vcglib/wrap/io_trimesh/io_ply.h

168 lines
6.7 KiB
C++

/****************************************************************************
* 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. *
* *
****************************************************************************/
/****************************************************************************
History
$Log: not supported by cvs2svn $
Revision 1.3 2004/05/12 10:19:30 ganovelli
new line added at the end of file
Revision 1.2 2004/03/09 21:26:47 cignoni
cr lf mismatch
Revision 1.1 2004/03/08 09:21:34 cignoni
Initial commit
Revision 1.1 2004/03/03 15:00:51 cignoni
Initial commit
****************************************************************************/
#ifndef __VCGLIB_IOTRIMESH_IO_PLY
#define __VCGLIB_IOTRIMESH_IO_PLY
/**
@name Load and Save in Ply format
*/
//@{
#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 ;
void AddPerElemFloatAttribute(int elemType, const char *attrName, const char * propName=0)
{
static const char *elemStr[2]={"vertex","face"};
static std::vector<PropDescriptor> *elemDescVec[2]={&(this->VertDescriptorVec), &(this->FaceDescriptorVec)};
static std::vector<std::string > *elemNameVec[2]={&(this->VertAttrNameVec), &(this->FaceAttrNameVec)};
if(propName==0) propName=attrName;
elemDescVec[elemType]->push_back(PropDescriptor());
elemNameVec[elemType]->push_back(attrName);
elemDescVec[elemType]->back().elemname=elemStr[elemType];
elemDescVec[elemType]->back().propname=propName;
elemDescVec[elemType]->back().stotype1 = vcg::ply::T_FLOAT;
elemDescVec[elemType]->back().memtype1 = vcg::ply::T_FLOAT;
}
void AddPerVertexFloatAttribute(const char *attrName, const char *propName=0) {
AddPerElemFloatAttribute(0,attrName,propName);
}
void AddPerFaceFloatAttribute(const char *attrName, const char *propName=0) {
AddPerElemFloatAttribute(1,attrName,propName);
}
/* Note that saving a per vertex point3 attribute is a mess.
* Actually require to allocate 3 float attribute and save them. And they are never deallocated... */
template<class MeshType>
void AddPerVertexPoint3fAttribute(MeshType &m, const char *attrName, const char *propName="")
{
if(propName==0) 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];
});
AddPerVertexFloatAttribute(attrxyz[i]);
}
}
PlyInfo()
{
status=0;
mask=0;
cb=0;
}
/// Store the error codes enconutered when parsing a ply
int status;
/// It returns a bit mask describing the field preesnt in the ply file
int mask;
/// 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;
/// 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;
/// AttributeName is an array, externally allocated, containing the names of the attributes to be saved (loaded).
/// We assume that AttributeName[], if not empty, is exactly of the same size of VertexdData[]
/// If AttributeName[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;
/// The additional vertex descriptor that a user can specify to load additional per-face non-standard data stored in a ply
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, // 14
E_NO_FACE = ply::E_MAXPLYERRORS+2, // 15
E_SHORTFILE = ply::E_MAXPLYERRORS+3, // 16
E_NO_3VERTINFACE = ply::E_MAXPLYERRORS+4, // 17
E_BAD_VERT_INDEX = ply::E_MAXPLYERRORS+5, // 18
E_NO_6TCOORD = ply::E_MAXPLYERRORS+6, // 19
E_DIFFER_COLORS = ply::E_MAXPLYERRORS+7,
E_BAD_VERT_INDEX_EDGE = ply::E_MAXPLYERRORS+8, // 18
E_MAXPLYINFOERRORS= ply::E_MAXPLYERRORS+9// 20
};
}; // end class
} // end namespace tri
} // end namespace io
} // end namespace vcg
#endif