Mercurial > hg > orthanc-wsi
comparison Framework/Inputs/OpenSlideLibrary.h @ 0:4a7a53257c7d
initial commit
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Sat, 22 Oct 2016 21:48:33 +0200 |
parents | |
children | 7a3853d51c45 |
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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 #pragma once | |
22 | |
23 #include "../Orthanc/Plugins/Engine/SharedLibrary.h" | |
24 #include "../Orthanc/Core/Images/ImageAccessor.h" | |
25 | |
26 #include <vector> | |
27 | |
28 namespace OrthancWSI | |
29 { | |
30 class OpenSlideLibrary : public boost::noncopyable | |
31 { | |
32 private: | |
33 typedef void* (*FunctionClose) (void*); | |
34 typedef int32_t (*FunctionGetLevelCount) (void*); | |
35 typedef void (*FunctionGetLevelDimensions) (void*, int32_t, int64_t*, int64_t*); | |
36 typedef double (*FunctionGetLevelDownsample) (void*, int32_t); | |
37 typedef void* (*FunctionOpen) (const char*); | |
38 typedef void (*FunctionReadRegion) (void*, uint32_t*, int64_t, int64_t, int32_t, int64_t, int64_t); | |
39 | |
40 Orthanc::SharedLibrary library_; | |
41 FunctionClose close_; | |
42 FunctionGetLevelCount getLevelCount_; | |
43 FunctionGetLevelDimensions getLevelDimensions_; | |
44 FunctionGetLevelDownsample getLevelDownsample_; | |
45 FunctionOpen open_; | |
46 FunctionReadRegion readRegion_; | |
47 | |
48 public: | |
49 OpenSlideLibrary(const std::string& path); | |
50 | |
51 static OpenSlideLibrary& GetInstance(); | |
52 | |
53 static void Initialize(const std::string& path); | |
54 | |
55 static void Finalize(); | |
56 | |
57 class Image : public boost::noncopyable | |
58 { | |
59 private: | |
60 struct Level | |
61 { | |
62 unsigned int width_; | |
63 unsigned int height_; | |
64 double downsample_; | |
65 | |
66 Level(); | |
67 | |
68 Level(int64_t width, | |
69 int64_t height, | |
70 double downsample); | |
71 }; | |
72 | |
73 OpenSlideLibrary& that_; | |
74 void* handle_; | |
75 std::vector<Level> levels_; | |
76 | |
77 void Initialize(const std::string& path); | |
78 | |
79 void Close(); | |
80 | |
81 void CheckLevel(unsigned int level) const; | |
82 | |
83 public: | |
84 Image(OpenSlideLibrary& that, | |
85 const std::string& path); | |
86 | |
87 Image(const std::string& path); | |
88 | |
89 ~Image() | |
90 { | |
91 Close(); | |
92 } | |
93 | |
94 unsigned int GetLevelCount() const | |
95 { | |
96 return levels_.size(); | |
97 } | |
98 | |
99 double GetLevelDownsample(unsigned int level) const; | |
100 | |
101 unsigned int GetLevelWidth(unsigned int level) const; | |
102 | |
103 unsigned int GetLevelHeight(unsigned int level) const; | |
104 | |
105 Orthanc::ImageAccessor* ReadRegion(unsigned int level, | |
106 uint64_t x, | |
107 uint64_t y, | |
108 unsigned int width, | |
109 unsigned int height); | |
110 }; | |
111 }; | |
112 } |