pxmlw6n2f/Gazebo_Distributed_TCP/gazebo/common/STLLoader.hh

100 lines
3.3 KiB
C++

/*
* Copyright (C) 2012 Open Source Robotics Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#ifndef _GAZEBO_STLLOADER_HH_
#define _GAZEBO_STLLOADER_HH_
#include <stdint.h>
#include <string>
#include "gazebo/common/MeshLoader.hh"
#include "gazebo/util/system.hh"
#define LINE_MAX_LEN 256
#define COR3_MAX 200000
#define ORDER_MAX 10
#define FACE_MAX 200000
namespace gazebo
{
namespace common
{
/// \addtogroup gazebo_common Common
/// \{
/// \class STLLoader STLLoader.hh common/common.hh
/// \brief Class used to load STL mesh files
class GZ_COMMON_VISIBLE STLLoader : public MeshLoader
{
/// \brief Constructor
public: STLLoader();
/// \brief Destructor
public: virtual ~STLLoader();
/// \brief Creates a new mesh and loads the data from a file
/// \param[in] _filename the mesh file
public: virtual Mesh *Load(const std::string &_filename);
/// \brief Reads an ASCII STL (stereolithography) file.
/// \param[in] _filein the file pointer
/// \param[out] _mesh the mesh where to load the data
/// \return true if read was successful
private: bool ReadAscii(FILE *_filein, Mesh *_mesh);
/// \brief Reads a binary STL (stereolithography) file.
/// \param[in] _filein the file pointer
/// \param[out] the mesh where to load the data
/// \return true if read was successful
private: bool ReadBinary(FILE *_filein, Mesh *_mesh);
/// \brief Compares two strings for equality, disregarding case.
/// \param[in] _string1 the first string
/// \param[in] _string2 the seconf string
/// \return true if the strings are equal (same content)
private: bool Leqi(char* _string1, char* _string2);
/// \brief Finds if a vector occurs in a table. This is done using
/// floating point comparison with the default tolerance of 1e-6
/// \param[in] _a the vector data
/// \param[in] _m the number of columns in the table
/// \param[in] _n the number of rows in the table
/// \return The column index of the vector
private: int RcolFind(float _a[][COR3_MAX], int _m, int _n, float _r[]);
/// \brief Reads a long int from a binary file.
/// \param[in] _filein the file pointer
/// \return the value
private: uint32_t LongIntRead(FILE *_filein);
/// \brief Reads a short int from a binary file.
/// \param[in] _filein the file pointer
/// \param[out] _value the value read
/// \return true
private: bool ShortIntRead(FILE *_filein, uint16_t &_value);
/// \brief Read 1 double precision float from a binary file.
/// \param[in] _filein the file pointer
/// \param[out] the value
/// \return true
private: bool FloatRead(FILE *_filein, double &_value);
};
/// \}
}
}
#endif