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_PointSprite.hxx>
  37 //#include <OpenGl_VertexBuffer.hxx>
  38 #include <OpenGl_VertexBufferCompat.hxx>
  39 //#include <OpenGl_ShaderManager.hxx>
  40 #include <OpenGl_Group.hxx>
  41 #include <OpenGl_ShaderManager.hxx>
  42
  43 #ifdef WIN32
  44 # define FSEP "\\"
  45 #else
  46 # define FSEP "/"
  47 #endif
  48
  49 /// Step between icons
  50 static const double MyDist = 0.02;
  51
  52
  53 //**************************************************************
  54 //! Redefinition of OpenGl_Element
  55 class SketcherPrs_Element: public OpenGl_PrimitiveArray
  56 {
  57 public:
  58   SketcherPrs_Element(const OpenGl_GraphicDriver* theDriver,
  59     const Handle(SketcherPrs_SymbolPrs)& theObj)
  60     :OpenGl_PrimitiveArray(theDriver, theObj->myPntArray->Type(), theObj->myPntArray->Indices(),
  61     theObj->myPntArray->Attributes(), theObj->myPntArray->Bounds()), myObj(theObj) {}
  62
  63   virtual void Render(const Handle(OpenGl_Workspace)& theWorkspace) const
  64   {
  65     ModelAPI_Feature* aConstraint = myObj->feature();
  66     if (aConstraint->data().get() && aConstraint->data()->isValid()) {
  67       Handle(OpenGl_View) aView = theWorkspace->View();
  68       double aScale = aView->Camera()->Scale();
  69       // Update points coordinate taking the viewer scale into account
  70       myObj->updateIfReadyToDisplay(MyDist * aScale);
  71       if (myIsVboInit) {
  72         const Handle(OpenGl_Context)& aCtx = theWorkspace->GetGlContext();
  73         Handle(Graphic3d_Buffer) aAttr = myObj->myPntArray->Attributes();
  74         myVboAttribs->init(aCtx, 0, aAttr->NbElements,
  75                            aAttr->Data(), GL_NONE, aAttr->Stride);
  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
  85 private:
  86   Handle(SketcherPrs_SymbolPrs) myObj;
  87 };
  88
  89
  90 //*****************************************************************************
  91 IMPLEMENT_STANDARD_RTTIEXT(SketcherPrs_SymbolPrs, AIS_InteractiveObject);
  92
  93
  94 std::map<const char*, Handle(Image_AlienPixMap)> SketcherPrs_SymbolPrs::myIconsMap;
  95
  96
  97 SketcherPrs_SymbolPrs::SketcherPrs_SymbolPrs(ModelAPI_Feature* theConstraint,
  98                                              const std::shared_ptr<GeomAPI_Ax3>& thePlane)
  99  : AIS_InteractiveObject(), myConstraint(theConstraint), myPlane(thePlane), myIsConflicting(false)
 100 {
 101   SetAutoHilight(Standard_False);
 102   myPntArray = new Graphic3d_ArrayOfPoints(1);
 103   myPntArray->AddVertex(0., 0., 0.);
 104 }
 105
 106 //*********************************************************************************
 107 SketcherPrs_SymbolPrs::~SketcherPrs_SymbolPrs()
 108 {
 109   SketcherPrs_PositionMgr* aMgr = SketcherPrs_PositionMgr::get();
 110   // Empty memory in position manager
 111   aMgr->deleteConstraint(this);
 112 }
 113
 114 #ifdef _WINDOWS
 115 #pragma warning( disable : 4996 )
 116 #endif
 117
 118 //*********************************************************************************
 119 Handle(Image_AlienPixMap) SketcherPrs_SymbolPrs::icon()
 120 {
 121   if (myIconsMap.count(iconName()) == 1) {
 122     return myIconsMap[iconName()];
 123   }
 124   // Load icon for the presentation
