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This commit is contained in:
Paolo Cignoni 2004-03-03 15:00:51 +00:00
parent e6a05ea921
commit 3bd184ced5
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46
wrap/callback.h Normal file
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/****************************************************************************
* VCGLib o o *
* Visual and Computer Graphics Library o o *
* _ O _ *
* Copyright(C) 2004 \/)\/ *
* 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 $
****************************************************************************/
#ifndef __VCGLIB_CALLBACK
#define __VCGLIB_CALLBACK
namespace vcg {
// Generic Callback function:
// Used to make algorithms interumpable
// Return value: true continue, false break
// The second callback is to know where we are (useful for progress bar)
typedef bool CallBack( const char * str );
typedef bool CallBackPos(const int pos, const char * str );
inline bool DummyCallBack( const char * ) {return true;}
inline bool DummyCallBackPos(const int pos, const char * ) {return true;}
} // End namespace
#endif

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wrap/io_trimesh/import_ply.h Normal file
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/****************************************************************************
* VCGLib o o *
* Visual and Computer Graphics Library o o *
* _ O _ *
* Copyright(C) 2004 \/)\/ *
* 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 $
****************************************************************************/
/**
@name Load and Save in Ply format
*/
//@{
#include<wrap/callback.h>
#include<wrap/ply/plylib.h>
#include<wrap/io_trimesh/io_mask.h>
namespace vcg {
namespace tri {
namespace io {
template <class TYPE>
int PlyType () { return 0;}
//template <class OpenMeshType>
template <> int PlyType <float >() { return ply::T_FLOAT; }
template <> int PlyType <double>() { return ply::T_DOUBLE; }
template <> int PlyType <int >() { return ply::T_INT; }
template <> int PlyType <short >() { return ply::T_SHORT; }
template <> int PlyType <unsigned char >() { return ply::T_UCHAR; }
template <class OpenMeshType>
class ImporterPLY
{
public:
typedef ::vcg::ply::PropDescriptor PropDescriptor ;
typedef typename OpenMeshType::VertexPointer VertexPointer;
typedef typename OpenMeshType::ScalarType ScalarType;
typedef typename OpenMeshType::VertexType VertexType;
typedef typename OpenMeshType::FaceType FaceType;
typedef typename OpenMeshType::VertexIterator VertexIterator;
typedef typename OpenMeshType::FaceIterator FaceIterator;
class PlyInfo
{
public:
PlyInfo()
{
status=0;
mask=0;
cb=0;
vdn=fdn=0;
VertexData=FaceData=0;
}
int status;
int mask; // it overwritten by Open and used by Save
CallBackPos *cb;
int vdn;
PropDescriptor *VertexData;
int fdn;
PropDescriptor *FaceData;
std::string header;
};
enum Error
{
// Funzioni superiori
E_NO_VERTEX, // 14
E_NO_FACE, // 15
E_SHORTFILE, // 16
E_NO_3VERTINFACE, // 17
E_BAD_VERT_INDEX, // 18
E_NO_6TCOORD, // 19
E_DIFFER_COLORS, // 20
};
//template <class T> int PlyType () { assert(0); return 0;}
// Si occupa di convertire da un tipo all'altro.
// usata nella saveply per matchare i tipi tra stotype e memtype.
// Ad es se in memoria c'e' un int e voglio salvare un float
// src sara in effetti un puntatore a int il cui valore deve
// essere convertito al tipo di ritorno desiderato (stotype)
template <class StoType>
void PlyConv(int mem_type, void *src, StoType &dest)
{
// float tf; int ti;short ts; char tc;
switch (mem_type){
case ply::T_FLOAT : dest = (StoType) (* ((float *) src)); break;
case T_DOUBLE : dest = (StoType) (* ((double *) src)); break;
case T_INT : dest = (StoType) (* ((int *) src)); break;
case T_SHORT : dest = (StoType) (* ((short *) src)); break;
case T_CHAR : dest = (StoType) (* ((char *) src)); break;
case T_UCHAR : dest = (StoType) (* ((unsigned char *)src)); break;
default : assert(0);
}
}
#define MAX_USER_DATA 256
// Struttura ausiliaria per la lettura del file ply
struct LoadPly_FaceAux
{
unsigned char size;
int v[512];
int flags;
float q;
float tcoord[32];
unsigned char ntcoord;
int tcoordind;
float colors[32];
unsigned char ncolors;
unsigned char r;
unsigned char g;
unsigned char b;
unsigned char data[MAX_USER_DATA];
};
struct LoadPly_TristripAux
{
int size;
int *v;
unsigned char data[MAX_USER_DATA];
};
// Struttura ausiliaria per la lettura del file ply
template<class S>
struct LoadPly_VertAux
{
S p[3];
int flags;
float q;
unsigned char r;
unsigned char g;
unsigned char b;
unsigned char data[MAX_USER_DATA];
};
// Struttura ausiliaria caricamento camera
struct LoadPly_Camera
{
float view_px;
float view_py;
float view_pz;
float x_axisx;
float x_axisy;
float x_axisz;
float y_axisx;
float y_axisy;
float y_axisz;
float z_axisx;
float z_axisy;
float z_axisz;
float focal;
float scalex;
float scaley;
float centerx;
float centery;
int viewportx;
int viewporty;
float k1;
float k2;
float k3;
float k4;
};
static const PropDescriptor &VertDesc(int i)
{
const static PropDescriptor pv[9]={
{"vertex", "x", ply::T_FLOAT, PlyType<ScalarType>(),offsetof(LoadPly_VertAux<ScalarType>,p[0]),0,0,0,0,0},
{"vertex", "y", ply::T_FLOAT, PlyType<ScalarType>(),offsetof(LoadPly_VertAux<ScalarType>,p[1]),0,0,0,0,0},
{"vertex", "z", ply::T_FLOAT, PlyType<ScalarType>(),offsetof(LoadPly_VertAux<ScalarType>,p[2]),0,0,0,0,0},
{"vertex", "flags", ply::T_INT, ply::T_INT, offsetof(LoadPly_VertAux<ScalarType>,flags),0,0,0,0,0},
{"vertex", "quality", ply::T_FLOAT, ply::T_FLOAT, offsetof(LoadPly_VertAux<ScalarType>,q),0,0,0,0,0},
