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openMVS/vcglib/wrap/io_trimesh/io_ply.h

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/****************************************************************************
* VCGLib o o *
* Visual and Computer Graphics Library o o *
* _ O _ *
* Copyright(C) 2004-2016 \/)\/ *
* Visual Computing Lab /\/| *
* ISTI - Italian National Research Council | *
* \ *
* All rights reserved. *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License (http://www.gnu.org/licenses/gpl.txt) *
* for more details. *
* *
****************************************************************************/
#ifndef __VCGLIB_IOTRIMESH_IO_PLY
#define __VCGLIB_IOTRIMESH_IO_PLY
/**
@name Ply I/O
It contains the definition of the accessory class PlyInfo
It is directly included by the importer and exporter ply classes
*/
//@{
#include "vcg/complex/allocate.h"
#include "vcg/complex/base.h"
#include "vcg/space/point3.h"
#include "wrap/callback.h"
#include "wrap/ply/plylib.h"
namespace vcg {
namespace tri {
namespace io {
/** Additional data needed or useful for parsing a ply mesh.
This class can be passed to the ImporterPLY::Open() function for
- retrieving additional per-vertex per-face data
- specifying a callback for long ply parsing
- knowing what data is contained in a ply file
*/
class PlyInfo
{
public:
typedef ::vcg::ply::PropDescriptor PropDescriptor ;
typedef int PlyElemType;
const static PlyElemType PlyElemVertex = 0;
const static PlyElemType PlyElemFace = 1;
/// Store the error codes enconutered when parsing a ply
int status=0;
/// It returns a bit mask describing the field present in the ply file
int mask=0;
/// a Simple callback that can be used for long ply parsing.
// it returns the current position, and formats a string with a description of what th efunction is doing (loading vertexes, faces...)
CallBackPos *cb=0;
/// The additional vertex descriptor that a user can specify to load additional per-vertex non-standard data stored in a ply
std::vector<PropDescriptor> VertDescriptorVec;
/// VertAttrNameVec is a vector containing the names of the attributes to be saved (loaded).
/// We assume that VertAttrNameVec, if not empty, is exactly of the same size of VertDescriptorVec
/// If VertAttrNameVec[i] is not empty we use it to retrieve/store the info instead of the offsetted space in the current vertex
std::vector<std::string> VertAttrNameVec;
std::vector<PropDescriptor> FaceDescriptorVec;
std::vector<std::string> FaceAttrNameVec;
/// a string containing the current ply header. Useful for showing it to the user.
std::string header;
enum Error
{
// Funzioni superiori
E_NO_VERTEX = ply::E_MAXPLYERRORS+1, // 15
E_NO_FACE = ply::E_MAXPLYERRORS+2, // 16
E_SHORTFILE = ply::E_MAXPLYERRORS+3, // 17
E_NO_3VERTINFACE = ply::E_MAXPLYERRORS+4, // 18
E_BAD_VERT_INDEX = ply::E_MAXPLYERRORS+5, // 19
E_NO_6TCOORD = ply::E_MAXPLYERRORS+6, // 20
E_DIFFER_COLORS = ply::E_MAXPLYERRORS+7, // 21
E_BAD_VERT_INDEX_EDGE = ply::E_MAXPLYERRORS+8, // 22
E_MAXPLYINFOERRORS= ply::E_MAXPLYERRORS+9 // 23
};
/**
* @brief addPerElemScalarAttribute
* @param elemType Vertex or Face
* @param propertyType the type of the property
* @param attrName the name of the attribute (both in the ply file and in the mesh)
* @param propName, optional only in case we want to load a certain ply property in an attribute with a different name
*
* This function is used to specify additional per-vertex or per-face data
* that is stored in the ply file and that should loaded or saved using attributes
