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ConstPerEdgeAttributeHandle

This commit is contained in:
alemuntoni 2021-03-23 16:20:31 +01:00
parent e0ccec2fc8
commit 7f8260b0a4
1 changed files with 34 additions and 1 deletions
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35
vcg/complex/allocate.h
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@ -1628,6 +1628,15 @@ public:
return false; return false;
} }
template <class ATTR_TYPE>
static
bool IsValidHandle( const MeshType & m, const typename MeshType::template ConstPerEdgeAttributeHandle<ATTR_TYPE> & a){
if(a._handle == nullptr) return false;
for(AttrIterator i = m.edge_attr.begin(); i!=m.edge_attr.end();++i)
if ( (*i).n_attr == a.n_attr ) return true;
return false;
}
template <class ATTR_TYPE> template <class ATTR_TYPE>
static static
typename MeshType::template PerEdgeAttributeHandle<ATTR_TYPE> typename MeshType::template PerEdgeAttributeHandle<ATTR_TYPE>
@ -1674,6 +1683,12 @@ public:
return AddPerEdgeAttribute<ATTR_TYPE>(m,name); return AddPerEdgeAttribute<ATTR_TYPE>(m,name);
} }
template <class ATTR_TYPE>
static
typename MeshType::template ConstPerEdgeAttributeHandle<ATTR_TYPE>
GetPerEdgeAttribute( const MeshType & m, std::string name = std::string("")){
return FindPerEdgeAttribute<ATTR_TYPE>(m,name);
}
template <class ATTR_TYPE> template <class ATTR_TYPE>
static static
@ -1700,6 +1715,24 @@ public:
return typename MeshType:: template PerEdgeAttributeHandle<ATTR_TYPE>(nullptr,0); return typename MeshType:: template PerEdgeAttributeHandle<ATTR_TYPE>(nullptr,0);
} }
template <class ATTR_TYPE>
static
typename MeshType::template ConstPerEdgeAttributeHandle<ATTR_TYPE>
FindPerEdgeAttribute( const MeshType & m, const std::string & name){
if(!name.empty()){
PointerToAttribute h1; h1._name = name;
typename std::set<PointerToAttribute > ::const_iterator i;
i =m.edge_attr.find(h1);
if(i!=m.edge_attr.end()){
if((*i)._sizeof == sizeof(ATTR_TYPE) ){
return typename MeshType::template ConstPerEdgeAttributeHandle<ATTR_TYPE>((*i)._handle,(*i).n_attr);
}
}
}
return typename MeshType:: template ConstPerEdgeAttributeHandle<ATTR_TYPE>(nullptr,0);
}
template <class ATTR_TYPE> template <class ATTR_TYPE>
static void GetAllPerEdgeAttribute(const MeshType & m, std::vector<std::string> &all){ static void GetAllPerEdgeAttribute(const MeshType & m, std::vector<std::string> &all){
all.clear(); all.clear();
@ -1707,7 +1740,7 @@ public:
for(i = m.edge_attr.begin(); i != m.edge_attr.end(); ++i ) for(i = m.edge_attr.begin(); i != m.edge_attr.end(); ++i )
if(!(*i)._name.empty()) if(!(*i)._name.empty())
{ {
typename MeshType:: template PerEdgeAttributeHandle<ATTR_TYPE> hh; typename MeshType:: template ConstPerEdgeAttributeHandle<ATTR_TYPE> hh;
hh = Allocator<MeshType>:: template FindPerEdgeAttribute <ATTR_TYPE>(m,(*i)._name); hh = Allocator<MeshType>:: template FindPerEdgeAttribute <ATTR_TYPE>(m,(*i)._name);
if(IsValidHandle<ATTR_TYPE>(m,hh)) if(IsValidHandle<ATTR_TYPE>(m,hh))
all.push_back((*i)._name); all.push_back((*i)._name);