First checkin for OpenMesh 2.0

git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@2 fdac6126-5c0c-442c-9429-916003d36597
This commit is contained in:
Jan Möbius
2009-02-06 13:37:46 +00:00
parent c3321ebdd9
commit 97f515985d
417 changed files with 76182 additions and 0 deletions

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#== SYSTEM PART -- DON'T TOUCH ==============================================
include $(ACGMAKE)/Config
#==============================================================================
SUBDIRS = $(call find-subdirs)
PACKAGES :=
PROJ_LIBS :=
MODULES := cxxlib
#== SYSTEM PART -- DON'T TOUCH ==============================================
include $(ACGMAKE)/Rules
#==============================================================================

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/*===========================================================================*\
* *
* OpenMesh *
* Copyright (C) 2003 by Computer Graphics Group, RWTH Aachen *
* www.openmesh.org *
* *
*---------------------------------------------------------------------------*
* *
* License *
* *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published *
* by the Free Software Foundation, version 2.1. *
* *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
* *
\*===========================================================================*/
//=== INCLUDES ================================================================
#include <OpenMesh/Core/System/config.h>
#include <OpenMesh/Core/IO/writer/BaseWriter.hh>
#include <algorithm>
#include <string>
#include <iterator>
#if defined(OM_CC_MIPS)
# include <ctype.h>
#else
# include <cctype>
#endif
//== NAMESPACES ===============================================================
namespace OpenMesh {
namespace IO {
//=== IMPLEMENTATION ==========================================================
#ifndef DOXY_IGNORE_THIS
static inline char tolower(char c)
{
using namespace std;
return ::tolower(c);
}
#endif
//-----------------------------------------------------------------------------
bool
BaseWriter::
can_u_write(const std::string& _filename) const
{
// get file extension
std::string extension;
std::string::size_type pos(_filename.rfind("."));
if (pos != std::string::npos)
{
extension = _filename.substr(pos+1, _filename.length()-pos-1);
std::transform( extension.begin(), extension.end(),
extension.begin(), tolower );
}
// locate extension in extension string
return (get_extensions().find(extension) != std::string::npos);
}
//=============================================================================
} // namespace IO
} // namespace OpenMesh
//=============================================================================

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/*===========================================================================*\
* *
* OpenMesh *
* Copyright (C) 2003 by Computer Graphics Group, RWTH Aachen *
* www.openmesh.org *
* *
*---------------------------------------------------------------------------*
* *
* License *
* *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published *
* by the Free Software Foundation, version 2.1. *
* *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
* *
\*===========================================================================*/
//=============================================================================
//
// Implements the baseclass for IOManager writer modules
//
//=============================================================================
#ifndef __BASEWRITER_HH__
#define __BASEWRITER_HH__
//=== INCLUDES ================================================================
// STD C++
#include <iostream>
#include <string>
// OpenMesh
#include <OpenMesh/Core/System/config.h>
#include <OpenMesh/Core/IO/Options.hh>
#include <OpenMesh/Core/IO/exporter/BaseExporter.hh>
//== NAMESPACES ===============================================================
namespace OpenMesh {
namespace IO {
//=== IMPLEMENTATION ==========================================================
/**
Base class for all writer modules. The module should register itself at
the IOManager by calling the register_module function.
*/
class BaseWriter
{
public:
typedef unsigned int Option;
/// Return short description of the supported file format.
virtual std::string get_description() const = 0;
/// Return file format's extension.
virtual std::string get_extensions() const = 0;
/// Returns true if writer can parse _filename (checks extension)
virtual bool can_u_write(const std::string& _filename) const;
/// Write to file _filename. Data source specified by BaseExporter _be.
virtual bool write(const std::string& _filename,
BaseExporter& _be,
Options _opt) const = 0;
/// Returns expected size of file if binary format is supported else 0.
virtual size_t binary_size(BaseExporter&, Options) const { return 0; }
protected:
bool check(BaseExporter& _be, Options _opt) const
{
return (_opt.check(Options::VertexNormal ) <= _be.has_vertex_normals())
&& (_opt.check(Options::VertexTexCoord)<= _be.has_vertex_texcoords())
&& (_opt.check(Options::VertexColor) <= _be.has_vertex_colors())
&& (_opt.check(Options::FaceNormal) <= _be.has_face_normals())
&& (_opt.check(Options::FaceColor) <= _be.has_face_colors());
}
};
//=============================================================================
} // namespace IO
} // namespace OpenMesh
//=============================================================================
#endif
//=============================================================================

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Core/IO/writer/OBJWriter.cc Normal file
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/*===========================================================================*\
* *
* OpenMesh *
* Copyright (C) 2003 by Computer Graphics Group, RWTH Aachen *
* www.openmesh.org *
* *
*---------------------------------------------------------------------------*
* *
* License *
* *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published *
* by the Free Software Foundation, version 2.1. *
* *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
* *
\*===========================================================================*/
//== INCLUDES =================================================================
//STL
#include <fstream>
// OpenMesh
#include <OpenMesh/Core/System/config.h>
#include <OpenMesh/Core/IO/BinaryHelper.hh>
#include <OpenMesh/Core/IO/writer/OBJWriter.hh>
#include <OpenMesh/Core/IO/IOManager.hh>
#include <OpenMesh/Core/System/omstream.hh>
#include <OpenMesh/Core/Utils/color_cast.hh>
//=== NAMESPACES ==============================================================
namespace OpenMesh {
namespace IO {
//=== INSTANCIATE =============================================================
// register the OBJLoader singleton with MeshLoader
_OBJWriter_ __OBJWriterinstance;
_OBJWriter_& OBJWriter() { return __OBJWriterinstance; }
//=== IMPLEMENTATION ==========================================================
_OBJWriter_::_OBJWriter_() { IOManager().register_module(this); }
//-----------------------------------------------------------------------------
bool
_OBJWriter_::
write(const std::string& _filename, BaseExporter& _be, Options _opt) const
{
std::fstream out(_filename.c_str(), std::ios_base::out );
if (!out)
{
omerr() << "[OBJWriter] : cannot open file "
<< _filename << std::endl;
return false;
}
{
#if defined(WIN32)
std::string::size_type dot = _filename.find_last_of("\\/");
#else
std::string::size_type dot = _filename.rfind("/");
#endif
if (dot == std::string::npos){
path_ = "./";
objName_ = _filename;
}else{
path_ = _filename.substr(0,dot+1);
objName_ = _filename.substr(dot+1);
}
//remove the file extension
dot = _filename.find_last_of(".");
if(dot != std::string::npos)
objName_ = objName_.substr(0,dot-1);
}
bool result = write(out, _be, _opt);
out.close();
return result;
}
//-----------------------------------------------------------------------------
int _OBJWriter_::getMaterial(OpenMesh::Vec3f _color) const
{
for (uint i=0; i < material_.size(); i++)
if(material_[i] == _color)
return i;
//not found add new material
material_.push_back( _color );
return material_.size()-1;
}
//-----------------------------------------------------------------------------
int _OBJWriter_::getMaterial(OpenMesh::Vec4f _color) const
{
for (uint i=0; i < materialA_.size(); i++)
if(materialA_[i] == _color)
return i;
//not found add new material
materialA_.push_back( _color );
return materialA_.size()-1;
}
//-----------------------------------------------------------------------------
bool
_OBJWriter_::
writeMaterial(std::fstream& _out, BaseExporter& _be, Options _opt) const
{
OpenMesh::Vec3f c;
OpenMesh::Vec4f cA;
material_.clear();
materialA_.clear();
