Mercurial > hg > orthanc-stone
annotate Framework/Toolbox/ParallelSlicesCursor.cpp @ 40:7207a407bcd8
shared copyright with osimis
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 04 Jan 2017 16:37:42 +0100 |
parents | ff1e935768e7 |
children | 28956ed68280 |
rev | line source |
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0 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
40
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
5 * Copyright (C) 2017 Osimis, Belgium |
0 | 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 #include "ParallelSlicesCursor.h" | |
35 | |
16 | 36 #include "../../Resources/Orthanc/Core/OrthancException.h" |
0 | 37 |
38 namespace OrthancStone | |
39 { | |
40 size_t ParallelSlicesCursor::GetDefaultSlice() | |
41 { | |
42 if (slices_.get() == NULL) | |
43 { | |
44 return 0; | |
45 } | |
46 else | |
47 { | |
48 return slices_->GetSliceCount() / 2; | |
49 } | |
50 } | |
51 | |
52 | |
53 size_t ParallelSlicesCursor::GetSliceCount() | |
54 { | |
55 boost::mutex::scoped_lock lock(mutex_); | |
56 | |
57 if (slices_.get() == NULL) | |
58 { | |
59 return 0; | |
60 } | |
61 else | |
62 { | |
63 return slices_->GetSliceCount(); | |
64 } | |
65 } | |
66 | |
67 | |
68 SliceGeometry ParallelSlicesCursor::GetSlice(size_t slice) | |
69 { | |
70 boost::mutex::scoped_lock lock(mutex_); | |
71 | |
72 if (slices_.get() == NULL) | |
73 { | |
74 return SliceGeometry(); | |
75 } | |
76 else | |
77 { | |
78 return slices_->GetSlice(slice); | |
79 } | |
80 } | |
81 | |
82 | |
83 void ParallelSlicesCursor::SetGeometry(const ParallelSlices& slices) | |
84 { | |
85 boost::mutex::scoped_lock lock(mutex_); | |
86 | |
87 slices_.reset(new ParallelSlices(slices)); | |
88 | |
89 currentSlice_ = GetDefaultSlice(); | |
90 } | |
91 | |
92 | |
93 SliceGeometry ParallelSlicesCursor::GetCurrentSlice() | |
94 { | |
95 boost::mutex::scoped_lock lock(mutex_); | |
96 | |
97 if (slices_.get() != NULL && | |
98 currentSlice_ < slices_->GetSliceCount()) | |
99 { | |
100 return slices_->GetSlice(currentSlice_); | |
101 } | |
102 else | |
103 { | |
104 return SliceGeometry(); // No slice is available, return the canonical geometry | |
105 } | |
106 } | |
107 | |
108 | |
109 bool ParallelSlicesCursor::SetDefaultSlice() | |
110 { | |
111 boost::mutex::scoped_lock lock(mutex_); | |
112 | |
113 size_t slice = GetDefaultSlice(); | |
114 | |
115 if (currentSlice_ != slice) | |
116 { | |
117 currentSlice_ = slice; | |
118 return true; | |
119 } | |
120 else | |
121 { | |
122 return false; | |
123 } | |
124 } | |
125 | |
126 | |
127 bool ParallelSlicesCursor::ApplyOffset(SliceOffsetMode mode, | |
128 int offset) | |
129 { | |
130 boost::mutex::scoped_lock lock(mutex_); | |
131 | |
132 if (slices_.get() == NULL) | |
133 { | |
134 return false; | |
135 } | |
136 | |
137 int count = slices_->GetSliceCount(); | |
138 if (count == 0) | |
139 { | |
140 return false; | |
141 } | |
142 | |
143 int slice; | |
144 if (static_cast<int>(currentSlice_) >= count) | |
145 { | |
146 slice = count - 1; | |
147 } | |
148 else | |
149 { | |
150 slice = currentSlice_; | |
151 } | |
152 | |
153 switch (mode) | |
154 { | |
155 case SliceOffsetMode_Absolute: | |
156 { | |
157 slice = offset; | |
158 break; | |
159 } | |
160 | |
161 case SliceOffsetMode_Relative: | |
162 { | |
163 slice += offset; | |
164 break; | |
165 } | |
166 | |
167 case SliceOffsetMode_Loop: | |
168 { | |
169 slice += offset; | |
170 while (slice < 0) | |
171 { | |
172 slice += count; | |
173 } | |
174 | |
175 while (slice >= count) | |
176 { | |
177 slice -= count; | |
178 } | |
179 | |
180 break; | |
181 } | |
182 | |
183 default: | |
184 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
185 } | |
186 | |
187 if (slice < 0) | |
188 { | |
189 slice = 0; | |
190 } | |
191 | |
192 if (slice >= count) | |
193 { | |
194 slice = count - 1; | |
195 } | |
196 | |
197 if (slice != static_cast<int>(currentSlice_)) | |
198 { | |
199 currentSlice_ = static_cast<int>(slice); | |
200 return true; | |
201 } | |
202 else | |
203 { | |
204 return false; | |
205 } | |
206 } | |
207 | |
208 | |
209 bool ParallelSlicesCursor::ApplyWheelEvent(MouseWheelDirection direction, | |
210 KeyboardModifiers modifiers) | |
211 { | |
212 int offset = (modifiers & KeyboardModifiers_Control ? 10 : 1); | |
213 | |
214 switch (direction) | |
215 { | |
216 case MouseWheelDirection_Down: | |
217 return ApplyOffset(SliceOffsetMode_Relative, -offset); | |
218 | |
219 case MouseWheelDirection_Up: | |
220 return ApplyOffset(SliceOffsetMode_Relative, offset); | |
221 | |
222 default: | |
223 return false; | |
224 } | |
225 } | |
226 | |
227 | |
228 bool ParallelSlicesCursor::LookupSliceContainingPoint(const Vector& p) | |
229 { | |
230 boost::mutex::scoped_lock lock(mutex_); | |
231 | |
232 size_t slice; | |
233 double distance; | |
234 | |
235 if (slices_.get() != NULL && | |
236 slices_->ComputeClosestSlice(slice, distance, p)) | |
237 { | |
238 if (currentSlice_ != slice) | |
239 { | |
240 currentSlice_ = slice; | |
241 return true; | |
242 } | |
243 } | |
244 | |
245 return false; | |
246 } | |
247 } |