vcglib/apps/nexus/vchain.cpp

101 lines
2.9 KiB
C++

#include "vchain.h"
#include <stdio.h>
#include <iostream>
using namespace std;
using namespace vcg;
using namespace nxs;
bool VChain::Save(const string &file) {
FILE *fp = fopen(file.c_str(), "wb+");
if(!fp) {
cerr << "Could not save vchain data.\n";
return false;
}
unsigned int nlevels = size();
fwrite(&nlevels, sizeof(unsigned int), 1, fp);
for(unsigned int i = 0; i < nlevels; i++) {
VPartition &level = operator[](i);
unsigned int npoints = level.size();
fwrite(&npoints, sizeof(unsigned int), 1, fp);
fwrite(&(level[0]), sizeof(Point3f), npoints, fp);
}
//writing fragments
unsigned int nfrag = newfragments.size();
fwrite(&nfrag, sizeof(unsigned int), 1, fp);
std::map<unsigned int, std::set<unsigned int> >::iterator j;
for(j = newfragments.begin(); j != newfragments.end(); j++) {
unsigned int n = (*j).second.size();
fwrite(&((*j).first), sizeof(unsigned int), 1, fp);
fwrite(&n, sizeof(unsigned int), 1, fp);
set<unsigned int>::iterator k;
for(k = (*j).second.begin(); k != (*j).second.end(); k++)
fwrite(&*k, sizeof(unsigned int), 1, fp);
}
nfrag = oldfragments.size();
fwrite(&nfrag, sizeof(unsigned int), 1, fp);
for(j = oldfragments.begin(); j != oldfragments.end(); j++) {
unsigned int n = (*j).second.size();
fwrite(&((*j).first), sizeof(unsigned int), 1, fp);
fwrite(&n, sizeof(unsigned int), 1, fp);
set<unsigned int>::iterator k;
for(k = (*j).second.begin(); k != (*j).second.end(); k++)
fwrite(&*k, sizeof(unsigned int), 1, fp);
}
fclose(fp);
return true;
}
bool VChain::Load(const string &file) {
FILE *fp = fopen(file.c_str(), "rb");
if(!fp) {
cerr << "Could not load vchain data\n";
return false;
}
unsigned int nlevels;
fread(&nlevels, sizeof(unsigned int), 1, fp);
for(unsigned int i = 0; i < nlevels; i++) {
push_back(VPartition());
VPartition &level = back();
unsigned int npoints;
fread(&npoints, sizeof(unsigned int), 1, fp);
level.resize(npoints);
fread(&(level[0]), sizeof(Point3f), npoints, fp);
level.Init();
}
//reading fragments
unsigned int nfrag;
fread(&nfrag, sizeof(unsigned int), 1, fp);
for(unsigned int i = 0; i < nfrag; i++) {
unsigned int p, n;
fread(&p, sizeof(unsigned int), 1, fp);
set<unsigned int> &s = newfragments[p];
fread(&n, sizeof(unsigned int), 1, fp);
for(unsigned int k = 0; k < n; k++) {
unsigned int j;
fread(&j, sizeof(unsigned int), 1, fp);
s.insert(j);
}
}
fread(&nfrag, sizeof(unsigned int), 1, fp);
for(unsigned int i = 0; i < nfrag; i++) {
unsigned int p, n;
fread(&p, sizeof(unsigned int), 1, fp);
set<unsigned int> &s = oldfragments[p];
fread(&n, sizeof(unsigned int), 1, fp);
for(unsigned int k = 0; k < n; k++) {
unsigned int j;
fread(&j, sizeof(unsigned int), 1, fp);
s.insert(j);
}
}
fclose(fp);
return true;
}