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comparison Core/Images/PixelTraits.h @ 2487:be1dbb1dcdd6

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PixelTraits and ImageTraits
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 13 Mar 2018 16:29:20 +0100
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children e91bab2d8c75
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2486:ad8f30fc28d1 2487:be1dbb1dcdd6
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
39 namespace Orthanc
40 {
41 template <PixelFormat Format>
42 struct PixelTraits;
43
44
45 template <>
46 struct PixelTraits<PixelFormat_Grayscale8>
47 {
48 typedef uint8_t PixelType;
49
50 ORTHANC_FORCE_INLINE
51 static PixelFormat GetPixelFormat()
52 {
53 return PixelFormat_Grayscale8;
54 }
55
56 ORTHANC_FORCE_INLINE
57 static void SetZero(PixelType& target)
58 {
59 target = 0;
60 }
61
62 ORTHANC_FORCE_INLINE
63 static void Copy(PixelType& target,
64 const PixelType& source)
65 {
66 target = source;
67 }
68
69 ORTHANC_FORCE_INLINE
70 static float PixelToFloat(const PixelType& source)
71 {
72 return static_cast<float>(source);
73 }
74
75 ORTHANC_FORCE_INLINE
76 static void FloatToPixel(PixelType& target,
77 float value)
78 {
79 target = static_cast<uint8_t>(value);
80 }
81
82 ORTHANC_FORCE_INLINE
83 static bool IsEqual(const PixelType& a,
84 const PixelType& b)
85 {
86 return a == b;
87 }
88 };
89
90
91 template <>
92 struct PixelTraits<PixelFormat_Grayscale16>
93 {
94 typedef uint16_t PixelType;
95
96 ORTHANC_FORCE_INLINE
97 static PixelFormat GetPixelFormat()
98 {
99 return PixelFormat_Grayscale16;
100 }
101
102 ORTHANC_FORCE_INLINE
103 static void SetZero(PixelType& target)
104 {
105 target = 0;
106 }
107
108 ORTHANC_FORCE_INLINE
109 static void Copy(PixelType& target,
110 const PixelType& source)
111 {
112 target = source;
113 }
114
115 ORTHANC_FORCE_INLINE
116 static float PixelToFloat(const PixelType& source)
117 {
118 return static_cast<float>(source);
119 }
120
121 ORTHANC_FORCE_INLINE
122 static void FloatToPixel(PixelType& target,
123 float value)
124 {
125 target = static_cast<uint16_t>(value);
126 }
127
128 ORTHANC_FORCE_INLINE
129 static bool IsEqual(const PixelType& a,
130 const PixelType& b)
131 {
132 return a == b;
133 }
134 };
135
136
137 template <>
138 struct PixelTraits<PixelFormat_SignedGrayscale16>
139 {
140 typedef int16_t PixelType;
141
142 ORTHANC_FORCE_INLINE
143 static PixelFormat GetPixelFormat()
144 {
145 return PixelFormat_SignedGrayscale16;
146 }
147
148 ORTHANC_FORCE_INLINE
149 static void SetZero(PixelType& target)
150 {
151 target = 0;
152 }
153
154 ORTHANC_FORCE_INLINE
155 static void Copy(PixelType& target,
156 const PixelType& source)
157 {
158 target = source;
159 }
160
161 ORTHANC_FORCE_INLINE
162 static float PixelToFloat(const PixelType& source)
163 {
164 return static_cast<float>(source);
165 }
166
167 ORTHANC_FORCE_INLINE
168 static void FloatToPixel(PixelType& target,
169 float value)
170 {
171 target = static_cast<int16_t>(value);
172 }
173
174 ORTHANC_FORCE_INLINE
175 static bool IsEqual(const PixelType& a,
176 const PixelType& b)
177 {
178 return a == b;
179 }
180 };
181
182
183 template <>
184 struct PixelTraits<PixelFormat_RGB24>
185 {
186 struct PixelType
187 {
188 uint8_t red_;
189 uint8_t green_;
190 uint8_t blue_;
191 };
192
193 ORTHANC_FORCE_INLINE
194 static PixelFormat GetPixelFormat()
195 {
196 return PixelFormat_RGB24;
197 }
198
199 ORTHANC_FORCE_INLINE
200 static void SetZero(PixelType& target)
201 {
202 target.red_ = 0;
203 target.green_ = 0;
204 target.blue_ = 0;
205 }
206
207 ORTHANC_FORCE_INLINE
208 static void Copy(PixelType& target,
209 const PixelType& source)
210 {
211 target.red_ = source.red_;
212 target.green_ = source.green_;
213 target.blue_ = source.blue_;
214 }
215
216 ORTHANC_FORCE_INLINE
217 static bool IsEqual(const PixelType& a,
218 const PixelType& b)
219 {
220 return (a.red_ == b.red_ &&
221 a.green_ == b.green_ &&
222 a.blue_ == b.blue_);
223 }
224 };
225
226
227 template <>
228 struct PixelTraits<PixelFormat_BGRA32>
229 {
230 struct PixelType
231 {
232 uint8_t blue_;
233 uint8_t green_;
234 uint8_t red_;
235 uint8_t alpha_;
236 };
237
238 ORTHANC_FORCE_INLINE
239 static PixelFormat GetPixelFormat()
240 {
241 return PixelFormat_BGRA32;
242 }
243
244 ORTHANC_FORCE_INLINE
245 static void SetZero(PixelType& target)
246 {
247 target.blue_ = 0;
248 target.green_ = 0;
249 target.red_ = 0;
250 target.alpha_ = 0;
251 }
252
253 ORTHANC_FORCE_INLINE
254 static void Copy(PixelType& target,
255 const PixelType& source)
256 {
257 target.blue_ = source.blue_;
258 target.green_ = source.green_;
259 target.red_ = source.red_;
260 target.alpha_ = source.alpha_;
261 }
262
263 ORTHANC_FORCE_INLINE
264 static bool IsEqual(const PixelType& a,
265 const PixelType& b)
266 {
267 return (a.blue_ == b.blue_ &&
268 a.green_ == b.green_ &&
269 a.red_ == b.red_ &&
270 a.alpha_ == b.alpha_);
271 }
272 };
273 }