 125   std::string aFile;
 126   char* anEnv = getenv("SHAPER_ROOT_DIR");
 127   if (anEnv) {
 128     aFile = std::string(anEnv) +
 129       FSEP + "share" + FSEP + "salome" + FSEP + "resources" + FSEP + "shaper";
 130   } else {
 131     anEnv = getenv("OPENPARTS_ROOT_DIR");
 132     if (anEnv)
 133       aFile = std::string(anEnv) + FSEP + "resources";
 134   }
 135
 136   aFile += FSEP;
 137   aFile += iconName();
 138   Handle(Image_AlienPixMap) aPixMap = new Image_AlienPixMap();
 139   if (aPixMap->Load(aFile.c_str())) {
 140     myIconsMap[iconName()] = aPixMap;
 141     return aPixMap;
 142   }
 143   // The icon for constraint is not found
 144   static const char aMsg[] = "Error! constraint images are not found";
 145   cout<<aMsg<<endl;
 146   Events_InfoMessage("SketcherPrs_SymbolPrs", aMsg).send();
 147   myIconsMap[iconName()] = Handle(Image_AlienPixMap)();
 148   return Handle(Image_AlienPixMap)();
 149 }
 150
 151 //*********************************************************************************
 152 void SketcherPrs_SymbolPrs::prepareAspect()
 153 {
 154   // Create an aspect with the icon
 155   if (myAspect.IsNull()) {
 156     Handle(Image_AlienPixMap) aIcon = icon();
 157     if (aIcon.IsNull())
 158       myAspect = new Graphic3d_AspectMarker3d();
 159     else
 160       myAspect = new Graphic3d_AspectMarker3d(aIcon);
 161   }
 162 }
 163
 164 //*********************************************************************************
 165 void SketcherPrs_SymbolPrs::addLine(const Handle(Graphic3d_Group)& theGroup,
 166                                     std::string theAttrName) const
 167 {
 168   ObjectPtr aObj = SketcherPrs_Tools::getResult(myConstraint, theAttrName);
 169   std::shared_ptr<GeomAPI_Shape> aLine = SketcherPrs_Tools::getShape(aObj);
 170   if (aLine.get() == NULL)
 171     return;
 172   std::shared_ptr<GeomAPI_Edge> aEdge = std::shared_ptr<GeomAPI_Edge>(new GeomAPI_Edge(aLine));
 173
 174   std::shared_ptr<GeomAPI_Pnt> aPnt1 = aEdge->firstPoint();
 175   std::shared_ptr<GeomAPI_Pnt> aPnt2 = aEdge->lastPoint();
 176
 177   // Draw line by two points
 178   Handle(Graphic3d_ArrayOfSegments) aLines = new Graphic3d_ArrayOfSegments(2, 1);
 179   aLines->AddVertex(aPnt1->impl<gp_Pnt>());
 180   aLines->AddVertex(aPnt2->impl<gp_Pnt>());
 181   theGroup->AddPrimitiveArray(aLines);
 182 }
 183
 184 //*********************************************************************************
 185 void SketcherPrs_SymbolPrs::HilightSelected(const Handle(PrsMgr_PresentationManager3d)& thePM,
 186                                            const SelectMgr_SequenceOfOwner& theOwners)
 187 {
 188
 189   Handle( Prs3d_Presentation ) aSelectionPrs = GetSelectPresentation( thePM );
 190   aSelectionPrs->Clear();
 191   drawLines(aSelectionPrs, Quantity_NOC_WHITE);
 192
 193   aSelectionPrs->SetDisplayPriority(9);
 194   aSelectionPrs->Display();
 195   // PORTING_TO_SALOME_8
 196   //thePM->Highlight(this);
 197 }
 198
 199 //*********************************************************************************
 200 void SketcherPrs_SymbolPrs::HilightOwnerWithColor(
 201   const Handle(PrsMgr_PresentationManager3d)& thePM,
 202   const Handle(Graphic3d_HighlightStyle)& theStyle,
 203   const Handle(SelectMgr_EntityOwner)& theOwner)