{"vertex", "red" , ply::T_UCHAR, ply::T_UCHAR, offsetof(LoadPly_VertAux<ScalarType>,r),0,0,0,0,0},
{"vertex", "green", ply::T_UCHAR, ply::T_UCHAR, offsetof(LoadPly_VertAux<ScalarType>,g),0,0,0,0,0},
{"vertex", "blue" , ply::T_UCHAR, ply::T_UCHAR, offsetof(LoadPly_VertAux<ScalarType>,b),0,0,0,0,0},
{"vertex", "confidence",ply::T_FLOAT, ply::T_FLOAT, offsetof(LoadPly_VertAux<ScalarType>,q),0,0,0,0,0},
};
return pv[i];
}
static const PropDescriptor &FaceDesc(int i)
{
const static PropDescriptor qf[10]=
{
{"face", "vertex_indices", ply::T_INT, ply::T_INT, offsetof(LoadPly_FaceAux,v), 1,0,ply::T_UCHAR,ply::T_UCHAR,offsetof(LoadPly_FaceAux,size) },
{"face", "flags", ply::T_INT, ply::T_INT, offsetof(LoadPly_FaceAux,flags), 0,0,0,0,0},
{"face", "quality", ply::T_FLOAT, ply::T_FLOAT, offsetof(LoadPly_FaceAux,q), 0,0,0,0,0},
{"face", "texcoord", ply::T_FLOAT, ply::T_FLOAT, offsetof(LoadPly_FaceAux,tcoord), 1,0,ply::T_UCHAR,ply::T_UCHAR,offsetof(LoadPly_FaceAux,ntcoord) },
{"face", "color", ply::T_FLOAT, ply::T_FLOAT, offsetof(LoadPly_FaceAux,colors), 1,0,ply::T_UCHAR,ply::T_UCHAR,offsetof(LoadPly_FaceAux,ncolors) },
{"face", "texnumber", ply::T_INT, ply::T_INT, offsetof(LoadPly_FaceAux,tcoordind), 0,0,0,0,0},
{"face", "red" , ply::T_UCHAR, ply::T_UCHAR, offsetof(LoadPly_FaceAux,r), 0,0,0,0,0},
{"face", "green", ply::T_UCHAR, ply::T_UCHAR, offsetof(LoadPly_FaceAux,g), 0,0,0,0,0},
{"face", "blue" , ply::T_UCHAR, ply::T_UCHAR, offsetof(LoadPly_FaceAux,b), 0,0,0,0,0},
{"face", "vertex_index", ply::T_INT, ply::T_INT, offsetof(LoadPly_FaceAux,v), 1,0,ply::T_UCHAR,ply::T_CHAR,offsetof(LoadPly_FaceAux,size) },
};
return qf[i];
}
static const PropDescriptor &TristripDesc(int i)
{
const static PropDescriptor qf[1]=
{
{"tristrips","vertex_indices", ply::T_INT, ply::T_INT, offsetof(LoadPly_TristripAux,v), 1,1,ply::T_INT,ply::T_INT,offsetof(LoadPly_TristripAux,size) },
};
return qf[i];
}
static const PropDescriptor &CameraDesc(int i)
{
const static PropDescriptor cad[23] =
{
{"camera","view_px",ply::T_FLOAT,ply::T_FLOAT,offsetof(LoadPly_Camera,view_px),0,0,0,0,0},
{"camera","view_py",ply::T_FLOAT,ply::T_FLOAT,offsetof(LoadPly_Camera,view_py),0,0,0,0,0},
{"camera","view_pz",ply::T_FLOAT,ply::T_FLOAT,offsetof(LoadPly_Camera,view_pz),0,0,0,0,0},
{"camera","x_axisx",ply::T_FLOAT,ply::T_FLOAT,offsetof(LoadPly_Camera,x_axisx),0,0,0,0,0},
{"camera","x_axisy",ply::T_FLOAT,ply::T_FLOAT,offsetof(LoadPly_Camera,x_axisy),0,0,0,0,0},
{"camera","x_axisz",ply::T_FLOAT,ply::T_FLOAT,offsetof(LoadPly_Camera,x_axisz),0,0,0,0,0},
{"camera","y_axisx",ply::T_FLOAT,ply::T_FLOAT,offsetof(LoadPly_Camera,y_axisx),0,0,0,0,0},
{"camera","y_axisy",ply::T_FLOAT,ply::T_FLOAT,offsetof(LoadPly_Camera,y_axisy),0,0,0,0,0},
{"camera","y_axisz",ply::T_FLOAT,ply::T_FLOAT,offsetof(LoadPly_Camera,y_axisz),0,0,0,0,0},
{"camera","z_axisx",ply::T_FLOAT,ply::T_FLOAT,offsetof(LoadPly_Camera,z_axisx),0,0,0,0,0},
{"camera","z_axisy",ply::T_FLOAT,ply::T_FLOAT,offsetof(LoadPly_Camera,z_axisy),0,0,0,0,0},
{"camera","z_axisz",ply::T_FLOAT,ply::T_FLOAT,offsetof(LoadPly_Camera,z_axisz),0,0,0,0,0},
{"camera","focal" ,ply::T_FLOAT,ply::T_FLOAT,offsetof(LoadPly_Camera,focal ),0,0,0,0,0},
{"camera","scalex" ,ply::T_FLOAT,ply::T_FLOAT,offsetof(LoadPly_Camera,scalex ),0,0,0,0,0},
{"camera","scaley" ,ply::T_FLOAT,ply::T_FLOAT,offsetof(LoadPly_Camera,scaley ),0,0,0,0,0},
{"camera","centerx",ply::T_FLOAT,ply::T_FLOAT,offsetof(LoadPly_Camera,centerx),0,0,0,0,0},
{"camera","centery",ply::T_FLOAT,ply::T_FLOAT,offsetof(LoadPly_Camera,centery),0,0,0,0,0},
{"camera","viewportx",ply::T_INT,ply::T_INT ,offsetof(LoadPly_Camera,viewportx),0,0,0,0,0},
{"camera","viewporty",ply::T_INT,ply::T_INT ,offsetof(LoadPly_Camera,viewporty),0,0,0,0,0},
{"camera","k1" ,ply::T_FLOAT,ply::T_FLOAT,offsetof(LoadPly_Camera,k1 ),0,0,0,0,0},
{"camera","k2" ,ply::T_FLOAT,ply::T_FLOAT,offsetof(LoadPly_Camera,k2 ),0,0,0,0,0},
{"camera","k3" ,ply::T_FLOAT,ply::T_FLOAT,offsetof(LoadPly_Camera,k3 ),0,0,0,0,0},
{"camera","k4" ,ply::T_FLOAT,ply::T_FLOAT,offsetof(LoadPly_Camera,k4 ),0,0,0,0,0}
};
return cad[i];
}
static int Open( OpenMeshType &m, const char * filename, CallBackPos *cb=0)
{
PlyInfo pi;
pi.cb=cb;
return Open(m, filename, pi);
}
static int Open( OpenMeshType &m, const char * filename, int & loadmask, CallBackPos *cb =0)
{
PlyInfo pi;
pi.mask=loadmask;
return Open(m, filename,pi);
loadmask=pi.mask;
}
static int Open( OpenMeshType &m, const char * filename, PlyInfo &pi )
{
assert(filename!=0);
vector<VertexPointer> index;
LoadPly_FaceAux fa;
LoadPly_TristripAux tsa;
LoadPly_VertAux<ScalarType> va;
pi.mask = 0;
bool multit = false; // true if texture has a per face int spec the texture index
va.flags = 42;
pi.status = ::vcg::ply::E_NOERROR;
// init defaults
VertexType tv;
tv.UberFlags() = 0;
if( VertexType::HasQuality() ) tv.Q()=1.0;
if( VertexType::HasColor() ) tv.C()=Color4b(Color4b::White);
FaceType tf;
tf.UberFlags() = 0;
if( FaceType::HasFaceQuality() ) tf.Q()=1.0;
if( FaceType::HasWedgeColor() ) tf.WC(0)=tf.WC(1)=tf.WC(2)=Color4b(Color4b::White);
if( FaceType::HasFaceColor() ) tf.C()=Color4b(Color4b::White);
// Descrittori delle strutture
//bool isvflags = false; // Il file contiene i flags
// The main descriptor of the ply file
vcg::ply::PlyFile pf;
// Open the file and parse the header
if( pf.Open(filename,vcg::ply::PlyFile::MODE_READ)==-1 )
{
pi.status = pf.GetError();
return -1;
}
pi.header = pf.GetHeader();
// Descrittori della camera
{ // Check that all the camera properties are present.
