Mercurial > hg > orthanc-wsi

comparison Framework/Inputs/PyramidWithRawTiles.cpp @ 0:4a7a53257c7d

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initial commit
author Sebastien Jodogne <s.jodogne@gmail.com>
date Sat, 22 Oct 2016 21:48:33 +0200
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children 7a88c614be04
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-1:000000000000 0:4a7a53257c7d
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 "PyramidWithRawTiles.h"
22
23 #include "../Orthanc/Core/Images/PngReader.h"
24 #include "../Orthanc/Core/Images/JpegReader.h"
25 #include "../Orthanc/Core/OrthancException.h"
26 #include "../Jpeg2000Reader.h"
27
28 namespace OrthancWSI
29 {
30 Orthanc::ImageAccessor* PyramidWithRawTiles::DecodeTile(unsigned int level,
31 unsigned int tileX,
32 unsigned int tileY)
33 {
34 std::string tile;
35 if (!ReadRawTile(tile, level, tileX, tileY))
36 {
37 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
38 }
39
40 std::auto_ptr<Orthanc::ImageAccessor> result;
41
42 switch (GetImageCompression())
43 {
44 case ImageCompression_None:
45 result.reset(new Orthanc::ImageAccessor);
46 result->AssignReadOnly(GetPixelFormat(),
47 GetTileWidth(),
48 GetTileHeight(),
49 GetBytesPerPixel(GetPixelFormat()) * GetTileWidth(),
50 tile.c_str());
51 break;
52
53 case ImageCompression_Jpeg:
54 result.reset(new Orthanc::JpegReader);
55 dynamic_cast<Orthanc::JpegReader&>(*result).ReadFromMemory(tile);
56 break;
57
58 case ImageCompression_Png:
59 result.reset(new Orthanc::PngReader);
60 dynamic_cast<Orthanc::PngReader&>(*result).ReadFromMemory(tile);
61 break;
62
63 case ImageCompression_Jpeg2000:
64 result.reset(new Jpeg2000Reader);
65 dynamic_cast<Jpeg2000Reader&>(*result).ReadFromMemory(tile);
66 break;
67
68 default:
69 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
70 }
71
72 return result.release();
73 }
74 }