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, const Handle(AIS_InteractiveContext)& theCtx)
  55     :OpenGl_PrimitiveArray(theDriver, theObj->myPntArray->Type(), theObj->myPntArray->Indices(),
  56     theObj->myPntArray->Attributes(), theObj->myPntArray->Bounds()), myObj(theObj), myContext(theCtx) {}
  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         if (myVboAttribs) {
  68           const Handle(OpenGl_Context)& aCtx = theWorkspace->GetGlContext();
  69           Handle(Graphic3d_Buffer) aAttr = myObj->myPntArray->Attributes();
  70           myVboAttribs->init(aCtx, 0, aAttr->NbElements,
  71                              aAttr->Data(), GL_NONE, aAttr->Stride);
  72         } else
  73           myIsVboInit = false;
  74       } else {
  75         myAttribs = myObj->myPntArray->Attributes();
  76         myIndices = myObj->myPntArray->Indices();
  77         myBounds = myObj->myPntArray->Bounds();
  78       }
  79     }
  80     OpenGl_PrimitiveArray::Render(theWorkspace);
  81
  82     // Update selection position only if there is no selected object
  83     // because it can corrupt selection of other objects
  84     if ((myContext->NbCurrents() == 0) && (myContext->NbSelected() == 0))  {
  85       myContext->MainSelector()->RebuildSensitivesTree(myObj);
  86       myContext->MainSelector()->RebuildObjectsTree (false);
  87     }
  88   }
  89
  90 private:
  91   Handle(SketcherPrs_SymbolPrs) myObj;
  92   Handle(AIS_InteractiveContext) myContext;
  93 };
  94
  95
  96 //*****************************************************************************
  97 IMPLEMENT_STANDARD_RTTIEXT(SketcherPrs_SymbolPrs, AIS_InteractiveObject);
  98
  99
 100 std::map<const char*, Handle(Image_AlienPixMap)> SketcherPrs_SymbolPrs::myIconsMap;
 101
 102
 103 SketcherPrs_SymbolPrs::SketcherPrs_SymbolPrs(ModelAPI_Feature* theConstraint,
 104                                              const std::shared_ptr<GeomAPI_Ax3>& thePlane)
 105  : AIS_InteractiveObject(), myConstraint(theConstraint), myPlane(thePlane), myIsConflicting(false)
 106 {
 107   SetAutoHilight(Standard_False);
 108   myPntArray = new Graphic3d_ArrayOfPoints(1);
 109   myPntArray->AddVertex(0., 0., 0.);
 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
 120 #ifdef _WINDOWS
 121 #pragma warning( disable : 4996 )
 122 #endif
 123
 124 //*********************************************************************************
 125 Handle(Image_AlienPixMap) SketcherPrs_SymbolPrs::icon()
 126 {
 127   if (myIconsMap.count(iconName()) == 1) {
 128     return myIconsMap[iconName()];
 129   }
 130   // Load icon for the presentation
 131   std::string aFile;
 132   char* anEnv = getenv("SHAPER_ROOT_DIR");
 133   if (anEnv) {
 134     aFile = std::string(anEnv) +
 135       FSEP + "share" + FSEP + "salome" + FSEP + "resources" + FSEP + "shaper";
 136   } else {
 137     anEnv = getenv("OPENPARTS_ROOT_DIR");
 138     if (anEnv)
 139       aFile = std::string(anEnv) + FSEP + "resources";
 140   }
 141
 142   aFile += FSEP;
 143   aFile += iconName();
 144   Handle(Image_AlienPixMap) aPixMap = new Image_AlienPixMap();
 145   if (aPixMap->Load(aFile.c_str())) {
 146     myIconsMap[iconName()] = aPixMap;
 147     return aPixMap;
 148   }
 149   // The icon for constraint is not found
 150   static const char aMsg[] = "Error! constraint images are not found";
 151   cout<<aMsg<<endl;
 152   Events_InfoMessage("SketcherPrs_SymbolPrs", aMsg).send();
 153   myIconsMap[iconName()] = Handle(Image_AlienPixMap)();
 154   return Handle(Image_AlienPixMap)();
 155 }
 156
 157 //*********************************************************************************
 158 void SketcherPrs_SymbolPrs::prepareAspect()