//iterate over faces
for (int i=0, nF=_be.n_faces(); i<nF; ++i)
{
//color with alpha
if ( _opt.color_has_alpha() ){
cA = color_cast<OpenMesh::Vec4f> (_be.colorA( FaceHandle(i) ));
getMaterial(cA);
}else{
//and without alpha
c = color_cast<OpenMesh::Vec3f> (_be.color( FaceHandle(i) ));
getMaterial(c);
}
}
//write the materials
if ( _opt.color_has_alpha() )
for (uint i=0; i < materialA_.size(); i++){
_out << "newmtl " << "mat" << i << std::endl;
_out << "Ka 0.5000 0.5000 0.5000" << std::endl;
_out << "Kd " << materialA_[i][0] << materialA_[i][1] << materialA_[i][2] << std::endl;;
_out << "Tr " << materialA_[i][3] << std::endl;
_out << "illum 1" << std::endl;
}
else
for (uint i=0; i < material_.size(); i++){
_out << "newmtl " << "mat" << i << std::endl;
_out << "Ka 0.5000 0.5000 0.5000" << std::endl;
_out << "Kd " << material_[i][0] << material_[i][1] << material_[i][2] << std::endl;;
_out << "illum 1" << std::endl;
}
return true;
}
//-----------------------------------------------------------------------------
bool
_OBJWriter_::
write(std::fstream& _out, BaseExporter& _be, Options _opt) const
{
unsigned int i, j, nV, nF, idx;
Vec3f v, n;
Vec2f t;
VertexHandle vh;
std::vector<VertexHandle> vhandles;
bool useMatrial = false;
OpenMesh::Vec3f c;
OpenMesh::Vec4f cA;
omlog() << "[OBJWriter] : write file\n";
// check exporter features
if (!check( _be, _opt))
return false;
// check writer features
if ( _opt.check(Options::Binary) || // not supported by format
_opt.check(Options::FaceNormal) ||
_opt.check(Options::FaceColor))
return false;
//create material file if needed
if ( _opt.check(Options::FaceColor) ){
std::string matFile = path_ + objName_ + ".mat";
std::fstream matStream(matFile.c_str(), std::ios_base::out );
if (!_out)
{
omerr() << "[OBJWriter] : cannot write material file " << matFile << std::endl;
}else{
useMatrial = writeMaterial(matStream, _be, _opt);
matStream.close();
}
}
// header
_out << "# " << _be.n_vertices() << " vertices, ";
_out << _be.n_faces() << " faces" << std::endl;
// material file
if (useMatrial && _opt.check(Options::FaceColor) )
_out << "mtllib " << objName_ << ".mat" << std::endl;
// vertex data (point, normals, texcoords)
for (i=0, nV=_be.n_vertices(); i<nV; ++i)
{
vh = VertexHandle(i);
v = _be.point(vh);
n = _be.normal(vh);
t = _be.texcoord(vh);
_out << "v " << v[0] <<" "<< v[1] <<" "<< v[2] << std::endl;
if (_opt.check(Options::VertexNormal))
_out << "n " << n[0] <<" "<< n[1] <<" "<< n[2] << std::endl;
if (_opt.check(Options::VertexTexCoord))
_out << "vt " << t[0] <<" "<< t[1] << std::endl;
}
int lastMat = -1;
// faces (indices starting at 1 not 0)
for (i=0, nF=_be.n_faces(); i<nF; ++i)
{
if (useMatrial && _opt.check(Options::FaceColor) ){
int i;
//color with alpha
if ( _opt.color_has_alpha() ){
cA = color_cast<OpenMesh::Vec4f> (_be.colorA( FaceHandle(i) ));
i = getMaterial(cA);
}else{
//and without alpha
c = color_cast<OpenMesh::Vec3f> (_be.color( FaceHandle(i) ));
i = getMaterial(c);
}
if(lastMat != i)
_out << "usemtl mat" << i << std::endl;
}
_out << "f";
_be.get_vhandles(FaceHandle(i), vhandles);
for (j=0; j< vhandles.size(); ++j)
{
idx = vhandles[j].idx() + 1;
_out << " " << idx;
if (_opt.check(Options::VertexTexCoord))
_out << "/" << idx;
if ( _opt.check(Options::VertexNormal) )
_out << "/" << idx;
}
_out << std::endl;
}
material_.clear();
materialA_.clear();
return true;
}
//=============================================================================
} // namespace IO
} // namespace OpenMesh
//=============================================================================

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Core/IO/writer/OBJWriter.hh Normal file
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/*===========================================================================*\
* *
* OpenMesh *
* Copyright (C) 2003 by Computer Graphics Group, RWTH Aachen *
* www.openmesh.org *
* *
*---------------------------------------------------------------------------*
* *
* License *
* *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published *
* by the Free Software Foundation, version 2.1. *
* *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
* *
\*===========================================================================*/
//=============================================================================
//
// Implements an IOManager writer module for OBJ files
//
//=============================================================================
#ifndef __OBJWRITER_HH__
#define __OBJWRITER_HH__
//=== INCLUDES ================================================================
#include <string>
#include <fstream>
#include <OpenMesh/Core/System/config.h>
#include <OpenMesh/Core/Utils/SingletonT.hh>
#include <OpenMesh/Core/IO/exporter/BaseExporter.hh>
#include <OpenMesh/Core/IO/writer/BaseWriter.hh>
//== NAMESPACES ===============================================================
namespace OpenMesh {
namespace IO {
//=== IMPLEMENTATION ==========================================================
/**
This class defines the OBJ writer. This class is further singleton'ed
by SingletonT to OBJWriter.
*/
class _OBJWriter_ : public BaseWriter
{
public:
_OBJWriter_();
std::string get_description() const { return "Alias/Wavefront"; }
std::string get_extensions() const { return "obj"; }
bool write(const std::string&, BaseExporter&, Options) const;
size_t binary_size(BaseExporter&, Options) const { return 0; }
private:
mutable std::string path_;
mutable std::string objName_;
mutable std::vector< OpenMesh::Vec3f > material_;
mutable std::vector< OpenMesh::Vec4f > materialA_;
int getMaterial(OpenMesh::Vec3f _color) const;
int getMaterial(OpenMesh::Vec4f _color) const;
bool writeMaterial(std::fstream& _out, BaseExporter&, Options) const;
bool write(std::fstream& _out, BaseExporter&, Options) const;
};
//== TYPE DEFINITION ==========================================================
/// Declare the single entity of the OBJ writer
extern _OBJWriter_ __OBJWriterinstance;
_OBJWriter_& OBJWriter();
//=============================================================================
} // namespace IO
} // namespace OpenMesh
//=============================================================================
#endif
//=============================================================================

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Core/IO/writer/OFFWriter.cc Normal file
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/*===========================================================================*\
* *
* OpenMesh *
* Copyright (C) 2003 by Computer Graphics Group, RWTH Aachen *
* www.openmesh.org *
* *
*---------------------------------------------------------------------------*
* *
* License *
* *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published *
* by the Free Software Foundation, version 2.1. *
* *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
* *
\*===========================================================================*/
//== INCLUDES =================================================================
#include <OpenMesh/Core/System/config.h>
#include <OpenMesh/Core/System/omstream.hh>
#include <OpenMesh/Core/Utils/Endian.hh>
#include <OpenMesh/Core/IO/IOManager.hh>
#include <OpenMesh/Core/IO/BinaryHelper.hh>
#include <OpenMesh/Core/IO/writer/OFFWriter.hh>
#include <OpenMesh/Core/IO/SR_store.hh>
//=== NAMESPACES ==============================================================
namespace OpenMesh {
namespace IO {
//=== INSTANCIATE =============================================================
// register the OFFLoader singleton with MeshLoader
_OFFWriter_ __OFFWriterInstance;
_OFFWriter_& OFFWriter() { return __OFFWriterInstance; }
//=== IMPLEMENTATION ==========================================================
_OFFWriter_::_OFFWriter_() { IOManager().register_module(this); }
//-----------------------------------------------------------------------------
bool
_OFFWriter_::
write(const std::string& _filename, BaseExporter& _be, Options _opt) const
{
// check exporter features
if ( !check( _be, _opt ) )
return false;
// check writer features
if ( _opt.check(Options::FaceNormal) ) // not supported by format
return false;
// open file
std::fstream out(_filename.c_str(), (_opt.check(Options::Binary) ? std::ios_base::binary | std::ios_base::out
: std::ios_base::out) );
if (!out)
{
omerr() << "[OFFWriter] : cannot open file "
<< _filename
<< std::endl;
return false;
}
// write header line
if (_opt.check(Options::VertexTexCoord)) out << "ST";
if (_opt.check(Options::VertexColor) || _opt.check(Options::FaceColor)) out << "C";
if (_opt.check(Options::VertexNormal)) out << "N";
out << "OFF";
if (_opt.check(Options::Binary)) out << " BINARY";
out << "\n";
// write to file
bool result = (_opt.check(Options::Binary) ?
