAfter(node.GetSAAfter());
begin.SetSABefore(node.GetSABefore());
const QPointF p = *data->GeometricObject<VPointF>(node.GetId());
if (curve->IsPointOnCurve(p))
{
begin = VSAPoint(p);
begin.SetSAAfter(node.GetSAAfter());
begin.SetSABefore(node.GetSABefore());
}
}
}
else
@ -481,9 +485,13 @@ VSAPoint VPiece::StartSegment(const VContainer *data, int i, bool reverse) const
if (at(i-1).GetTypeTool() == Tool::NodePoint)
{
const VPieceNode node = at(i-1);
begin = VSAPoint(*data->GeometricObject<VPointF>(node.GetId()));
begin.SetSAAfter(node.GetSAAfter());
begin.SetSABefore(node.GetSABefore());
const QPointF p = *data->GeometricObject<VPointF>(node.GetId());
if (curve->IsPointOnCurve(p))
{
begin = VSAPoint(p);
begin.SetSAAfter(node.GetSAAfter());
begin.SetSABefore(node.GetSABefore());
}
}
}
}
@ -514,9 +522,13 @@ VSAPoint VPiece::EndSegment(const VContainer *data, int i, bool reverse) const
if (at(0).GetTypeTool() == Tool::NodePoint)
{
const VPieceNode node = at(0);
end = VSAPoint(*data->GeometricObject<VPointF>(node.GetId()));
end.SetSAAfter(node.GetSAAfter());
end.SetSABefore(node.GetSABefore());
const QPointF p = *data->GeometricObject<VPointF>(node.GetId());
if (curve->IsPointOnCurve(p))
{
end = VSAPoint(p);
end.SetSAAfter(node.GetSAAfter());
end.SetSABefore(node.GetSABefore());
}
}
}
else
@ -524,9 +536,13 @@ VSAPoint VPiece::EndSegment(const VContainer *data, int i, bool reverse) const
if (at(i+1).GetTypeTool() == Tool::NodePoint)
{
const VPieceNode node = at(i+1);
end = VSAPoint(*data->GeometricObject<VPointF>(node.GetId()));
end.SetSAAfter(node.GetSAAfter());
end.SetSABefore(node.GetSABefore());
const QPointF p = *data->GeometricObject<VPointF>(node.GetId());
if (curve->IsPointOnCurve(p))
{
end = VSAPoint(p);
end.SetSAAfter(node.GetSAAfter());
end.SetSABefore(node.GetSABefore());
}
}
}
}