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Improved documentation for the Foreach Helpers

This commit is contained in:
Paolo Cignoni 2017-08-31 13:08:06 +02:00
parent c71321a3b6
commit eddd63caea
1 changed files with 62 additions and 15 deletions
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77
vcg/complex/foreach.h
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@ -50,39 +50,86 @@ inline void ForEachFacePos(MeshType &m, std::function<void (typename face::Pos<t
} }
} }
/**
* ForEachFace Helper
* to traverse all the faces of a mesh you can simply write something like:
*
* ForEachFace(m, [&](const FaceType &f){
* MakeSomethingWithFace(f);
* });
*
*/
template <class MeshType> template <class MeshType>
inline void ForEachFace(const MeshType &m, std::function<void (const typename MeshType::FaceType &)> action) inline void ForEachFace(const MeshType &m, std::function<void (const typename MeshType::FaceType &)> action)
{ {
if(m.fn == (int) m.face.size())
{
for(auto fi=m.face.begin();fi!=m.face.end();++fi) {
action(*fi);
}
}
else
{
for(auto fi=m.face.begin();fi!=m.face.end();++fi) for(auto fi=m.face.begin();fi!=m.face.end();++fi)
if(!(*fi).IsD()) if(!(*fi).IsD())
{ {
action(*fi); action(*fi);
} }
}
} }
template <class MeshType> template <class MeshType>
inline void ForEachFace(MeshType &m, std::function<void (typename MeshType::FaceType &)> action) inline void ForEachFace(const MeshType &m, std::function<void (typename MeshType::FaceType &)> action)
{ {
if(m.fn == (int) m.face.size())
{
for(auto fi=m.face.begin();fi!=m.face.end();++fi) {
action(*fi);
}
}
else
{
for(auto fi=m.face.begin();fi!=m.face.end();++fi) for(auto fi=m.face.begin();fi!=m.face.end();++fi)
if(!(*fi).IsD()) if(!(*fi).IsD())
{ {
action(*fi); action(*fi);
} }
}
} }
/**
* ForEachVertex Helper
* to traverse all the vertexes of a mesh you can simply write something like:
*
* ForEachVertex(m, [&](const VertexType &v){
* MakeSomethingWithVertex(v);
* });
*
*/
template <class MeshType> template <class MeshType>
inline void forEachVertex(MeshType &m, std::function<void (typename MeshType::FaceType &)> action) inline void ForEachVertex(MeshType &m, std::function<void (typename MeshType::VertexType &)> action)
{ {
for(auto fi=m.face.begin();fi!=m.face.end();++fi) if(m.vn == (int) m.vert.size())
if(!(*fi).IsD()) {
{ for(auto vi=m.vert.begin();vi!=m.vert.end();++vi) {
action(*fi); action(*vi);
} }
}
else
{
for(auto vi=m.vert.begin();vi!=m.vert.end();++vi)
if(!(*vi).IsD())
{
action(*vi);
}
}
} }
/** @} */ // end doxygen group trimesh /** @} */ // end doxygen group trimesh
} // end namespace tri } // end namespace tri
} // end namespace vcg } // end namespace vcg