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cxMetricNamesRep.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
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32 #include "cxMetricNamesRep.h"
33 
34 #include <vtkRenderer.h>
35 #include <vtkActor2D.h>
36 #include <vtkTextProperty.h>
37 #include <vtkTextMapper.h>
38 
39 #include "cxView.h"
40 #include "cxVtkHelperClasses.h"
41 #include "cxTypeConversions.h"
42 #include "cxDataMetric.h"
43 #include "cxLogger.h"
44 
45 
46 namespace cx
47 {
48 
50  RepImpl()
51 {
52  mFontSize = 20;
53 }
54 
56 {
57 }
58 
60 {
61  return wrap_new(new MetricNamesRep(), uid);
62 }
63 
65 {
66  for(unsigned i =0; i<mDisplayText.size(); ++i)
67  {
68  mDisplayText[i]->setRenderer(view->getRenderer());
69  }
70 }
71 
73 {
74  for(unsigned i =0; i<mDisplayText.size(); ++i)
75  {
76  mDisplayText[i]->setRenderer(NULL);
77  }
78 }
79 
80 void MetricNamesRep::setData(std::vector<DataPtr> data)
81 {
82  std::vector<DataMetricPtr> metrics = this->convertToMetrics(data);
83 
84  if (this->equal(metrics, mMetrics))
85  return;
86 
87  for (unsigned i=0; i<mMetrics.size(); ++i)
88  {
89  disconnect(mMetrics[i].get(), SIGNAL(transformChanged()), this, SLOT(setModified()));
90  disconnect(mMetrics[i].get(), SIGNAL(propertiesChanged()), this, SLOT(setModified()));
91  }
92 
93  mMetrics = metrics;
94 
95  for (unsigned i=0; i<mMetrics.size(); ++i)
96  {
97  connect(mMetrics[i].get(), SIGNAL(transformChanged()), this, SLOT(setModified()));
98  connect(mMetrics[i].get(), SIGNAL(propertiesChanged()), this, SLOT(setModified()));
99  }
100 
101  this->setColoredTextList(this->getAllMetricTexts(), Eigen::Array2d(0.98, 0.98));
102 }
103 
104 std::vector<DataMetricPtr> MetricNamesRep::convertToMetrics(std::vector<DataPtr> data)
105 {
106  std::vector<DataMetricPtr> metrics;
107  for (unsigned i=0; i<data.size(); ++i)
108  {
109  DataMetricPtr metric = boost::dynamic_pointer_cast<DataMetric>(data[i]);
110  if (metric)
111  metrics.push_back(metric);
112  }
113  return metrics;
114 }
115 
116 bool MetricNamesRep::equal(std::vector<DataMetricPtr> a, std::vector<DataMetricPtr> b) const
117 {
118  if (a.size()!=b.size())
119  return false;
120  for (unsigned i=0; i<a.size(); ++i)
121  if (a[i] != b[i])
122  return false;
123  return true;
124 }
125 
127 {
128  std::vector<std::pair<QColor, QString> > text;
129  text = this->getAllMetricTexts();
130  CX_ASSERT(text.size()==mDisplayText.size());
131 
132  for (unsigned i=0; i<mDisplayText.size(); ++i)
133  {
134  mDisplayText[i]->updateText(text[i].second);
135  mDisplayText[i]->setColor(text[i].first);
136  }
137 
138 }
139 
140 void MetricNamesRep::setColoredTextList(std::vector<std::pair<QColor, QString> > text, Eigen::Array2d pos, vtkViewport *vp)
141 {
142  mDisplayText.clear();
143 
144  if (vp==0)
145  {
146  vp = this->getRenderer();
147  }
148 // if (vp==0)
149 // {
150 // return;
151 // }
152 
154  bb = this->findNormalizedBoundingBoxAroundText(text, pos, vp);
155  double meanHeight = bb.range()[1]/text.size();
156 
157  for (unsigned i=0; i<text.size(); ++i)
158  {
159  TextDisplayPtr rep;
160  rep.reset( new TextDisplay( text[i].second, text[i].first, mFontSize) );
161  rep->textProperty()->SetJustificationToLeft();
162  rep->getActor()->GetPositionCoordinate()->SetCoordinateSystemToNormalizedViewport();
163 
164  Vector3D currentPos = bb.bottomLeft() + (meanHeight*i)*Eigen::Vector3d::UnitY();
165  rep->setPosition(currentPos);
166  rep->setRenderer(this->getRenderer());
167 
168  mDisplayText.push_back(rep);
169  }
170 }
171 
172 DoubleBoundingBox3D MetricNamesRep::findNormalizedBoundingBoxAroundText(std::vector<std::pair<QColor, QString> > text, Eigen::Array2d pos, vtkViewport *vp)
173 {
174  QStringList fullText;
175  for (unsigned i=0; i<text.size(); ++i)
176  fullText << text[i].second;
177  TextDisplay test(fullText.join("\n"), QColor(Qt::red), mFontSize);
178  test.textProperty()->SetJustificationToLeft();