bool found = true;
for(int i=0;i<23;++i)
{
if( pf.AddToRead(CameraDesc(i))==-1 ) {
found = false;
break;
}
}
if(found) pi.mask |= PLYMask::PM_CAMERA;
}
// Descrittori dati standard (vertex coord e faces)
if( pf.AddToRead(VertDesc(0))==-1 ) { pi.status = E_NO_VERTEX; return -1; }
if( pf.AddToRead(VertDesc(1))==-1 ) { pi.status = E_NO_VERTEX; return -1; }
if( pf.AddToRead(VertDesc(2))==-1 ) { pi.status = E_NO_VERTEX; return -1; }
if( pf.AddToRead(FaceDesc(0))==-1 ) // Se fallisce si prova anche la sintassi di rapidform con index al posto di indices
if( pf.AddToRead(FaceDesc(9))==-1 )
if(pf.AddToRead(TristripDesc(0))==-1) // Se fallisce tutto si prova a vedere se ci sono tristrip alla levoy.
{ pi.status = E_NO_FACE; return -1; }
// Descrittori facoltativi dei flags
if( pf.AddToRead(VertDesc(3))!=-1 )
pi.mask |= PLYMask::PM_VERTFLAGS;
if( VertexType::HasQuality() )
{
if( pf.AddToRead(VertDesc(4))!=-1 ||
pf.AddToRead(VertDesc(8))!=-1 )
pi.mask |= PLYMask::PM_VERTQUALITY;
}
if( VertexType::HasColor() )
{
if( pf.AddToRead(VertDesc(5))!=-1 )
{
pf.AddToRead(VertDesc(6));
pf.AddToRead(VertDesc(7));
pi.mask |= PLYMask::PM_VERTCOLOR;
}
}
// se ci sono i flag per vertice ci devono essere anche i flag per faccia
if( pf.AddToRead(FaceDesc(1))!=-1 )
pi.mask |= PLYMask::PM_FACEFLAGS;
if( FaceType::HasFaceQuality())
{
if( pf.AddToRead(FaceDesc(2))!=-1 )
pi.mask |= PLYMask::PM_FACEQUALITY;
}
if( FaceType::HasFaceColor() )
{
if( pf.AddToRead(FaceDesc(6))!=-1 )
{
pf.AddToRead(FaceDesc(7));
pf.AddToRead(FaceDesc(8));
pi.mask |= PLYMask::PM_FACECOLOR;
}
}
if( FaceType::HasWedgeTexture() )
{
if( pf.AddToRead(FaceDesc(3))!=-1 )
{
if(pf.AddToRead(FaceDesc(5))==0) {
multit=true; // try to read also the multi texture indicies
pi.mask |= PLYMask::PM_WEDGTEXMULTI;
}
pi.mask |= PLYMask::PM_WEDGTEXCOORD;
}
}
if( FaceType::HasWedgeColor() || FaceType::HasFaceColor() || VertexType::HasColor())
{
if( pf.AddToRead(FaceDesc(4))!=-1 )
{
pi.mask |= PLYMask::PM_WEDGCOLOR;
}
}
// Descrittori definiti dall'utente,
vector<PropDescriptor> VPV(pi.vdn); // property descriptor relative al tipo LoadPly_VertexAux
vector<PropDescriptor> FPV(pi.fdn); // property descriptor relative al tipo LoadPly_FaceAux
if(pi.vdn>0){
// Compute the total size needed to load additional per vertex data.
