imagelist.cc
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1 /*
2  * This file is part of the rc_genicam_api package.
3  *
4  * Copyright (c) 2017 Roboception GmbH
5  * All rights reserved
6  *
7  * Author: Heiko Hirschmueller
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright notice,
13  * this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright notice,
16  * this list of conditions and the following disclaimer in the documentation
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18  *
19  * 3. Neither the name of the copyright holder nor the names of its contributors
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22  *
23  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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34  */
35 
36 #include "imagelist.h"
37 
38 #include <algorithm>
39 
40 namespace rcg
41 {
42 
43 ImageList::ImageList(size_t _maxsize)
44 {
45  maxsize=std::max(static_cast<size_t>(1), _maxsize);
46 }
47 
48 void ImageList::add(const std::shared_ptr<const Image> &image)
49 {
50  list.push_back(image);
51 
52  while (list.size() > maxsize)
53  {
54  list.erase(list.begin());
55  }
56 }
57 
58 void ImageList::add(const Buffer *buffer, uint32_t part)
59 {
60  list.push_back(std::shared_ptr<const Image>(new Image(buffer, part)));
61 
62  while (list.size() > maxsize)
63  {
64  list.erase(list.begin());
65  }
66 }
67 
68 void ImageList::removeOld(uint64_t timestamp)
69 {
70  size_t i=0;
71 
72  while (i < list.size())
73  {
74  if (list[i]->getTimestampNS() <= timestamp)
75  {
76  list.erase(list.begin()+static_cast<int>(i));
77  }
78  else
79  {
80  i++;
81  }
82  }
83 }
84 
85 uint64_t ImageList::getOldestTime() const
86 {
87  uint64_t ret=0;
88 
89  if (list.size() > 0)
90  {
91  ret=list[0]->getTimestampNS();
92  }
93 
94  return ret;
95 }
96 
97 std::shared_ptr<const Image> ImageList::find(uint64_t timestamp) const
98 {
99  for (size_t i=0; i<list.size(); i++)
100  {
101  if (list[i]->getTimestampNS() == timestamp)
102  {
103  return list[i];
104  }
105  }
106 
107  return std::shared_ptr<const Image>();
108 }
109 
110 std::shared_ptr<const Image> ImageList::find(uint64_t timestamp, uint64_t tolerance) const
111 {
112  if (tolerance > 0)
113  {
114  for (size_t i=0; i<list.size(); i++)
115  {
116  if (list[i]->getTimestampNS() >= timestamp-tolerance &&
117  list[i]->getTimestampNS() <= timestamp+tolerance)
118  {
119  return list[i];
120  }
121  }
122  }
123  else
124  {
125  return find(timestamp);
126  }
127 
128  return std::shared_ptr<const Image>();
129 }
130 
131 }
The image class encapsulates image information.
Definition: image.h:55
std::shared_ptr< const Image > find(uint64_t timestamp) const
Returns the image that has the given timestamp.
Definition: imagelist.cc:97
size_t maxsize
Definition: imagelist.h:129
void removeOld(uint64_t timestamp)
Removes all images that have a timestamp that is older or equal than the given timestamp.
Definition: imagelist.cc:68
The buffer class encapsulates a Genicam buffer that is provided by a stream.
Definition: buffer.h:115
void add(const std::shared_ptr< const Image > &image)
Adds the given image to the internal list.
Definition: imagelist.cc:48
uint64_t getOldestTime() const
Get oldest timestamp of the list.
Definition: imagelist.cc:85
std::vector< std::shared_ptr< const Image > > list
Definition: imagelist.h:130
Definition: buffer.cc:42
ImageList(size_t maxsize=25)
Create an image list.
Definition: imagelist.cc:43


rc_genicam_api
Author(s): Heiko Hirschmueller
autogenerated on Thu Jun 6 2019 19:10:54