3dpcp/.svn/pristine/c5/c534f07a501beff69157749c0ec6b05b7fdc64a8.svn-base
2012-09-16 14:33:11 +02:00

70 lines
1.9 KiB
Text

/*
* frame_io implementation
*
* Copyright (C) Thomas Escher, Kai Lingemann
*
* Released under the GPL version 3.
*
*/
#include "scanserver/frame_io.h"
#include <vector>
#include <boost/filesystem/operations.hpp>
#include <boost/filesystem/fstream.hpp>
using namespace boost::filesystem;
#define FRAMES_PATH_PREFIX "scan"
#define FRAMES_PATH_SUFFIX ".frames"
void FrameIO::loadFile(const char* dir, const char* identifier, FrameVector& frames)
{
// assemble path and check for existence
path frames_path(dir);
frames_path /= (std::string(FRAMES_PATH_PREFIX) + identifier + FRAMES_PATH_SUFFIX);
if(!exists(frames_path)) return;
// read the file
ifstream frames_file(frames_path);
std::vector<double> transformations;
double dvalue;
unsigned int uivalue;
std::vector<unsigned int> types;
while(frames_file.good()) {
unsigned int i;
for(i = 0; i < 16 && frames_file.good(); ++i) {
frames_file >> dvalue;
transformations.push_back(dvalue);
}
// sanity check if no more values were read
if(i != 16) break;
frames_file >> uivalue;
types.push_back(uivalue);
}
frames_file.close();
// allocate shared memory for the frames and move the values in there
unsigned int s = types.size();
frames.resize(s);
for(unsigned int i = 0; i < s; ++i)
frames[i].set(&(transformations[i*16]), types[i]);
}
void FrameIO::saveFile(const char* dir, const char* identifier, const FrameVector& frames)
{
// assemble path
path frames_path(dir);
frames_path /= (std::string(FRAMES_PATH_PREFIX) + identifier + FRAMES_PATH_SUFFIX);
// write into the file
ofstream frames_file(frames_path);
for(FrameVector::const_iterator it = frames.begin(); it != frames.end(); ++it) {
for(unsigned int i = 0; i < 16; ++i)
frames_file << it->transformation[i] << " ";
frames_file << it->type << std::endl;
}
frames_file.close();
}