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| 1 | /***********************************************************************
|
|---|---|
| 2 | * Software License Agreement (BSD License) |
| 3 | * |
| 4 | * Copyright 2008-2009 Marius Muja ([email protected]). All rights reserved. |
| 5 | * Copyright 2008-2009 David G. Lowe ([email protected]). All rights reserved. |
| 6 | * |
| 7 | * THE BSD LICENSE |
| 8 | * |
| 9 | * Redistribution and use in source and binary forms, with or without |
| 10 | * modification, are permitted provided that the following conditions |
| 11 | * are met: |
| 12 | * |
| 13 | * 1. Redistributions of source code must retain the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer. |
| 15 | * 2. Redistributions in binary form must reproduce the above copyright |
| 16 | * notice, this list of conditions and the following disclaimer in the |
| 17 | * documentation and/or other materials provided with the distribution. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 20 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 21 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 22 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 23 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 24 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 25 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 26 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 27 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 28 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 29 | *************************************************************************/ |
| 30 | |
| 31 | #ifndef _OPENCV_DATASET_H_
|
| 32 | #define _OPENCV_DATASET_H_
|
| 33 | |
| 34 | #include <stdio.h> |
| 35 | |
| 36 | #include "opencv2/flann/general.h" |
| 37 | |
| 38 | |
| 39 | namespace cvflann |
| 40 | {
|
| 41 | |
| 42 | /**
|
| 43 | * Class that implements a simple rectangular matrix stored in a memory buffer and |
| 44 | * provides convenient matrix-like access using the [] operators. |
| 45 | */ |
| 46 | template <typename T> |
| 47 | class Matrix {
|
| 48 | public:
|
| 49 | size_t rows; |
| 50 | size_t cols; |
| 51 | T* data; |
| 52 | |
| 53 | Matrix() : rows(0), cols(0), data(NULL) |
| 54 | {
|
| 55 | } |
| 56 | |
| 57 | Matrix(T* data_, long rows_, long cols_) : |
| 58 | rows(rows_), cols(cols_), data(data_) |
| 59 | {
|
| 60 | } |
| 61 | |
| 62 | /**
|
| 63 | * Convenience function for deallocating the storage data. |
| 64 | */ |
| 65 | void release()
|
| 66 | {
|
| 67 | if (data!=NULL) delete[] data; |
| 68 | } |
| 69 | |
| 70 | ~Matrix() |
| 71 | {
|
| 72 | } |
| 73 | |
| 74 | /**
|
| 75 | * Operator that return a (pointer to a) row of the data. |
| 76 | */ |
| 77 | T* operator[](size_t index) |
| 78 | {
|
| 79 | return data+index*cols;
|
| 80 | } |
| 81 | |
| 82 | T* operator[](size_t index) const
|
| 83 | {
|
| 84 | return data+index*cols;
|
| 85 | } |
| 86 | }; |
| 87 | |
| 88 | |
| 89 | class UntypedMatrix |
| 90 | {
|
| 91 | public:
|
| 92 | size_t rows; |
| 93 | size_t cols; |
| 94 | void* data;
|
| 95 | flann_datatype_t type; |
| 96 | |
| 97 | UntypedMatrix(void* data_, long rows_, long cols_) : |
| 98 | rows(rows_), cols(cols_), data(data_) |
| 99 | {
|
| 100 | } |
| 101 | |
| 102 | ~UntypedMatrix() |
| 103 | {
|
| 104 | } |
| 105 | |
| 106 | |
| 107 | template<typename T> |
| 108 | Matrix<T> as() |
| 109 | {
|
| 110 | return Matrix<T>((T*)data, rows, cols);
|
| 111 | } |
| 112 | }; |
| 113 | |
| 114 | |
| 115 | |
| 116 | } // namespace cvflann
|
| 117 | |
| 118 | #endif //_OPENCV_DATASET_H_ |
