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comparison Framework/Layers/SingleFrameRendererFactory.cpp @ 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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children ff1e935768e7
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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 #include "SingleFrameRendererFactory.h"
34
35 #include "FrameRenderer.h"
36 #include "../Messaging/MessagingToolbox.h"
37 #include "../Orthanc/Core/OrthancException.h"
38 #include "../Toolbox/DicomFrameConverter.h"
39
40 namespace OrthancStone
41 {
42 SingleFrameRendererFactory::SingleFrameRendererFactory(IOrthancConnection& orthanc,
43 const std::string& instanceId,
44 unsigned int frame) :
45 orthanc_(orthanc),
46 dicom_(orthanc, instanceId),
47 instance_(instanceId),
48 frame_(frame)
49 {
50 DicomFrameConverter converter;
51 converter.ReadParameters(dicom_);
52 format_ = converter.GetExpectedPixelFormat();
53 }
54
55
56 SliceGeometry SingleFrameRendererFactory::GetSliceGeometry()
57 {
58 if (dicom_.HasTag(DICOM_TAG_IMAGE_POSITION_PATIENT) &&
59 dicom_.HasTag(DICOM_TAG_IMAGE_ORIENTATION_PATIENT))
60 {
61 return SliceGeometry(dicom_);
62 }
63 else
64 {
65 return SliceGeometry();
66 }
67 }
68
69
70 bool SingleFrameRendererFactory::GetExtent(double& x1,
71 double& y1,
72 double& x2,
73 double& y2,
74 const SliceGeometry& viewportSlice)
75 {
76 // Assume that PixelSpacingX == PixelSpacingY == 1
77
78 unsigned int width = dicom_.GetUnsignedIntegerValue(DICOM_TAG_COLUMNS);
79 unsigned int height = dicom_.GetUnsignedIntegerValue(DICOM_TAG_ROWS);
80
81 x1 = 0;
82 y1 = 0;
83 x2 = static_cast<double>(width);
84 y2 = static_cast<double>(height);
85
86 return true;
87 }
88
89
90 ILayerRenderer* SingleFrameRendererFactory::CreateLayerRenderer(const SliceGeometry& viewportSlice)
91 {
92 SliceGeometry frameSlice(dicom_);
93 return FrameRenderer::CreateRenderer(MessagingToolbox::DecodeFrame(orthanc_, instance_, frame_, format_),
94 viewportSlice, frameSlice, dicom_, 1, 1, true);
95 }
96
97
98 ISliceableVolume& SingleFrameRendererFactory::GetSourceVolume() const
99 {
100 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
101 }
102 }