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Added managment of face color in saving off files

This commit is contained in:
Paolo Cignoni 2014-10-29 22:24:45 +00:00
parent 54875ffa0a
commit 7364bbdb61
1 changed files with 119 additions and 118 deletions
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237
wrap/io_trimesh/export_off.h
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@ -36,145 +36,146 @@
namespace vcg { namespace vcg {
namespace tri { namespace tri {
namespace io { namespace io {
template <class SaveMeshType> template <class SaveMeshType>
class ExporterOFF class ExporterOFF
{ {
public: public:
typedef typename SaveMeshType::VertexPointer VertexPointer; typedef typename SaveMeshType::VertexPointer VertexPointer;
typedef typename SaveMeshType::ScalarType ScalarType; typedef typename SaveMeshType::ScalarType ScalarType;
typedef typename SaveMeshType::VertexType VertexType; typedef typename SaveMeshType::VertexType VertexType;
typedef typename SaveMeshType::FaceType FaceType; typedef typename SaveMeshType::FaceType FaceType;
typedef typename SaveMeshType::FacePointer FacePointer; typedef typename SaveMeshType::FacePointer FacePointer;
typedef typename SaveMeshType::VertexIterator VertexIterator; typedef typename SaveMeshType::VertexIterator VertexIterator;
typedef typename SaveMeshType::FaceIterator FaceIterator; typedef typename SaveMeshType::FaceIterator FaceIterator;
static int Save(SaveMeshType &m, const char * filename, int mask=0 ) static int Save(SaveMeshType &m, const char * filename, int mask=0 )
{ {
vcg::face::Pos<FaceType> he; vcg::face::Pos<FaceType> he;
vcg::face::Pos<FaceType> hei; vcg::face::Pos<FaceType> hei;
FILE * fpout = fopen(filename,"w"); FILE * fpout = fopen(filename,"w");
if(fpout==NULL) return 1; // 1 is the error code for cant'open, see the ErrorMsg function if(fpout==NULL) return 1; // 1 is the error code for cant'open, see the ErrorMsg function
if( tri::HasPerVertexColor(m) && (mask & io::Mask::IOM_VERTNORMAL))
fprintf(fpout,"N");
if( tri::HasPerVertexColor(m) && (mask & io::Mask::IOM_VERTCOLOR))
fprintf(fpout,"C");
if( tri::HasPerVertexTexCoord(m) && (mask & io::Mask::IOM_VERTTEXCOORD))
fprintf(fpout,"ST");
fprintf(fpout,"OFF\n");
if( tri::HasPerVertexColor(m) && (mask & io::Mask::IOM_VERTNORMAL)) int polynumber;
fprintf(fpout,"N"); if (mask &io::Mask::IOM_BITPOLYGONAL)
if( tri::HasPerVertexColor(m) && (mask & io::Mask::IOM_VERTCOLOR)) polynumber = tri::Clean<SaveMeshType>::CountBitLargePolygons(m);
fprintf(fpout,"C"); else
if( tri::HasPerVertexTexCoord(m) && (mask & io::Mask::IOM_VERTTEXCOORD)) polynumber = m.fn;
fprintf(fpout,"ST");
fprintf(fpout,"OFF\n");
int polynumber; fprintf(fpout,"%d %d 0\n", m.vn, polynumber); // note that as edge number we simply write zero
if (mask &io::Mask::IOM_BITPOLYGONAL)
polynumber = tri::Clean<SaveMeshType>::CountBitLargePolygons(m);
else
polynumber = m.fn;
fprintf(fpout,"%d %d 0\n", m.vn, polynumber); // note that as edge number we simply write zero //vertices
typename SaveMeshType::FaceIterator fi; int j;
std::vector<int> FlagV;
VertexPointer vp;
VertexIterator vi;
for(j=0,vi=m.vert.begin();vi!=m.vert.end();++vi)
{
vp=&(*vi);
FlagV.push_back(vp->Flags()); // Save vertex flags
if( ! vp->IsD() )
{ // ***** ASCII *****
//vertices fprintf(fpout,"%g %g %g " ,vp->P()[0],vp->P()[1],vp->P()[2]);
int j; if( tri::HasPerVertexColor(m) && (mask & io::Mask::IOM_VERTCOLOR) )
std::vector<int> FlagV; fprintf(fpout,"%d %d %d %d ",vp->C()[0],vp->C()[1],vp->C()[2],vp->C()[3] );
VertexPointer vp;
VertexIterator vi;
for(j=0,vi=m.vert.begin();vi!=m.vert.end();++vi)
{
vp=&(*vi);
FlagV.push_back(vp->Flags()); // Save vertex flags
if( ! vp->IsD() )
{ // ***** ASCII *****
fprintf(fpout,"%g %g %g " ,vp->P()[0],vp->P()[1],vp->P()[2]); if( tri::HasPerVertexNormal(m) && (mask & io::Mask::IOM_VERTNORMAL) )
if( tri::HasPerVertexColor(m) && (mask & io::Mask::IOM_VERTCOLOR) ) fprintf(fpout,"%g %g %g ", vp->N()[0],vp->N()[1],vp->N()[2]);
fprintf(fpout,"%d %d %d %d ",vp->C()[0],vp->C()[1],vp->C()[2],vp->C()[3] );
if( tri::HasPerVertexColor(m) && (mask & io::Mask::IOM_VERTNORMAL) ) if( tri::HasPerVertexTexCoord(m) && (mask & io::Mask::IOM_VERTTEXCOORD) )
fprintf(fpout,"%g %g %g ", vp->N()[0],vp->N()[1],vp->N()[2]); fprintf(fpout,"%g %g ",vp->T().u(),vp->T().v());
if( tri::HasPerVertexTexCoord(m) && (mask & io::Mask::IOM_VERTTEXCOORD) ) fprintf(fpout,"\n");
fprintf(fpout,"%g %g ",vp->T().u(),vp->T().v());
fprintf(fpout,"\n");
vp->Flags()=j; // Trucco! Nascondi nei flags l'indice del vertice non deletato! vp->Flags()=j; // Trucco! Nascondi nei flags l'indice del vertice non deletato!
