Mercurial > hg > orthanc-wsi
comparison Framework/Outputs/InMemoryTiledImage.cpp @ 0:4a7a53257c7d
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Sat, 22 Oct 2016 21:48:33 +0200 |
parents | |
children | 7a88c614be04 |
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-1:000000000000 | 0:4a7a53257c7d |
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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 | |
21 #include "InMemoryTiledImage.h" | |
22 | |
23 #include "../ImageToolbox.h" | |
24 #include "../Orthanc/Core/Logging.h" | |
25 #include "../Orthanc/Core/OrthancException.h" | |
26 | |
27 namespace OrthancWSI | |
28 { | |
29 static void CheckLevel(unsigned int level) | |
30 { | |
31 if (level != 0) | |
32 { | |
33 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
34 } | |
35 } | |
36 | |
37 | |
38 InMemoryTiledImage::InMemoryTiledImage(Orthanc::PixelFormat format, | |
39 unsigned int countTilesX, | |
40 unsigned int countTilesY, | |
41 unsigned int tileWidth, | |
42 unsigned int tileHeight) : | |
43 format_(format), | |
44 countTilesX_(countTilesX), | |
45 countTilesY_(countTilesY), | |
46 tileWidth_(tileWidth), | |
47 tileHeight_(tileHeight) | |
48 { | |
49 } | |
50 | |
51 | |
52 InMemoryTiledImage::~InMemoryTiledImage() | |
53 { | |
54 for (Tiles::iterator it = tiles_.begin(); it != tiles_.end(); ++it) | |
55 { | |
56 delete it->second; | |
57 } | |
58 } | |
59 | |
60 | |
61 unsigned int InMemoryTiledImage::GetCountTilesX(unsigned int level) const | |
62 { | |
63 CheckLevel(level); | |
64 return countTilesX_; | |
65 } | |
66 | |
67 | |
68 unsigned int InMemoryTiledImage::GetCountTilesY(unsigned int level) const | |
69 { | |
70 CheckLevel(level); | |
71 return countTilesY_; | |
72 } | |
73 | |
74 | |
75 unsigned int InMemoryTiledImage::GetLevelWidth(unsigned int level) const | |
76 { | |
77 CheckLevel(level); | |
78 return tileWidth_ * countTilesX_; | |
79 } | |
80 | |
81 | |
82 unsigned int InMemoryTiledImage::GetLevelHeight(unsigned int level) const | |
83 { | |
84 CheckLevel(level); | |
85 return tileHeight_ * countTilesY_; | |
86 } | |
87 | |
88 | |
89 bool InMemoryTiledImage::ReadRawTile(std::string& tile, | |
90 unsigned int level, | |
91 unsigned int tileX, | |
92 unsigned int tileY) | |
93 { | |
94 CheckLevel(level); | |
95 return false; // Unavailable | |
96 } | |
97 | |
98 | |
99 Orthanc::ImageAccessor* InMemoryTiledImage::DecodeTile(unsigned int level, | |
100 unsigned int tileX, | |
101 unsigned int tileY) | |
102 { | |
103 CheckLevel(level); | |
104 | |
105 if (tileX >= countTilesX_ || | |
106 tileY >= countTilesY_) | |
107 { | |
108 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
109 } | |
110 | |
111 { | |
112 boost::mutex::scoped_lock lock(mutex_); | |
113 | |
114 Tiles::const_iterator it = tiles_.find(std::make_pair(tileX, tileY)); | |
115 if (it != tiles_.end()) | |
116 { | |
117 return new Orthanc::ImageAccessor(*it->second); | |
118 } | |
119 else | |
120 { | |
121 LOG(ERROR) << "The following tile has not been set: " << tileX << "," << tileY; | |
122 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
123 } | |
124 } | |
125 } | |
126 | |
127 | |
128 void InMemoryTiledImage::WriteRawTile(const std::string& raw, | |
129 ImageCompression compression, | |
130 unsigned int level, | |
131 unsigned int tileX, | |
132 unsigned int tileY) | |
133 { | |
134 std::auto_ptr<Orthanc::ImageAccessor> decoded(ImageToolbox::DecodeTile(raw, compression)); | |
135 EncodeTile(*decoded, level, tileX, tileY); | |
136 } | |
137 | |
138 | |
139 void InMemoryTiledImage::EncodeTile(const Orthanc::ImageAccessor& tile, | |
140 unsigned int level, | |
141 unsigned int tileX, | |
142 unsigned int tileY) | |
143 { | |
144 CheckLevel(level); | |
145 | |
146 if (tileX >= countTilesX_ || | |
147 tileY >= countTilesY_) | |
148 { | |
149 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
150 } | |
151 | |
152 { | |
153 boost::mutex::scoped_lock lock(mutex_); | |
154 | |
155 Tiles::iterator it = tiles_.find(std::make_pair(tileX, tileY)); | |
156 if (it == tiles_.end()) | |
157 { | |
158 tiles_[std::make_pair(tileX, tileY)] = ImageToolbox::Clone(tile); | |
159 } | |
160 else | |
161 { | |
162 if (it->second) | |
163 { | |
164 delete it->second; | |
165 } | |
166 | |
167 it->second = ImageToolbox::Clone(tile); | |
168 } | |
169 } | |
170 } | |
171 } |