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add const overload and return by reference

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Signed-off-by: Tom Hulton-Harrop <tom.hultonharrop@gmail.com>
This commit is contained in:
Tom Hulton-Harrop 2023-03-30 22:43:37 +01:00
parent 81612cb108
commit a5b0e3cdf4
4 changed files with 20 additions and 6 deletions
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4
poly2tri/sweep/cdt.cc
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@ -52,12 +52,12 @@ void CDT::Triangulate()
sweep_->Triangulate(*sweep_context_); sweep_->Triangulate(*sweep_context_);
} }
std::vector<p2t::Triangle*> CDT::GetTriangles() const std::vector<p2t::Triangle*>& CDT::GetTriangles() const
{ {
return sweep_context_->GetTriangles(); return sweep_context_->GetTriangles();
} }
std::list<p2t::Triangle*> CDT::GetMap() const std::list<p2t::Triangle*>& CDT::GetMap() const
{ {
return sweep_context_->GetMap(); return sweep_context_->GetMap();
} }

4
poly2tri/sweep/cdt.h
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@ -83,12 +83,12 @@ public:
/** /**
* Get CDT triangles * Get CDT triangles
*/ */
std::vector<Triangle*> GetTriangles(); const std::vector<Triangle*>& GetTriangles() const;
/** /**
* Get triangle map * Get triangle map
*/ */
std::list<Triangle*> GetMap(); const std::list<Triangle*>& GetMap() const;
private: private:

16
poly2tri/sweep/sweep_context.cc
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@ -57,12 +57,24 @@ void SweepContext::AddPoint(Point* point) {
points_.push_back(point); points_.push_back(point);
} }
std::vector<Triangle*> &SweepContext::GetTriangles() std::vector<Triangle*>& SweepContext::GetTriangles()
{
return const_cast<std::vector<Triangle*>&>(
static_cast<const SweepContext&>(*this).GetTriangles());
}
const std::vector<Triangle*>& SweepContext::GetTriangles() const
{ {
return triangles_; return triangles_;
} }
std::list<Triangle*> &SweepContext::GetMap() std::list<Triangle*>& SweepContext::GetMap()
{
return const_cast<std::list<Triangle*>&>(
static_cast<const SweepContext&>(*this).GetMap());
}
const std::list<Triangle*>& SweepContext::GetMap() const
{ {
return map_; return map_;
} }

2
poly2tri/sweep/sweep_context.h
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@ -91,7 +91,9 @@ AdvancingFront* front() const;
void MeshClean(Triangle& triangle); void MeshClean(Triangle& triangle);
std::vector<Triangle*> &GetTriangles(); std::vector<Triangle*> &GetTriangles();
const std::vector<Triangle*> &GetTriangles() const;
std::list<Triangle*> &GetMap(); std::list<Triangle*> &GetMap();
const std::list<Triangle*> &GetMap() const;
std::vector<Edge*> edge_list; std::vector<Edge*> edge_list;