179  double width_p = test.getMapper()->GetWidth(vp);
180  double height_p = test.getMapper()->GetHeight(vp);
181  height_p *= 1.1; // increase spacing
182 
183  Eigen::Array2i size_vp(vp->GetSize());
184  Eigen::Array2d normsize_box(width_p/size_vp[0], height_p/size_vp[1]);
185 
186  // move box into viewport:
187  double border = 0.02;
188  DoubleBoundingBox3D bb_vp(border, 1.0-border, border, 1.0-border, 0, 0);
189  DoubleBoundingBox3D bb_box(pos[0], pos[0]+normsize_box[0], pos[1], pos[1]+normsize_box[1], 0, 0);
190  bb_box = this->moveBoxIntoAnother(bb_box, bb_vp);
191 
192  return bb_box;
193 }
194 
196 {
197  // move negative direction
198  for (unsigned i=0; i<2; ++i)
199  {
200  double shift = another[2*i+1] - box[2*i+1];
201  if (shift < 0)
202  {
203  box[2*i] += shift;
204  box[2*i+1] += shift;
205  }
206  }
207 
208  // move positive direction
209  for (unsigned i=0; i<3; ++i)
210  {
211  double shift = another[2*i] - box[2*i];
212  if (shift > 0)
213  {
214  box[2*i] -= shift;
215  box[2*i+1] -= shift;
216  }
217  }
218 
219  return box;
220 }
221 
223 {
224  mFontSize = size;
225 }
226 
227 QString MetricNamesRep::getText(DataMetricPtr metric, bool showLabel) const
228 {
229  QStringList text;
230  if (showLabel)
231  text << metric->getName();
232  if (metric->showValueInGraphics())
233  text << metric->getValueAsString();
234  return text.join(" = ");
235 }
236 
237 std::vector<std::pair<QColor, QString> > MetricNamesRep::getAllMetricTexts() const
238 {
239  std::vector<std::pair<QColor, QString> > retval;
240 
241  for (unsigned i = 0; i < mMetrics.size(); ++i)
242  {
243  DataMetricPtr metric = mMetrics[i];
244  QString line = metric->getName();
245 
246  if (!metric->showValueInGraphics())
247  continue;
248 
249  QString text = this->getText(metric, true);
250  retval.push_back(std::make_pair(metric->getColor(), text));
251  }
252  std::reverse(retval.begin(), retval.end());
253  return retval;
254 }
255 
256 
257 } // namespace cx
258 
vtkTextProperty * textProperty()
vtkRendererPtr getRenderer()
Definition: cxRepImpl.cpp:109
#define CX_ASSERT(statement)
Definition: cxLogger.h:131
boost::shared_ptr< DataMetric > DataMetricPtr
Definition: cxDataMetric.h:95
std::vector< DataMetricPtr > convertToMetrics(std::vector< DataPtr > data)
void setFontSize(int size)
must be set before setting data
Vector3D bottomLeft() const
static boost::shared_ptr< REP > wrap_new(REP *object, QString uid)
Definition: cxRepImpl.h:83
boost::shared_ptr< class View > ViewPtr
void setColoredTextList(std::vector< std::pair< QColor, QString > > text, Eigen::Array2d pos, vtkViewport *vp=0)
boost::shared_ptr< class MetricNamesRep > MetricNamesRepPtr
static MetricNamesRepPtr New(const QString &uid="")
void setData(std::vector< DataPtr > data)
virtual void addRepActorsToViewRenderer(ViewPtr view)
Helper for drawing text in 2D.
boost::shared_ptr< class TextDisplay > TextDisplayPtr
Default implementation of Rep.
Definition: cxRepImpl.h:63
Representation of a floating-point bounding box in 3D. The data are stored as {xmin,xmax,ymin,ymax,zmin,zmax}, in order to simplify communication with vtk.
virtual void onModifiedStartRender()
DoubleBoundingBox3D moveBoxIntoAnother(DoubleBoundingBox3D box, DoubleBoundingBox3D another)
std::vector< std::pair< QColor, QString > > getAllMetricTexts() const
Eigen::Vector3d Vector3D
Vector3D is a representation of a point or vector in 3D.
Definition: cxVector3D.h:63
std::vector< TextDisplayPtr > mDisplayText
QString getText(DataMetricPtr metric, bool showLabel) const
virtual void removeRepActorsFromViewRenderer(ViewPtr view)
Base class for all Data Metrics.
Definition: cxDataMetric.h:64
bool equal(std::vector< DataMetricPtr > a, std::vector< DataMetricPtr > b) const
void setModified()
Definition: cxRepImpl.cpp:132
DoubleBoundingBox3D findNormalizedBoundingBoxAroundText(std::vector< std::pair< QColor, QString > > text, Eigen::Array2d pos, vtkViewport *vp)
std::vector< DataMetricPtr > mMetrics