Mercurial > hg > orthanc-wsi
annotate Framework/Inputs/DicomPyramidLevel.cpp @ 55:b6432a00b103
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 24 Nov 2016 14:44:11 +0100 |
parents | 7a88c614be04 |
children | 83cd735c885d |
rev | line source |
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0 | 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 * | |
6 * This program is free software: you can redistribute it and/or | |
7 * modify it under the terms of the GNU Affero General Public License | |
8 * as published by the Free Software Foundation, either version 3 of | |
9 * the License, or (at your option) any later version. | |
10 * | |
11 * This program is distributed in the hope that it will be useful, but | |
12 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 * Affero General Public License for more details. | |
15 * | |
16 * You should have received a copy of the GNU Affero General Public License | |
17 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 **/ | |
19 | |
20 | |
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21 #include "../PrecompiledHeadersWSI.h" |
0 | 22 #include "DicomPyramidLevel.h" |
23 | |
24 #include "../Orthanc/Core/Logging.h" | |
25 #include "../Orthanc/Core/OrthancException.h" | |
26 | |
27 #include <boost/lexical_cast.hpp> | |
28 | |
29 namespace OrthancWSI | |
30 { | |
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31 DicomPyramidLevel::TileContent& DicomPyramidLevel::GetTileContent(unsigned int tileX, |
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32 unsigned int tileY) |
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33 { |
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34 if (tileX >= countTilesX_ || |
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35 tileY >= countTilesY_) |
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36 { |
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37 LOG(ERROR) << "Tile location (" << tileX << "," << tileY << ") is outside the image"; |
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38 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); |
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39 } |
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40 |
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41 return tiles_[tileY * countTilesX_ + tileX]; |
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42 } |
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43 |
0 | 44 void DicomPyramidLevel::RegisterFrame(const DicomPyramidInstance& instance, |
45 unsigned int frame) | |
46 { | |
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47 unsigned int tileX = instance.GetFrameLocationX(frame); |
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48 unsigned int tileY = instance.GetFrameLocationY(frame); |
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49 TileContent& tile = GetTileContent(tileX, tileY); |
0 | 50 |
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51 if (tile.instance_ != NULL) |
0 | 52 { |
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53 LOG(ERROR) << "Tile with location (" << tileX << "," |
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54 << tileY << ") is indexed twice in level of size " |
0 | 55 << totalWidth_ << "x" << totalHeight_; |
56 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
57 } | |
58 | |
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59 tile.instance_ = &instance; |
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60 tile.frame_ = frame; |
0 | 61 } |
62 | |
63 | |
64 bool DicomPyramidLevel::LookupTile(TileContent& tile, | |
65 unsigned int tileX, | |
66 unsigned int tileY) const | |
67 { | |
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68 const TileContent& tmp = const_cast<DicomPyramidLevel&>(*this).GetTileContent(tileX, tileY); |
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69 |
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70 if (tmp.instance_ == NULL) |
0 | 71 { |
72 return false; | |
73 } | |
74 else | |
75 { | |
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76 tile = tmp; |
0 | 77 return true; |
78 } | |
79 } | |
80 | |
81 | |
82 DicomPyramidLevel::DicomPyramidLevel(const DicomPyramidInstance& instance) : | |
83 totalWidth_(instance.GetTotalWidth()), | |
84 totalHeight_(instance.GetTotalHeight()), | |
85 tileWidth_(instance.GetTileWidth()), | |
86 tileHeight_(instance.GetTileHeight()) | |
87 { | |
88 if (totalWidth_ == 0 || | |
89 totalHeight_ == 0) | |
90 { | |
91 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
92 } | |
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93 |
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94 countTilesX_ = CeilingDivision(totalWidth_, tileWidth_); |
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95 countTilesY_ = CeilingDivision(totalHeight_, tileHeight_); |
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96 tiles_.resize(countTilesX_ * countTilesY_); |
0 | 97 |
98 AddInstance(instance); | |
99 } | |
100 | |
101 | |
102 void DicomPyramidLevel::AddInstance(const DicomPyramidInstance& instance) | |
103 { | |
104 if (instance.GetTotalWidth() != totalWidth_ || | |
105 instance.GetTotalHeight() != totalHeight_ || | |
106 instance.GetTileWidth() != tileWidth_ || | |
107 instance.GetTileHeight() != tileHeight_) | |
108 { | |
109 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageSize); | |
110 } | |
111 | |
112 for (size_t frame = 0; frame < instance.GetFrameCount(); frame++) | |
113 { | |
114 RegisterFrame(instance, frame); | |
115 } | |
116 } | |
117 | |
118 | |
119 bool DicomPyramidLevel::DownloadRawTile(ImageCompression& compression /* out */, | |
120 Orthanc::PixelFormat& format /* out */, | |
121 std::string& raw /* out */, | |
122 IOrthancConnection& orthanc, | |
123 unsigned int tileX, | |
124 unsigned int tileY) const | |
125 { | |
126 TileContent tile; | |
127 if (LookupTile(tile, tileX, tileY)) | |
128 { | |
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129 assert(tile.instance_ != NULL); |
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130 const DicomPyramidInstance& instance = *tile.instance_; |
0 | 131 |
132 std::string uri = ("/instances/" + instance.GetInstanceId() + | |
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133 "/frames/" + boost::lexical_cast<std::string>(tile.frame_) + "/raw"); |
0 | 134 |
135 orthanc.RestApiGet(raw, uri); | |
136 | |
137 compression = instance.GetImageCompression(); | |
138 format = instance.GetPixelFormat(); | |
139 | |
140 return true; | |
141 } | |
142 else | |
143 { | |
144 return false; | |
145 } | |
146 } | |
147 } |