*
*/
void addPerElemScalarAttribute(PlyElemType elemType, vcg::ply::PlyTypes propertyType, const std::string& attrName, std::string propName="")
{
if(propName=="")
propName=attrName;
PropDescriptor p;
p.propname=propName;
p.islist = false;
p.stotype1 = propertyType;
p.memtype1 = propertyType;
if (elemType == PlyElemVertex){
p.elemname="vertex";
VertDescriptorVec.push_back(p);
VertAttrNameVec.resize(VertDescriptorVec.size());
VertAttrNameVec.back() = attrName;
}
else if (elemType == PlyElemFace){
p.elemname="face";
FaceDescriptorVec.push_back(p);
FaceAttrNameVec.resize(FaceDescriptorVec.size());
FaceAttrNameVec.back() = attrName;
}
}
void AddPerElemFloatAttribute(PlyElemType elemType, const std::string& attrName, std::string propName="")
{
addPerElemScalarAttribute(elemType, vcg::ply::T_FLOAT, attrName, propName);
}
void AddPerElemDoubleAttribute(PlyElemType elemType, const std::string& attrName, std::string propName="")
{
addPerElemScalarAttribute(elemType, vcg::ply::T_DOUBLE, attrName, propName);
}
void addPerVertexScalarAttribute(const std::string& attrName, vcg::ply::PlyTypes attrType, std::string propName="")
{
addPerElemScalarAttribute(PlyInfo::PlyElemVertex, attrType, attrName,propName);
}
void AddPerVertexFloatAttribute(const std::string& attrName, std::string propName="")
{
AddPerElemFloatAttribute(PlyInfo::PlyElemVertex,attrName,propName);
}
void addPerFaceScalarAttribute(const std::string& attrName, vcg::ply::PlyTypes attrType, std::string propName="")
{
addPerElemScalarAttribute(PlyInfo::PlyElemFace,attrType, attrName,propName);
}
void AddPerFaceFloatAttribute(const std::string& attrName, std::string propName="")
{
AddPerElemFloatAttribute(PlyInfo::PlyElemFace,attrName,propName);
}
void addPerElemPointAttribute(int elemType, vcg::ply::PlyTypes propertyType, const std::string& attrName, std::string propName="")
{
if(propName=="")
propName=attrName;
PropDescriptor p;
p.propname=propName;
p.stotype1 = propertyType;
p.memtype1 = propertyType;
p.islist = true;
p.memtype2 = vcg::ply::PlyTypes::T_UCHAR;
p.stotype2 = vcg::ply::PlyTypes::T_UCHAR;
if (elemType == 0){ //vertex
VertAttrNameVec.push_back(attrName);
p.elemname="vertex";
VertDescriptorVec.push_back(p);
}
else if (elemType == 1){ //face
FaceAttrNameVec.push_back(attrName);
p.elemname="face";
FaceDescriptorVec.push_back(p);
}
}
void addPerVertexPoint3mAttribute(const std::string& attrName, vcg::ply::PlyTypes attrType, std::string propName="")
{
addPerElemPointAttribute(PlyInfo::PlyElemVertex,attrType, attrName,propName);
}
void addPerVertexPoint3fAttribute(const std::string& attrName, std::string propName="")
{
addPerElemPointAttribute(PlyInfo::PlyElemVertex,vcg::ply::PlyTypes::T_FLOAT, attrName,propName);
}
void addPerVertexPoint3dAttribute(const std::string& attrName, std::string propName="")
{
addPerElemPointAttribute(PlyInfo::PlyElemVertex,vcg::ply::PlyTypes::T_DOUBLE, attrName,propName);
}
void addPerFacePoint3mAttribute(const std::string& attrName, vcg::ply::PlyTypes attrType, std::string propName="")
{
addPerElemPointAttribute(PlyInfo::PlyElemFace,attrType, attrName,propName);
}
void addPerFacePoint3fAttribute(const std::string& attrName, std::string propName="")
{
addPerElemPointAttribute(PlyInfo::PlyElemFace,vcg::ply::PlyTypes::T_FLOAT, attrName,propName);
}
void addPerFacePoint3dAttribute(const std::string& attrName, std::string propName="")
{
addPerElemPointAttribute(PlyInfo::PlyElemFace,vcg::ply::PlyTypes::T_DOUBLE, attrName,propName);
}
/* Note that saving a per vertex point3 attribute is a mess.
