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comparison Framework/Volumes/VolumeImageSimplePolicy.cpp @ 0:351ab0da0150

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initial commit
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 14 Oct 2016 15:34:11 +0200
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children ff1e935768e7
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-1:000000000000 0:351ab0da0150
1 /**
2 * Stone of Orthanc
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 *
6 * This program is free software: you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation, either version 3 of the
9 * License, or (at your option) any later version.
10 *
11 * In addition, as a special exception, the copyright holders of this
12 * program give permission to link the code of its release with the
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
14 * that use the same license as the "OpenSSL" library), and distribute
15 * the linked executables. You must obey the GNU General Public License
16 * in all respects for all of the code used other than "OpenSSL". If you
17 * modify file(s) with this exception, you may extend this exception to
18 * your version of the file(s), but you are not obligated to do so. If
19 * you do not wish to do so, delete this exception statement from your
20 * version. If you delete this exception statement from all source files
21 * in the program, then also delete it here.
22 *
23 * This program is distributed in the hope that it will be useful, but
24 * WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
26 * General Public License for more details.
27 *
28 * You should have received a copy of the GNU General Public License
29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
30 **/
31
32
33 #include "VolumeImageSimplePolicy.h"
34
35 #include "../Orthanc/Core/Images/ImageProcessing.h"
36
37 namespace OrthancStone
38 {
39 void VolumeImageSimplePolicy::InitializeInternal(ImageBuffer3D& buffer,
40 ISeriesLoader& loader)
41 {
42 boost::mutex::scoped_lock lock(mutex_);
43
44 const size_t depth = loader.GetGeometry().GetSliceCount();
45 pendingSlices_.clear();
46
47 for (size_t i = 0; i < depth; i++)
48 {
49 pendingSlices_.insert(i);
50 }
51
52 doneSlices_.clear();
53 doneSlices_.resize(depth, false);
54 }
55
56
57 bool VolumeImageSimplePolicy::DownloadStepInternal(bool& complete,
58 ImageBuffer3D& buffer,
59 ISeriesLoader& loader)
60 {
61 size_t slice;
62
63 {
64 boost::mutex::scoped_lock lock(mutex_);
65
66 if (pendingSlices_.empty())
67 {
68 return true;
69 }
70 else
71 {
72 slice = *pendingSlices_.begin();
73 pendingSlices_.erase(slice);
74 }
75 }
76
77 std::auto_ptr<Orthanc::ImageAccessor> frame;
78
79 try
80 {
81 frame.reset(loader.DownloadFrame(slice));
82 }
83 catch (Orthanc::OrthancException&)
84 {
85 // The Orthanc server cannot decode this instance
86 return false;
87 }
88
89 if (frame.get() != NULL)
90 {
91 {
92 ImageBuffer3D::SliceWriter writer(buffer, VolumeProjection_Axial, slice);
93 Orthanc::ImageProcessing::Convert(writer.GetAccessor(), *frame);
94 }
95
96 {
97 boost::mutex::scoped_lock lock(mutex_);
98
99 doneSlices_[slice] = true;
100
101 if (pendingSlices_.empty())
102 {
103 complete = true;
104 return true;
105 }
106 }
107 }
108
109 return false;
110 }
111
112
113 bool VolumeImageSimplePolicy::IsFullQualityAxial(size_t slice)
114 {
115 boost::mutex::scoped_lock lock(mutex_);
116 return doneSlices_[slice];
117 }
118 }