write_binary(out, _be, _opt) :
write_ascii(out, _be, _opt));
// return result
out.close();
return result;
}
//-----------------------------------------------------------------------------
bool
_OFFWriter_::
write_ascii(std::fstream& _out, BaseExporter& _be, Options _opt) const
{
omlog() << "[OFFWriter] : write ascii file\n";
unsigned int i, j, nV, nF;
Vec3f v, n;
Vec2f t;
OpenMesh::Vec3i c;
OpenMesh::Vec4i cA;
VertexHandle vh;
std::vector<VertexHandle> vhandles;
// #vertices, #faces
_out << _be.n_vertices() << " ";
_out << _be.n_faces() << " ";
_out << 0 << "\n";
// vertex data (point, normals, colors, texcoords)
for (i=0, nV=_be.n_vertices(); i<nV; ++i)
{
vh = VertexHandle(i);
v = _be.point(vh);
//Vertex
_out << v[0] << " " << v[1] << " " << v[2];
// VertexNormal
if ( _opt.vertex_has_normal() ) {
n = _be.normal(vh);
_out << " " << n[0] << " " << n[1] << " " << n[2];
}
// VertexColor
if ( _opt.vertex_has_color() ) {
//with alpha
if ( _opt.color_has_alpha() ){
cA = _be.colorA(vh);
_out << " " << cA[0] << " " << cA[1] << " " << cA[2] << " " << cA[3];
}else{
//without alpha
c = _be.color(vh);
_out << " " << c[0] << " " << c[1] << " " << c[2];
}
}
// TexCoord
if (_opt.vertex_has_texcoord() ) {
t = _be.texcoord(vh);
_out << " " << t[0] << " " << t[1];
}
_out << "\n";
}
// faces (indices starting at 0)
if (_be.is_triangle_mesh())
{
for (i=0, nF=_be.n_faces(); i<nF; ++i)
{
_be.get_vhandles(FaceHandle(i), vhandles);
_out << 3 << " ";
_out << vhandles[0].idx() << " ";
_out << vhandles[1].idx() << " ";
_out << vhandles[2].idx();
//face color
if ( _opt.face_has_color() ){
//with alpha
if ( _opt.color_has_alpha() ){
cA = _be.colorA( FaceHandle(i) );
_out << " " << cA[0] << " " << cA[1] << " " << cA[2] << " " << cA[3];
}else{
//without alpha
c = _be.color( FaceHandle(i) );
_out << " " << c[0] << " " << c[1] << " " << c[2];
}
}
_out << "\n";
}
}
else
{
for (i=0, nF=_be.n_faces(); i<nF; ++i)
{
nV = _be.get_vhandles(FaceHandle(i), vhandles);
_out << nV << " ";
for (j=0; j<vhandles.size(); ++j)
_out << vhandles[j].idx() << " ";
//face color
if ( _opt.face_has_color() ){
//with alpha
if ( _opt.color_has_alpha() ){
cA = _be.colorA( FaceHandle(i) );
_out << cA[0] << " " << cA[1] << " " << cA[2] << " " << cA[3];
}else{
//without alpha
c = _be.color( FaceHandle(i) );
_out << c[0] << " " << c[1] << " " << c[2];
}
}
_out << "\n";
}
}
return true;
}
//-----------------------------------------------------------------------------
void _OFFWriter_::writeValue(std::fstream& _out, int value) const {
uint32_t tmp = value;
store(_out, tmp, false);
}
void _OFFWriter_::writeValue(std::fstream& _out, unsigned int value) const {
uint32_t tmp = value;
store(_out, tmp, false);
}
void _OFFWriter_::writeValue(std::fstream& _out, float value) const {
float32_t tmp = value;
store(_out, tmp, false);
}
bool
_OFFWriter_::
write_binary(std::fstream& _out, BaseExporter& _be, Options _opt) const
{
omlog() << "[OFFWriter] : write ascii file\n";
unsigned int i, j, nV, nF;
Vec3f v, n;
Vec2f t;
OpenMesh::Vec4i c;
VertexHandle vh;
std::vector<VertexHandle> vhandles;
// #vertices, #faces
writeValue(_out, (uint)_be.n_vertices() );
writeValue(_out, (uint) _be.n_faces() );
writeValue(_out, 0 );
// vertex data (point, normals, texcoords)
for (i=0, nV=_be.n_vertices(); i<nV; ++i)
{
vh = VertexHandle(i);
v = _be.point(vh);
//vertex
writeValue(_out, v[0]);
writeValue(_out, v[1]);
writeValue(_out, v[2]);
// vertex normal
if ( _opt.vertex_has_normal() ) {
n = _be.normal(vh);
writeValue(_out, n[0]);
writeValue(_out, n[1]);
writeValue(_out, n[2]);
}
// vertex color
if ( _opt.vertex_has_color() ) {
c = _be.colorA(vh);
writeValue(_out, c[0]);
writeValue(_out, c[1]);
writeValue(_out, c[2]);
if ( _opt.color_has_alpha() )
writeValue(_out, c[3]);
}
// texCoords
if (_opt.vertex_has_texcoord() ) {
t = _be.texcoord(vh);
writeValue(_out, t[0]);
writeValue(_out, t[1]);
}
}
// faces (indices starting at 0)
if (_be.is_triangle_mesh())
{
for (i=0, nF=_be.n_faces(); i<nF; ++i)
{
//face
_be.get_vhandles(FaceHandle(i), vhandles);
writeValue(_out, 3);
writeValue(_out, vhandles[0].idx());
writeValue(_out, vhandles[1].idx());
writeValue(_out, vhandles[2].idx());
//face color
if ( _opt.face_has_color() ){
c = _be.colorA( FaceHandle(i) );
writeValue(_out, c[0]);
writeValue(_out, c[1]);
writeValue(_out, c[2]);
if ( _opt.color_has_alpha() )
writeValue(_out, c[3]);
}
}
}
else
{
for (i=0, nF=_be.n_faces(); i<nF; ++i)
{
//face
nV = _be.get_vhandles(FaceHandle(i), vhandles);
writeValue(_out, nV);
for (j=0; j<vhandles.size(); ++j)
writeValue(_out, vhandles[j].idx() );
//face color
if ( _opt.face_has_color() ){
c = _be.colorA( FaceHandle(i) );
writeValue(_out, c[0]);
writeValue(_out, c[1]);
writeValue(_out, c[2]);
if ( _opt.color_has_alpha() )
writeValue(_out, c[3]);
}
}
}
return true;
}
// ----------------------------------------------------------------------------
size_t
_OFFWriter_::
binary_size(BaseExporter& _be, Options _opt) const
{
size_t header(0);
size_t data(0);
size_t _3longs(3*sizeof(long));
size_t _3floats(3*sizeof(float));
size_t _3ui(3*sizeof(unsigned int));
size_t _4ui(4*sizeof(unsigned int));
if ( !_opt.is_binary() )
return 0;
else
{
header += 11; // 'OFF BINARY\n'
header += _3longs; // #V #F #E
data += _be.n_vertices() * _3floats; // vertex data
}
if ( _opt.vertex_has_normal() && _be.has_vertex_normals() )
{
header += 1; // N
data += _be.n_vertices() * _3floats;
}
if ( _opt.vertex_has_color() && _be.has_vertex_colors() )
{
header += 1; // C
data += _be.n_vertices() * _3floats;
}
if ( _opt.vertex_has_texcoord() && _be.has_vertex_texcoords() )
{
size_t _2floats(2*sizeof(float));
header += 2; // ST
data += _be.n_vertices() * _2floats;
}
// topology
if (_be.is_triangle_mesh())
{
data += _be.n_faces() * _4ui;
}
else
{
unsigned int i, nV, nF;
std::vector<VertexHandle> vhandles;
for (i=0, nF=_be.n_faces(); i<nF; ++i)
{
nV = _be.get_vhandles(FaceHandle(i), vhandles);
data += nV * sizeof(unsigned int);
}
}
// face colors
if ( _opt.face_has_color() && _be.has_face_colors() ){
if ( _opt.color_has_alpha() )
data += _be.n_faces() * _4ui;
else
data += _be.n_faces() * _3ui;
}
return header+data;
}
//=============================================================================
} // namespace IO
} // namespace OpenMesh
//=============================================================================

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/*===========================================================================*\
* *
* OpenMesh *
* Copyright (C) 2003 by Computer Graphics Group, RWTH Aachen *
* www.openmesh.org *
* *
*---------------------------------------------------------------------------*
* *
* License *
* *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published *
* by the Free Software Foundation, version 2.1. *
* *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
* *
\*===========================================================================*/
//=============================================================================
//
// Implements a writer module for OFF files
//
//=============================================================================
#ifndef __OFFWRITER_HH__
#define __OFFWRITER_HH__
//=== INCLUDES ================================================================
#include <stdio.h>
#include <string>
#include <fstream>
#include <OpenMesh/Core/System/config.h>
#include <OpenMesh/Core/Utils/SingletonT.hh>
#include <OpenMesh/Core/IO/exporter/BaseExporter.hh>
#include <OpenMesh/Core/IO/writer/BaseWriter.hh>
//== NAMESPACES ===============================================================
namespace OpenMesh {
namespace IO {
//=== IMPLEMENTATION ==========================================================
/**
Implementation of the OFF format writer. This class is singleton'ed by
SingletonT to OFFWriter.