* Actually it requires to allocate 3 float attribute and save them. And they are never deallocated... */
template<class MeshType>
void AddPerVertexPoint3fAttribute(MeshType &m, const std::string& attrName, std::string propName="")
{
if(propName=="")
propName=attrName;
const char *attrxyz[3] = {
strdup((std::string(attrName)+std::string("_x")).c_str()),
strdup((std::string(attrName)+std::string("_y")).c_str()),
strdup((std::string(attrName)+std::string("_z")).c_str()),
};
typename MeshType::template PerVertexAttributeHandle <vcg::Point3f>
ht = vcg::tri::Allocator<MeshType>:: template GetPerVertexAttribute <vcg::Point3f> (m,attrName);
typename MeshType::template PerVertexAttributeHandle <float> htt[3];
for(int i=0;i<3;++i)
{
htt[i] = vcg::tri::Allocator<MeshType>:: template GetPerVertexAttribute<float> (m,std::string(attrxyz[i]));
// ForEachVertex (m, [&](typename MeshType::VertexType &v) {
// htt[i][v] = ht[v][i];
// });
for(auto vi=m.vert.begin();vi!=m.vert.end();++vi)
if(!vi->IsD())
htt[i][vi] = ht[vi][i];
AddPerVertexFloatAttribute(attrxyz[i]);
}
}
}; // end PlyInfo class
// This class holds the vectors of handles to the attributes of a given mesh type
// it is intialized with a PlyInfo object and a mesh and try to retrieve and initialize
// a set of handles for all the attributes that we want to load/save into ply elements
// It is used internally by the importer and exporter ply classes
// Note: we have two sets of handles, const and not const ones to handle the fact
// that for loading we need non const handles while for saving we need const handles
// (saved meshes are const)
template <class MeshType> class PlyAttributeHelper
{
public:
std::vector<typename MeshType:: template ConstPerVertexAttributeHandle<float > > tchfv;
std::vector<typename MeshType:: template ConstPerVertexAttributeHandle<double> > tchdv;
std::vector<typename MeshType:: template ConstPerVertexAttributeHandle<int > > tchiv;
std::vector<typename MeshType:: template ConstPerVertexAttributeHandle<short > > tchsv;
std::vector<typename MeshType:: template ConstPerVertexAttributeHandle<char > > tchcv;
std::vector<typename MeshType:: template ConstPerVertexAttributeHandle<unsigned char> > tchuv;
std::vector<typename MeshType:: template ConstPerVertexAttributeHandle<vcg::Point3f> > tchp3fv;
std::vector<typename MeshType:: template ConstPerVertexAttributeHandle<vcg::Point3d> > tchp3dv;
std::vector<typename MeshType:: template ConstPerFaceAttributeHandle<float > > tchff;
std::vector<typename MeshType:: template ConstPerFaceAttributeHandle<double> > tchdf;
std::vector<typename MeshType:: template ConstPerFaceAttributeHandle<int > > tchif;
std::vector<typename MeshType:: template ConstPerFaceAttributeHandle<short > > tchsf;
std::vector<typename MeshType:: template ConstPerFaceAttributeHandle<char > > tchcf;
std::vector<typename MeshType:: template ConstPerFaceAttributeHandle<unsigned char> > tchuf;
std::vector<typename MeshType:: template ConstPerFaceAttributeHandle<vcg::Point3f> > tchp3ff;
std::vector<typename MeshType:: template ConstPerFaceAttributeHandle<vcg::Point3d> > tchp3df;
