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cxVideoRep.cpp
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1 /*=========================================================================
2 This file is part of CustusX, an Image Guided Therapy Application.
3 
4 Copyright (c) 2008-2014, SINTEF Department of Medical Technology
5 All rights reserved.
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32 
33 
34 /*
35  * sscRT2DRep.cpp
36  *
37  * Created on: Oct 31, 2010
38  * Author: christiana
39  */
40 #include "cxVideoRep.h"
41 
42 #include "boost/bind.hpp"
43 
44 #include <vtkRenderer.h>
45 #include <vtkActor2D.h>
46 #include <vtkActor.h>
47 #include <vtkCamera.h>
48 
49 #include "cxView.h"
50 #include "cxTool.h"
51 #include "cxVideoSourceGraphics.h"
52 #include "cxVideoSource.h"
53 #include "cxViewportListener.h"
54 
55 namespace cx
56 {
57 
58 VideoFixedPlaneRep::VideoFixedPlaneRep(const QString& uid, const QString& name) :
59  RepImpl(uid, name)
60 {
61  SpaceProviderPtr nullProvider;
62 
63  mRTGraphics.reset(new VideoSourceGraphics(nullProvider));
64  connect(mRTGraphics.get(), &VideoSourceGraphics::newData, this, &VideoFixedPlaneRep::newDataSlot);
65  mRTGraphics->setShowInToolSpace(false);
66  mRTGraphics->setClipToSector(false);
67 
68  mInfoText.reset(new TextDisplay("", QColor::fromRgbF(1.0, 0.8, 0.0), 16));
69  mInfoText->getActor()->GetPositionCoordinate()->SetCoordinateSystemToNormalizedViewport();
70  mInfoText->setCentered();
71  mInfoText->setPosition(0.5, 0.05);
72 
73  mStatusText.reset(new TextDisplay("", QColor::fromRgbF(1.0, 0.8, 0.0), 20));
74  mStatusText->getActor()->GetPositionCoordinate()->SetCoordinateSystemToNormalizedViewport();
75  mStatusText->setCentered();
76  mStatusText->setPosition(0.5, 0.5);
77  mStatusText->updateText("Not Connected");
78 
79  mOrientationVText.reset(new TextDisplay("V", QColor::fromRgbF(1.0, 0.9, 0.0), 30));
80  mOrientationVText->getActor()->GetPositionCoordinate()->SetCoordinateSystemToNormalizedViewport();
81  mOrientationVText->setCentered();
82  mOrientationVText->setPosition(0.05, 0.95);
83 
84  mProbeOrigin.reset(new GraphicalPolyData3D());
85  mProbeOrigin->setColor(Vector3D(1, 165.0/255.0, 0)); // orange
86  mProbeSector.reset(new GraphicalPolyData3D());
87  mProbeSector->setColor(Vector3D(1, 165.0/255.0, 0)); // orange
88  mProbeClipRect.reset(new GraphicalPolyData3D());
89  mProbeClipRect->setColor(Vector3D(1, 0.9, 0)); // yellow
90 
91  mViewportListener.reset(new ViewportListener());
92  mViewportListener->setCallback(boost::bind(&VideoFixedPlaneRep::setCamera, this));
93 }
94 
96 {
97 }
98 
100 {
101  mShowSector = on;
102  this->updateSector();
103 }
104 
106 {
107  return mShowSector;
108 }
109 
110 void VideoFixedPlaneRep::updateSector()
111 {
112  bool show = mTool && this->getShowSector() && mTool->getProbe()->getProbeDefinition().getType()!=ProbeDefinition::tNONE;
113 
114  mProbeOrigin->getActor()->SetVisibility(show);
115  mProbeSector->getActor()->SetVisibility(show);
116  mProbeClipRect->getActor()->SetVisibility(show);
117  if (!show)
118  return;
119 
120  mProbeDefinition.setData(mTool->getProbe()->getProbeDefinition());
121 
122  mProbeOrigin->setData(mProbeDefinition.getOriginPolyData());
123  mProbeSector->setData(mProbeDefinition.getSectorSectorOnlyLinesOnly());
124  mProbeClipRect->setData(mProbeDefinition.getClipRectLinesOnly());
125 }
126 
128 {
129  mRTGraphics->setTool(tool);
130  mTool = tool;
131 }
132 
134 {
135  mData = data;
136  mRTGraphics->setRealtimeStream(data);
137 }
138 
139 void VideoFixedPlaneRep::newDataSlot()
140 {
141  if (!mData)
142  return;
143 
144  mInfoText->updateText(mData->getInfoString());
145  mStatusText->updateText(mData->getStatusString());
146  mStatusText->getActor()->SetVisibility(!mData->validData());
147  mOrientationVText->getActor()->SetVisibility(mData->validData());
148  this->setCamera();
