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 #include <Prs3d_LineAspect.hxx>
  32
  33 #include <OpenGl_Element.hxx>
  34 #include <OpenGl_GraphicDriver.hxx>
  35 #include <OpenGl_Context.hxx>
  36 #include <OpenGl_View.hxx>
  37 #include <OpenGl_Group.hxx>
  38
  39 #ifdef WIN32
  40 # define FSEP "\\"
  41 #else
  42 # define FSEP "/"
  43 #endif
  44
  45 /// Step between icons
  46 static const double MyDist = 0.02;
  47
  48
  49 //**************************************************************
  50 //! Redefinition of OpenGl_Element
  51 class SketcherPrs_SymbolArray: public OpenGl_PrimitiveArray
  52 {
  53 public:
  54   SketcherPrs_SymbolArray(const OpenGl_GraphicDriver* theDriver,
  55     const Handle(SketcherPrs_SymbolPrs)& theObj, const Handle(AIS_InteractiveContext)& theCtx)
  56     :OpenGl_PrimitiveArray(theDriver, theObj->myPntArray->Type(), theObj->myPntArray->Indices(),
  57     theObj->myPntArray->Attributes(), theObj->myPntArray->Bounds()), myObj(theObj),
  58     myContext(theCtx) {}
  59
  60   virtual void Render(const Handle(OpenGl_Workspace)& theWorkspace) const
  61   {
  62     ModelAPI_Feature* aConstraint = myObj->feature();
  63     if (aConstraint->data().get() && aConstraint->data()->isValid()) {
  64       Handle(OpenGl_View) aView = theWorkspace->View();
  65       double aScale = aView->Camera()->Scale();
  66       // Update points coordinate taking the viewer scale into account
  67       myObj->updateIfReadyToDisplay(MyDist * aScale, myObj->myIsCustomColor);
  68       if (myIsVboInit) {
  69         if (myVboAttribs) {
  70           const Handle(OpenGl_Context)& aCtx = theWorkspace->GetGlContext();
  71           Handle(Graphic3d_Buffer) aAttr = myObj->myPntArray->Attributes();
  72           myVboAttribs->init(aCtx, 0, aAttr->NbElements,
  73                              aAttr->Data(), GL_NONE, aAttr->Stride);
  74         } else
  75           myIsVboInit = false;
  76       } else {
  77         myAttribs = myObj->myPntArray->Attributes();
  78         myIndices = myObj->myPntArray->Indices();
  79         myBounds = myObj->myPntArray->Bounds();
  80       }
  81     }
  82     OpenGl_PrimitiveArray::Render(theWorkspace);
  83
  84     // Update selection position only if there is no selected object
  85     // because it can corrupt selection of other objects
  86     if ((myContext->NbCurrents() == 0) && (myContext->NbSelected() == 0))  {
  87       myContext->MainSelector()->RebuildSensitivesTree(myObj);
  88       myContext->MainSelector()->RebuildObjectsTree (false);
  89     }
  90   }
  91
  92 private:
  93   Handle(SketcherPrs_SymbolPrs) myObj;
  94   Handle(AIS_InteractiveContext) myContext;
  95 };
  96
  97
  98 //*****************************************************************************
  99 IMPLEMENT_STANDARD_RTTIEXT(SketcherPrs_SymbolPrs, AIS_InteractiveObject);
 100
 101
 102 std::map<const char*, Handle(Image_AlienPixMap)> SketcherPrs_SymbolPrs::myIconsMap;
 103
 104
 105 SketcherPrs_SymbolPrs::SketcherPrs_SymbolPrs(ModelAPI_Feature* theConstraint,
 106                                              const std::shared_ptr<GeomAPI_Ax3>& thePlane)
 107  : AIS_InteractiveObject(), myConstraint(theConstraint), myPlane(thePlane), myIsCustomColor(false)
 108 {
 109   SetAutoHilight(Standard_False);
 110 }
 111
 112 //*********************************************************************************
 113 SketcherPrs_SymbolPrs::~SketcherPrs_SymbolPrs()
 114 {
 115   SketcherPrs_PositionMgr* aMgr = SketcherPrs_PositionMgr::get();
 116   // Empty memory in position manager
 117   aMgr->deleteConstraint(this);
 118
 119   Handle(Prs3d_Presentation) aSelPrs =
 120     GetSelectPresentation(Handle(PrsMgr_PresentationManager3d)());
 121   if (!aSelPrs.IsNull()) {
 122       if (!aSelPrs->Groups().IsEmpty()) {
 123         aSelPrs->Clear();
