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Load Texture information from obj

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git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@98 fdac6126-5c0c-442c-9429-916003d36597
This commit is contained in:
Jan Möbius
2009-04-22 11:59:15 +00:00
parent e57f6567e1
commit ed28ee8475
4 changed files with 149 additions and 65 deletions
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7
Core/IO/importer/BaseImporter.hh
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@@ -80,6 +80,9 @@ public:
// add texture coordinates per face, _vh references the first texcoord
virtual void add_face_texcoords( FaceHandle _fh, VertexHandle _vh, const std::vector<Vec2f>& _face_texcoords) = 0;
// Set the texture index for a face
virtual void set_face_texindex( FaceHandle _fh, int _texId ) = 0;
// set vertex normal
virtual void set_normal(VertexHandle _vh, const Vec3f& _normal) = 0;
@@ -104,6 +107,10 @@ public:
// set face color
virtual void set_color(FaceHandle _fh, const Vec4uc& _color) = 0;
// Store a property in the mesh mapping from an int to a texture file
// Use set_face_texindex to set the index for each face
virtual void add_texture_information( int _id , std::string _name ) = 0;
// get reference to base kernel
virtual BaseKernel* kernel() { return 0; }

53
Core/IO/importer/ImporterT.hh
View File

@@ -120,25 +120,6 @@ public:
return fh;
}
virtual void add_face_texcoords( FaceHandle _fh, VertexHandle _vh, const std::vector<Vec2f>& _face_texcoords)
{
// get first halfedge handle
HalfedgeHandle cur_heh = mesh_.halfedge_handle(_fh);
HalfedgeHandle end_heh = mesh_.prev_halfedge_handle(cur_heh);
// find start heh
while( mesh_.to_vertex_handle(cur_heh) != _vh && cur_heh != end_heh )
cur_heh = mesh_.next_halfedge_handle( cur_heh);
for(unsigned int i=0; i<_face_texcoords.size(); ++i)
{
set_texcoord( cur_heh, _face_texcoords[i]);
cur_heh = mesh_.next_halfedge_handle( cur_heh);
}
}
// vertex attributes
virtual void set_normal(VertexHandle _vh, const Vec3f& _normal)
@@ -193,6 +174,40 @@ public:
mesh_.set_color(_fh, color_cast<Color>(_color));
}
virtual void add_face_texcoords( FaceHandle _fh, VertexHandle _vh, const std::vector<Vec2f>& _face_texcoords)
{
// get first halfedge handle
HalfedgeHandle cur_heh = mesh_.halfedge_handle(_fh);
HalfedgeHandle end_heh = mesh_.prev_halfedge_handle(cur_heh);
// find start heh
while( mesh_.to_vertex_handle(cur_heh) != _vh && cur_heh != end_heh )
cur_heh = mesh_.next_halfedge_handle( cur_heh);
for(unsigned int i=0; i<_face_texcoords.size(); ++i)
{
set_texcoord( cur_heh, _face_texcoords[i]);
cur_heh = mesh_.next_halfedge_handle( cur_heh);
}
}
virtual void set_face_texindex( FaceHandle _fh, int _texId ) {
if ( mesh_.has_face_texture_index() ) {
mesh_.set_texture_index(_fh , _texId);
}
}
virtual void add_texture_information( int _id , std::string _name ) {
OpenMesh::MPropHandleT< std::map< int, std::string > > property;
if ( !mesh_.get_property_handle(property,"TextureMapping") ) {
mesh_.add_property(property,"TextureMapping");
}
if ( mesh_.property(property).find( _id ) == mesh_.property(property).end() )
mesh_.property(property)[_id] = _name;
}
// low-level access to mesh
virtual BaseKernel* kernel() { return &mesh_; }