By passing Options to the write function you can manipulate the writing behavoir.
The following options can be set:
Binary
VertexNormal
VertexColor
VertexTexCoord
FaceColor
ColorAlpha
*/
class _OFFWriter_ : public BaseWriter
{
public:
_OFFWriter_();
std::string get_description() const { return "no description"; }
std::string get_extensions() const { return "off"; }
bool write(const std::string&, BaseExporter&, Options) const;
size_t binary_size(BaseExporter& _be, Options _opt) const;
protected:
void writeValue(std::fstream& _out, int value) const;
void writeValue(std::fstream& _out, unsigned int value) const;
void writeValue(std::fstream& _out, float value) const;
bool write_ascii(std::fstream& _in, BaseExporter&, Options) const;
bool write_binary(std::fstream& _in, BaseExporter&, Options) const;
};
//== TYPE DEFINITION ==========================================================
/// Declare the single entity of the OFF writer.
extern _OFFWriter_ __OFFWriterInstance;
_OFFWriter_& OFFWriter();
//=============================================================================
} // namespace IO
} // namespace OpenMesh
//=============================================================================
#endif
//=============================================================================

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/*===========================================================================*\
* *
* OpenMesh *
* Copyright (C) 2003 by Computer Graphics Group, RWTH Aachen *
* www.openmesh.org *
* *
*---------------------------------------------------------------------------*
* *
* License *
* *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published *
* by the Free Software Foundation, version 2.1. *
* *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
* *
\*===========================================================================*/
//== INCLUDES =================================================================
#include <OpenMesh/Core/System/config.h>
// -------------------- STL
#if defined( OM_CC_MIPS )
# include <time.h>
# include <string.h>
#else
# include <ctime>
# include <cstring>
#endif
#include <fstream>
// -------------------- OpenMesh
#include <OpenMesh/Core/IO/OMFormat.hh>
#include <OpenMesh/Core/System/omstream.hh>
#include <OpenMesh/Core/Utils/Endian.hh>
#include <OpenMesh/Core/IO/exporter/BaseExporter.hh>
#include <OpenMesh/Core/IO/writer/OMWriter.hh>
//=== NAMESPACES ==============================================================
namespace OpenMesh {
namespace IO {
//=== INSTANCIATE =============================================================
// register the OMLoader singleton with MeshLoader
_OMWriter_ __OMWriterInstance;
_OMWriter_& OMWriter() { return __OMWriterInstance; }
//=== IMPLEMENTATION ==========================================================
const OMFormat::uchar _OMWriter_::magic_[3] = "OM";
const OMFormat::uint8 _OMWriter_::version_ = OMFormat::mk_version(1,2);
_OMWriter_::
_OMWriter_()
{
IOManager().register_module(this);
}
bool
_OMWriter_::write(const std::string& _filename, BaseExporter& _be,
Options _opt) const
{
// check whether exporter can give us an OpenMesh BaseKernel
if (!_be.kernel()) return false;
// check for om extension in filename, we can only handle OM
if (_filename.rfind(".om") == std::string::npos)
return false;
_opt += Options::Binary; // only binary format supported
std::ofstream ofs(_filename.c_str(), std::ios::binary);
// check if file is open
if (!ofs.is_open())
{
omerr() << "[OMWriter] : cannot open file " << _filename << std::endl;
return false;
}
// call stream save method
bool rc = write(ofs, _be, _opt);
// close filestream
ofs.close();
// return success/failure notice
return rc;
}
//-----------------------------------------------------------------------------
bool
_OMWriter_::write(std::ostream& _os, BaseExporter& _be, Options _opt) const
{
// std::clog << "[OMWriter]::write( stream )\n";
// check exporter features
if ( !check( _be, _opt ) )
{
omerr() << "[OMWriter]: exporter does not support wanted feature!\n";
return false;
}
// Maybe an ascii version will be implemented in the future.
// For now, support only a binary format
if ( !_opt.check( Options::Binary ) )
_opt += Options::Binary;
// Ignore LSB/MSB bit. Always store in LSB (little endian)
_opt += Options::LSB;
_opt -= Options::MSB;
// if ( _opt.check(Options::Binary) )
// {
return write_binary(_os, _be, _opt);
// }
// else
// {
// return write_ascii(_os, _be, _opt);
// }
}
//-----------------------------------------------------------------------------
// bool _OMWriter_::write_ascii(std::ostream& _os, BaseExporter& _be,
// Options _opt) const
// {
// return false;
// }
//-----------------------------------------------------------------------------
#ifndef DOXY_IGNORE_THIS
template <typename T> struct Enabler
{
Enabler( T& obj ) : obj_(obj)
{}
~Enabler() { obj_.enable(); }
T& obj_;
};
#endif
bool _OMWriter_::write_binary(std::ostream& _os, BaseExporter& _be,
Options _opt) const
{
Enabler<mostream> enabler(omlog());
omlog() << "[OMWriter] : write binary file\n";
size_t bytes = 0;
bool swap = _opt.check(Options::Swap) || (Endian::local() == Endian::MSB);
unsigned int i, nV, nF;
Vec3f v;
Vec2f t;
std::vector<VertexHandle> vhandles;
// -------------------- write header
OMFormat::Header header;
header.magic_[0] = 'O';
header.magic_[1] = 'M';
header.mesh_ = _be.is_triangle_mesh() ? 'T' : 'P';
header.version_ = version_;
header.n_vertices_ = _be.n_vertices();
header.n_faces_ = _be.n_faces();
header.n_edges_ = _be.n_edges();
bytes += store( _os, header, swap );
// ---------------------------------------- write chunks
OMFormat::Chunk::Header chunk_header;
// -------------------- write vertex data
// ---------- write vertex position
if (_be.n_vertices())
{
v = _be.point(VertexHandle(0));
chunk_header.reserved_ = 0;
chunk_header.name_ = false;
chunk_header.entity_ = OMFormat::Chunk::Entity_Vertex;
chunk_header.type_ = OMFormat::Chunk::Type_Pos;
chunk_header.signed_ = OMFormat::is_signed(v[0]);
chunk_header.float_ = OMFormat::is_float(v[0]);
chunk_header.dim_ = OMFormat::dim(v);
chunk_header.bits_ = OMFormat::bits(v[0]);
bytes += store( _os, chunk_header, swap );
for (i=0, nV=_be.n_vertices(); i<nV; ++i)
bytes += vector_store( _os, _be.point(VertexHandle(i)), swap );
}
// ---------- write vertex normal
if (_be.n_vertices() && _opt.check( Options::VertexNormal ))
{
Vec3f n = _be.normal(VertexHandle(0));
chunk_header.name_ = false;
chunk_header.entity_ = OMFormat::Chunk::Entity_Vertex;
chunk_header.type_ = OMFormat::Chunk::Type_Normal;
chunk_header.signed_ = OMFormat::is_signed(n[0]);
chunk_header.float_ = OMFormat::is_float(n[0]);
chunk_header.dim_ = OMFormat::dim(n);
chunk_header.bits_ = OMFormat::bits(n[0]);
bytes += store( _os, chunk_header, swap );
for (i=0, nV=_be.n_vertices(); i<nV; ++i)
bytes += vector_store( _os, _be.normal(VertexHandle(i)), swap );
}
// ---------- write vertex color
#if 1
if (_opt.check( Options::VertexColor ) && _be.has_vertex_colors() )
{
Vec3uc c = _be.color(VertexHandle(0));
chunk_header.name_ = false;
chunk_header.entity_ = OMFormat::Chunk::Entity_Vertex;
chunk_header.type_ = OMFormat::Chunk::Type_Color;
chunk_header.signed_ = OMFormat::is_signed( c );
chunk_header.float_ = OMFormat::is_float( c );
chunk_header.dim_ = OMFormat::dim( c );
chunk_header.bits_ = OMFormat::bits( c );
bytes += store( _os, chunk_header, swap );
for (i=0, nV=_be.n_vertices(); i<nV; ++i)
bytes += vector_store( _os, _be.color(VertexHandle(i)), swap );
}
#endif
// ---------- write vertex texture coords
if (_be.n_vertices() && _opt.check(Options::VertexTexCoord))
{
t = _be.texcoord(VertexHandle(0));