std::vector<typename MeshType:: template PerVertexAttributeHandle<float > > thfv;
std::vector<typename MeshType:: template PerVertexAttributeHandle<double> > thdv;
std::vector<typename MeshType:: template PerVertexAttributeHandle<int > > thiv;
std::vector<typename MeshType:: template PerVertexAttributeHandle<short > > thsv;
std::vector<typename MeshType:: template PerVertexAttributeHandle<char > > thcv;
std::vector<typename MeshType:: template PerVertexAttributeHandle<unsigned char> > thuv;
std::vector<typename MeshType:: template PerVertexAttributeHandle<vcg::Point3f> > thp3fv;
std::vector<typename MeshType:: template PerVertexAttributeHandle<vcg::Point3d> > thp3dv;
std::vector<typename MeshType:: template PerFaceAttributeHandle<float > > thff;
std::vector<typename MeshType:: template PerFaceAttributeHandle<double> > thdf;
std::vector<typename MeshType:: template PerFaceAttributeHandle<int > > thif;
std::vector<typename MeshType:: template PerFaceAttributeHandle<short > > thsf;
std::vector<typename MeshType:: template PerFaceAttributeHandle<char > > thcf;
std::vector<typename MeshType:: template PerFaceAttributeHandle<unsigned char> > thuf;
std::vector<typename MeshType:: template PerFaceAttributeHandle<vcg::Point3f> > thp3ff;
std::vector<typename MeshType:: template PerFaceAttributeHandle<vcg::Point3d> > thp3df;
/* The constructor take care of initializing the handles to the attributes of a mesh
* given a PlyInfo object and a mesh
* Note that there are two version of the constructor one for const handler (used by save) and one for non-const handlers (used by load)
*/
PlyAttributeHelper(const PlyInfo &pi, const MeshType &m)
{
tchfv.resize(pi.VertDescriptorVec.size());
tchdv.resize(pi.VertDescriptorVec.size());
tchiv.resize(pi.VertDescriptorVec.size());
tchsv.resize(pi.VertDescriptorVec.size());
tchcv.resize(pi.VertDescriptorVec.size());
tchuv.resize(pi.VertDescriptorVec.size());
tchp3fv.resize(pi.VertDescriptorVec.size());
tchp3dv.resize(pi.VertDescriptorVec.size());
for(size_t i=0;i<pi.VertDescriptorVec.size();i++)
{
if(!pi.VertAttrNameVec.empty() && !pi.VertAttrNameVec[i].empty())
{ // trying to use named attribute to retrieve the value to store
assert(vcg::tri::HasPerVertexAttribute(m,pi.VertAttrNameVec[i]));
if (!pi.VertDescriptorVec[i].islist){
switch (pi.VertDescriptorVec[i].stotype1)
{
case ply::T_FLOAT : tchfv[i] = vcg::tri::Allocator<MeshType>::template FindPerVertexAttribute<float>(m,pi.VertAttrNameVec[i]); break;
case ply::T_DOUBLE : tchdv[i] = vcg::tri::Allocator<MeshType>::template FindPerVertexAttribute<double>(m,pi.VertAttrNameVec[i]); break;
case ply::T_INT : tchiv[i] = vcg::tri::Allocator<MeshType>::template FindPerVertexAttribute<int >(m,pi.VertAttrNameVec[i]); break;
case ply::T_SHORT : tchsv[i] = vcg::tri::Allocator<MeshType>::template FindPerVertexAttribute<short >(m,pi.VertAttrNameVec[i]); break;
case ply::T_CHAR : tchcv[i] = vcg::tri::Allocator<MeshType>::template FindPerVertexAttribute<char>(m,pi.VertAttrNameVec[i]); break;
case ply::T_UCHAR : tchuv[i] = vcg::tri::Allocator<MeshType>::template FindPerVertexAttribute<unsigned char>(m,pi.VertAttrNameVec[i]); break;
default : assert(0);
