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OBJReader.hh
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//=============================================================================
//
// Implements an reader module for OBJ files
//
//=============================================================================
#ifndef __OBJREADER_HH__
#define __OBJREADER_HH__
//=== INCLUDES ================================================================
#include <iosfwd>
#include <string>
#include <map>
#include <OpenMesh/Core/System/config.h>
#include <OpenMesh/Core/Utils/SingletonT.hh>
#include <OpenMesh/Core/IO/importer/BaseImporter.hh>
#include <OpenMesh/Core/IO/reader/BaseReader.hh>
//== NAMESPACES ===============================================================
namespace OpenMesh {
namespace IO {
//== IMPLEMENTATION ===========================================================
class OPENMESHDLLEXPORT _OBJReader_ : public BaseReader
{
public:
_OBJReader_();
virtual ~_OBJReader_() { }
std::string get_description() const override { return "Alias/Wavefront"; }
std::string get_extensions() const override { return "obj"; }
bool read(const std::string& _filename,
BaseImporter& _bi,
Options& _opt) override;
bool read(std::istream& _in,
BaseImporter& _bi,
Options& _opt) override;
private:
#ifndef DOXY_IGNORE_THIS
class Material
{
public:
Material():Tr_(0),index_Kd_(0) { cleanup(); }
void cleanup()
{
Kd_is_set_ = false;
Ka_is_set_ = false;
Ks_is_set_ = false;
Tr_is_set_ = false;
map_Kd_is_set_ = false;
}
bool is_valid(void) const
{ return Kd_is_set_ || Ka_is_set_ || Ks_is_set_ || Tr_is_set_ || map_Kd_is_set_; }
bool has_Kd(void) { return Kd_is_set_; }
bool has_Ka(void) { return Ka_is_set_; }
bool has_Ks(void) { return Ks_is_set_; }
bool has_Tr(void) { return Tr_is_set_; }
bool has_map_Kd(void) { return map_Kd_is_set_; }
void set_Kd( float r, float g, float b )
{ Kd_=Vec3f(r,g,b); Kd_is_set_=true; }
void set_Ka( float r, float g, float b )
{ Ka_=Vec3f(r,g,b); Ka_is_set_=true; }
void set_Ks( float r, float g, float b )
{ Ks_=Vec3f(r,g,b); Ks_is_set_=true; }
void set_Tr( float t )
{ Tr_=t; Tr_is_set_=true; }
void set_map_Kd( const std::string& _name, int _index_Kd )
{ map_Kd_ = _name, index_Kd_ = _index_Kd; map_Kd_is_set_ = true; };
const Vec3f& Kd( void ) const { return Kd_; }
const Vec3f& Ka( void ) const { return Ka_; }
const Vec3f& Ks( void ) const { return Ks_; }
float Tr( void ) const { return Tr_; }
const std::string& map_Kd( void ) { return map_Kd_ ; }
const int& map_Kd_index( void ) { return index_Kd_ ; }
private:
Vec3f Kd_; bool Kd_is_set_; // diffuse
Vec3f Ka_; bool Ka_is_set_; // ambient
Vec3f Ks_; bool Ks_is_set_; // specular
float Tr_; bool Tr_is_set_; // transperency
std::string map_Kd_; int index_Kd_; bool map_Kd_is_set_; // Texture
};
#endif
typedef std::map<std::string, Material> MaterialList;
MaterialList materials_;
bool read_material( std::fstream& _in );
private:
bool read_vertices(std::istream& _in, BaseImporter& _bi, Options& _opt,
std::vector<Vec3f> & normals,
std::vector<Vec3f> & colors,
std::vector<Vec3f> & texcoords3d,
std::vector<Vec2f> & texcoords,
std::vector<VertexHandle> & vertexHandles,
Options & fileOptions);
std::string path_;
};
//== TYPE DEFINITION ==========================================================
extern _OBJReader_ __OBJReaderInstance;
OPENMESHDLLEXPORT _OBJReader_& OBJReader();
//=============================================================================
} // namespace IO
} // namespace OpenMesh
//=============================================================================
#endif
//=============================================================================
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition MeshItems.hh:59
OpenMesh::Vec3f
VectorT< float, 3 > Vec3f
3-float vector
Definition Vector11T.hh:851
OpenMesh::IO
This namespace contains functions for reading and writing polygonal meshes and a list of supported fi...
OpenMesh::IO::BaseImporter
Base class for importer modules.
Definition BaseImporter.hh:84
OpenMesh::IO::Options
Set options for reader/writer modules.
Definition Options.hh:92
OpenMesh::IO::BaseReader
Base class for reader modules.
Definition BaseReader.hh:87
OpenMesh::IO::_OBJReader_
Implementation of the OBJ format reader.
Definition OBJReader.hh:83
OpenMesh::IO::_OBJReader_::get_extensions
std::string get_extensions() const override
Returns a string with the accepted file extensions separated by a whitespace and in small caps.
Definition OBJReader.hh:91
OpenMesh::IO::_OBJReader_::get_description
std::string get_description() const override
Returns a brief description of the file type that can be parsed.
Definition OBJReader.hh:90