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comparison Framework/Volumes/ImageBuffer3D.h @ 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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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 #pragma once
34
35 #include "../Enumerations.h"
36 #include "../Toolbox/IThreadSafety.h"
37 #include "../Toolbox/SliceGeometry.h"
38 #include "../Toolbox/ParallelSlices.h"
39
40 #include "../Orthanc/Core/Images/Image.h"
41
42 #include <boost/thread/shared_mutex.hpp>
43
44 #if defined(_WIN32)
45 # include <boost/thread/win32/mutex.hpp>
46 #endif
47
48 namespace OrthancStone
49 {
50 class ImageBuffer3D : public IThreadSafe
51 {
52 private:
53 typedef boost::shared_mutex Mutex;
54 typedef boost::unique_lock<Mutex> WriteLock;
55 typedef boost::shared_lock<Mutex> ReadLock;
56
57 Mutex mutex_;
58 SliceGeometry axialGeometry_;
59 Vector voxelDimensions_;
60 Orthanc::Image image_;
61 Orthanc::PixelFormat format_;
62 unsigned int width_;
63 unsigned int height_;
64 unsigned int depth_;
65
66 Orthanc::ImageAccessor GetAxialSliceAccessor(unsigned int slice,
67 bool readOnly);
68
69 Orthanc::ImageAccessor GetCoronalSliceAccessor(unsigned int slice,
70 bool readOnly);
71
72 Orthanc::Image* ExtractSagittalSlice(unsigned int slice) const;
73
74 public:
75 ImageBuffer3D(Orthanc::PixelFormat format,
76 unsigned int width,
77 unsigned int height,
78 unsigned int depth);
79
80 void Clear();
81
82 // Set the geometry of the first axial slice (i.e. the one whose
83 // depth == 0)
84 void SetAxialGeometry(const SliceGeometry& geometry);
85
86 void SetVoxelDimensions(double x,
87 double y,
88 double z);
89
90 Vector GetVoxelDimensions(VolumeProjection projection);
91
92 void GetSliceSize(unsigned int& width,
93 unsigned int& height,
94 VolumeProjection projection);
95
96 unsigned int GetWidth() const
97 {
98 return width_;
99 }
100
101 unsigned int GetHeight() const
102 {
103 return height_;
104 }
105
106 unsigned int GetDepth() const
107 {
108 return depth_;
109 }
110
111 Orthanc::PixelFormat GetFormat() const
112 {
113 return format_;
114 }
115
116 ParallelSlices* GetGeometry(VolumeProjection projection);
117
118
119 class SliceReader : public boost::noncopyable
120 {
121 private:
122 ReadLock lock_;
123 Orthanc::ImageAccessor accessor_;
124 std::auto_ptr<Orthanc::Image> sagittal_; // Unused for axial and coronal
125
126 public:
127 SliceReader(ImageBuffer3D& that,
128 VolumeProjection projection,
129 unsigned int slice);
130
131 const Orthanc::ImageAccessor& GetAccessor() const
132 {
133 return accessor_;
134 }
135 };
136
137
138 class SliceWriter : public boost::noncopyable
139 {
140 private:
141 WriteLock lock_;
142 Orthanc::ImageAccessor accessor_;
143 std::auto_ptr<Orthanc::Image> sagittal_; // Unused for axial and coronal
144
145 void Flush();
146
147 public:
148 SliceWriter(ImageBuffer3D& that,
149 VolumeProjection projection,
150 unsigned int slice);
151
152 ~SliceWriter()
153 {
154 Flush();
155 }
156
157 Orthanc::ImageAccessor& GetAccessor()
158 {
159 return accessor_;
160 }
161 };
162 };
163 }