Mercurial > hg > orthanc-stone

comparison Framework/Layers/SiblingSliceLocationFactory.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 7207a407bcd8
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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 "SiblingSliceLocationFactory.h"
34
35 #include "LineLayerRenderer.h"
36
37 namespace OrthancStone
38 {
39 SiblingSliceLocationFactory::SiblingSliceLocationFactory(LayeredSceneWidget& owner,
40 LayeredSceneWidget& sibling) :
41 owner_(owner),
42 sibling_(sibling),
43 hasLayerIndex_(false)
44 {
45 style_.SetColor(0, 255, 0);
46 slice_ = sibling.GetSlice();
47 sibling_.Register(*this);
48 }
49
50
51 void SiblingSliceLocationFactory::NotifySliceChange(const LayeredSceneWidget& source,
52 const SliceGeometry& slice)
53 {
54 if (&source == &sibling_)
55 {
56 SetSlice(slice);
57 }
58 }
59
60
61 void SiblingSliceLocationFactory::SetLayerIndex(size_t layerIndex)
62 {
63 boost::mutex::scoped_lock lock(mutex_);
64 hasLayerIndex_ = true;
65 layerIndex_ = layerIndex;
66 }
67
68
69 void SiblingSliceLocationFactory::SetStyle(const RenderStyle& style)
70 {
71 boost::mutex::scoped_lock lock(mutex_);
72 style_ = style;
73 }
74
75
76 RenderStyle SiblingSliceLocationFactory::GetRenderStyle()
77 {
78 boost::mutex::scoped_lock lock(mutex_);
79 return style_;
80 }
81
82
83 void SiblingSliceLocationFactory::SetSlice(const SliceGeometry& slice)
84 {
85 boost::mutex::scoped_lock lock(mutex_);
86 slice_ = slice;
87
88 if (hasLayerIndex_)
89 {
90 owner_.InvalidateLayer(layerIndex_);
91 }
92 }
93
94
95 ILayerRenderer* SiblingSliceLocationFactory::CreateLayerRenderer(const SliceGeometry& viewportSlice)
96 {
97 Vector p, d;
98 RenderStyle style;
99
100 {
101 boost::mutex::scoped_lock lock(mutex_);
102
103 style = style_;
104
105 // Compute the line of intersection between the two slices
106 if (!GeometryToolbox::IntersectTwoPlanes(p, d,
107 slice_.GetOrigin(), slice_.GetNormal(),
108 viewportSlice.GetOrigin(), viewportSlice.GetNormal()))
109 {
110 // The two slice are parallel, don't try and display the intersection
111 return NULL;
112 }
113 }
114
115 double x1, y1, x2, y2;
116 viewportSlice.ProjectPoint(x1, y1, p);
117 viewportSlice.ProjectPoint(x2, y2, p + 1000.0 * d);
118
119 double sx1, sy1, sx2, sy2;
120 owner_.GetView().GetSceneExtent(sx1, sy1, sx2, sy2);
121
122 if (GeometryToolbox::ClipLineToRectangle(x1, y1, x2, y2,
123 x1, y1, x2, y2,
124 sx1, sy1, sx2, sy2))
125 {
126 std::auto_ptr<ILayerRenderer> layer(new LineLayerRenderer(x1, y1, x2, y2));
127 layer->SetLayerStyle(style);
128 return layer.release();
129 }
130 else
131 {
132 // Parallel slices
133 return NULL;
134 }
135 }
136
137
138 ISliceableVolume& SiblingSliceLocationFactory::GetSourceVolume() const
139 {
140 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
141 }
142
143
144 void SiblingSliceLocationFactory::Configure(LayeredSceneWidget& a,
145 LayeredSceneWidget& b)
146 {
147 {
148 size_t layerIndex;
149 ILayerRendererFactory& factory = a.AddLayer(layerIndex, new SiblingSliceLocationFactory(a, b));
150 dynamic_cast<SiblingSliceLocationFactory&>(factory).SetLayerIndex(layerIndex);
151 }
152
153 {
154 size_t layerIndex;
155 ILayerRendererFactory& factory = b.AddLayer(layerIndex, new SiblingSliceLocationFactory(b, a));
156 dynamic_cast<SiblingSliceLocationFactory&>(factory).SetLayerIndex(layerIndex);
157 }
158 }
159 }