src/SketcherPrs/SketcherPrs_SymbolPrs.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:        SketcherPrs_SymbolPrs.cpp
   4 // Created:     12 March 2015
   5 // Author:      Vitaly SMETANNIKOV
   6
   7 #include "SketcherPrs_SymbolPrs.h"
   8 #include "SketcherPrs_Tools.h"
   9 #include "SketcherPrs_PositionMgr.h"
  10
  11 #include <GeomAPI_Edge.h>
  12 #include <GeomAPI_Vertex.h>
  13 #include <GeomAPI_Curve.h>
  14
  15 #include <Events_InfoMessage.h>
  16
  17 #include <Graphic3d_ArrayOfSegments.hxx>
  18 #include <Graphic3d_BndBox4f.hxx>
  19
  20 #include <SelectMgr_Selection.hxx>
  21 #include <Select3D_SensitivePoint.hxx>
  22 #include <TopLoc_Location.hxx>
  23 #include <AIS_InteractiveContext.hxx>
  24 #include <V3d_Viewer.hxx>
  25 #include <Prs3d_Root.hxx>
  26 #include <Geom_CartesianPoint.hxx>
  27 #include <GeomAdaptor_Curve.hxx>
  28 #include <StdPrs_DeflectionCurve.hxx>
  29 #include <StdPrs_Point.hxx>
  30 #include <StdPrs_Curve.hxx>
  31
  32 #include <OpenGl_Element.hxx>
  33 #include <OpenGl_GraphicDriver.hxx>
  34 #include <OpenGl_Context.hxx>
  35 #include <OpenGl_View.hxx>
  36 #include <OpenGl_Group.hxx>
  37
  38 #ifdef WIN32
  39 # define FSEP "\\"
  40 #else
  41 # define FSEP "/"
  42 #endif
  43
  44 /// Step between icons
  45 static const double MyDist = 0.02;
  46
  47
  48 //**************************************************************
  49 //! Redefinition of OpenGl_Element
  50 class SketcherPrs_SymbolArray: public OpenGl_PrimitiveArray
  51 {
  52 public:
  53   SketcherPrs_SymbolArray(const OpenGl_GraphicDriver* theDriver,
  54     const Handle(SketcherPrs_SymbolPrs)& theObj)
  55     :OpenGl_PrimitiveArray(theDriver, theObj->myPntArray->Type(), theObj->myPntArray->Indices(),
  56     theObj->myPntArray->Attributes(), theObj->myPntArray->Bounds()), myObj(theObj) {}
  57
  58   virtual void Render(const Handle(OpenGl_Workspace)& theWorkspace) const
  59   {
  60     ModelAPI_Feature* aConstraint = myObj->feature();
  61     if (aConstraint->data().get() && aConstraint->data()->isValid()) {
  62       Handle(OpenGl_View) aView = theWorkspace->View();
  63       double aScale = aView->Camera()->Scale();
  64       // Update points coordinate taking the viewer scale into account
  65       myObj->updateIfReadyToDisplay(MyDist * aScale);
  66       if (myIsVboInit) {
  67         const Handle(OpenGl_Context)& aCtx = theWorkspace->GetGlContext();
  68         Handle(Graphic3d_Buffer) aAttr = myObj->myPntArray->Attributes();
  69         myVboAttribs->init(aCtx, 0, aAttr->NbElements,
  70                            aAttr->Data(), GL_NONE, aAttr->Stride);
  71       } else {
  72         myAttribs = myObj->myPntArray->Attributes();
  73         myIndices = myObj->myPntArray->Indices();
  74         myBounds = myObj->myPntArray->Bounds();
  75       }
  76     }
  77     OpenGl_PrimitiveArray::Render(theWorkspace);
  78   }
  79
  80 private:
  81   Handle(SketcherPrs_SymbolPrs) myObj;
  82 };
  83
  84
  85 //*****************************************************************************
  86 IMPLEMENT_STANDARD_RTTIEXT(SketcherPrs_SymbolPrs, AIS_InteractiveObject);
  87
  88
  89 std::map<const char*, Handle(Image_AlienPixMap)> SketcherPrs_SymbolPrs::myIconsMap;
  90
  91
  92 SketcherPrs_SymbolPrs::SketcherPrs_SymbolPrs(ModelAPI_Feature* theConstraint,
  93                                              const std::shared_ptr<GeomAPI_Ax3>& thePlane)
  94  : AIS_InteractiveObject(), myConstraint(theConstraint), myPlane(thePlane), myIsConflicting(false)
  95 {
  96   SetAutoHilight(Standard_False);
  97   myPntArray = new Graphic3d_ArrayOfPoints(1);
