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comparison Framework/Toolbox/DicomFrameConverter.h @ 0:351ab0da0150

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 14 Oct 2016 15:34:11 +0200
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1 /**
2 * Stone of Orthanc
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 General Public License as
8 * published by the Free Software Foundation, either version 3 of the
9 * License, or (at your option) any later version.
10 *
11 * In addition, as a special exception, the copyright holders of this
12 * program give permission to link the code of its release with the
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
14 * that use the same license as the "OpenSSL" library), and distribute
15 * the linked executables. You must obey the GNU General Public License
16 * in all respects for all of the code used other than "OpenSSL". If you
17 * modify file(s) with this exception, you may extend this exception to
18 * your version of the file(s), but you are not obligated to do so. If
19 * you do not wish to do so, delete this exception statement from your
20 * version. If you delete this exception statement from all source files
21 * in the program, then also delete it here.
22 *
23 * This program is distributed in the hope that it will be useful, but
24 * WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
26 * General Public License for more details.
27 *
28 * You should have received a copy of the GNU General Public License
29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
30 **/
31
32
33 #pragma once
34
35 #include "DicomDataset.h"
36
37 #include "../Orthanc/Core/Images/ImageAccessor.h"
38
39 namespace OrthancStone
40 {
41 /**
42 * This class is responsible for converting the pixel format of a
43 * DICOM frame coming from Orthanc, into a pixel format that is
44 * suitable for Stone, given the relevant DICOM tags:
45 * - Color frames will stay in the RGB24 format.
46 * - Grayscale frames will be converted to the Float32 format.
47 **/
48 class DicomFrameConverter
49 {
50 private:
51 bool isSigned_;
52 bool isColor_;
53 bool hasRescale_;
54 float rescaleIntercept_;
55 float rescaleSlope_;
56 float defaultWindowCenter_;
57 float defaultWindowWidth_;
58
59 void SetDefaultParameters();
60
61 public:
62 DicomFrameConverter()
63 {
64 SetDefaultParameters();
65 }
66
67 Orthanc::PixelFormat GetExpectedPixelFormat() const;
68
69 void ReadParameters(const DicomDataset& dicom);
70
71 float GetDefaultWindowCenter() const
72 {
73 return defaultWindowCenter_;
74 }
75
76 float GetDefaultWindowWidth() const
77 {
78 return defaultWindowWidth_;
79 }
80
81 void ConvertFrame(std::auto_ptr<Orthanc::ImageAccessor>& source) const;
82 };
83 }