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OBJReader.hh
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42/*===========================================================================*\
43 * *
44 * $Revision$ *
45 * $Date$ *
46 * *
47\*===========================================================================*/
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
77namespace OpenMesh {
78namespace IO {
79
80
81//== IMPLEMENTATION ===========================================================
82
83
87class OPENMESHDLLEXPORT _OBJReader_ : public BaseReader
88{
89public:
90
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
106private:
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
174private:
175
176 bool read_vertices(std::istream& _in, BaseImporter& _bi, Options& _opt,
177 std::vector<Vec3f> & normals,
178 std::vector<Vec3f> & colors,
179 std::vector<Vec3f> & texcoords3d,
180 std::vector<Vec2f> & texcoords,
181 std::vector<VertexHandle> & vertexHandles,
182 Options & fileOptions);
183
184 std::string path_;
185
186};
187
188
189//== TYPE DEFINITION ==========================================================
190
191
192extern _OBJReader_ __OBJReaderInstance;
193OPENMESHDLLEXPORT _OBJReader_& OBJReader();
194
195
196//=============================================================================
197} // namespace IO
198} // namespace OpenMesh
199//=============================================================================
200#endif
201//=============================================================================
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition MeshItems.hh:64
VectorT< float, 3 > Vec3f
3-float vector
Definition Vector11T.hh:769
Base class for importer modules.
Definition BaseImporter.hh:89
Set options for reader/writer modules.
Definition Options.hh:96
Base class for reader modules.
Definition BaseReader.hh:95
Implementation of the OBJ format reader.
Definition OBJReader.hh:88
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
std::string get_description() const
Returns a brief description of the file type that can be parsed.
Definition OBJReader.hh:95

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