}
}
else {
switch (pi.VertDescriptorVec[i].stotype1)
{
case ply::T_FLOAT : tchp3fv[i] = vcg::tri::Allocator<MeshType>::template FindPerVertexAttribute<vcg::Point3f>(m,pi.VertAttrNameVec[i]); break;
case ply::T_DOUBLE : tchp3dv[i] = vcg::tri::Allocator<MeshType>::template FindPerVertexAttribute<vcg::Point3d>(m,pi.VertAttrNameVec[i]); break;
default : assert(0);
}
}
}
}
tchff.resize(pi.FaceDescriptorVec.size());
tchdf.resize(pi.FaceDescriptorVec.size());
tchif.resize(pi.FaceDescriptorVec.size());
tchsf.resize(pi.FaceDescriptorVec.size());
tchcf.resize(pi.FaceDescriptorVec.size());
tchuf.resize(pi.FaceDescriptorVec.size());
tchp3ff.resize(pi.FaceDescriptorVec.size());
tchp3df.resize(pi.FaceDescriptorVec.size());
for(size_t i=0;i<pi.FaceDescriptorVec.size();i++)
{
if(!pi.FaceAttrNameVec.empty() && !pi.FaceAttrNameVec[i].empty())
{ // trying to use named attribute to retrieve the value to store
assert(vcg::tri::HasPerFaceAttribute(m,pi.FaceAttrNameVec[i]));
if (!pi.FaceDescriptorVec[i].islist) {
switch (pi.FaceDescriptorVec[i].stotype1)
{
case ply::T_FLOAT : tchff[i] = vcg::tri::Allocator<MeshType>::template FindPerFaceAttribute<float>(m,pi.FaceAttrNameVec[i]); break;
case ply::T_DOUBLE : tchdf[i] = vcg::tri::Allocator<MeshType>::template FindPerFaceAttribute<double>(m,pi.FaceAttrNameVec[i]); break;
case ply::T_INT : tchif[i] = vcg::tri::Allocator<MeshType>::template FindPerFaceAttribute<int >(m,pi.FaceAttrNameVec[i]); break;
case ply::T_SHORT : tchsf[i] = vcg::tri::Allocator<MeshType>::template FindPerFaceAttribute<short >(m,pi.FaceAttrNameVec[i]); break;
case ply::T_CHAR : tchcf[i] = vcg::tri::Allocator<MeshType>::template FindPerFaceAttribute<char>(m,pi.FaceAttrNameVec[i]); break;
case ply::T_UCHAR : tchuf[i] = vcg::tri::Allocator<MeshType>::template FindPerFaceAttribute<unsigned char>(m,pi.FaceAttrNameVec[i]); break;
default : assert(0);
}
}
else {
switch (pi.FaceDescriptorVec[i].stotype1)
{
case ply::T_FLOAT : tchp3ff[i] = vcg::tri::Allocator<MeshType>::template FindPerFaceAttribute<vcg::Point3f>(m,pi.FaceAttrNameVec[i]); break;
case ply::T_DOUBLE : tchp3df[i] = vcg::tri::Allocator<MeshType>::template FindPerFaceAttribute<vcg::Point3d>(m,pi.FaceAttrNameVec[i]); break;
default : assert(0);
}
}
}
}
}
// Second version of the constructor
// This one is used when we want to load attributes from a ply file and we need non const handles to the attributes
PlyAttributeHelper(const PlyInfo &pi, MeshType &m)
{
thfv.resize(pi.VertDescriptorVec.size());
thdv.resize(pi.VertDescriptorVec.size());
thiv.resize(pi.VertDescriptorVec.size());
thsv.resize(pi.VertDescriptorVec.size());
thcv.resize(pi.VertDescriptorVec.size());
thuv.resize(pi.VertDescriptorVec.size());
thp3fv.resize(pi.VertDescriptorVec.size());
thp3dv.resize(pi.VertDescriptorVec.size());
for(size_t i=0;i<pi.VertDescriptorVec.size();i++)
{
if(!pi.VertAttrNameVec.empty() && !pi.VertAttrNameVec[i].empty())
{ // trying to use named attribute to retrieve the value to store
assert(vcg::tri::HasPerVertexAttribute(m,pi.VertAttrNameVec[i]));
if (!pi.VertDescriptorVec[i].islist){
switch (pi.VertDescriptorVec[i].stotype1)
{
