Mercurial > hg > orthanc-wsi
annotate Framework/Inputs/DecodedTiledPyramid.cpp @ 226:4eefa34657f0
fix build
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 13 Jan 2021 13:17:03 +0100 |
parents | 20bc074ec19a |
children | 49f647ed1b4c |
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) 2017-2021 Osimis S.A., Belgium |
0 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU Affero General Public License | |
9 * as published by the Free Software Foundation, either version 3 of | |
10 * the License, or (at your option) any later version. | |
11 * | |
12 * This program is distributed in the hope that it will be useful, but | |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 * Affero General Public License for more details. | |
16 * | |
17 * You should have received a copy of the GNU Affero General Public License | |
18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 **/ | |
20 | |
21 | |
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22 #include "../PrecompiledHeadersWSI.h" |
0 | 23 #include "DecodedTiledPyramid.h" |
24 | |
25 #include "../ImageToolbox.h" | |
26 | |
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27 #include <Compatibility.h> // For std::unique_ptr |
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28 |
0 | 29 #include <memory> |
30 #include <cassert> | |
31 | |
32 namespace OrthancWSI | |
33 { | |
34 DecodedTiledPyramid::DecodedTiledPyramid() | |
35 { | |
36 SetBackgroundColor(255, 255, 255); | |
37 } | |
38 | |
39 | |
40 void DecodedTiledPyramid::SetBackgroundColor(uint8_t red, | |
41 uint8_t green, | |
42 uint8_t blue) | |
43 { | |
44 backgroundColor_[0] = red; | |
45 backgroundColor_[1] = green; | |
46 backgroundColor_[2] = blue; | |
47 } | |
48 | |
49 | |
50 void DecodedTiledPyramid::GetBackgroundColor(uint8_t& red, | |
51 uint8_t& green, | |
52 uint8_t& blue) const | |
53 { | |
54 red = backgroundColor_[0]; | |
55 green = backgroundColor_[1]; | |
56 blue = backgroundColor_[2]; | |
57 } | |
58 | |
59 | |
60 Orthanc::ImageAccessor* DecodedTiledPyramid::DecodeTile(unsigned int level, | |
61 unsigned int tileX, | |
62 unsigned int tileY) | |
63 { | |
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64 unsigned int x = tileX * GetTileWidth(level); |
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65 unsigned int y = tileY * GetTileHeight(level); |
0 | 66 |
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67 std::unique_ptr<Orthanc::ImageAccessor> tile |
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68 (ImageToolbox::Allocate(GetPixelFormat(), GetTileWidth(level), GetTileHeight(level))); |
0 | 69 |
70 if (x >= GetLevelWidth(level) || | |
71 y >= GetLevelHeight(level)) // (*) | |
72 { | |
73 ImageToolbox::Set(*tile, backgroundColor_[0], backgroundColor_[1], backgroundColor_[2]); | |
74 return tile.release(); | |
75 } | |
76 | |
77 bool fit = true; | |
78 unsigned int regionWidth; | |
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79 if (x + GetTileWidth(level) <= GetLevelWidth(level)) |
0 | 80 { |
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81 regionWidth = GetTileWidth(level); |
0 | 82 } |
83 else | |
84 { | |
85 assert(GetLevelWidth(level) >= x); // This results from (*) | |
86 regionWidth = GetLevelWidth(level) - x; | |
87 fit = false; | |
88 } | |
89 | |
90 unsigned int regionHeight; | |
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91 if (y + GetTileHeight(level) <= GetLevelHeight(level)) |
0 | 92 { |
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93 regionHeight = GetTileHeight(level); |
0 | 94 } |
95 else | |
96 { | |
97 assert(GetLevelHeight(level) >= y); // This results from (*) | |
98 regionHeight = GetLevelHeight(level) - y; | |
99 fit = false; | |
100 } | |
101 | |
102 if (fit) | |
103 { | |
104 // The tile entirely lies inside the image | |
105 ReadRegion(*tile, level, x, y); | |
106 } | |
107 else | |
108 { | |
109 // The tile exceeds the size of image, decode it to a temporary buffer | |
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110 std::unique_ptr<Orthanc::ImageAccessor> cropped |
0 | 111 (ImageToolbox::Allocate(GetPixelFormat(), regionWidth, regionHeight)); |
112 ReadRegion(*cropped, level, x, y); | |
113 | |
114 // Create a white tile, and fill it with the cropped content | |
115 ImageToolbox::Set(*tile, backgroundColor_[0], backgroundColor_[1], backgroundColor_[2]); | |
116 ImageToolbox::Embed(*tile, *cropped, 0, 0); | |
117 } | |
118 | |
119 return tile.release(); | |
120 } | |
121 } |