j++; j++;
} }
} }
assert(j==m.vn); assert(j==m.vn);
if (mask &io::Mask::IOM_BITPOLYGONAL) { if (mask &io::Mask::IOM_BITPOLYGONAL) {
tri::RequireFFAdjacency(m); tri::RequireFFAdjacency(m);
std::vector<VertexPointer> polygon; std::vector<VertexPointer> polygon;
tri::UpdateFlags<SaveMeshType>::FaceClearV(m); tri::UpdateFlags<SaveMeshType>::FaceClearV(m);
for(fi=m.face.begin();fi!=m.face.end();++fi) if (!fi->IsD()) if (!fi->IsV()) { for(FaceIterator fi=m.face.begin();fi!=m.face.end();++fi) if (!fi->IsD()) if (!fi->IsV()) {
vcg::tri::PolygonSupport<SaveMeshType,SaveMeshType>::ExtractPolygon(&*fi,polygon); vcg::tri::PolygonSupport<SaveMeshType,SaveMeshType>::ExtractPolygon(&*fi,polygon);
if(!polygon.empty()) if(!polygon.empty())
{
fprintf(fpout,"%d ", int(polygon.size()) );
for (size_t i=0; i<polygon.size(); i++) fprintf(fpout,"%d ", polygon[i]->Flags() );
fprintf(fpout,"\n");
}
}
}
else {
for(fi=m.face.begin();fi!=m.face.end();++fi)
{
FacePointer fp=&(*fi);
if( ! fp->IsD() )
{ fprintf(fpout,"3 %d %d %d\n",
fp->cV(0)->Flags(), fp->cV(1)->Flags(), fp->cV(2)->Flags() );
}
}
}
fclose(fpout);
// Recupera i flag originali
j=0;
for(vi=m.vert.begin();vi!=m.vert.end();++vi)
(*vi).Flags()=FlagV[j++];
return 0;
}
static const char *ErrorMsg(int error)
{ {
static std::vector<std::string> off_error_msg; fprintf(fpout,"%d ", int(polygon.size()) );
if(off_error_msg.empty()) for (size_t i=0; i<polygon.size(); i++) fprintf(fpout,"%d ", polygon[i]->Flags() );
{ fprintf(fpout,"\n");
off_error_msg.resize(2 );
off_error_msg[0]="No errors";
off_error_msg[1]="Can't open file";
}
if(error>1 || error<0) return "Unknown error";
else return off_error_msg[error].c_str();
} }
/* }
}
else {
for(FaceIterator fi=m.face.begin();fi!=m.face.end();++fi)
{
if( ! fi->IsD() )
{
if( tri::HasPerFaceColor(m) && (mask & io::Mask::IOM_FACECOLOR) )
fprintf(fpout,"3 %d %d %d %i %i %i\n", fi->cV(0)->Flags(), fi->cV(1)->Flags(), fi->cV(2)->Flags(), fi->C()[0],fi->C()[1],fi->C()[2] );
else
fprintf(fpout,"3 %d %d %d\n", fi->cV(0)->Flags(), fi->cV(1)->Flags(), fi->cV(2)->Flags() );
}
}
}
fclose(fpout);
// Recupera i flag originali
j=0;
for(vi=m.vert.begin();vi!=m.vert.end();++vi)
(*vi).Flags()=FlagV[j++];
return 0;
}
static const char *ErrorMsg(int error)
{
static std::vector<std::string> off_error_msg;
if(off_error_msg.empty())
{
off_error_msg.resize(2 );
off_error_msg[0]="No errors";
off_error_msg[1]="Can't open file";
}
if(error>1 || error<0) return "Unknown error";
else return off_error_msg[error].c_str();
}
/*
returns mask of capability one define with what are the saveable information of the format. returns mask of capability one define with what are the saveable information of the format.
*/ */
static int GetExportMaskCapability() static int GetExportMaskCapability()
{ {
int capability = 0; int capability = 0;
capability |= vcg::tri::io::Mask::IOM_VERTCOORD; capability |= vcg::tri::io::Mask::IOM_VERTCOORD;
capability |= vcg::tri::io::Mask::IOM_VERTCOLOR; capability |= vcg::tri::io::Mask::IOM_VERTCOLOR;
capability |= vcg::tri::io::Mask::IOM_VERTTEXCOORD; capability |= vcg::tri::io::Mask::IOM_VERTTEXCOORD;
capability |= vcg::tri::io::Mask::IOM_FACEINDEX; capability |= vcg::tri::io::Mask::IOM_FACEINDEX;
capability |= vcg::tri::io::Mask::IOM_BITPOLYGONAL; capability |= vcg::tri::io::Mask::IOM_FACECOLOR;
return capability; capability |= vcg::tri::io::Mask::IOM_BITPOLYGONAL;
} return capability;
}
}; // end class }; // end class
} // end namespace tri } // end namespace tri
} // end namespace io } // end namespace io
} // end namespace vcg } // end namespace vcg
//@} //@}
#endif #endif