  98   myPntArray->AddVertex(0., 0., 0.);
  99 }
 100
 101 //*********************************************************************************
 102 SketcherPrs_SymbolPrs::~SketcherPrs_SymbolPrs()
 103 {
 104   SketcherPrs_PositionMgr* aMgr = SketcherPrs_PositionMgr::get();
 105   // Empty memory in position manager
 106   aMgr->deleteConstraint(this);
 107 }
 108
 109 #ifdef _WINDOWS
 110 #pragma warning( disable : 4996 )
 111 #endif
 112
 113 //*********************************************************************************
 114 Handle(Image_AlienPixMap) SketcherPrs_SymbolPrs::icon()
 115 {
 116   if (myIconsMap.count(iconName()) == 1) {
 117     return myIconsMap[iconName()];
 118   }
 119   // Load icon for the presentation
 120   std::string aFile;
 121   char* anEnv = getenv("SHAPER_ROOT_DIR");
 122   if (anEnv) {
 123     aFile = std::string(anEnv) +
 124       FSEP + "share" + FSEP + "salome" + FSEP + "resources" + FSEP + "shaper";
 125   } else {
 126     anEnv = getenv("OPENPARTS_ROOT_DIR");
 127     if (anEnv)
 128       aFile = std::string(anEnv) + FSEP + "resources";
 129   }
 130
 131   aFile += FSEP;
 132   aFile += iconName();
 133   Handle(Image_AlienPixMap) aPixMap = new Image_AlienPixMap();
 134   if (aPixMap->Load(aFile.c_str())) {
 135     myIconsMap[iconName()] = aPixMap;
 136     return aPixMap;
 137   }
 138   // The icon for constraint is not found
 139   static const char aMsg[] = "Error! constraint images are not found";
 140   cout<<aMsg<<endl;
 141   Events_InfoMessage("SketcherPrs_SymbolPrs", aMsg).send();
 142   myIconsMap[iconName()] = Handle(Image_AlienPixMap)();
 143   return Handle(Image_AlienPixMap)();
 144 }
 145
 146 //*********************************************************************************
 147 void SketcherPrs_SymbolPrs::prepareAspect()
 148 {
 149   // Create an aspect with the icon
 150   if (myAspect.IsNull()) {
 151     Handle(Image_AlienPixMap) aIcon = icon();
 152     if (aIcon.IsNull())
 153       myAspect = new Graphic3d_AspectMarker3d();
 154     else
 155       myAspect = new Graphic3d_AspectMarker3d(aIcon);
 156   }
 157 }
 158
 159 //*********************************************************************************
 160 void SketcherPrs_SymbolPrs::addLine(const Handle(Graphic3d_Group)& theGroup,
 161                                     std::string theAttrName) const
 162 {
 163   ObjectPtr aObj = SketcherPrs_Tools::getResult(myConstraint, theAttrName);
 164   std::shared_ptr<GeomAPI_Shape> aLine = SketcherPrs_Tools::getShape(aObj);
 165   if (aLine.get() == NULL)
 166     return;
 167   std::shared_ptr<GeomAPI_Edge> aEdge = std::shared_ptr<GeomAPI_Edge>(new GeomAPI_Edge(aLine));
 168
 169   std::shared_ptr<GeomAPI_Pnt> aPnt1 = aEdge->firstPoint();
 170   std::shared_ptr<GeomAPI_Pnt> aPnt2 = aEdge->lastPoint();
 171   gp_Pnt aP1 = aPnt1->impl<gp_Pnt>();
 172   gp_Pnt aP2 = aPnt2->impl<gp_Pnt>();
 173
 174   // Draw line by two points
 175   Handle(Graphic3d_ArrayOfSegments) aLines = new Graphic3d_ArrayOfSegments(2, 1);
 176   aLines->AddVertex(aPnt1->impl<gp_Pnt>());
 177   aLines->AddVertex(aPnt2->impl<gp_Pnt>());
 178   theGroup->AddPrimitiveArray(aLines);
 179 }
 180
 181 //*********************************************************************************
 182 void SketcherPrs_SymbolPrs::HilightSelected(const Handle(PrsMgr_PresentationManager3d)& thePM,
 183                                             const SelectMgr_SequenceOfOwner& theOwners)
 184 {
 185
 186   Handle( Prs3d_Presentation ) aSelectionPrs = GetSelectPresentation( thePM );
 187   aSelectionPrs->Clear();
 188   drawLines(aSelectionPrs, GetContext()->SelectionStyle()->Color());
