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Open Source Computer Vision Library
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73 lines
2.4 KiB
73 lines
2.4 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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#include "common.h" |
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#include "saving.h" |
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#include "nn_index.h" |
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#include <cstdio> |
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namespace cvflann |
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{ |
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const char FLANN_SIGNATURE[] = "FLANN_INDEX"; |
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void save_header(FILE* stream, const NNIndex& index) |
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{ |
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IndexHeader header; |
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memset(header.signature, 0 , sizeof(header.signature)); |
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strcpy(header.signature, FLANN_SIGNATURE); |
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header.flann_version = (int)FLANN_VERSION; |
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header.index_type = index.getType(); |
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header.rows = index.size(); |
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header.cols = index.veclen(); |
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std::fwrite(&header, sizeof(header),1,stream); |
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} |
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IndexHeader load_header(FILE* stream) |
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{ |
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IndexHeader header; |
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int read_size = (int)fread(&header,sizeof(header),1,stream); |
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if (read_size!=1) { |
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throw FLANNException("Invalid index file, cannot read"); |
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} |
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if (strcmp(header.signature,FLANN_SIGNATURE)!=0) { |
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throw FLANNException("Invalid index file, wrong signature"); |
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} |
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return header; |
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} |
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}
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