Developer Documentation
StatusViewNodeT.cc
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46 * $Date: 2014-02-05 10:20:28 +0100 (Wed, 05 Feb 2014) $ *
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49 
50 
51 //=============================================================================
52 //
53 // StatusViewNode: Combined rendering of multiple Status Nodes
54 //
55 //=============================================================================
56 
57 #ifndef STATUSVIEWNODE_C
58 #define STATUSVIEWNODE_C
59 
60 //== INCLUDES =================================================================
61 
62 #include "StatusViewNodeT.hh"
63 #include <ACG/Scenegraph/DrawModes.hh>
64 
65 namespace ACG
66 {
67 namespace SceneGraph
68 {
69 
70 
71 //== IMPLEMENTATION ==========================================================
72 
73 template<class MeshT>
74 StatusViewNodeT<MeshT>::StatusViewNodeT(
75  BaseNode* _parent,
76  const std::string& _name,
77  ACG::SceneGraph::SelectionNodeT<MeshT>* _statusNode,
78  ACG::SceneGraph::StatusNodeT<MeshT, AreaNodeMod<MeshT> >* _areaNode,
79  ACG::SceneGraph::StatusNodeT<MeshT, HandleNodeMod<MeshT> >* _handleNode,
80  ACG::SceneGraph::StatusNodeT<MeshT, FeatureNodeMod<MeshT> >* _featureNode)
81  : BaseNode(_parent, _name),
82  statusNode_(_statusNode),
83  areaNode_(_areaNode),
84  handleNode_(_handleNode),
85  featureNode_(_featureNode),
86  statusNodeVis_(false),
87  areaNodeVis_(false),
88  handleNodeVis_(false),
89  featureNodeVis_(false)
90 {
91 }
92 
93 //----------------------------------------------------------------------------
94 
95 template <class MeshT>
96 void StatusViewNodeT<MeshT>::draw( GLState& _state, const DrawModes::DrawMode& _drawMode )
97 {
98  // extract all layers from drawmode
99 
100  DrawModes::DrawMode singleLayers[4]; // polygon, edge, halfedge, point
101 
102  // remove default property layer
103  for (int i = 0; i < 4; ++i)
104  singleLayers[i].removeLayer(0u);
105 
106  for (unsigned int i = 0; i < _drawMode.getNumLayers(); ++i)
107  {
108  const DrawModes::DrawModeProperties* props = _drawMode.getLayer(i);
109 
110  switch (props->primitive())
111  {
112  case DrawModes::PRIMITIVE_POLYGON: singleLayers[0].setDrawModeProperties(props); break;
113  case DrawModes::PRIMITIVE_EDGE: singleLayers[1].setDrawModeProperties(props); break;
114  case DrawModes::PRIMITIVE_HALFEDGE: singleLayers[2].setDrawModeProperties(props); break;
115  case DrawModes::PRIMITIVE_POINT: singleLayers[3].setDrawModeProperties(props); break;
116  default: break;
117  }
118  }
119 
120  // rendering order: faces -> edges -> halfedges -> points
121  // area -> handle -> feature -> selections
122  for (int i = 0; i < 4; ++i)
123  {
124 
125  if (singleLayers[i].getNumLayers() == 0)
126  {
127  DrawModes::DrawModeProperties defaultProps;
128 
129  switch (i)
130  {
131  case 0: defaultProps.primitive(DrawModes::PRIMITIVE_POLYGON); break;
132  case 1: defaultProps.primitive(DrawModes::PRIMITIVE_EDGE); break;
133  case 2: defaultProps.primitive(DrawModes::PRIMITIVE_HALFEDGE); break;
134  case 3: defaultProps.primitive(DrawModes::PRIMITIVE_POINT); break;
135  default: break;
136  }
137 
138  singleLayers[i].addLayer(&defaultProps);
139  }
140 
141  // call enter() and leave() to setup the correct material
142 
143  if (areaNodeVis_)
144  {
145  areaNode_->enter(_state, singleLayers[i]);
146  areaNode_->draw(_state, singleLayers[i]);
147  areaNode_->leave(_state, singleLayers[i]);
148  }
149 
150  if (handleNodeVis_)
151  {
152  handleNode_->enter(_state, singleLayers[i]);
153  handleNode_->draw(_state, singleLayers[i]);
154  handleNode_->leave(_state, singleLayers[i]);
155  }
156 
157  if (featureNodeVis_)
158  {
159  featureNode_->enter(_state, singleLayers[i]);
160  featureNode_->draw(_state, singleLayers[i]);
161  featureNode_->leave(_state, singleLayers[i]);
162  }
163 
164  if (statusNodeVis_)
165  {
166  statusNode_->enter(_state, singleLayers[i]);
