Mercurial > hg > orthanc-wsi
annotate Framework/Inputs/DecodedTiledPyramid.cpp @ 312:0683312e21ba
updated copyright, as Orthanc Team now replaces Osimis
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 30 May 2024 22:11:10 +0200 |
parents | 7020852a8fa9 |
children | 8ad12abde290 |
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 | |
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5 * Copyright (C) 2017-2023 Osimis S.A., Belgium |
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6 * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium |
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7 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
0 | 8 * |
9 * This program is free software: you can redistribute it and/or | |
10 * modify it under the terms of the GNU Affero General Public License | |
11 * as published by the Free Software Foundation, either version 3 of | |
12 * the License, or (at your option) any later version. | |
13 * | |
14 * This program is distributed in the hope that it will be useful, but | |
15 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 * Affero General Public License for more details. | |
18 * | |
19 * You should have received a copy of the GNU Affero General Public License | |
20 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
21 **/ | |
22 | |
23 | |
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24 #include "../PrecompiledHeadersWSI.h" |
0 | 25 #include "DecodedTiledPyramid.h" |
26 | |
27 #include "../ImageToolbox.h" | |
28 | |
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29 #include <Compatibility.h> // For std::unique_ptr |
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30 |
0 | 31 #include <memory> |
32 #include <cassert> | |
33 | |
34 namespace OrthancWSI | |
35 { | |
36 DecodedTiledPyramid::DecodedTiledPyramid() | |
37 { | |
38 SetBackgroundColor(255, 255, 255); | |
39 } | |
40 | |
41 | |
42 void DecodedTiledPyramid::SetBackgroundColor(uint8_t red, | |
43 uint8_t green, | |
44 uint8_t blue) | |
45 { | |
46 backgroundColor_[0] = red; | |
47 backgroundColor_[1] = green; | |
48 backgroundColor_[2] = blue; | |
49 } | |
50 | |
51 | |
52 void DecodedTiledPyramid::GetBackgroundColor(uint8_t& red, | |
53 uint8_t& green, | |
54 uint8_t& blue) const | |
55 { | |
56 red = backgroundColor_[0]; | |
57 green = backgroundColor_[1]; | |
58 blue = backgroundColor_[2]; | |
59 } | |
60 | |
61 | |
62 Orthanc::ImageAccessor* DecodedTiledPyramid::DecodeTile(unsigned int level, | |
63 unsigned int tileX, | |
64 unsigned int tileY) | |
65 { | |
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66 unsigned int x = tileX * GetTileWidth(level); |
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67 unsigned int y = tileY * GetTileHeight(level); |
0 | 68 |
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69 std::unique_ptr<Orthanc::ImageAccessor> tile |
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70 (ImageToolbox::Allocate(GetPixelFormat(), GetTileWidth(level), GetTileHeight(level))); |
0 | 71 |
72 if (x >= GetLevelWidth(level) || | |
73 y >= GetLevelHeight(level)) // (*) | |
74 { | |
75 ImageToolbox::Set(*tile, backgroundColor_[0], backgroundColor_[1], backgroundColor_[2]); | |
76 return tile.release(); | |
77 } | |
78 | |
79 bool fit = true; | |
80 unsigned int regionWidth; | |
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81 if (x + GetTileWidth(level) <= GetLevelWidth(level)) |
0 | 82 { |
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83 regionWidth = GetTileWidth(level); |
0 | 84 } |
85 else | |
86 { | |
87 assert(GetLevelWidth(level) >= x); // This results from (*) | |
88 regionWidth = GetLevelWidth(level) - x; | |
89 fit = false; | |
90 } | |
91 | |
92 unsigned int regionHeight; | |
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93 if (y + GetTileHeight(level) <= GetLevelHeight(level)) |
0 | 94 { |
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95 regionHeight = GetTileHeight(level); |
0 | 96 } |
97 else | |
98 { | |
99 assert(GetLevelHeight(level) >= y); // This results from (*) | |
100 regionHeight = GetLevelHeight(level) - y; | |
101 fit = false; | |
102 } | |
103 | |
104 if (fit) | |
105 { | |
106 // The tile entirely lies inside the image | |
107 ReadRegion(*tile, level, x, y); | |
108 } | |
109 else | |
110 { | |
111 // The tile exceeds the size of image, decode it to a temporary buffer | |
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112 std::unique_ptr<Orthanc::ImageAccessor> cropped |
0 | 113 (ImageToolbox::Allocate(GetPixelFormat(), regionWidth, regionHeight)); |
114 ReadRegion(*cropped, level, x, y); | |
115 | |
116 // Create a white tile, and fill it with the cropped content | |
117 ImageToolbox::Set(*tile, backgroundColor_[0], backgroundColor_[1], backgroundColor_[2]); | |
118 ImageToolbox::Embed(*tile, *cropped, 0, 0); | |
119 } | |
120 | |
121 return tile.release(); | |
122 } | |
123 } |