chunk_header.name_ = false;
chunk_header.entity_ = OMFormat::Chunk::Entity_Vertex;
chunk_header.type_ = OMFormat::Chunk::Type_Texcoord;
chunk_header.signed_ = OMFormat::is_signed(t[0]);
chunk_header.float_ = OMFormat::is_float(t[0]);
chunk_header.dim_ = OMFormat::dim(t);
chunk_header.bits_ = OMFormat::bits(t[0]);
// std::clog << chunk_header << std::endl;
bytes += store( _os, chunk_header, swap );
for (i=0, nV=_be.n_vertices(); i<nV; ++i)
bytes += vector_store( _os, _be.texcoord(VertexHandle(i)), swap );
}
// -------------------- write face data
// ---------- write topology
{
chunk_header.name_ = false;
chunk_header.entity_ = OMFormat::Chunk::Entity_Face;
chunk_header.type_ = OMFormat::Chunk::Type_Topology;
chunk_header.signed_ = 0;
chunk_header.float_ = 0;
chunk_header.dim_ = OMFormat::Chunk::Dim_1D; // ignored
chunk_header.bits_ = OMFormat::needed_bits(_be.n_vertices());
bytes += store( _os, chunk_header, swap );
for (i=0, nF=_be.n_faces(); i<nF; ++i)
{
nV = _be.get_vhandles(FaceHandle(i), vhandles);
if ( header.mesh_ == 'P' )
bytes += store( _os, vhandles.size(),
OMFormat::Chunk::Integer_16, swap );
for (size_t j=0; j < vhandles.size(); ++j)
{
using namespace OMFormat;
using namespace GenProg;
bytes += store( _os, vhandles[j].idx(),
Chunk::Integer_Size(chunk_header.bits_), swap );
}
}
}
// ---------- write face normals
if ( _be.has_face_normals() && _opt.check(Options::FaceNormal) )
{
#define NEW_STYLE 0
#if NEW_STYLE
const BaseProperty *bp = _be.kernel()._get_fprop("f:normals");
if (bp)
{
#endif
Vec3f n = _be.normal(FaceHandle(0));
chunk_header.name_ = false;
chunk_header.entity_ = OMFormat::Chunk::Entity_Face;
chunk_header.type_ = OMFormat::Chunk::Type_Normal;
chunk_header.signed_ = OMFormat::is_signed(n[0]);
chunk_header.float_ = OMFormat::is_float(n[0]);
chunk_header.dim_ = OMFormat::dim(n);
chunk_header.bits_ = OMFormat::bits(n[0]);
bytes += store( _os, chunk_header, swap );
#if !NEW_STYLE
for (i=0, nF=_be.n_faces(); i<nF; ++i)
bytes += vector_store( _os, _be.normal(FaceHandle(i)), swap );
#else
bytes += bp->store(_os, swap );
}
else
return false;
#endif
#undef NEW_STYLE
}
// ---------- write face color
if (_be.has_face_colors() && _opt.check( Options::FaceColor ))
{
#define NEW_STYLE 0
#if NEW_STYLE
const BaseProperty *bp = _be.kernel()._get_fprop("f:colors");
if (bp)
{
#endif
Vec3uc c;
chunk_header.name_ = false;
chunk_header.entity_ = OMFormat::Chunk::Entity_Face;
chunk_header.type_ = OMFormat::Chunk::Type_Color;
chunk_header.signed_ = OMFormat::is_signed( c[0] );
chunk_header.float_ = OMFormat::is_float( c[0] );
chunk_header.dim_ = OMFormat::dim( c );
chunk_header.bits_ = OMFormat::bits( c[0] );
bytes += store( _os, chunk_header, swap );
#if !NEW_STYLE
for (i=0, nF=_be.n_faces(); i<nF; ++i)
bytes += vector_store( _os, _be.color(FaceHandle(i)), swap );
#else
bytes += bp->store(_os, swap);
}
else
return false;
#endif
}
// -------------------- write custom properties
BaseKernel::const_prop_iterator prop;
for (prop = _be.kernel()->vprops_begin();
prop != _be.kernel()->vprops_end(); ++prop)
{
if ( !*prop ) continue;
if ( (*prop)->name()[1]==':') continue;
bytes += store_binary_custom_chunk(_os, **prop,
OMFormat::Chunk::Entity_Vertex, swap );
}
for (prop = _be.kernel()->fprops_begin();
prop != _be.kernel()->fprops_end(); ++prop)
{
if ( !*prop ) continue;
if ( (*prop)->name()[1]==':') continue;
bytes += store_binary_custom_chunk(_os, **prop,
OMFormat::Chunk::Entity_Face, swap );
}
for (prop = _be.kernel()->eprops_begin();
prop != _be.kernel()->eprops_end(); ++prop)
{
if ( !*prop ) continue;
if ( (*prop)->name()[1]==':') continue;
bytes += store_binary_custom_chunk(_os, **prop,
OMFormat::Chunk::Entity_Edge, swap );
}
for (prop = _be.kernel()->hprops_begin();
prop != _be.kernel()->hprops_end(); ++prop)
{
if ( !*prop ) continue;
if ( (*prop)->name()[1]==':') continue;
bytes += store_binary_custom_chunk(_os, **prop,
OMFormat::Chunk::Entity_Halfedge, swap );
}
for (prop = _be.kernel()->mprops_begin();
prop != _be.kernel()->mprops_end(); ++prop)
{
if ( !*prop ) continue;
if ( (*prop)->name()[1]==':') continue;
bytes += store_binary_custom_chunk(_os, **prop,
OMFormat::Chunk::Entity_Mesh, swap );
}
// std::clog << "#bytes written: " << bytes << std::endl;
return true;
}
// ----------------------------------------------------------------------------
size_t _OMWriter_::store_binary_custom_chunk(std::ostream& _os,
const BaseProperty& _bp,
OMFormat::Chunk::Entity _entity,
bool _swap) const
{
omlog() << "Custom Property " << OMFormat::as_string(_entity) << " property ["
<< _bp.name() << "]" << std::endl;
// Don't store if
// 1. it is not persistent
// 2. it's name is empty
if ( !_bp.persistent() || _bp.name().empty() )
{
omlog() << " skipped\n";
return 0;
}
size_t bytes = 0;
OMFormat::Chunk::esize_t element_size = _bp.element_size();
OMFormat::Chunk::Header chdr;
// set header
chdr.name_ = true;
chdr.entity_ = _entity;
chdr.type_ = OMFormat::Chunk::Type_Custom;
chdr.signed_ = 0;
chdr.float_ = 0;
chdr.dim_ = OMFormat::Chunk::Dim_1D; // ignored
chdr.bits_ = element_size;
// write custom chunk
// 1. chunk header
bytes += store( _os, chdr, _swap );
// 2. property name
bytes += store( _os, OMFormat::Chunk::PropertyName(_bp.name()), _swap );
// 3. block size
bytes += store( _os, _bp.size_of(), _swap );
omlog() << " n_bytes = " << _bp.size_of() << std::endl;
// 4. data
{
size_t b;
bytes += ( b=_bp.store( _os, _swap ) );
omlog() << " b = " << b << std::endl;
assert( b == _bp.size_of() );
}
return bytes;
}
// ----------------------------------------------------------------------------
size_t _OMWriter_::binary_size(BaseExporter& /* _be */, Options /* _opt */) const
{
// std::clog << "[OMWriter]: binary_size()" << std::endl;
size_t bytes = sizeof( OMFormat::Header );
// !!!TODO!!!
return bytes;
}
//=============================================================================
} // namespace IO
} // namespace OpenMesh
//=============================================================================

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/*===========================================================================*\
* *
* OpenMesh *
* Copyright (C) 2003 by Computer Graphics Group, RWTH Aachen *
* www.openmesh.org *
* *
*---------------------------------------------------------------------------*
* *
* License *
* *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published *
* by the Free Software Foundation, version 2.1. *
* *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
* *
\*===========================================================================*/
//=============================================================================
//
// Implements a writer module for OM files
//
//=============================================================================
#ifndef __OMWRITER_HH__
#define __OMWRITER_HH__
//=== INCLUDES ================================================================
// STD C++
#include <iostream>
#include <string>
// OpenMesh
#include <OpenMesh/Core/IO/BinaryHelper.hh>
#include <OpenMesh/Core/System/config.h>
#include <OpenMesh/Core/Utils/SingletonT.hh>
#include <OpenMesh/Core/IO/OMFormat.hh>
#include <OpenMesh/Core/IO/IOManager.hh>
#include <OpenMesh/Core/IO/writer/BaseWriter.hh>
//== NAMESPACES ===============================================================
namespace OpenMesh {
namespace IO {
//=== FORWARDS ================================================================
class BaseExporter;
//=== IMPLEMENTATION ==========================================================
/**
* Implementation of the OM format writer. This class is singleton'ed by
* SingletonT to OMWriter.