size_t totsz=0;
for(int i=0;i<pi.vdn;i++){
VPV[i] = pi.VertexData[i];
VPV[i].offset1=offsetof(LoadPly_VertAux<ScalarType>,data)+totsz;
totsz+=pi.VertexData[i].memtypesize();
if( pf.AddToRead(VPV[i])==-1 ) { pi.status = pf.GetError(); return -1; }
}
if(totsz > MAX_USER_DATA)
{
pi.status = vcg::ply::E_BADTYPE;
return -1;
}
}
if(pi.fdn>0){
size_t totsz=0;
for(int i=0;i<pi.fdn;i++){
FPV[i] = pi.FaceData[i];
FPV[i].offset1=offsetof(LoadPly_FaceAux,data)+totsz;
totsz+=pi.FaceData[i].memtypesize();
if( pf.AddToRead(FPV[i])==-1 ) { pi.status = pf.GetError(); return -1; }
}
if(totsz > MAX_USER_DATA)
{
pi.status = vcg::ply::E_BADTYPE;
return -1;
}
}
/**************************************************************/
/* Main Reading Loop */
/**************************************************************/
m.Clear();
for(int i=0;i<int(pf.elements.size());i++)
{
int n = pf.ElemNumber(i);
if( !strcmp( pf.ElemName(i),"camera" ) )
{
pf.SetCurElement(i);
LoadPly_Camera ca;
for(int j=0;j<n;++j)
{
if( pf.Read( (void *)&(ca) )==-1 )
{
pi.status = E_SHORTFILE;
return -1;
}
//camera.valid = true;
//camera.view_p[0] = ca.view_px;
//camera.view_p[1] = ca.view_py;
//camera.view_p[2] = ca.view_pz;
//camera.x_axis[0] = ca.x_axisx;
//camera.x_axis[1] = ca.x_axisy;
//camera.x_axis[2] = ca.x_axisz;
//camera.y_axis[0] = ca.y_axisx;
//camera.y_axis[1] = ca.y_axisy;
//camera.y_axis[2] = ca.y_axisz;
//camera.z_axis[0] = ca.z_axisx;
//camera.z_axis[1] = ca.z_axisy;
//camera.z_axis[2] = ca.z_axisz;
//camera.f = ca.focal;
//camera.s[0] = ca.scalex;
//camera.s[1] = ca.scaley;
//camera.c[0] = ca.centerx;
//camera.c[1] = ca.centery;
//camera.viewport[0] = ca.viewportx;
//camera.viewport[1] = ca.viewporty;
//camera.k[0] = ca.k1;
//camera.k[1] = ca.k2;
//camera.k[2] = ca.k3;
//camera.k[3] = ca.k4;
}
}
else if( !strcmp( pf.ElemName(i),"vertex" ) )
{
int j;
pf.SetCurElement(i);
VertexIterator vi=Allocator<OpenMeshType>::AddVertices(m,n);
for(j=0;j<n;++j)
{
if(pi.cb && (j%1000)==0) pi.cb(j*50/n,"Vertex Loading");
(*vi).UberFlags()=0;
if( pf.Read( (void *)&(va) )==-1 )
{
pi.status = E_SHORTFILE;
return -1;
}
(*vi).P()[0] = va.p[0];
(*vi).P()[1] = va.p[1];
(*vi).P()[2] = va.p[2];
if( pi.mask & PLYMask::PM_VERTFLAGS )
(*vi).UberFlags() = va.flags;
if( pi.mask & PLYMask::PM_VERTQUALITY )
(*vi).Q() = va.q;
if( pi.mask & PLYMask::PM_VERTCOLOR )
{
(*vi).C()[0] = va.r;
(*vi).C()[1] = va.g;
(*vi).C()[2] = va.b;
(*vi).C()[3] = 255;
}
for(int k=0;k<pi.vdn;k++)
memcpy((char *)(&*vi) + pi.VertexData[k].offset1,
(char *)(&va) + VPV[k].offset1,
VPV[k].memtypesize());
++vi;
}
index.resize(n);
for(j=0,vi=m.vert.begin();j<n;++j,++vi)
index[j] = &*vi;
}
else if( !strcmp( pf.ElemName(i),"face") )/************************************************************/
{
int j;
FaceIterator fi=Allocator<OpenMeshType>::AddFaces(m,n);
pf.SetCurElement(i);
for(j=0;j<n;++j)
{
int k;
if(pi.cb && (j%1000)==0) pi.cb(50+j*50/n,"Face Loading");
if( pf.Read(&fa)==-1 )
{
pi.status = E_SHORTFILE;
return -1;
}
if(fa.size!=3)
{
pi.status = E_NO_3VERTINFACE;
return -1;
}
for(k=0;k<3;++k)
{
if( fa.v[k]<0 || fa.v[k]>=m.vn )
{
pi.status = E_BAD_VERT_INDEX;
return -1;
}
(*fi).V(k) = index[ fa.v[k] ];
}
if( pi.mask & PLYMask::PM_FACEFLAGS )
{
(*fi).UberFlags() = fa.flags;
}
if( pi.mask & PLYMask::PM_FACEQUALITY )
{
(*fi).Q() = fa.q;
}
if( pi.mask & PLYMask::PM_FACECOLOR )
{
(*fi).C()[0] = fa.r;
(*fi).C()[1] = fa.g;
(*fi).C()[2] = fa.b;
(*fi).C()[3] = 255;
}
if( pi.mask & PLYMask::PM_WEDGTEXCOORD )
{
for(int k=0;k<3;++k)
{
(*fi).WT(k).u() = fa.tcoord[k*2+0];
(*fi).WT(k).v() = fa.tcoord[k*2+1];
if(multit) (*fi).WT(k).n() = fa.tcoordind;
}
}
if( pi.mask & PLYMask::PM_WEDGCOLOR )
{
if(FaceType::HasWedgeColor()){
for(int k=0;k<3;++k)
{
(*fi).WC(k)[0] = (unsigned char)(fa.colors[k*3+0]*255);
(*fi).WC(k)[1] = (unsigned char)(fa.colors[k*3+1]*255);
(*fi).WC(k)[2] = (unsigned char)(fa.colors[k*3+2]*255);
}
}
if(FaceType::HasFaceColor()){
{
(*fi).C()[0] = (unsigned char)((fa.colors[0*3+0]*255+fa.colors[1*3+0]*255+fa.colors[2*3+0]*255)/3.0f);
(*fi).C()[1] = (unsigned char)((fa.colors[0*3+1]*255+fa.colors[1*3+1]*255+fa.colors[2*3+1]*255)/3.0f);
(*fi).C()[2] = (unsigned char)((fa.colors[0*3+2]*255+fa.colors[1*3+2]*255+fa.colors[2*3+2]*255)/3.0f);
}
}
}
for(k=0;k<pi.fdn;k++)
memcpy((char *)(&(*fi)) + pi.FaceData[k].offset1,
(char *)(&fa) + FPV[k].offset1,
FPV[k].memtypesize());
++fi;
}
}else if( !strcmp( pf.ElemName(i),"tristrips") )//////////////////// LETTURA TRISTRIP DI STANFORD
{
int j;
pf.SetCurElement(i);
int numvert_tmp = m.vert.size();
for(j=0;j<n;++j)
{
int k;
if(pi.cb && (j%1000)==0) pi.cb(50+j*50/n,"Tristrip Face Loading");
if( pf.Read(&tsa)==-1 )
{