167  statusNode_->draw(_state, singleLayers[i]);
168  statusNode_->leave(_state, singleLayers[i]);
169  }
170  }
171 
172 }
173 
174 //----------------------------------------------------------------------------
175 
176 template <class MeshT>
177 void StatusViewNodeT<MeshT>::getRenderObjects(IRenderer* _renderer, GLState& _state , const DrawModes::DrawMode& _drawMode , const Material* _mat)
178 {
179 
180 
181 
182  // extract all layers from drawmode
183 
184  DrawModes::DrawMode singleLayers[4]; // polygon, edge, halfedge, point
185 
186  // remove default property layer
187  for (int i = 0; i < 4; ++i)
188  singleLayers[i].removeLayer(0u);
189 
190  for (unsigned int i = 0; i < _drawMode.getNumLayers(); ++i)
191  {
192  const DrawModes::DrawModeProperties* props = _drawMode.getLayer(i);
193 
194  switch (props->primitive())
195  {
196  case DrawModes::PRIMITIVE_POLYGON: singleLayers[0].setDrawModeProperties(props); break;
197  case DrawModes::PRIMITIVE_EDGE: singleLayers[1].setDrawModeProperties(props); break;
198  case DrawModes::PRIMITIVE_HALFEDGE: singleLayers[2].setDrawModeProperties(props); break;
199  case DrawModes::PRIMITIVE_POINT: singleLayers[3].setDrawModeProperties(props); break;
200  default: break;
201  }
202  }
203 
204  // rendering order: faces -> edges -> halfedges -> points
205  // area -> handle -> feature -> selections
206  // rendering order only depends on priority in render objects
207  for (int i = 0; i < 4; ++i)
208  {
209 
210  if (singleLayers[i].getNumLayers() == 0)
211  {
212  DrawModes::DrawModeProperties defaultProps;
213 
214  switch (i)
215  {
216  case 0: defaultProps.primitive(DrawModes::PRIMITIVE_POLYGON); break;
217  case 1: defaultProps.primitive(DrawModes::PRIMITIVE_EDGE); break;
218  case 2: defaultProps.primitive(DrawModes::PRIMITIVE_HALFEDGE); break;
219  case 3: defaultProps.primitive(DrawModes::PRIMITIVE_POINT); break;
220  default: break;
221  }
222 
223  singleLayers[i].addLayer(&defaultProps);
224  }
225 
226  if (statusNodeVis_)
227  statusNode_->getRenderObjects(_renderer, _state, singleLayers[i], _mat);
228 
229  if (areaNodeVis_)
230  areaNode_->getRenderObjects(_renderer, _state, singleLayers[i], _mat);
231 
232  if (handleNodeVis_)
233  handleNode_->getRenderObjects(_renderer, _state, singleLayers[i], _mat);
234 
235  if (featureNodeVis_)
236  featureNode_->getRenderObjects(_renderer, _state, singleLayers[i], _mat);
237  }
238 }
239 
240 
241 //----------------------------------------------------------------------------
242 
243 template <class MeshT>
244 void StatusViewNodeT<MeshT>::enter( GLState& _state, const DrawModes::DrawMode& _drawmode )
245 {
246  statusNodeVis_ = statusNode_ && statusNode_->visible();
247  areaNodeVis_ = areaNode_ && areaNode_->visible();
248  handleNodeVis_ = handleNode_ && handleNode_->visible();
249  featureNodeVis_ = featureNode_ && featureNode_->visible();
250 
251  // these nodes are manually rendered in this StatusViewNode
252  // hide nodes to prevent drawing them again in the same draw traversal
253 
254  if (statusNodeVis_)
255  statusNode_->hide();
256  if (areaNodeVis_)
257  areaNode_->hide();
258  if (handleNodeVis_)
259  handleNode_->hide();
260  if (featureNodeVis_)
261  featureNode_->hide();
262 }
263 
264 //----------------------------------------------------------------------------
265 
266 template <class MeshT>
267 void StatusViewNodeT<MeshT>::leave( GLState& _state, const DrawModes::DrawMode& _drawmode )
268 {
269  if (statusNodeVis_)
270  statusNode_->show();
271  if (areaNodeVis_)
272  areaNode_->show();
273  if (handleNodeVis_)
274  handleNode_->show();
275  if (featureNodeVis_)
276  featureNode_->show();
277 }
278 
279 
280 }
281 }
282 
283 #endif // STATUSVIEWNODE_C
ACG::SceneGraph::BaseNode::enter
virtual void enter(GLState &, const DrawModes::DrawMode &)
Definition: BaseNode.hh:191
ACG
Namespace providing different geometric functions concerning angles.
Definition: DBSCANT.cc:51