case ply::T_FLOAT : thfv[i] = vcg::tri::Allocator<MeshType>::template FindPerVertexAttribute<float>(m,pi.VertAttrNameVec[i]); break;
case ply::T_DOUBLE : thdv[i] = vcg::tri::Allocator<MeshType>::template FindPerVertexAttribute<double>(m,pi.VertAttrNameVec[i]); break;
case ply::T_INT : thiv[i] = vcg::tri::Allocator<MeshType>::template FindPerVertexAttribute<int >(m,pi.VertAttrNameVec[i]); break;
case ply::T_SHORT : thsv[i] = vcg::tri::Allocator<MeshType>::template FindPerVertexAttribute<short >(m,pi.VertAttrNameVec[i]); break;
case ply::T_CHAR : thcv[i] = vcg::tri::Allocator<MeshType>::template FindPerVertexAttribute<char>(m,pi.VertAttrNameVec[i]); break;
case ply::T_UCHAR : thuv[i] = vcg::tri::Allocator<MeshType>::template FindPerVertexAttribute<unsigned char>(m,pi.VertAttrNameVec[i]); break;
default : assert(0);
}
}
else {
switch (pi.VertDescriptorVec[i].stotype1)
{
case ply::T_FLOAT : thp3fv[i] = vcg::tri::Allocator<MeshType>::template FindPerVertexAttribute<vcg::Point3f>(m,pi.VertAttrNameVec[i]); break;
case ply::T_DOUBLE : thp3dv[i] = vcg::tri::Allocator<MeshType>::template FindPerVertexAttribute<vcg::Point3d>(m,pi.VertAttrNameVec[i]); break;
default : assert(0);
}
}
}
}
thff.resize(pi.FaceDescriptorVec.size());
thdf.resize(pi.FaceDescriptorVec.size());
thif.resize(pi.FaceDescriptorVec.size());
thsf.resize(pi.FaceDescriptorVec.size());
thcf.resize(pi.FaceDescriptorVec.size());
thuf.resize(pi.FaceDescriptorVec.size());
thp3ff.resize(pi.FaceDescriptorVec.size());
thp3df.resize(pi.FaceDescriptorVec.size());
for(size_t i=0;i<pi.FaceDescriptorVec.size();i++)
{
if(!pi.FaceAttrNameVec.empty() && !pi.FaceAttrNameVec[i].empty())
{ // trying to use named attribute to retrieve the value to store
assert(vcg::tri::HasPerFaceAttribute(m,pi.FaceAttrNameVec[i]));
if (!pi.FaceDescriptorVec[i].islist) {
switch (pi.FaceDescriptorVec[i].stotype1)
{
case ply::T_FLOAT : thff[i] = vcg::tri::Allocator<MeshType>::template FindPerFaceAttribute<float>(m,pi.FaceAttrNameVec[i]); break;
case ply::T_DOUBLE : thdf[i] = vcg::tri::Allocator<MeshType>::template FindPerFaceAttribute<double>(m,pi.FaceAttrNameVec[i]); break;
case ply::T_INT : thif[i] = vcg::tri::Allocator<MeshType>::template FindPerFaceAttribute<int >(m,pi.FaceAttrNameVec[i]); break;
case ply::T_SHORT : thsf[i] = vcg::tri::Allocator<MeshType>::template FindPerFaceAttribute<short >(m,pi.FaceAttrNameVec[i]); break;
case ply::T_CHAR : thcf[i] = vcg::tri::Allocator<MeshType>::template FindPerFaceAttribute<char>(m,pi.FaceAttrNameVec[i]); break;
case ply::T_UCHAR : thuf[i] = vcg::tri::Allocator<MeshType>::template FindPerFaceAttribute<unsigned char>(m,pi.FaceAttrNameVec[i]); break;
default : assert(0);
}
}
else {
switch (pi.FaceDescriptorVec[i].stotype1)
{
case ply::T_FLOAT : thp3ff[i] = vcg::tri::Allocator<MeshType>::template FindPerFaceAttribute<vcg::Point3f>(m,pi.FaceAttrNameVec[i]); break;
case ply::T_DOUBLE : thp3df[i] = vcg::tri::Allocator<MeshType>::template FindPerFaceAttribute<vcg::Point3d>(m,pi.FaceAttrNameVec[i]); break;
default : assert(0);
}
}
}
}
}
}; // end PlyAttributeHelper class
} // end namespace tri
} // end namespace io
} // end namespace vcg
#endif