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// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
//
// This Source Code Form is subject to the terms of the Mozilla Public License
// v. 2.0. If a copy of the MPL was not distributed with this file, You can
// obtain one at http://mozilla.org/MPL/2.0/.
#ifndef IGL_READOFF_H
#define IGL_READOFF_H
#include "igl_inline.h"
// History:
// return type changed from void to bool Alec 18 Sept 2011
#ifndef IGL_NO_EIGEN
# include <Eigen/Core>
#endif
#include <string>
#include <vector>
#include <cstdio>
namespace igl
{
/// Read a mesh from an ascii OFF file, filling in vertex positions, normals
/// and texture coordinates. Mesh may have faces of any number of degree
///
/// @tparam Scalar type for positions and vectors (will be read as double and cast
/// to Scalar)
/// @tparam Index type for indices (will be read as int and cast to Index)
/// @param[in] str path to .obj file
/// @param[out] V double matrix of vertex positions #V by 3
/// @param[out] F #F list of face indices into vertex positions
/// @param[out] N list of vertex normals #V by 3
/// @param[out] C list of rgb color values per vertex #V by 3
/// @return true on success, false on errors
template <typename Scalar, typename Index>
IGL_INLINE bool readOFF(
const std::string off_file_name,
std::vector<std::vector<Scalar > > & V,
std::vector<std::vector<Index > > & F,
std::vector<std::vector<Scalar > > & N,
std::vector<std::vector<Scalar > > & C);
/// \overload
template <typename DerivedV, typename DerivedF>
IGL_INLINE bool readOFF(
const std::string str,
Eigen::PlainObjectBase<DerivedV>& V,
Eigen::PlainObjectBase<DerivedF>& F);
/// \overload
template <typename DerivedV, typename DerivedF>
IGL_INLINE bool readOFF(
const std::string str,
Eigen::PlainObjectBase<DerivedV>& V,
Eigen::PlainObjectBase<DerivedF>& F,
Eigen::PlainObjectBase<DerivedV>& N);
/// \overload
/// @param[in,out] off_file pointer to already open .off file (will be closed)
template <typename Scalar, typename Index>
IGL_INLINE bool readOFF(
FILE * off_file,
std::vector<std::vector<Scalar > > & V,
std::vector<std::vector<Index > > & F,
std::vector<std::vector<Scalar > > & N,
std::vector<std::vector<Scalar > > & C);
}
#ifndef IGL_STATIC_LIBRARY
# include "readOFF.cpp"
#endif
#endif