 124       }
 125       aSelPrs->Erase();
 126   }
 127   Handle(Prs3d_Presentation) aHilightPrs =
 128     GetHilightPresentation(Handle(PrsMgr_PresentationManager3d)());
 129   if (!aHilightPrs.IsNull()) {
 130     if (!aHilightPrs->Groups().IsEmpty()) {
 131       aHilightPrs->Clear();
 132     }
 133     aHilightPrs->Erase();
 134   }
 135 }
 136
 137 #ifdef _WINDOWS
 138 #pragma warning( disable : 4996 )
 139 #endif
 140
 141 //*********************************************************************************
 142 Handle(Image_AlienPixMap) SketcherPrs_SymbolPrs::icon()
 143 {
 144   if (myIconsMap.count(iconName()) == 1) {
 145     return myIconsMap[iconName()];
 146   }
 147   // Load icon for the presentation
 148   std::string aFile;
 149   char* anEnv = getenv("SHAPER_ROOT_DIR");
 150   if (anEnv) {
 151     aFile = std::string(anEnv) +
 152       FSEP + "share" + FSEP + "salome" + FSEP + "resources" + FSEP + "shaper";
 153   } else {
 154     anEnv = getenv("OPENPARTS_ROOT_DIR");
 155     if (anEnv)
 156       aFile = std::string(anEnv) + FSEP + "resources";
 157   }
 158
 159   aFile += FSEP;
 160   aFile += iconName();
 161   Handle(Image_AlienPixMap) aPixMap = new Image_AlienPixMap();
 162   if (aPixMap->Load(aFile.c_str())) {
 163     myIconsMap[iconName()] = aPixMap;
 164     return aPixMap;
 165   }
 166   // The icon for constraint is not found
 167   static const char aMsg[] = "Error! constraint images are not found";
 168   cout<<aMsg<<endl;
 169   Events_InfoMessage("SketcherPrs_SymbolPrs", aMsg).send();
 170   myIconsMap[iconName()] = Handle(Image_AlienPixMap)();
 171   return Handle(Image_AlienPixMap)();
 172 }
 173
 174 //*********************************************************************************
 175 void SketcherPrs_SymbolPrs::prepareAspect()
 176 {
 177   // Create an aspect with the icon
 178   if (myAspect.IsNull()) {
 179     Handle(Image_AlienPixMap) aIcon = icon();
 180     if (aIcon.IsNull())
 181       myAspect = new Graphic3d_AspectMarker3d();
 182     else
 183       myAspect = new Graphic3d_AspectMarker3d(aIcon);
 184
 185     myAspect->SetColor(myCustomColor);
 186   }
 187 }
 188
 189 //*********************************************************************************
 190 void SketcherPrs_SymbolPrs::addLine(const Handle(Graphic3d_Group)& theGroup,
 191                                     std::string theAttrName) const
 192 {
 193   ObjectPtr aObj = SketcherPrs_Tools::getResult(myConstraint, theAttrName);
 194   std::shared_ptr<GeomAPI_Shape> aLine = SketcherPrs_Tools::getShape(aObj);
 195   if (aLine.get() == NULL)
 196     return;
 197   std::shared_ptr<GeomAPI_Edge> aEdge = std::shared_ptr<GeomAPI_Edge>(new GeomAPI_Edge(aLine));
 198
 199   std::shared_ptr<GeomAPI_Pnt> aPnt1 = aEdge->firstPoint();
 200   std::shared_ptr<GeomAPI_Pnt> aPnt2 = aEdge->lastPoint();
 201   gp_Pnt aP1 = aPnt1->impl<gp_Pnt>();
 202   gp_Pnt aP2 = aPnt2->impl<gp_Pnt>();
 203
 204   // Draw line by two points
 205   Handle(Graphic3d_ArrayOfSegments) aLines = new Graphic3d_ArrayOfSegments(2, 1);
 206   aLines->AddVertex(aPnt1->impl<gp_Pnt>());
 207   aLines->AddVertex(aPnt2->impl<gp_Pnt>());
 208   theGroup->AddPrimitiveArray(aLines);
 209 }
 210
 211 //*********************************************************************************
 212 void SketcherPrs_SymbolPrs::HilightSelected(const Handle(PrsMgr_PresentationManager3d)& thePM,
 213                                             const SelectMgr_SequenceOfOwner& theOwners)
 214 {
 215   Handle( Prs3d_Presentation ) aSelectionPrs = GetSelectPresentation( thePM );
 216   aSelectionPrs->Clear();
 217   drawLines(aSelectionPrs, GetContext()->SelectionStyle()->Color());
 218
 219   aSelectionPrs->SetDisplayPriority(9);
 220   aSelectionPrs->Display();
 221   thePM->Color(this, GetContext()->SelectionStyle());
 222 }
 223
