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Open Source Computer Vision Library
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87 lines
2.5 KiB
87 lines
2.5 KiB
/*********************************************************************** |
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* Software License Agreement (BSD License) |
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* |
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* Copyright 2008-2009 Marius Muja (mariusm@cs.ubc.ca). All rights reserved. |
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* Copyright 2008-2009 David G. Lowe (lowe@cs.ubc.ca). All rights reserved. |
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* |
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* THE BSD LICENSE |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*************************************************************************/ |
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#ifndef SAVING_H_ |
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#define SAVING_H_ |
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#include "constants.h" |
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#include "nn_index.h" |
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namespace cvflann |
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{ |
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/** |
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* Structure representing the index header. |
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*/ |
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struct IndexHeader |
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{ |
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char signature[16]; |
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int flann_version; |
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flann_algorithm_t index_type; |
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int rows; |
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int cols; |
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}; |
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/** |
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* Saves index header to stream |
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* |
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* @param stream - Stream to save to |
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* @param index - The index to save |
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*/ |
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void save_header(FILE* stream, const NNIndex& index); |
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/** |
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* |
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* @param stream - Stream to load from |
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* @return Index header |
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*/ |
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IndexHeader load_header(FILE* stream); |
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template<typename T> |
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void save_value(FILE* stream, const T& value, int count = 1) |
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{ |
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fwrite(&value, sizeof(value),count, stream); |
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} |
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template<typename T> |
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void load_value(FILE* stream, T& value, int count = 1) |
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{ |
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int read_cnt = (int)fread(&value, sizeof(value),count, stream); |
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if (read_cnt!=count) { |
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throw FLANNException("Cannot read from file"); |
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} |
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} |
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} |
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#endif /* SAVING_H_ */
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