Merged branch 'dev_native' into lm_sla_supports_auto

Added igl library files

src/igl/readOFF.h

@@ -0,0 +1,86 @@
+// 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
+  //
+  // Templates:
+  //   Scalar  type for positions and vectors (will be read as double and cast
+  //     to Scalar)
+  //   Index  type for indices (will be read as int and cast to Index)
+  // Inputs:
+  //  str  path to .obj file
+  // Outputs:
+  //   V  double matrix of vertex positions  #V by 3
+  //   F  #F list of face indices into vertex positions
+  //   N  list of vertex normals #V by 3
+  //   C  list of rgb color values per vertex #V by 3
+  // Returns 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);
+  // Inputs:
+  //   off_file  pointer to already opened .off file 
+  // Outputs:
+  //   off_file  closed file
+  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_NO_EIGEN
+  // read mesh from a ascii off file
+  // Inputs:
+  //   str  path to .off file
+  // Outputs:
+  //   V  eigen double matrix #V by 3
+  //   F  eigen int matrix #F by 3
+  template <typename DerivedV, typename DerivedF>
+  IGL_INLINE bool readOFF(
+    const std::string str,
+    Eigen::PlainObjectBase<DerivedV>& V,
+    Eigen::PlainObjectBase<DerivedF>& F);
+
+  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);
+#endif
+
+}
+
+#ifndef IGL_STATIC_LIBRARY
+#  include "readOFF.cpp"
+#endif
+
+#endif