149  this->updateSector();
150 }
151 
156 void VideoFixedPlaneRep::setCamera()
157 {
158  if (!mRenderer)
159  return;
160  mViewportListener->stopListen();
161  vtkCamera* camera = mRenderer->GetActiveCamera();
162  camera->ParallelProjectionOn();
163  mRenderer->ResetCamera();
164 
165  DoubleBoundingBox3D bounds(mRTGraphics->getActor()->GetBounds());
166  if (similar(bounds.range()[0], 0.0) || similar(bounds.range()[1], 0.0))
167  return;
168 
169  double* vpRange = mRenderer->GetAspect();
170 
171  double vw = vpRange[0];
172  double vh = vpRange[1];
173 
174  double w = bounds.range()[0];
175  double h = bounds.range()[1];
176 
177  double scale = 1;
178  double w_vp = vh * (w/h); // width of image in viewport space
179  if (w_vp > vw) // if image too wide: reduce scale
180  scale = w_vp/vw;
181 
182  //Set camera position and focus so that it looks at the video stream center
183  double position[3];
184  camera->GetPosition(position);
185  position[0] = bounds.center()[0];
186  position[1] = bounds.center()[1];
187  camera->SetPosition(position);
188 
189  camera->GetFocalPoint(position);
190  position[0] = bounds.center()[0];
191  position[1] = bounds.center()[1];
192  camera->SetFocalPoint(position);
193 
194  camera->SetParallelScale(h/2*scale*1.01); // exactly fill the viewport height
195  mViewportListener->startListen(mRenderer);
196 }
197 
198 
200 {
201  mRenderer = view->getRenderer();
202  mViewportListener->startListen(mRenderer);
203 
204  view->getRenderer()->AddActor(mRTGraphics->getActor());
205  view->getRenderer()->AddActor(mInfoText->getActor());
206  view->getRenderer()->AddActor(mStatusText->getActor());
207  view->getRenderer()->AddActor(mOrientationVText->getActor());
208 
209  mProbeClipRect->setRenderer(view->getRenderer());
210  mProbeOrigin->setRenderer(view->getRenderer());
211  mProbeSector->setRenderer(view->getRenderer());
212 }
213 
215 {
216  mRenderer = vtkRendererPtr();
217  view->getRenderer()->RemoveActor(mRTGraphics->getActor());
218  view->getRenderer()->RemoveActor(mInfoText->getActor());
219  view->getRenderer()->RemoveActor(mStatusText->getActor());
220  view->getRenderer()->RemoveActor(mOrientationVText->getActor());
221  mProbeOrigin->setRenderer(NULL);
222  mProbeSector->setRenderer(NULL);
223  mProbeClipRect->setRenderer(NULL);
224 
225  mViewportListener->stopListen();
226 }
227 
228 } // namespace cx
boost::shared_ptr< class SpaceProvider > SpaceProviderPtr
bool getShowSector() const
Definition: cxVideoRep.cpp:105
VideoFixedPlaneRep(const QString &uid, const QString &name="")
Definition: cxVideoRep.cpp:58
void setTool(ToolPtr tool)
Definition: cxVideoRep.cpp:127
void setRealtimeStream(VideoSourcePtr data)
Definition: cxVideoRep.cpp:133
virtual void addRepActorsToViewRenderer(ViewPtr view)
Definition: cxVideoRep.cpp:199
boost::shared_ptr< class View > ViewPtr
bool similar(const DoubleBoundingBox3D &a, const DoubleBoundingBox3D &b, double tol)
Listens to changes in viewport and camera matrix.
Helper class for displaying a VideoSource.
virtual void removeRepActorsFromViewRenderer(ViewPtr view)
Definition: cxVideoRep.cpp:214
vtkSmartPointer< class vtkRenderer > vtkRendererPtr
Helper for rendering a a polydata in 3D.
vtkPolyDataPtr getSectorSectorOnlyLinesOnly()
get a polydata representation of the us sector
virtual ~VideoFixedPlaneRep()
Definition: cxVideoRep.cpp:95
Helper for drawing text in 2D.
boost::shared_ptr< class VideoSource > VideoSourcePtr
vtkPolyDataPtr getClipRectLinesOnly()
get a polydata representation of the us clip rect
Default implementation of Rep.
Definition: cxRepImpl.h:63
Eigen::Vector3d Vector3D
Vector3D is a representation of a point or vector in 3D.
Definition: cxVector3D.h:63
void setShowSector(bool on)
Definition: cxVideoRep.cpp:99
vtkPolyDataPtr getOriginPolyData()
get a polydata representation of the origin
void setData(ProbeDefinition data)
boost::shared_ptr< class Tool > ToolPtr