 189
 190   aSelectionPrs->SetDisplayPriority(9);
 191   aSelectionPrs->Display();
 192   thePM->Color(this, GetContext()->SelectionStyle());
 193 }
 194
 195 //*********************************************************************************
 196 void SketcherPrs_SymbolPrs::HilightOwnerWithColor(
 197                                   const Handle(PrsMgr_PresentationManager3d)& thePM,
 198                                   const Handle(Graphic3d_HighlightStyle)& theStyle,
 199                                   const Handle(SelectMgr_EntityOwner)& theOwner)
 200 {
 201   thePM->Color(this, theStyle);
 202
 203   Handle( Prs3d_Presentation ) aHilightPrs = GetHilightPresentation( thePM );
 204   aHilightPrs->Clear();
 205   drawLines(aHilightPrs, theStyle->Color());
 206   aHilightPrs->SetZLayer(Graphic3d_ZLayerId_Topmost);
 207
 208   if (thePM->IsImmediateModeOn())
 209     thePM->AddToImmediateList(aHilightPrs);
 210 }
 211
 212 //*********************************************************************************
 213 void SketcherPrs_SymbolPrs::Compute(
 214                 const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
 215                 const Handle(Prs3d_Presentation)& thePresentation,
 216                 const Standard_Integer theMode)
 217 {
 218   // Create an icon
 219   prepareAspect();
 220
 221   Handle(AIS_InteractiveContext) aCtx = GetContext();
 222   Handle(OpenGl_GraphicDriver) aDriver =
 223     Handle(OpenGl_GraphicDriver)::DownCast(aCtx->CurrentViewer()->Driver());
 224   if (aDriver.IsNull())
 225     return;
 226
 227   // Update points with default shift value
 228   // it updates array of points if the presentation is ready to display, or the array of points
 229   // contains the previous values
 230
 231   bool aReadyToDisplay = updateIfReadyToDisplay(20);
 232
 233   int aNbVertex = myPntArray->VertexNumber();
 234   if (myOwner.IsNull()) {
 235     myOwner = new SelectMgr_EntityOwner(this);
 236   }
 237
 238   // Create sensitive point for each symbol
 239   mySPoints.Clear();
 240   for (int i = 1; i <= aNbVertex; i++) {
 241     Handle(SketcherPrs_SensitivePoint) aSP = new SketcherPrs_SensitivePoint(myOwner, i);
 242     mySPoints.Append(aSP);
 243   }
 244
 245   Handle(OpenGl_Group) aGroup = Handle(OpenGl_Group)::DownCast(thePresentation->NewGroup());
 246   aGroup->SetPrimitivesAspect(myAspect);
 247
 248   // Recompute boundary box of the group
 249   Graphic3d_BndBox4f& aBnd = aGroup->ChangeBoundingBox();
 250   gp_Pnt aVert;
 251   aBnd.Clear();
 252   for (int i = 1; i <= myPntArray->ItemNumber(); i++) {
 253     aVert = myPntArray->Vertice(i);
 254     aBnd.Add (Graphic3d_Vec4((float)aVert.X(), (float)aVert.Y(), (float)aVert.Z(), 1.0f));
 255   }
 256
 257   // Pint the group with custom procedure (see Render)
 258   SketcherPrs_SymbolArray* aElem =
 259     new SketcherPrs_SymbolArray((OpenGl_GraphicDriver*)aDriver->This(), this);
 260   aGroup->AddElement(aElem);
 261
 262   // Disable frustum culling for this object by marking it as mutable
 263   //aGroup->Structure()->SetMutable(true);
 264
 265   if (!aReadyToDisplay)
 266     SketcherPrs_Tools::sendEmptyPresentationError(myConstraint,
 267                           "An empty AIS presentation: SketcherPrs_LengthDimension");
 268 }
 269
 270
 271 //*********************************************************************************
 272 void SketcherPrs_SymbolPrs::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
 273                                              const Standard_Integer aMode)
 274 {
 275   ClearSelected();