*/
class _OMWriter_ : public BaseWriter
{
public:
// constructor
_OMWriter_();
std::string get_description() const
{ return "OpenMesh Format"; }
std::string get_extensions() const
{ return "om"; }
bool write(std::ostream&, BaseExporter&, Options) const;
size_t binary_size(BaseExporter& _be, Options _opt) const;
protected:
static const OMFormat::uchar magic_[3];
static const OMFormat::uint8 version_;
bool write(const std::string&, BaseExporter&, Options) const;
bool write_binary(std::ostream&, BaseExporter&, Options) const;
size_t store_binary_custom_chunk( std::ostream&, const BaseProperty&,
OMFormat::Chunk::Entity, bool) const;
};
//== TYPE DEFINITION ==========================================================
/// Declare the single entity of the OM writer.
extern _OMWriter_ __OMWriterInstance;
_OMWriter_& OMWriter();
//=============================================================================
} // namespace IO
} // namespace OpenMesh
//=============================================================================
#endif
//=============================================================================

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/*===========================================================================*\
* *
* OpenMesh *
* Copyright (C) 2003 by Computer Graphics Group, RWTH Aachen *
* www.openmesh.org *
* *
*---------------------------------------------------------------------------*
* *
* License *
* *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published *
* by the Free Software Foundation, version 2.1. *
* *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
* *
\*===========================================================================*/
//== INCLUDES =================================================================
#include <OpenMesh/Core/System/config.h>
#include <OpenMesh/Core/System/omstream.hh>
#include <OpenMesh/Core/Utils/Endian.hh>
#include <OpenMesh/Core/IO/IOManager.hh>
#include <OpenMesh/Core/IO/BinaryHelper.hh>
#include <OpenMesh/Core/IO/writer/PLYWriter.hh>
#include <OpenMesh/Core/IO/SR_store.hh>
//=== NAMESPACES ==============================================================
namespace OpenMesh {
namespace IO {
//=== INSTANCIATE =============================================================
// register the PLYLoader singleton with MeshLoader
_PLYWriter_ __PLYWriterInstance;
_PLYWriter_& PLYWriter() { return __PLYWriterInstance; }
//=== IMPLEMENTATION ==========================================================
_PLYWriter_::_PLYWriter_() { IOManager().register_module(this); }
//-----------------------------------------------------------------------------
bool
_PLYWriter_::
write(const std::string& _filename, BaseExporter& _be, Options _opt) const
{
// check exporter features
if ( !check( _be, _opt ) )
return false;
// check writer features
if ( _opt.check(Options::FaceNormal) || _opt.check(Options::FaceColor) ) // not supported yet
return false;
options_ = _opt;
// open file
std::fstream out(_filename.c_str(), (_opt.check(Options::Binary) ? std::ios_base::binary | std::ios_base::out
: std::ios_base::out) );
if (!out)
{
omerr() << "[PLYWriter] : cannot open file "
<< _filename
<< std::endl;
return false;
}
// write to file
bool result = (_opt.check(Options::Binary) ?
write_binary(out, _be, _opt) :
write_ascii(out, _be, _opt));
// return result
out.close();
return result;
}
//-----------------------------------------------------------------------------
bool
_PLYWriter_::
write_ascii(std::fstream& _out, BaseExporter& _be, Options _opt) const
{
omlog() << "[PLYWriter] : write ascii file\n";
unsigned int i, j, nV, nF;
Vec3f v, n;
Vec2f t;
OpenMesh::Vec3f c;
OpenMesh::Vec4f cA;
VertexHandle vh;
std::vector<VertexHandle> vhandles;
//writing header
_out << "ply" << std::endl;
_out << "format ascii 1.0" << std::endl;
_out << "element vertex " << _be.n_vertices() << std::endl;
_out << "property float32 x" << std::endl;
_out << "property float32 y" << std::endl;
_out << "property float32 z" << std::endl;
if ( _opt.vertex_has_color() ){
_out << "property int32 red" << std::endl;
_out << "property int32 green" << std::endl;
_out << "property int32 blue" << std::endl;
if ( _opt.color_has_alpha() )
_out << "property int32 alpha" << std::endl;
}
_out << "element face " << _be.n_faces() << std::endl;
_out << "property list uint8 int32 vertex_indices" << std::endl;
_out << "end_header" << std::endl;
// vertex data (point, normals, colors, texcoords)
for (i=0, nV=_be.n_vertices(); i<nV; ++i)
{
vh = VertexHandle(i);
v = _be.point(vh);
//Vertex
_out << v[0] << " " << v[1] << " " << v[2];
// VertexColor
if ( _opt.vertex_has_color() ) {
//with alpha
if ( _opt.color_has_alpha() ){
cA = _be.colorA(vh);
_out << " " << cA[0] << " " << cA[1] << " " << cA[2] << " " << cA[3];
}else{
//without alpha
c = _be.color(vh);
_out << " " << c[0] << " " << c[1] << " " << c[2];
}
}
_out << "\n";
}
// faces (indices starting at 0)
if (_be.is_triangle_mesh())
{
for (i=0, nF=_be.n_faces(); i<nF; ++i)
{
_be.get_vhandles(FaceHandle(i), vhandles);
_out << 3 << " ";
_out << vhandles[0].idx() << " ";
_out << vhandles[1].idx() << " ";
_out << vhandles[2].idx();
// //face color
// if ( _opt.face_has_color() ){
// //with alpha
// if ( _opt.color_has_alpha() ){
// cA = _be.colorA( FaceHandle(i) );
// _out << " " << cA[0] << " " << cA[1] << " " << cA[2] << " " << cA[3];
// }else{
// //without alpha
// c = _be.color( FaceHandle(i) );
// _out << " " << c[0] << " " << c[1] << " " << c[2];
// }
// }
_out << "\n";
}
}
else
{
for (i=0, nF=_be.n_faces(); i<nF; ++i)
{
nV = _be.get_vhandles(FaceHandle(i), vhandles);
_out << nV << " ";
for (j=0; j<vhandles.size(); ++j)
_out << vhandles[j].idx() << " ";
// //face color
// if ( _opt.face_has_color() ){
// //with alpha
// if ( _opt.color_has_alpha() ){
// cA = _be.colorA( FaceHandle(i) );
// _out << cA[0] << " " << cA[1] << " " << cA[2] << " " << cA[3];
// }else{
// //without alpha
// c = _be.color( FaceHandle(i) );
// _out << c[0] << " " << c[1] << " " << c[2];
// }
// }
_out << "\n";
}
}
return true;
}
//-----------------------------------------------------------------------------
void _PLYWriter_::writeValue(ValueType _type, std::fstream& _out, int value) const {
uint32_t tmp32;
uint8_t tmp8;
switch (_type) {
case ValueTypeINT:
case ValueTypeINT32:
tmp32 = value;
store(_out, tmp32, options_.check(Options::MSB) );
break;
// case ValueTypeUINT8:
default :
tmp8 = value;
store(_out, tmp8, options_.check(Options::MSB) );
break;
// default :
// std::cerr << "unsupported conversion type to int: " << _type << std::endl;
// break;
}
}
void _PLYWriter_::writeValue(ValueType _type, std::fstream& _out, unsigned int value) const {
uint32_t tmp32;
uint8_t tmp8;
switch (_type) {
case ValueTypeINT:
case ValueTypeINT32:
tmp32 = value;
store(_out, tmp32, options_.check(Options::MSB) );
break;
// case ValueTypeUINT8:
default :
tmp8 = value;
store(_out, tmp8, options_.check(Options::MSB) );
break;
// default :
// std::cerr << "unsupported conversion type to int: " << _type << std::endl;
// break;
