1 /****************************************************************************
2  *
3  * ViSP, open source Visual Servoing Platform software.
4  * Copyright (C) 2005 - 2019 by Inria. All rights reserved.
5  *
6  * This software is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  * See the file LICENSE.txt at the root directory of this source
11  * distribution for additional information about the GNU GPL.
12  *
13  * For using ViSP with software that can not be combined with the GNU
14  * GPL, please contact Inria about acquiring a ViSP Professional
15  * Edition License.
16  *
17  * See http://visp.inria.fr for more information.
18  *
19  * This software was developed at:
20  * Inria Rennes - Bretagne Atlantique
21  * Campus Universitaire de Beaulieu
22  * 35042 Rennes Cedex
23  * France
24  *
25  * If you have questions regarding the use of this file, please contact
26  * Inria at visp@inria.fr
27  *
28  * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
29  * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
30  *
31  * Description:
32  * Image storage helper.
33  *
34  *****************************************************************************/
35 
36 #ifndef vpImageStorageWorker_h
37 #define vpImageStorageWorker_h
38 
39 #include <visp3/core/vpConfig.h>
40 
41 #if (VISP_CXX_STANDARD >= VISP_CXX_STANDARD_11)
42 
43 #include <visp3/io/vpImageQueue.h>
44 #include <visp3/io/vpImageIo.h>
45 
46 /*!
47   \class vpImageStorageWorker
48 
49   \ingroup group_io_image
50 
51   Save data contained in an vpImageQueue.
52 
53 */
54 template <class Type>
55 class vpImageStorageWorker {
56 public:
57   /*!
58    * Constructor.
59    * \param[in] queue : A reference to a queue.
60    */
vpImageStorageWorker(vpImageQueue<Type> & queue)61   vpImageStorageWorker(vpImageQueue<Type> &queue)
62     : m_queue(queue), m_dataname(""), m_cpt(1), m_ofs_data(), m_data_file_created(false)
63   {
64     m_seqname = queue.getSeqName();
65     m_record_mode = queue.getRecordingMode();
66   }
67 
68   /*!
69    * Thread main loop that save the images and additional data.
70    */
run()71   void run()
72   {
73     try {
74       vpImage<Type> I;
75       std::string data;
76       char filename[FILENAME_MAX];
77 
78       for (;;) {
79         m_queue.pop(I, data);
80 
81         // Save image
82         sprintf(filename, m_seqname.c_str(), m_cpt);
83 
84         if (m_record_mode > 0) { // Single image
85           std::cout << "Save image: " << filename << std::endl;
86         }
87         else if (m_cpt == 1) {
88           std::cout << "Started sequence saving: " << m_seqname << std::endl;
89         }
90         vpImageIo::write(I, filename);
91 
92         if (! data.empty()) {
93           if (! m_data_file_created) {
94             std::string parent = vpIoTools::getParent(m_seqname);
95             if (! parent.empty()) {
96               m_dataname = vpIoTools::getParent(m_seqname) + "/";
97             }
98             m_dataname += vpIoTools::getNameWE(m_seqname);
99             m_dataname += ".txt";
100 
101             std::cout << "Create data file: " << m_dataname<< std::endl;
102             m_ofs_data.open(m_dataname);
103 
104             m_data_file_created = true;
105           }
106           m_ofs_data << vpIoTools::getName(filename) << " " << data << std::endl;
107         }
108 
109         m_cpt ++;
110       }
111     } catch (const vpImageQueue<vpRGBa>::cancelled &) {
112       std::cout << "Receive cancel during color image saving." << std::endl;
113       if (m_data_file_created) {
114         std::cout << "Close data file: " << m_dataname << std::endl;
115         m_ofs_data.close();
116       }
117     } catch (const vpImageQueue<unsigned char>::cancelled &) {
118       std::cout << "Receive cancel during gray image saving." << std::endl;
119       if (m_data_file_created) {
120         std::cout << "Close data file: " << m_dataname << std::endl;
121         m_ofs_data.close();
122       }
123     }
124   }
125 
126 private:
127   vpImageQueue<Type> &m_queue;
128   std::string m_seqname;
129   std::string m_dataname;
130   int m_record_mode;
131   unsigned int m_cpt;
132   std::ofstream m_ofs_data;
133   bool m_data_file_created;
134 };
135 
136 #endif
137 #endif
138