pi.status = E_SHORTFILE;
return -1;
}
int remainder=0;
int startface=m.face.size();
for(k=0;k<tsa.size-2;++k)
{
if(pi.cb && (k%1000)==0) pi.cb(50+k*50/tsa.size,"Tristrip Face Loading");
if(tsa.v[k]<0 || tsa.v[k]>=numvert_tmp ) {
pi.status = E_BAD_VERT_INDEX;
return -1;
}
if(tsa.v[k+2]==-1)
{
k+=2;
if(k%2) remainder=0;
else remainder=1;
continue;
}
tf.V(0) = index[ tsa.v[k+0] ];
tf.V(1) = index[ tsa.v[k+1] ];
tf.V(2) = index[ tsa.v[k+2] ];
if((k+remainder)%2) swap (tf.V(0), tf.V(1) );
m.face.push_back( tf );
}
}
}
else
{
// Skippaggio elementi non gestiti
int n = pf.ElemNumber(i);
pf.SetCurElement(i);
for(int j=0;j<n;j++)
{
if( pf.Read(0)==-1)
{
pi.status = E_SHORTFILE;
return -1;
}
}
}
}
// // Parsing texture names
//textures.clear();
//normalmaps.clear();
//for(int co=0;co<int(pf.comments.size());++co)
//{
// const char * TFILE = "TextureFile";
// const char * NFILE = "TextureNormalFile";
// const char * c = pf.comments[co];
// char buf[256];
// int i,j,n;
// if( !strncmp(c,TFILE,strlen(TFILE)) )
// {
// strcpy(buf,c+strlen(TFILE)+1);
// n = strlen(buf);
// for(i=j=0;i<n;i++)
// if( buf[i]!=' ' && buf[i]!='\t' && buf[i]>32 && buf[i]<125 ) buf[j++] = buf[i];
//
// buf[j] = 0;
// char buf2[255];
// __interpret_texture_name( buf,filename,buf2 );
// textures.push_back( xstring(buf2) );
// }
// if( !strncmp(c,NFILE,strlen(NFILE)) )
// {
// strcpy(buf,c+strlen(NFILE)+1);
// n = strlen(buf);
// for(i=j=0;i<n;i++)
// if( buf[i]!=' ' && buf[i]!='\t' && buf[i]>32 && buf[i]<125 ) buf[j++] = buf[i];
//
// buf[j] = 0;
// char buf2[255];
// __interpret_texture_name( buf,filename,buf2 );
// normalmaps.push_back( xstring(buf2) );
// }
//}
// vn and fn should be correct but if someone wrongly saved some deleted elements they can be wrong.
m.vn = 0;
VertexIterator vi;
for(vi=m.vert.begin();vi!=m.vert.end();++vi)
if( ! (*vi).IsD() )
++m.vn;
m.fn = 0;
FaceIterator fi;
for(fi=m.face.begin();fi!=m.face.end();++fi)
if( ! (*fi).IsD() )
++m.fn;
return 0;
}
// Caricamento camera da un ply
int LoadCamera(const char * filename)
{
PlyFile pf;
if( pf.Open(filename,PlyFile::MODE_READ)==-1 )
{
pi.status = pf.GetError();
return -1;
}
bool found = true;
int i;
for(i=0;i<23;++i)
{
if( pf.AddToRead(CameraDesc(i))==-1 )
{
found = false;
break;
}
}
if(!found)
return -1;
for(i=0;i<int(pf.elements.size());i++)
{
int n = pf.ElemNumber(i);
if( !strcmp( pf.ElemName(i),"camera" ) )
{
pf.SetCurElement(i);
LoadPly_Camera ca;
for(int j=0;j<n;++j)
{
if( pf.Read( (void *)&(ca) )==-1 )
{
pi.status = E_SHORTFILE;
return -1;
}
camera.valid = true;
camera.view_p[0] = ca.view_px;
camera.view_p[1] = ca.view_py;
camera.view_p[2] = ca.view_pz;
camera.x_axis[0] = ca.x_axisx;
camera.x_axis[1] = ca.x_axisy;
camera.x_axis[2] = ca.x_axisz;
camera.y_axis[0] = ca.y_axisx;
camera.y_axis[1] = ca.y_axisy;
camera.y_axis[2] = ca.y_axisz;
camera.z_axis[0] = ca.z_axisx;
camera.z_axis[1] = ca.z_axisy;
camera.z_axis[2] = ca.z_axisz;
camera.f = ca.focal;
camera.s[0] = ca.scalex;
camera.s[1] = ca.scaley;
camera.c[0] = ca.centerx;
camera.c[1] = ca.centery;
camera.viewport[0] = ca.viewportx;
camera.viewport[1] = ca.viewporty;
camera.k[0] = ca.k1;
camera.k[1] = ca.k2;
camera.k[2] = ca.k3;
camera.k[3] = ca.k4;
}
break;
}
}
return 0;
}
bool LoadMask(const char * filename, int &mask)
{
mask=0;
PlyFile pf;
if( pf.Open(filename,PlyFile::MODE_READ)==-1 )
{
pi.status = pf.GetError();
return false;
}
if( pf.AddToRead(VertDesc(0))!=-1 &&
pf.AddToRead(VertDesc(1))!=-1 &&
pf.AddToRead(VertDesc(2))!=-1 ) mask |= PLYMask::PM_VERTCOORD;
if( pf.AddToRead(VertDesc(3))!=-1 ) mask |= PLYMask::PM_VERTFLAGS;
if( pf.AddToRead(VertDesc(4))!=-1 ) mask |= PLYMask::PM_VERTQUALITY;
if( pf.AddToRead(VertDesc(8))!=-1 ) mask |= PLYMask::PM_VERTQUALITY;
if( ( pf.AddToRead(VertDesc(5))!=-1 ) &&
( pf.AddToRead(VertDesc(6))!=-1 ) &&
( pf.AddToRead(VertDesc(7))!=-1 ) ) mask |= PLYMask::PM_VERTCOLOR;
if( pf.AddToRead(FaceDesc(0))!=-1 ) mask |= PLYMask::PM_FACEINDEX;
if( pf.AddToRead(FaceDesc(1))!=-1 ) mask |= PLYMask::PM_FACEFLAGS;
if( pf.AddToRead(FaceDesc(2))!=-1 ) mask |= PLYMask::PM_FACEQUALITY;
if( pf.AddToRead(FaceDesc(3))!=-1 ) mask |= PLYMask::PM_WEDGTEXCOORD;
if( pf.AddToRead(FaceDesc(5))!=-1 ) mask |= PLYMask::PM_WEDGTEXMULTI;
if( pf.AddToRead(FaceDesc(4))!=-1 ) mask |= PLYMask::PM_WEDGCOLOR;
if( ( pf.AddToRead(FaceDesc(6))!=-1 ) &&
( pf.AddToRead(FaceDesc(7))!=-1 ) &&
( pf.AddToRead(FaceDesc(8))!=-1 ) ) mask |= PLYMask::PM_FACECOLOR;
return true;
}
}; // end class
} // end namespace tri
} // end namespace io
} // end namespace vcg

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/****************************************************************************
* VCGLib o o *