 224 //*********************************************************************************
 225 void SketcherPrs_SymbolPrs::HilightOwnerWithColor(
 226                                   const Handle(PrsMgr_PresentationManager3d)& thePM,
 227                                   const Handle(Graphic3d_HighlightStyle)& theStyle,
 228                                   const Handle(SelectMgr_EntityOwner)& theOwner)
 229 {
 230   thePM->Color(this, theStyle);
 231
 232   Handle( Prs3d_Presentation ) aHilightPrs = GetHilightPresentation( thePM );
 233   aHilightPrs->Clear();
 234   drawLines(aHilightPrs, theStyle->Color());
 235   aHilightPrs->SetZLayer(Graphic3d_ZLayerId_Topmost);
 236
 237   if (thePM->IsImmediateModeOn())
 238     thePM->AddToImmediateList(aHilightPrs);
 239 }
 240
 241 //*********************************************************************************
 242 void SketcherPrs_SymbolPrs::Compute(
 243                 const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
 244                 const Handle(Prs3d_Presentation)& thePresentation,
 245                 const Standard_Integer theMode)
 246 {
 247   // Create an icon
 248   prepareAspect();
 249
 250   Handle(AIS_InteractiveContext) aCtx = GetContext();
 251   Handle(OpenGl_GraphicDriver) aDriver =
 252     Handle(OpenGl_GraphicDriver)::DownCast(aCtx->CurrentViewer()->Driver());
 253   if (aDriver.IsNull())
 254     return;
 255
 256   // Update points with default shift value
 257   // it updates array of points if the presentation is ready to display, or the array of points
 258   // contains the previous values
 259
 260   bool aReadyToDisplay = updateIfReadyToDisplay(20, myIsCustomColor);
 261
 262   int aNbVertex = myPntArray->VertexNumber();
 263   if (myOwner.IsNull()) {
 264     myOwner = new SelectMgr_EntityOwner(this);
 265   }
 266
 267   // Create sensitive point for each symbol
 268   mySPoints.Clear();
 269   for (int i = 1; i <= aNbVertex; i++) {
 270     Handle(SketcherPrs_SensitivePoint) aSP = new SketcherPrs_SensitivePoint(myOwner, i);
 271     mySPoints.Append(aSP);
 272     if (myIsCustomColor)
 273       myPntArray->SetVertexColor(i, myCustomColor);
 274   }
 275
 276   Handle(OpenGl_Group) aGroup =
 277     Handle(OpenGl_Group)::DownCast(Prs3d_Root::CurrentGroup (thePresentation));
 278   aGroup->SetPrimitivesAspect(myAspect);
 279
 280   // Recompute boundary box of the group
 281   Graphic3d_BndBox4f& aBnd = aGroup->ChangeBoundingBox();
 282   gp_Pnt aVert;
 283   aBnd.Clear();
 284   for (int i = 1; i <= myPntArray->ItemNumber(); i++) {
 285     aVert = myPntArray->Vertice(i);
 286     aBnd.Add(Graphic3d_Vec4((float)aVert.X(), (float)aVert.Y(), (float)aVert.Z(), 1.0f));
 287   }
 288
 289   // Pint the group with custom procedure (see Render)
 290   SketcherPrs_SymbolArray* aElem =
 291     new SketcherPrs_SymbolArray((OpenGl_GraphicDriver*)aDriver->This(), this, GetContext());
 292   aGroup->AddElement(aElem);
 293
 294   // Disable frustum culling for this object by marking it as mutable
 295   aGroup->Structure()->SetMutable(true);
 296
 297   if (!aReadyToDisplay)
 298     SketcherPrs_Tools::sendEmptyPresentationError(myConstraint,
 299                           "An empty AIS presentation: SketcherPrs_LengthDimension");
 300 }
 301
 302
 303 //*********************************************************************************
 304 void SketcherPrs_SymbolPrs::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
 305                                              const Standard_Integer aMode)
 306 {
 307   ClearSelected();
 308   if ((aMode == 0) || (aMode == SketcherPrs_Tools::Sel_Constraint)) {
 309     for (int i = 1; i <= mySPoints.Length(); i++)
 310       aSelection->Add(mySPoints.Value(i));
 311   }
 312 }
 313
 314 //*********************************************************************************