 204 {
 205   // PORTING_TO_SALOME_8
 206
 207   thePM->Color(this, theStyle);
 208
 209   Handle( Prs3d_Presentation ) aHilightPrs = GetHilightPresentation( thePM );
 210   aHilightPrs->Clear();
 211   drawLines(aHilightPrs, theStyle->Color());
 212
 213   if (thePM->IsImmediateModeOn())
 214     thePM->AddToImmediateList(aHilightPrs);
 215 }
 216
 217 //*********************************************************************************
 218 void SketcherPrs_SymbolPrs::Compute(
 219   const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
 220   const Handle(Prs3d_Presentation)& thePresentation,
 221   const Standard_Integer theMode)
 222 {
 223   // Create an icon
 224   prepareAspect();
 225
 226   Handle(AIS_InteractiveContext) aCtx = GetContext();
 227   Handle(OpenGl_GraphicDriver) aDriver =
 228     Handle(OpenGl_GraphicDriver)::DownCast(aCtx->CurrentViewer()->Driver());
 229   if (aDriver.IsNull())
 230     return;
 231
 232   // Update points with default shift value
 233   // it updates array of points if the presentation is ready to display, or the array of points
 234   // contains the previous values
 235
 236   bool aReadyToDisplay = updateIfReadyToDisplay(20);
 237
 238   int aNbVertex = myPntArray->VertexNumber();
 239   if (myOwner.IsNull()) {
 240     myOwner = new SelectMgr_EntityOwner(this);
 241   }
 242
 243   // Create sensitive point for each symbol
 244   mySPoints.Clear();
 245   for (int i = 1; i <= aNbVertex; i++) {
 246     Handle(SketcherPrs_SensitivePoint) aSP = new SketcherPrs_SensitivePoint(myOwner, i);
 247     mySPoints.Append(aSP);
 248   }
 249
 250   Handle(OpenGl_Group) aGroup = Handle(OpenGl_Group)::DownCast(thePresentation->NewGroup());
 251   aGroup->SetPrimitivesAspect(myAspect);
 252
 253   // Recompute boundary box of the group
 254   Graphic3d_BndBox4f& aBnd = aGroup->ChangeBoundingBox();
 255   gp_Pnt aVert;
 256   aBnd.Clear();
 257   for (int i = 1; i <= myPntArray->ItemNumber(); i++) {
 258     aVert = myPntArray->Vertice(i);
 259     aBnd.Add (Graphic3d_Vec4((float)aVert.X(), (float)aVert.Y(), (float)aVert.Z(), 1.0f));
 260   }
 261
 262   // Pint the group with custom procedure (see Render)
 263   SketcherPrs_Element* aElem =
 264     new SketcherPrs_Element((OpenGl_GraphicDriver*)aDriver->This(), this);
 265   aGroup->AddElement(aElem);
 266
 267   // Disable frustum culling for this object by marking it as mutable
 268   //aGroup->Structure()->SetMutable(true);
 269
 270   if (!aReadyToDisplay)
 271     SketcherPrs_Tools::sendEmptyPresentationError(myConstraint,
 272                           "An empty AIS presentation: SketcherPrs_LengthDimension");
 273 }
 274
 275
 276 //*********************************************************************************
 277 void SketcherPrs_SymbolPrs::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
 278                                              const Standard_Integer aMode)
 279 {
 280   ClearSelected();
 281   if ((aMode == 0) || (aMode == SketcherPrs_Tools::Sel_Constraint)) {
 282     for (int i = 1; i <= mySPoints.Length(); i++)
 283       aSelection->Add(mySPoints.Value(i));
 284   }
 285 }
 286
 287 //*********************************************************************************
