Mercurial > hg > orthanc-stone

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

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
integration of Orthanc core into Stone
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 23 Mar 2018 11:04:03 +0100
parents
children
comparison
equal deleted inserted replaced
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 #include "../OrthancException.h"
38
39 #include <limits>
40
41 namespace Orthanc
42 {
43 template <PixelFormat format,
44 typename _PixelType>
45 struct IntegerPixelTraits
46 {
47 typedef _PixelType PixelType;
48
49 ORTHANC_FORCE_INLINE
50 static PixelFormat GetPixelFormat()
51 {
52 return format;
53 }
54
55 ORTHANC_FORCE_INLINE
56 static PixelType IntegerToPixel(int64_t value)
57 {
58 if (value < static_cast<int64_t>(std::numeric_limits<PixelType>::min()) ||
59 value > static_cast<int64_t>(std::numeric_limits<PixelType>::max()))
60 {
61 throw OrthancException(ErrorCode_ParameterOutOfRange);
62 }
63 else
64 {
65 return static_cast<PixelType>(value);
66 }
67 }
68
69 ORTHANC_FORCE_INLINE
70 static void SetZero(PixelType& target)
71 {
72 target = 0;
73 }
74
75 ORTHANC_FORCE_INLINE
76 static void SetMinValue(PixelType& target)
77 {
78 target = std::numeric_limits<PixelType>::min();
79 }
80
81 ORTHANC_FORCE_INLINE
82 static void SetMaxValue(PixelType& target)
83 {
84 target = std::numeric_limits<PixelType>::max();
85 }
86
87 ORTHANC_FORCE_INLINE
88 static void Copy(PixelType& target,
89 const PixelType& source)
90 {
91 target = source;
92 }
93
94 ORTHANC_FORCE_INLINE
95 static float PixelToFloat(const PixelType& source)
96 {
97 return static_cast<float>(source);
98 }
99
100 ORTHANC_FORCE_INLINE
101 static void FloatToPixel(PixelType& target,
102 float value)
103 {
104 if (value < static_cast<float>(std::numeric_limits<PixelType>::min()))
105 {
106 target = std::numeric_limits<PixelType>::min();
107 }
108 else if (value > static_cast<float>(std::numeric_limits<PixelType>::max()))
109 {
110 target = std::numeric_limits<PixelType>::max();
111 }
112 else
113 {
114 target = static_cast<PixelType>(value);
115 }
116 }
117
118 ORTHANC_FORCE_INLINE
119 static bool IsEqual(const PixelType& a,
120 const PixelType& b)
121 {
122 return a == b;
123 }
124 };
125
126
127 template <PixelFormat Format>
128 struct PixelTraits;
129
130
131 template <>
132 struct PixelTraits<PixelFormat_Grayscale8> :
133 public IntegerPixelTraits<PixelFormat_Grayscale8, uint8_t>
134 {
135 };
136
137
138 template <>
139 struct PixelTraits<PixelFormat_Grayscale16> :
140 public IntegerPixelTraits<PixelFormat_Grayscale16, uint16_t>
141 {
142 };
143
144
145 template <>
146 struct PixelTraits<PixelFormat_SignedGrayscale16> :
147 public IntegerPixelTraits<PixelFormat_SignedGrayscale16, int16_t>
148 {
149 };
150
151
152 template <>
153 struct PixelTraits<PixelFormat_RGB24>
154 {
155 struct PixelType
156 {
157 uint8_t red_;
158 uint8_t green_;
159 uint8_t blue_;
160 };
161
162 ORTHANC_FORCE_INLINE
163 static PixelFormat GetPixelFormat()
164 {
165 return PixelFormat_RGB24;
166 }
167
168 ORTHANC_FORCE_INLINE
169 static void SetZero(PixelType& target)
170 {
171 target.red_ = 0;
172 target.green_ = 0;
173 target.blue_ = 0;
174 }
175
176 ORTHANC_FORCE_INLINE
177 static void Copy(PixelType& target,
178 const PixelType& source)
179 {
180 target.red_ = source.red_;
181 target.green_ = source.green_;
182 target.blue_ = source.blue_;
183 }
184
185 ORTHANC_FORCE_INLINE
186 static bool IsEqual(const PixelType& a,
187 const PixelType& b)
188 {
189 return (a.red_ == b.red_ &&
190 a.green_ == b.green_ &&
191 a.blue_ == b.blue_);
192 }
193
194 ORTHANC_FORCE_INLINE
195 static void FloatToPixel(PixelType& target,
196 float value)
197 {
198 uint8_t v;
199 PixelTraits<PixelFormat_Grayscale8>::FloatToPixel(v, value);
200
201 target.red_ = v;
202 target.green_ = v;
203 target.blue_ = v;
204 }
205 };
206
207
208 template <>
209 struct PixelTraits<PixelFormat_BGRA32>
210 {
211 struct PixelType
212 {
213 uint8_t blue_;
214 uint8_t green_;
215 uint8_t red_;
216 uint8_t alpha_;
217 };
218
219 ORTHANC_FORCE_INLINE
220 static PixelFormat GetPixelFormat()
221 {
222 return PixelFormat_BGRA32;
223 }
224
225 ORTHANC_FORCE_INLINE
226 static void SetZero(PixelType& target)
227 {
228 target.blue_ = 0;
229 target.green_ = 0;
230 target.red_ = 0;
231 target.alpha_ = 0;
232 }
233
234 ORTHANC_FORCE_INLINE
235 static void Copy(PixelType& target,
236 const PixelType& source)
237 {
238 target.blue_ = source.blue_;
239 target.green_ = source.green_;
240 target.red_ = source.red_;
241 target.alpha_ = source.alpha_;
242 }
243
244 ORTHANC_FORCE_INLINE
245 static bool IsEqual(const PixelType& a,
246 const PixelType& b)
247 {
248 return (a.blue_ == b.blue_ &&
249 a.green_ == b.green_ &&
250 a.red_ == b.red_ &&
251 a.alpha_ == b.alpha_);
252 }
253
254 ORTHANC_FORCE_INLINE
255 static void FloatToPixel(PixelType& target,
256 float value)
257 {
258 uint8_t v;
259 PixelTraits<PixelFormat_Grayscale8>::FloatToPixel(v, value);
260
261 target.blue_ = v;
262 target.green_ = v;
263 target.red_ = v;
264 target.alpha_ = 255;
265 }
266 };
267 }