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