* Visual and Computer Graphics Library o o *
* _ O _ *
* Copyright(C) 2004 \/)\/ *
* 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 $
****************************************************************************/
/**
@name Load and Save in Ply format
*/
//@{
#include<wrap/callback.h>
#include<wrap/ply/plylib.h>
namespace vcg {
namespace tri {
namespace io {
class PLYMask
{
public:
/*
Bitmask for specifying what data has to be loaded or saved or it is present in a given plyfile;
*/
enum {
PM_NONE = 0x0000,
PM_VERTCOORD = 0x0001,
PM_VERTFLAGS = 0x0002,
PM_VERTCOLOR = 0x0004,
PM_VERTQUALITY = 0x0008,
PM_VERTNORMAL = 0x0010,
PM_VERTTEXCOORD = 0x0020,
PM_FACEINDEX = 0x0040,
PM_FACEFLAGS = 0x0080,
PM_FACECOLOR = 0x0100,
PM_FACEQUALITY = 0x0200,
PM_FACENORMAL = 0x0400,
PM_WEDGCOLOR = 0x0800,
PM_WEDGTEXCOORD = 0x1000,
PM_WEDGTEXMULTI = 0x2000, // Se ha anche l'indice di texture esplicito
PM_WEDGNORMAL = 0x4000,
PM_CAMERA = 0x8000,
PM_FLAGS = PM_VERTFLAGS + PM_FACEFLAGS,
PM_ALL = 0xFFFF
};
static void SMFlags2String( int mask, char str[] )
{
str[0] = 0;
strcat(str,"V:");
if( mask & PM_VERTFLAGS ) strcat(str,"flag,");
if( mask & PM_VERTCOLOR ) strcat(str,"color,");
if( mask & PM_VERTQUALITY ) strcat(str,"quality,");
if( mask & PM_VERTTEXCOORD ) strcat(str,"tcoord,");
if( mask & PM_VERTNORMAL ) strcat(str,"normal,");
strcat(str," F:");
if( mask & PM_FACEFLAGS ) strcat(str,"mask,");
if( mask & PM_FACECOLOR ) strcat(str,"color,");
if( mask & PM_FACEQUALITY ) strcat(str,"quality,");
if( mask & PM_FACENORMAL ) strcat(str,"normal,");
strcat(str," W:");
if( mask & PM_WEDGCOLOR ) strcat(str,"color,");
if( mask & PM_WEDGTEXCOORD ) strcat(str,"tcoord,");
if( mask & PM_WEDGNORMAL ) strcat(str,"normal,");
if( mask & PM_CAMERA ) strcat(str," camera");
}
}; // end class
} // end namespace tri
} // end namespace io
} // end namespace vcg

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/****************************************************************************
* VCGLib o o *
* Visual and Computer Graphics Library o o *
* _ O _ *
* Copyright(C) 2004 \/)\/ *
* 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. *
* *
****************************************************************************/
/****************************************************************************
Acknowlegments
Portions of this file were based on the original code of the Ply library
of Greg Turk and on the work of Claudio Rocchini
****************************************************************************/
/****************************************************************************
History
$Log: not supported by cvs2svn $
****************************************************************************/
#ifndef __VCG_PLYLIB
#define __VCG_PLYLIB
#include <memory.h>
#include <vector>
#include <string>
namespace vcg {
namespace ply {
// Temporaneo
// Tipi di dato Supportati dal formato ply
enum PlyTypes {
T_NOTYPE,
T_CHAR,
T_SHORT,
T_INT,
T_UCHAR,
T_USHORT,
T_UINT,
T_FLOAT,
T_DOUBLE,
T_MAXTYPE
};
// Codici di errore riportati da GetError
enum PlyError {
E_NOERROR, // 0
// Errori di open
E_CANTOPEN, // 1
E_NOTHEADER, // 2
E_UNESPECTEDEOF, // 3
E_NOFORMAT, // 4
E_SYNTAX, // 5
E_PROPOUTOFELEMENT, // 6
E_BADTYPENAME, // 7
// Errori di addtoread
E_ELEMNOTFOUND, // 8
E_PROPNOTFOUND, // 9
E_BADTYPE, // 10
E_INCOMPATIBLETYPE, // 11
E_BADCAST, // 12
E_MAXPLYERRORS
};
// Tipi di formato di file
enum PlyFormat {
F_UNSPECIFIED,
F_ASCII,
F_BINLITTLE,
F_BINBIG
};
#ifdef USE_ZLIB
typedef void * GZFILE;
#else
typedef FILE * GZFILE;
#endif
// Messaggio di errore
extern const char * ply_error_msg[];
// TIPO FILE
// Descrittore esterno di propieta'
class PropDescriptor
{
public:
char * elemname; // Nome dell'elemento
char * propname; // Nome della propieta'
int stotype1; // Tipo dell'elemento su file (se lista tipo degli elementi della lista)
int memtype1; // Tipo dell'elemento in memoria (se lista tipo degli elementi della lista)
int offset1; // Offset del valore in memoria
int islist; // 1 se lista, 0 altrimenti
int alloclist; // 1 se alloca lista, 0 se preallocata
int stotype2; // Tipo del numero di elementi della lista su file
int memtype2; // Tipo del numero di elementi della lista in memoria
int offset2; // Offset valore memoria
int format; // duplicazione del formato
size_t stotypesize() const; // per sapere quanto e'grande un dato descrittore sul file
size_t memtypesize() const; // per sapere quanto e'grande un dato descrittore in memoria
const char *memtypename() const;
const char *stotypename() const;
};
// Callback di lettura
typedef bool (* readelemcb) ( GZFILE fp, void * mem, PropDescriptor * p );
