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comparison Resources/Orthanc/Core/Images/ImageAccessor.h @ 200:03afbee0cc7b

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integration of Orthanc core into Stone
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 23 Mar 2018 11:04:03 +0100
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199:dabe9982fca3 200:03afbee0cc7b
1 /**
2 * Orthanc - A Lightweight, RESTful DICOM Store
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2018 Osimis S.A., Belgium
6 *
7 * This program is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
11 *
12 * In addition, as a special exception, the copyright holders of this
13 * program give permission to link the code of its release with the
14 * OpenSSL project's "OpenSSL" library (or with modified versions of it
15 * that use the same license as the "OpenSSL" library), and distribute
16 * the linked executables. You must obey the GNU General Public License
17 * in all respects for all of the code used other than "OpenSSL". If you
18 * modify file(s) with this exception, you may extend this exception to
19 * your version of the file(s), but you are not obligated to do so. If
20 * you do not wish to do so, delete this exception statement from your
21 * version. If you delete this exception statement from all source files
22 * in the program, then also delete it here.
23 *
24 * This program is distributed in the hope that it will be useful, but
25 * WITHOUT ANY WARRANTY; without even the implied warranty of
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
27 * General Public License for more details.
28 *
29 * You should have received a copy of the GNU General Public License
30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
31 **/
32
33
34 #pragma once
35
36 #include "../Enumerations.h"
37
38 #include <string>
39 #include <stdint.h>
40
41 namespace Orthanc
42 {
43 class ImageAccessor
44 {
45 private:
46 template <Orthanc::PixelFormat Format>
47 friend struct ImageTraits;
48
49 bool readOnly_;
50 PixelFormat format_;
51 unsigned int width_;
52 unsigned int height_;
53 unsigned int pitch_;
54 uint8_t *buffer_;
55
56 template <typename T>
57 const T& GetPixelUnchecked(unsigned int x,
58 unsigned int y) const
59 {
60 const uint8_t* row = reinterpret_cast<const uint8_t*>(buffer_) + y * pitch_;
61 return reinterpret_cast<const T*>(row) [x];
62 }
63
64
65 template <typename T>
66 T& GetPixelUnchecked(unsigned int x,
67 unsigned int y)
68 {
69 uint8_t* row = reinterpret_cast<uint8_t*>(buffer_) + y * pitch_;
70 return reinterpret_cast<T*>(row) [x];
71 }
72
73 public:
74 ImageAccessor()
75 {
76 AssignEmpty(PixelFormat_Grayscale8);
77 }
78
79 virtual ~ImageAccessor()
80 {
81 }
82
83 bool IsReadOnly() const
84 {
85 return readOnly_;
86 }
87
88 PixelFormat GetFormat() const
89 {
90 return format_;
91 }
92
93 unsigned int GetBytesPerPixel() const
94 {
95 return ::Orthanc::GetBytesPerPixel(format_);
96 }
97
98 unsigned int GetWidth() const
99 {
100 return width_;
101 }
102
103 unsigned int GetHeight() const
104 {
105 return height_;
106 }
107
108 unsigned int GetPitch() const
109 {
110 return pitch_;
111 }
112
113 unsigned int GetSize() const
114 {
115 return GetHeight() * GetPitch();
116 }
117
118 const void* GetConstBuffer() const
119 {
120 return buffer_;
121 }
122
123 void* GetBuffer() const;
124
125 const void* GetConstRow(unsigned int y) const;
126
127 void* GetRow(unsigned int y) const;
128
129 void AssignEmpty(PixelFormat format);
130
131 void AssignReadOnly(PixelFormat format,
132 unsigned int width,
133 unsigned int height,
134 unsigned int pitch,
135 const void *buffer);
136
137 void AssignWritable(PixelFormat format,
138 unsigned int width,
139 unsigned int height,
140 unsigned int pitch,
141 void *buffer);
142
143 void ToMatlabString(std::string& target) const;
144
145 ImageAccessor GetRegion(unsigned int x,
146 unsigned int y,
147 unsigned int width,
148 unsigned int height) const;
149
150 void SetFormat(PixelFormat format);
151 };
152 }