 276   if ((aMode == 0) || (aMode == SketcherPrs_Tools::Sel_Constraint)) {
 277     for (int i = 1; i <= mySPoints.Length(); i++)
 278       aSelection->Add(mySPoints.Value(i));
 279   }
 280 }
 281
 282 //*********************************************************************************
 283 void SketcherPrs_SymbolPrs::SetConflictingConstraint(const bool& theConflicting,
 284                                                      const std::vector<int>& theColor)
 285 {
 286   if (theConflicting)
 287   {
 288     if (!myAspect.IsNull())
 289       myAspect->SetColor (Quantity_Color (theColor[0] / 255., theColor[1] / 255.,
 290                           theColor[2] / 255., Quantity_TOC_RGB));
 291     myIsConflicting = true;
 292   }
 293   else
 294   {
 295     if (!myAspect.IsNull())
 296       myAspect->SetColor (Quantity_Color (1.0, 1.0, 0.0, Quantity_TOC_RGB));
 297     myIsConflicting = false;
 298   }
 299 }
 300
 301 //*********************************************************************************
 302 void SketcherPrs_SymbolPrs::drawShape(const std::shared_ptr<GeomAPI_Shape>& theShape,
 303                                       const Handle(Prs3d_Presentation)& thePrs) const
 304 {
 305   if (theShape->isEdge()) {
 306     // The shape is edge
 307     std::shared_ptr<GeomAPI_Curve> aCurve =
 308       std::shared_ptr<GeomAPI_Curve>(new GeomAPI_Curve(theShape));
 309     if (aCurve->isLine()) {
 310       // The shape is line
 311       GeomAdaptor_Curve
 312         aCurv(aCurve->impl<Handle(Geom_Curve)>(), aCurve->startParam(), aCurve->endParam());
 313       StdPrs_Curve::Add(thePrs, aCurv, myDrawer);
 314     } else {
 315       // The shape is circle or arc
 316       GeomAdaptor_Curve
 317         aAdaptor(aCurve->impl<Handle(Geom_Curve)>(), aCurve->startParam(), aCurve->endParam());
 318       StdPrs_DeflectionCurve::Add(thePrs,aAdaptor,myDrawer);
 319     }
 320   } else if (theShape->isVertex()) {
 321     // draw vertex
 322     std::shared_ptr<GeomAPI_Vertex> aVertex =
 323       std::shared_ptr<GeomAPI_Vertex>(new GeomAPI_Vertex(theShape));
 324     std::shared_ptr<GeomAPI_Pnt> aPnt = aVertex->point();
 325     Handle(Geom_CartesianPoint) aPoint = new Geom_CartesianPoint(aPnt->impl<gp_Pnt>());
 326     StdPrs_Point::Add(thePrs, aPoint, myDrawer);
 327   }
 328 }
 329
 330 //*********************************************************************************
 331 void SketcherPrs_SymbolPrs::drawListOfShapes(
 332                       const std::shared_ptr<ModelAPI_AttributeRefList>& theListAttr,
 333                       const Handle(Prs3d_Presentation)& thePrs) const
 334 {
 335   int aNb = theListAttr->size();
 336   if (aNb == 0)
 337     return;
 338   int i;
 339   ObjectPtr aObj;
 340   for (i = 0; i < aNb; i++) {
 341     aObj = theListAttr->object(i);
 342     std::shared_ptr<GeomAPI_Shape> aShape = SketcherPrs_Tools::getShape(aObj);
 343     if (aShape.get() != NULL)
 344       drawShape(aShape, thePrs);
 345   }
 346 }
 347
 348 //*********************************************************************************
 349 void SketcherPrs_SymbolPrs::BoundingBox(Bnd_Box& theBndBox)
 350 {
 351   Select3D_BndBox3d aTmpBox;
 352   for (Select3D_EntitySequenceIter aPntIter (mySPoints); aPntIter.More(); aPntIter.Next()) {
 353     const Handle(Select3D_SensitiveEntity)& anEnt = aPntIter.Value();
 354     aTmpBox.Combine (anEnt->BoundingBox());
 355   }
 356
 357   theBndBox.Update (aTmpBox.CornerMin().x(), aTmpBox.CornerMin().y(), aTmpBox.CornerMin().z(),
 358                     aTmpBox.CornerMax().x(), aTmpBox.CornerMax().y(), aTmpBox.CornerMax().z());
 359 }
 360