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OBJReader.hh
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48 
49 
50 //=============================================================================
51 //
52 // Implements an reader module for OBJ files
53 //
54 //=============================================================================
55 
56 
57 #ifndef __OBJREADER_HH__
58 #define __OBJREADER_HH__
59 
60 
61 //=== INCLUDES ================================================================
62 
63 
64 #include <iosfwd>
65 #include <string>
66 #include <map>
67 
68 #include <OpenMesh/Core/System/config.h>
69 #include <OpenMesh/Core/Utils/SingletonT.hh>
70 #include <OpenMesh/Core/IO/importer/BaseImporter.hh>
71 #include <OpenMesh/Core/IO/reader/BaseReader.hh>
72 
73 
74 //== NAMESPACES ===============================================================
75 
76 
77 namespace OpenMesh {
78 namespace IO {
79 
80 
81 //== IMPLEMENTATION ===========================================================
82 
83 
87 class OPENMESHDLLEXPORT _OBJReader_ : public BaseReader
88 {
89 public:
90 
91  _OBJReader_();
92 
93  virtual ~_OBJReader_() { }
94 
95  std::string get_description() const { return "Alias/Wavefront"; }
96  std::string get_extensions() const { return "obj"; }
97 
98  bool read(const std::string& _filename,
99  BaseImporter& _bi,
100  Options& _opt);
101 
102  bool read(std::istream& _in,
103  BaseImporter& _bi,
104  Options& _opt);
105 
106 private:
107 
108 #ifndef DOXY_IGNORE_THIS
109  class Material
110  {
111  public:
112 
113  Material() { cleanup(); }
114 
115  void cleanup()
116  {
117  Kd_is_set_ = false;
118  Ka_is_set_ = false;
119  Ks_is_set_ = false;
120  Tr_is_set_ = false;
121  map_Kd_is_set_ = false;
122  }
123 
124  bool is_valid(void) const
125  { return Kd_is_set_ || Ka_is_set_ || Ks_is_set_ || Tr_is_set_ || map_Kd_is_set_; }
126 
127  bool has_Kd(void) { return Kd_is_set_; }
128  bool has_Ka(void) { return Ka_is_set_; }
129  bool has_Ks(void) { return Ks_is_set_; }
130  bool has_Tr(void) { return Tr_is_set_; }
131  bool has_map_Kd(void) { return map_Kd_is_set_; }
132 
133  void set_Kd( float r, float g, float b )
134  { Kd_=Vec3f(r,g,b); Kd_is_set_=true; }
135 
136  void set_Ka( float r, float g, float b )
137  { Ka_=Vec3f(r,g,b); Ka_is_set_=true; }
138 
139  void set_Ks( float r, float g, float b )
140  { Ks_=Vec3f(r,g,b); Ks_is_set_=true; }
141 
142  void set_Tr( float t )
143  { Tr_=t; Tr_is_set_=true; }
144 
145  void set_map_Kd( std::string _name, int _index_Kd )
146  { map_Kd_ = _name, index_Kd_ = _index_Kd; map_Kd_is_set_ = true; };
147 
148  const Vec3f& Kd( void ) const { return Kd_; }
149  const Vec3f& Ka( void ) const { return Ka_; }
150  const Vec3f& Ks( void ) const { return Ks_; }
151  float Tr( void ) const { return Tr_; }
152  const std::string& map_Kd( void ) { return map_Kd_ ; }
153  const int& map_Kd_index( void ) { return index_Kd_ ; }
154 
155  private:
156 
157  Vec3f Kd_; bool Kd_is_set_; // diffuse
158  Vec3f Ka_; bool Ka_is_set_; // ambient
159  Vec3f Ks_; bool Ks_is_set_; // specular
160  float Tr_; bool Tr_is_set_; // transperency
161 
162  std::string map_Kd_; int index_Kd_; bool map_Kd_is_set_; // Texture
163 
164  };
165 #endif
166 
167  typedef std::map<std::string, Material> MaterialList;
168 
169  MaterialList materials_;
170 
171  bool read_material( std::fstream& _in );
172 
173 private:
174 
175  std::string path_;
176 
177 };
178 
179 
180 //== TYPE DEFINITION ==========================================================
181 
182 
183 extern _OBJReader_ __OBJReaderInstance;
184 OPENMESHDLLEXPORT _OBJReader_& OBJReader();
185 
186 
187 //=============================================================================
188 } // namespace IO
189 } // namespace OpenMesh
190 //=============================================================================
191 #endif
192 //=============================================================================
std::string get_extensions() const
Returns a string with the accepted file extensions separated by a whitespace and in small caps...
Definition: OBJReader.hh:96
Set options for reader/writer modules.
Definition: Options.hh:95
Base class for reader modules.
Definition: BaseReader.hh:94
std::string get_description() const
Returns a brief description of the file type that can be parsed.
Definition: OBJReader.hh:95
Implementation of the OBJ format reader.
Definition: OBJReader.hh:87
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:64
Base class for importer modules.
Definition: BaseImporter.hh:88

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