}
}
void _PLYWriter_::writeValue(ValueType _type, std::fstream& _out, float value) const {
float32_t tmp;
switch (_type) {
case ValueTypeFLOAT32:
case ValueTypeFLOAT:
tmp = value;
store( _out , tmp, options_.check(Options::MSB) );
break;
default :
std::cerr << "unsupported conversion type to float: " << _type << std::endl;
break;
}
}
bool
_PLYWriter_::
write_binary(std::fstream& _out, BaseExporter& _be, Options _opt) const
{
omlog() << "[PLYWriter] : write binary file\n";
unsigned int i, j, nV, nF;
Vec3f v, n;
Vec2f t;
OpenMesh::Vec4f c;
VertexHandle vh;
std::vector<VertexHandle> vhandles;
//writing header
_out << "ply" << std::endl;
_out << "format ";
if ( options_.check(Options::MSB) )
_out << "binary_big_endian ";
else
_out << "binary_little_endian ";
_out << "1.0" << std::endl;
_out << "element vertex " << _be.n_vertices() << std::endl;
_out << "property float32 x" << std::endl;
_out << "property float32 y" << std::endl;
_out << "property float32 z" << std::endl;
if ( _opt.vertex_has_color() ){
_out << "property int32 red" << std::endl;
_out << "property int32 green" << std::endl;
_out << "property int32 blue" << std::endl;
if ( _opt.color_has_alpha() )
_out << "property int32 alpha" << std::endl;
}
_out << "element face " << _be.n_faces() << std::endl;
_out << "property list uchar int32 vertex_indices" << std::endl;
_out << "end_header" << std::endl;
// vertex data (point, normals, texcoords)
for (i=0, nV=_be.n_vertices(); i<nV; ++i)
{
vh = VertexHandle(i);
v = _be.point(vh);
//vertex
writeValue(ValueTypeFLOAT, _out, v[0]);
writeValue(ValueTypeFLOAT, _out, v[1]);
writeValue(ValueTypeFLOAT, _out, v[2]);
// vertex color
if ( _opt.vertex_has_color() ) {
c = _be.colorA(vh);
writeValue(ValueTypeINT32, _out, (int)c[0]);
writeValue(ValueTypeINT32, _out, (int)c[1]);
writeValue(ValueTypeINT32, _out, (int)c[2]);
if ( _opt.color_has_alpha() )
writeValue(ValueTypeINT32, _out, (int)c[3]);
}
}
// faces (indices starting at 0)
if (_be.is_triangle_mesh())
{
for (i=0, nF=_be.n_faces(); i<nF; ++i)
{
//face
_be.get_vhandles(FaceHandle(i), vhandles);
writeValue(ValueTypeUINT8, _out, 3);
writeValue(ValueTypeINT32, _out, vhandles[0].idx());
writeValue(ValueTypeINT32, _out, vhandles[1].idx());
writeValue(ValueTypeINT32, _out, vhandles[2].idx());
// //face color
// if ( _opt.face_has_color() ){
// c = _be.colorA( FaceHandle(i) );
// writeValue(_out, c[0]);
// writeValue(_out, c[1]);
// writeValue(_out, c[2]);
//
// if ( _opt.color_has_alpha() )
// writeValue(_out, c[3]);
// }
}
}
else
{
for (i=0, nF=_be.n_faces(); i<nF; ++i)
{
//face
nV = _be.get_vhandles(FaceHandle(i), vhandles);
writeValue(ValueTypeUINT8, _out, nV);
for (j=0; j<vhandles.size(); ++j)
writeValue(ValueTypeINT32, _out, vhandles[j].idx() );
// //face color
// if ( _opt.face_has_color() ){
// c = _be.colorA( FaceHandle(i) );
// writeValue(_out, c[0]);
// writeValue(_out, c[1]);
// writeValue(_out, c[2]);
//
// if ( _opt.color_has_alpha() )
// writeValue(_out, c[3]);
// }
}
}
return true;
}
// ----------------------------------------------------------------------------
size_t
_PLYWriter_::
binary_size(BaseExporter& _be, Options _opt) const
{
size_t header(0);
size_t data(0);
size_t _3longs(3*sizeof(long));
size_t _3floats(3*sizeof(float));
size_t _3ui(3*sizeof(unsigned int));
size_t _4ui(4*sizeof(unsigned int));
if ( !_opt.is_binary() )
return 0;
else
{
header += 11; // 'OFF BINARY\n'
header += _3longs; // #V #F #E
data += _be.n_vertices() * _3floats; // vertex data
}
if ( _opt.vertex_has_normal() && _be.has_vertex_normals() )
{
header += 1; // N
data += _be.n_vertices() * _3floats;
}
if ( _opt.vertex_has_color() && _be.has_vertex_colors() )
{
header += 1; // C
data += _be.n_vertices() * _3floats;
}
if ( _opt.vertex_has_texcoord() && _be.has_vertex_texcoords() )
{
size_t _2floats(2*sizeof(float));
header += 2; // ST
data += _be.n_vertices() * _2floats;
}
// topology
if (_be.is_triangle_mesh())
{
data += _be.n_faces() * _4ui;
}
else
{
unsigned int i, nV, nF;
std::vector<VertexHandle> vhandles;
for (i=0, nF=_be.n_faces(); i<nF; ++i)
{
nV = _be.get_vhandles(FaceHandle(i), vhandles);
data += nV * sizeof(unsigned int);
}
}
// face colors
if ( _opt.face_has_color() && _be.has_face_colors() ){
if ( _opt.color_has_alpha() )
data += _be.n_faces() * _4ui;
else
data += _be.n_faces() * _3ui;
}
return header+data;
}
//=============================================================================
} // namespace IO
} // namespace OpenMesh
//=============================================================================

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/*===========================================================================*\
* *
* OpenMesh *
* Copyright (C) 2003 by Computer Graphics Group, RWTH Aachen *
* www.openmesh.org *
* *
*---------------------------------------------------------------------------*
* *
* License *
* *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published *
* by the Free Software Foundation, version 2.1. *
* *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
* *
\*===========================================================================*/
//=============================================================================
//
// Implements a writer module for PLY files
//
//=============================================================================
#ifndef __PLYWRITER_HH__
#define __PWRITER_HH__
//=== INCLUDES ================================================================
#include <stdio.h>
#include <string>
#include <fstream>
#include <OpenMesh/Core/System/config.h>
#include <OpenMesh/Core/Utils/SingletonT.hh>
#include <OpenMesh/Core/IO/exporter/BaseExporter.hh>
#include <OpenMesh/Core/IO/writer/BaseWriter.hh>
//== NAMESPACES ===============================================================
namespace OpenMesh {
namespace IO {
//=== IMPLEMENTATION ==========================================================
/**
Implementation of the PLY format writer. This class is singleton'ed by
SingletonT to PLYWriter.
currently supported options:
- VertexColors
- Binary
- Binary -> MSB
*/
class _PLYWriter_ : public BaseWriter
{
public:
_PLYWriter_();
std::string get_description() const { return "PLY polygon file format"; }
std::string get_extensions() const { return "ply"; }
bool write(const std::string&, BaseExporter&, Options) const;
size_t binary_size(BaseExporter& _be, Options _opt) const;
enum ValueType {
Unsupported ,
ValueTypeFLOAT32, ValueTypeFLOAT,
ValueTypeUINT8, ValueTypeINT32, ValueTypeINT ,
ValueTypeUCHAR
};
private:
mutable Options options_;
protected:
void writeValue(ValueType _type, std::fstream& _out, int value) const;
void writeValue(ValueType _type, std::fstream& _out, unsigned int value) const;
void writeValue(ValueType _type, std::fstream& _out, float value) const;
bool write_ascii(std::fstream& _in, BaseExporter&, Options) const;
bool write_binary(std::fstream& _in, BaseExporter&, Options) const;
};
//== TYPE DEFINITION ==========================================================
/// Declare the single entity of the PLY writer.