class PlyProperty
{
public:
inline PlyProperty()
{
tipo = 0;
islista = 0;
tipoindex = 0;
bestored = 0;
}
inline PlyProperty( const char * na, int ti, int isl, int t2 )
{
assert(na);
assert(ti>0);
assert(ti<T_MAXTYPE);
assert( t2>0 || (t2==0 && isl==0) );
assert(t2<T_MAXTYPE);
name = std::string(na);
tipo = ti;
islista = isl;
tipoindex = t2;
bestored = 0;
}
std::string name; // Nome della propieta'
int tipo; // Tipo di dato
int islista; // Vero se e' una lista
int tipoindex; // Tipo del contatore della lista
int bestored; // 1 se va storata
PropDescriptor desc; // Descrittore di memorizzazione
readelemcb cb; // Callback di lettura
};
class PlyElement
{
public:
inline PlyElement()
{
number = 0;
}
inline PlyElement( const char * na, int nu )
{
assert(na);
assert(nu>=0);
name = std::string(na);
number = nu;
}
inline void SetName( const char * na )
{
name = std::string(na);
}
inline void SetNumbert( int nu )
{
assert(nu>0);
number = nu;
}
void AddProp( const char * na, int ti, int isl, int t2 );
int AddToRead(
const char * propname,
int stotype1,
int memtype1,
int offset1,
int islist,
int alloclist,
int stotype2,
int memtype2,
int offset2
); // Vedi struttura PropDescriptor
PlyProperty * FindProp( const char * name );
std::string name; // Nome dell'elemento
int number; // Numero di elementi di questo tipo
std::vector<PlyProperty> props; // Vettore dinamico delle property
};
class PlyFile
{
private:
void compile( PlyElement * e );
void compile( PlyProperty * p );
public:
// Modi di apertura
enum {
MODE_READ,
MODE_WRITE
};
PlyFile();
~PlyFile();
// Apre un file ply
int Open( const char * filename, int mode );
// Chiude un file e disalloca la memoria
void Destroy();
// Ritorna il codice dell'ultimo errore
inline int GetError() const { return error; }
// Definizione di lettura (Vedi struttura PropDescriptor)
int AddToRead(
const char * elemname,
const char * propname,
int stotype1,
int memtype1,
int offset1,
int islist,
int alloclist,
int stotype2,
int memtype2,
int offset2
);
// Come sopra ma con descrittore
inline int AddToRead( const PropDescriptor & p )
{
return AddToRead(p.elemname,p.propname,p.stotype1,
p.memtype1,p.offset1,p.islist,p.alloclist,p.stotype2,
p.memtype2,p.offset2
);
}
// Ritorna il numero di oggetti di un tipo di elemento
const char * ElemName( int i );
int ElemNumber( int i ) const;
// Setta il tipo di elemento corrente per effetture
// la lettura
inline void SetCurElement( int i )
{
if(i<0 || i>=int(elements.size())) cure = 0;
else
{
cure = &(elements[i]);
compile(cure);
}
}
// Lettura du un elemento
int Read( void * mem );
std::vector<PlyElement> elements; // Vettore degli elementi
std::vector<std::string> comments; // Vettore dei commenti
static const char * typenames[9];
static const char * newtypenames[9];
inline const char * GetHeader() const { return header; }
protected:
GZFILE gzfp;
float version; // Versione del file
int error; // Errore corrente (vedi enum)
int format; // Formato del file (vedi enum )
char header[4096]; // Testo dell'header
PlyElement * cure; // Elemento da leggere
// Callback di lettura: vale ReadBin o ReadAcii
int (* ReadCB)( GZFILE fp, const PlyProperty * r, void * mem, int fmt );
int OpenRead( const char * filename );
int OpenWrite( const char * filename );
PlyElement * AddElement( const char * name, int number );
int FindType( const char * name ) const;
PlyElement * FindElement( const char * name );
};
}
}
#endif

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//****************** Gestione cache *****************
const int MAXBPATH = 256;
static bool GetDirFromPath( const char * path, char * dir, char * name )
{
strcpy(dir,path);
char * p;
p = strrchr(dir,'\\');
if(p==0) p=strrchr(dir,'/');
if(p==0)
{
dir[0] = 0;
strcpy(name,path);
}
else
{
strcpy(name,p+1);
*p = 0;
}
return true;
}
static bool CheckCacheDirectory( const char * dir )
{
if( pb_access(dir,0)!=0 )
{
if( pb_mkdir(dir)==-1 )
return false;
}
return true;
}
bool CheckCacheTime( const char * fname, const char * cname )
{
if( pb_access(fname,4)==-1 ) return false;
if( pb_access(cname,4)==-1 ) return false;
int h,r;
struct pb_stat st;
time_t ft,bt;
h = pb_open(fname,_O_BINARY|_O_RDONLY);
if(h==0) return false;
r = _fstat(h,&st);
pb_close(h);
if(r==-1) return false;
ft = st.st_mtime;
h = pb_open(cname,_O_BINARY|_O_RDONLY);
if(h==0) return false;
r = _fstat(h,&st);
//_read(h,&box,sizeof(box));
pb_close(h);
if(r==-1) return false;
bt = st.st_mtime;
if( difftime(bt,ft)>=0 ) return true;
else return false;
}
// restituisce true se il file con la cache del bbox della mesh e' piu' recente del file ply
// se fname2 != 0, allora deve essere piu recente anche di fname2.