 315 void SketcherPrs_SymbolPrs::SetCustomColor(const std::vector<int>& theColor)
 316 {
 317   myIsCustomColor = !theColor.empty();
 318   if (myIsCustomColor)
 319     myCustomColor = Quantity_Color(theColor[0] / 255., theColor[1] / 255.,
 320                                    theColor[2] / 255., Quantity_TOC_RGB);
 321   else
 322     myCustomColor = Quantity_Color (1.0, 1.0, 0.0, Quantity_TOC_RGB);
 323
 324   if (!myAspect.IsNull())
 325     myAspect->SetColor (myCustomColor);
 326 }
 327
 328 //*********************************************************************************
 329 void SketcherPrs_SymbolPrs::drawShape(const std::shared_ptr<GeomAPI_Shape>& theShape,
 330                                       const Handle(Prs3d_Presentation)& thePrs,
 331                                       Quantity_Color theColor) const
 332 {
 333   int aColNam = theColor.Name();
 334   //cout<<"### SketcherPrs_SymbolPrs::drawShape "<<theColor.Name()<<endl;
 335   Handle(Graphic3d_AspectLine3d) aLineAspect =
 336     new Graphic3d_AspectLine3d(theColor, Aspect_TOL_SOLID, 2);
 337
 338   Handle(Prs3d_LineAspect) aLinesStyle = myDrawer->LineAspect();
 339   Handle(Graphic3d_AspectLine3d) aOldStyle = aLinesStyle->Aspect();
 340   aLinesStyle->SetAspect(aLineAspect);
 341   myDrawer->SetLineAspect(aLinesStyle);
 342
 343   if (theShape->isEdge()) {
 344     // The shape is edge
 345     std::shared_ptr<GeomAPI_Curve> aCurve =
 346       std::shared_ptr<GeomAPI_Curve>(new GeomAPI_Curve(theShape));
 347     if (aCurve->isLine()) {
 348       // The shape is line
 349       GeomAdaptor_Curve
 350         aCurv(aCurve->impl<Handle(Geom_Curve)>(), aCurve->startParam(), aCurve->endParam());
 351       StdPrs_Curve::Add(thePrs, aCurv, myDrawer);
 352     } else {
 353       // The shape is circle or arc
 354       GeomAdaptor_Curve
 355         aAdaptor(aCurve->impl<Handle(Geom_Curve)>(), aCurve->startParam(), aCurve->endParam());
 356       StdPrs_DeflectionCurve::Add(thePrs,aAdaptor,myDrawer);
 357     }
 358   } else if (theShape->isVertex()) {
 359     // draw vertex
 360     std::shared_ptr<GeomAPI_Vertex> aVertex =
 361       std::shared_ptr<GeomAPI_Vertex>(new GeomAPI_Vertex(theShape));
 362     std::shared_ptr<GeomAPI_Pnt> aPnt = aVertex->point();
 363     Handle(Geom_CartesianPoint) aPoint = new Geom_CartesianPoint(aPnt->impl<gp_Pnt>());
 364     StdPrs_Point::Add(thePrs, aPoint, myDrawer);
 365   }
 366
 367   aLinesStyle->SetAspect(aOldStyle);
 368   myDrawer->SetLineAspect(aLinesStyle);
 369 }
 370
 371 //*********************************************************************************
 372 void SketcherPrs_SymbolPrs::drawListOfShapes(
 373                       const std::shared_ptr<ModelAPI_AttributeRefList>& theListAttr,
 374                       const Handle(Prs3d_Presentation)& thePrs, Quantity_Color theColor) const
 375 {
 376   int aNb = theListAttr->size();
 377   if (aNb == 0)
 378     return;
 379   int i;
 380   ObjectPtr aObj;
 381   for (i = 0; i < aNb; i++) {
 382     aObj = theListAttr->object(i);
 383     std::shared_ptr<GeomAPI_Shape> aShape = SketcherPrs_Tools::getShape(aObj);
 384     if (aShape.get() != NULL)
 385       drawShape(aShape, thePrs, theColor);
 386   }
 387 }
 388
 389 //*********************************************************************************
 390 void SketcherPrs_SymbolPrs::BoundingBox(Bnd_Box& theBndBox)
 391 {
 392   Select3D_BndBox3d aTmpBox;
 393   for (Select3D_EntitySequenceIter aPntIter (mySPoints); aPntIter.More(); aPntIter.Next()) {
 394     const Handle(Select3D_SensitiveEntity)& anEnt = aPntIter.Value();
 395     aTmpBox.Combine (anEnt->BoundingBox());
 396   }
 397
 398   theBndBox.Update (aTmpBox.CornerMin().x(), aTmpBox.CornerMin().y(), aTmpBox.CornerMin().z(),
 399                     aTmpBox.CornerMax().x(), aTmpBox.CornerMax().y(), aTmpBox.CornerMax().z());
 400 }
 401