extern _PLYWriter_ __PLYWriterInstance;
_PLYWriter_& PLYWriter();
//=============================================================================
} // namespace IO
} // namespace OpenMesh
//=============================================================================
#endif
//=============================================================================

278
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/*===========================================================================*\
* *
* OpenMesh *
* Copyright (C) 2003 by Computer Graphics Group, RWTH Aachen *
* www.openmesh.org *
* *
*---------------------------------------------------------------------------*
* *
* License *
* *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published *
* by the Free Software Foundation, version 2.1. *
* *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
* *
\*===========================================================================*/
//== INCLUDES =================================================================
//STL
#include <fstream>
// OpenMesh
#include <OpenMesh/Core/System/config.h>
#include <OpenMesh/Core/System/omstream.hh>
#include <OpenMesh/Core/Geometry/VectorT.hh>
#include <OpenMesh/Core/IO/BinaryHelper.hh>
#include <OpenMesh/Core/IO/IOManager.hh>
#include <OpenMesh/Core/IO/writer/STLWriter.hh>
//=== NAMESPACES ==============================================================
namespace OpenMesh {
namespace IO {
//=== INSTANCIATE =============================================================
_STLWriter_ __STLWriterInstance;
_STLWriter_& STLWriter() { return __STLWriterInstance; }
//=== IMPLEMENTATION ==========================================================
_STLWriter_::_STLWriter_() { IOManager().register_module(this); }
//-----------------------------------------------------------------------------
bool
_STLWriter_::
write(const std::string& _filename, BaseExporter& _be, Options _opt) const
{
// check exporter features
if (!check(_be, _opt)) return false;
// check writer features
if (_opt.check(Options::VertexNormal) ||
_opt.check(Options::VertexTexCoord) ||
_opt.check(Options::FaceColor))
return false;
// binary or ascii ?
if (_filename.rfind(".stla") != std::string::npos)
{
_opt -= Options::Binary;
return write_stla(_filename, _be, _opt);
}
else if (_filename.rfind(".stlb") != std::string::npos)
{
_opt += Options::Binary;
return write_stlb(_filename, _be, _opt);
}
else if (_filename.rfind(".stl") != std::string::npos)
{
return (_opt.check( Options::Binary )
? write_stlb(_filename, _be, _opt)
: write_stla(_filename, _be, _opt) );
}
return false;
}
//-----------------------------------------------------------------------------
bool
_STLWriter_::
write_stla(const std::string& _filename, BaseExporter& _be, Options /* _opt */) const
{
omlog() << "[STLWriter] : write ascii file\n";
// open file
FILE* out = fopen(_filename.c_str(), "w");
if (!out)
{
omerr() << "[STLWriter] : cannot open file " << _filename << std::endl;
return false;
}
unsigned int i, nF(_be.n_faces()), nV;
Vec3f a, b, c, n;
std::vector<VertexHandle> vhandles;
FaceHandle fh;
// header
fprintf(out, "solid\n");
// write face set
for (i=0; i<nF; ++i)
{
fh = FaceHandle(i);
nV = _be.get_vhandles(fh, vhandles);
if (nV == 3)
{
a = _be.point(vhandles[0]);
b = _be.point(vhandles[1]);
c = _be.point(vhandles[2]);
n = (_be.has_face_normals() ?
_be.normal(fh) :
((c-b) % (a-b)).normalize());
fprintf(out, "facet normal %f %f %f\nouter loop\n", n[0], n[1], n[2]);
fprintf(out, "vertex %.10f %.10f %.10f\n", a[0], a[1], a[2]);
fprintf(out, "vertex %.10f %.10f %.10f\n", b[0], b[1], b[2]);
fprintf(out, "vertex %.10f %.10f %.10f", c[0], c[1], c[2]);
}
else
omerr() << "[STLWriter] : Warning non-triangle data!\n";
fprintf(out, "\nendloop\nendfacet\n");
}
fclose(out);
return true;
}
//-----------------------------------------------------------------------------
bool
_STLWriter_::
write_stlb(const std::string& _filename, BaseExporter& _be, Options /* _opt */) const
{
omlog() << "[STLWriter] : write binary file\n";
// open file
FILE* out = fopen(_filename.c_str(), "wb");
if (!out)
{
omerr() << "[STLWriter] : cannot open file " << _filename << std::endl;
return false;
}
unsigned int i, nF(_be.n_faces()), nV;
Vec3f a, b, c, n;
std::vector<VertexHandle> vhandles;
FaceHandle fh;
// write header
const char header[80] =
"binary stl file"
" ";
fwrite(header, 1, 80, out);
// number of faces
write_int(_be.n_faces(), out);
// write face set
for (i=0; i<nF; ++i)
{
fh = FaceHandle(i);
nV = _be.get_vhandles(fh, vhandles);
if (nV == 3)
{
a = _be.point(vhandles[0]);
b = _be.point(vhandles[1]);
c = _be.point(vhandles[2]);
n = (_be.has_face_normals() ?
_be.normal(fh) :
((c-b) % (a-b)).normalize());
// face normal
write_float(n[0], out);
write_float(n[1], out);
write_float(n[2], out);
// face vertices
write_float(a[0], out);
write_float(a[1], out);
write_float(a[2], out);
write_float(b[0], out);
write_float(b[1], out);
write_float(b[2], out);
write_float(c[0], out);
write_float(c[1], out);
write_float(c[2], out);
// space filler
write_short(0, out);
}
else
omerr() << "[STLWriter] : Warning: Skipped non-triangle data!\n";
}
fclose(out);
return true;
}
//-----------------------------------------------------------------------------
size_t
_STLWriter_::
binary_size(BaseExporter& _be, Options /* _opt */) const
{
size_t bytes(0);
size_t _12floats(12*sizeof(float));
bytes += 80; // header
bytes += 4; // #faces
unsigned int i, nF(_be.n_faces());
std::vector<VertexHandle> vhandles;
for (i=0; i<nF; ++i)
if (_be.get_vhandles(FaceHandle(i), vhandles) == 3)
bytes += _12floats + sizeof(short);
else
omerr() << "[STLWriter] : Warning: Skipped non-triangle data!\n";
return bytes;
}
//=============================================================================
} // namespace IO
} // namespace OpenMesh
//=============================================================================

100
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/*===========================================================================*\
* *
* OpenMesh *
* Copyright (C) 2003 by Computer Graphics Group, RWTH Aachen *
* www.openmesh.org *
* *
*---------------------------------------------------------------------------*
* *
* License *
* *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published *
* by the Free Software Foundation, version 2.1. *
* *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
* *
\*===========================================================================*/
//=============================================================================
//
// Implements a writer module for STL ascii files
//
//=============================================================================
// $Id: STLWriter.hh,v 1.2 2007-05-18 15:17:43 habbecke Exp $
#ifndef __STLWRITER_HH__
#define __STLWRITER_HH__
//=== INCLUDES ================================================================
// -------------------- STL
#if defined( OM_CC_MIPS )
# include <stdio.h>
#else
# include <cstdio>
#endif
#include <string>
// -------------------- OpenMesh
#include <OpenMesh/Core/System/config.h>
#include <OpenMesh/Core/Utils/SingletonT.hh>
#include <OpenMesh/Core/IO/exporter/BaseExporter.hh>
#include <OpenMesh/Core/IO/writer/BaseWriter.hh>
//== NAMESPACES ===============================================================
namespace OpenMesh {
namespace IO {
//=== IMPLEMENTATION ==========================================================
/**
Implementation of the STL format writer. This class is singleton'ed by
SingletonT to STLWriter.
*/
class _STLWriter_ : public BaseWriter
{
public:
_STLWriter_();
std::string get_description() const { return "Stereolithography Format"; }
std::string get_extensions() const { return "stla stlb"; }
bool write(const std::string&, BaseExporter&, Options) const;
size_t binary_size(BaseExporter&, Options) const;
private:
bool write_stla(const std::string&, BaseExporter&, Options) const;
bool write_stlb(const std::string&, BaseExporter&, Options) const;
};
//== TYPE DEFINITION ==========================================================
// Declare the single entity of STL writer.
extern _STLWriter_ __STLWriterInstance;
_STLWriter_& STLWriter();
//=============================================================================
} // namespace IO
} // namespace OpenMesh
//=============================================================================
#endif
//=============================================================================