static bool CheckBBoxCache( const char * fname, Box3d & box, char *fname2=0 )
{
char d[MAXBPATH];
char n[MAXBPATH];
char h[8];
// Estrazione dati
if( ! GetDirFromPath(fname,d,n) ) return false;
// Controllo esistenza directory delle cache
if(d[0]!=0)
strcat(d,"\\");
strcat(d,cachedir);
if( !CheckCacheDirectory(d) ) return false;
// Controllo esistenza e data file cache
strcat(d,"\\");
strcat(d,n);
strcat(d,bboxcacheext);
if( CheckCacheTime(fname,d) &&
(fname2==0 || CheckCacheTime(fname2,d)) )
{
// Lettura bbox e controllo
FILE * fp = fopen(d,"rb");
if(fp==0) return false;
if( fread(h,1,8,fp)!=8 )
{
fclose(fp);
return false;
}
if( fread(&box,sizeof(Box3d),1,fp)!=1 )
{
fclose(fp);
return false;
}
fclose(fp);
if( strncmp(h,bboxheader,8) )
return false;
else
return true;
}
else
return false;
}
bool GetCacheName( const char * fname, const char * ext_name, char * cname )
{
static char n[MAXBPATH];
// Estrazione dati
if( ! GetDirFromPath(fname,cname,n) ) return false;
// Controllo esistenza directory delle cache
if(cname[0]!=0)
strcat(cname,"\\");
strcat(cname,cachedir);
if( !CheckCacheDirectory(cname) ) return false;
strcat(cname,"\\");
strcat(cname,n);
strcat(cname,ext_name);
return true;
}
static bool SaveBBoxCache( const char * fname, const Box3d & box )
{
char d[MAXBPATH];
if( !GetCacheName(fname,bboxcacheext,d) )
return false;
// Lettura bbox e controllo
FILE * fp = fopen(d,"wb");
if(fp==0) return false;
if( fwrite(bboxheader,1,8,fp)!=8 )
{
fclose(fp);
return false;
}
if( fwrite(&box,sizeof(Box3d),1,fp)!=1 )
{
fclose(fp);
return false;
}
fclose(fp);
return true;
}
struct PlyPoint3d
{
double x;
double y;
double z;
};
// Calcola il bbox di un file ply
bool ScanBBox( const char * fname, Box3d & box, bool use_cache )
{
if(use_cache)
{
if( CheckBBoxCache(fname,box) )
return true;
}
static const PropDescriptor pv[3]=
{
{"vertex","x",T_FLOAT,T_DOUBLE,offsetof(PlyPoint3d,x),0,0,0,0,0},
{"vertex","y",T_FLOAT,T_DOUBLE,offsetof(PlyPoint3d,y),0,0,0,0,0},
{"vertex","z",T_FLOAT,T_DOUBLE,offsetof(PlyPoint3d,z),0,0,0,0,0},
};
PlyFile pf;
if( pf.Open(fname,PlyFile::MODE_READ)==-1 )
{
fprintf(stderr,"Warning: File %s not found\n",fname);
return false;
}
if( pf.AddToRead(pv[0])==-1 ) { fprintf(stderr,"Warning: Read error\n"); return false; }
if( pf.AddToRead(pv[1])==-1 ) { fprintf(stderr,"Warning: Read error\n"); return false; }
if( pf.AddToRead(pv[2])==-1 ) { fprintf(stderr,"Warning: Read error\n"); return false; }
box.SetNull();
char dummyspace[1024]; // sperando basti...
for(int i=0;i<int(pf.elements.size());++i)
{
int n = pf.ElemNumber(i);
pf.SetCurElement(i);
if( !strcmp( pf.ElemName(i),"vertex" ) )
{
for(int j=0;j<n;++j)
{
PlyPoint3d t;
pf.Read( (void *)(&t) );
box.Add( Point3d(t.x,t.y,t.z) );
}
}
else
{
for(int j=0;j<n;++j)
//pf.Read( 0 ); // prima era cosi' e faceva un'assert e scrivema plausibilimente a caso in mem
pf.Read( dummyspace );
}
}
if(use_cache)
{
SaveBBoxCache(fname,box);
}
return true;
}
// Come la precedente ma applica la matrice m ai punti prima di calcolare il bbox.
// Visto che la matrice di solito e' tenuta in un qualche file, se si vuole usare la cache
// si puo' passare anche un'altro filename da controllare
bool ScanBBox( const char * fname, Box3d & box, const Matrix44d & m, bool use_cache, char *matrixfname)
{
if(use_cache)
{
if ( CheckBBoxCache(fname,box,matrixfname) ) return true;
}
static const PropDescriptor pv[3]=
{
{"vertex","x",T_FLOAT,T_DOUBLE,offsetof(PlyPoint3d,x),0,0,0,0,0},
{"vertex","y",T_FLOAT,T_DOUBLE,offsetof(PlyPoint3d,y),0,0,0,0,0},
{"vertex","z",T_FLOAT,T_DOUBLE,offsetof(PlyPoint3d,z),0,0,0,0,0},
};
PlyFile pf;
if( pf.Open(fname,PlyFile::MODE_READ)==-1 )
{
fprintf(stderr,"Warning: File %s not found\n",fname);
return false;
}
if( pf.AddToRead(pv[0])==-1 ) { fprintf(stderr,"Warning: Read error\n"); return false; }
if( pf.AddToRead(pv[1])==-1 ) { fprintf(stderr,"Warning: Read error\n"); return false; }
if( pf.AddToRead(pv[2])==-1 ) { fprintf(stderr,"Warning: Read error\n"); return false; }
box.SetNull();
char dummyspace[1024]; // sperando basti...
for(int i=0;i<int(pf.elements.size());++i)
{
int n = pf.ElemNumber(i);
pf.SetCurElement(i);
if( !strcmp( pf.ElemName(i),"vertex" ) )
{
for(int j=0;j<n;++j)
{
PlyPoint3d t;
pf.Read( (void *)(&t) );
box.Add( m.Apply( Point3d(t.x,t.y,t.z) ) );
}
}
else
{
for(int j=0;j<n;++j)
//pf.Read( 0 ); // prima era cosi' e faceva un'assert e scrivema plausibilimente a caso in mem
pf.Read( dummyspace );
}
}
if(use_cache)
{
SaveBBoxCache(fname,box);
}
return true;
}
void __interpret_texture_name(const char*a, const char*fn, char*output){
int ia=0,io=0;
output[0]=0;
while (a[ia]!=0){
if (a[ia]=='<') {
if (strlen(a)>ia+5) {
if ( ( (a[ia+1]=='t') || (a[ia+1]=='T') ) &&
( (a[ia+2]=='h') || (a[ia+2]=='H') ) &&
( (a[ia+3]=='i') || (a[ia+3]=='I') ) &&
( (a[ia+4]=='s') || (a[ia+4]=='S') ) &&
( a[ia+5]=='>' ) )
{
// substitute "<this>" with filename:
// 1) remove path from filename
int lastbar=0;
int ifn=0;
while (fn[ifn]!=0) { if ((fn[ifn]=='/') || (fn[ifn]=='\\')) lastbar=ifn+1; ifn++;}
ifn=lastbar;
char fn2[255];
while (fn[ifn]!=0) { fn2[ifn-lastbar]=fn[ifn]; ifn++;}
fn2[ifn-lastbar]=0;
// 2) remove ".ply" extention from filename
int l=ifn-lastbar;
if ((fn2[l-4]=='.')
&& ((fn2[l-3]=='P') || (fn2[l-3]=='p'))
&& ((fn2[l-2]=='L') || (fn2[l-2]=='l'))
&& ((fn2[l-1]=='Y') || (fn2[l-1]=='y')) )
fn2[l-4]=0;
// 3) append
output[io]=0;
sprintf(output,"%s%s",output,fn2);
io=strlen(output);
ia+=6; //skip the "<this>"
continue;
};
}
}
output[io++]=a[ia++];
};
output[io]=0;
};