 288 void SketcherPrs_SymbolPrs::SetConflictingConstraint(const bool& theConflicting,
 289                                                      const std::vector<int>& theColor)
 290 {
 291   if (theConflicting)
 292   {
 293     if (!myAspect.IsNull())
 294       myAspect->SetColor (Quantity_Color (theColor[0] / 255., theColor[1] / 255.,
 295                           theColor[2] / 255., Quantity_TOC_RGB));
 296     myIsConflicting = true;
 297   }
 298   else
 299   {
 300     if (!myAspect.IsNull())
 301       myAspect->SetColor (Quantity_Color (1.0, 1.0, 0.0, Quantity_TOC_RGB));
 302     myIsConflicting = false;
 303   }
 304 }
 305
 306 //*********************************************************************************
 307 void SketcherPrs_SymbolPrs::drawShape(const std::shared_ptr<GeomAPI_Shape>& theShape,
 308                                       const Handle(Prs3d_Presentation)& thePrs) const
 309 {
 310   if (theShape->isEdge()) {
 311     // The shape is edge
 312     std::shared_ptr<GeomAPI_Curve> aCurve =
 313       std::shared_ptr<GeomAPI_Curve>(new GeomAPI_Curve(theShape));
 314     if (aCurve->isLine()) {
 315       // The shape is line
 316       GeomAdaptor_Curve
 317         aCurv(aCurve->impl<Handle(Geom_Curve)>(), aCurve->startParam(), aCurve->endParam());
 318       StdPrs_Curve::Add(thePrs, aCurv, myDrawer);
 319     } else {
 320       // The shape is circle or arc
 321       GeomAdaptor_Curve
 322         aAdaptor(aCurve->impl<Handle(Geom_Curve)>(), aCurve->startParam(), aCurve->endParam());
 323       StdPrs_DeflectionCurve::Add(thePrs,aAdaptor,myDrawer);
 324     }
 325   } else if (theShape->isVertex()) {
 326     // draw vertex
 327     std::shared_ptr<GeomAPI_Vertex> aVertex =
 328       std::shared_ptr<GeomAPI_Vertex>(new GeomAPI_Vertex(theShape));
 329     std::shared_ptr<GeomAPI_Pnt> aPnt = aVertex->point();
 330     Handle(Geom_CartesianPoint) aPoint = new Geom_CartesianPoint(aPnt->impl<gp_Pnt>());
 331     StdPrs_Point::Add(thePrs, aPoint, myDrawer);
 332   }
 333 }
 334
 335 //*********************************************************************************
 336 void SketcherPrs_SymbolPrs::drawListOfShapes(
 337   const std::shared_ptr<ModelAPI_AttributeRefList>& theListAttr,
 338   const Handle(Prs3d_Presentation)& thePrs) const
 339 {
 340   int aNb = theListAttr->size();
 341   if (aNb == 0)
 342     return;
 343   int i;
 344   ObjectPtr aObj;
 345   for (i = 0; i < aNb; i++) {
 346     aObj = theListAttr->object(i);
 347     std::shared_ptr<GeomAPI_Shape> aShape = SketcherPrs_Tools::getShape(aObj);
 348     if (aShape.get() != NULL)
 349       drawShape(aShape, thePrs);
 350   }
 351 }
 352
 353 //*********************************************************************************
 354 void SketcherPrs_SymbolPrs::BoundingBox (Bnd_Box& theBndBox)
 355 {
 356   Select3D_BndBox3d aTmpBox;
 357   for (Select3D_EntitySequenceIter aPntIter (mySPoints); aPntIter.More(); aPntIter.Next()) {
 358     const Handle(Select3D_SensitiveEntity)& anEnt = aPntIter.Value();
 359     aTmpBox.Combine (anEnt->BoundingBox());
 360   }
 361
 362   theBndBox.Update (aTmpBox.CornerMin().x(), aTmpBox.CornerMin().y(), aTmpBox.CornerMin().z(),
 363                     aTmpBox.CornerMax().x(), aTmpBox.CornerMax().y(), aTmpBox.CornerMax().z());
 364 }
 365