 159 {
 160   // Create an aspect with the icon
 161   if (myAspect.IsNull()) {
 162     Handle(Image_AlienPixMap) aIcon = icon();
 163     if (aIcon.IsNull())
 164       myAspect = new Graphic3d_AspectMarker3d();
 165     else
 166       myAspect = new Graphic3d_AspectMarker3d(aIcon);
 167   }
 168 }
 169
 170 //*********************************************************************************
 171 void SketcherPrs_SymbolPrs::addLine(const Handle(Graphic3d_Group)& theGroup,
 172                                     std::string theAttrName) const
 173 {
 174   ObjectPtr aObj = SketcherPrs_Tools::getResult(myConstraint, theAttrName);
 175   std::shared_ptr<GeomAPI_Shape> aLine = SketcherPrs_Tools::getShape(aObj);
 176   if (aLine.get() == NULL)
 177     return;
 178   std::shared_ptr<GeomAPI_Edge> aEdge = std::shared_ptr<GeomAPI_Edge>(new GeomAPI_Edge(aLine));
 179
 180   std::shared_ptr<GeomAPI_Pnt> aPnt1 = aEdge->firstPoint();
 181   std::shared_ptr<GeomAPI_Pnt> aPnt2 = aEdge->lastPoint();
 182   gp_Pnt aP1 = aPnt1->impl<gp_Pnt>();
 183   gp_Pnt aP2 = aPnt2->impl<gp_Pnt>();
 184
 185   // Draw line by two points
 186   Handle(Graphic3d_ArrayOfSegments) aLines = new Graphic3d_ArrayOfSegments(2, 1);
 187   aLines->AddVertex(aPnt1->impl<gp_Pnt>());
 188   aLines->AddVertex(aPnt2->impl<gp_Pnt>());
 189   theGroup->AddPrimitiveArray(aLines);
 190 }
 191
 192 //*********************************************************************************
 193 void SketcherPrs_SymbolPrs::HilightSelected(const Handle(PrsMgr_PresentationManager3d)& thePM,
 194                                             const SelectMgr_SequenceOfOwner& theOwners)
 195 {
 196
 197   Handle( Prs3d_Presentation ) aSelectionPrs = GetSelectPresentation( thePM );
 198   aSelectionPrs->Clear();
 199   drawLines(aSelectionPrs, GetContext()->SelectionStyle()->Color());
 200
 201   aSelectionPrs->SetDisplayPriority(9);
 202   aSelectionPrs->Display();
 203   thePM->Color(this, GetContext()->SelectionStyle());
 204 }
 205
 206 //*********************************************************************************
 207 void SketcherPrs_SymbolPrs::HilightOwnerWithColor(
 208                                   const Handle(PrsMgr_PresentationManager3d)& thePM,
 209                                   const Handle(Graphic3d_HighlightStyle)& theStyle,
 210                                   const Handle(SelectMgr_EntityOwner)& theOwner)
 211 {
 212   thePM->Color(this, theStyle);
 213
 214   Handle( Prs3d_Presentation ) aHilightPrs = GetHilightPresentation( thePM );
 215   aHilightPrs->Clear();
 216   drawLines(aHilightPrs, theStyle->Color());
 217   aHilightPrs->SetZLayer(Graphic3d_ZLayerId_Topmost);
 218
 219   if (thePM->IsImmediateModeOn())
 220     thePM->AddToImmediateList(aHilightPrs);
 221 }
 222
 223 //*********************************************************************************
 224 void SketcherPrs_SymbolPrs::Compute(
 225                 const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
 226                 const Handle(Prs3d_Presentation)& thePresentation,
 227                 const Standard_Integer theMode)
 228 {
 229   // Create an icon
 230   prepareAspect();
 231
 232   Handle(AIS_InteractiveContext) aCtx = GetContext();
 233   Handle(OpenGl_GraphicDriver) aDriver =
 234     Handle(OpenGl_GraphicDriver)::DownCast(aCtx->CurrentViewer()->Driver());
 235   if (aDriver.IsNull())
 236     return;
 237
 238   // Update points with default shift value
 239   // it updates array of points if the presentation is ready to display, or the array of points
 240   // contains the previous values
 241
 242   bool aReadyToDisplay = updateIfReadyToDisplay(20);
 243
 244   int aNbVertex = myPntArray->VertexNumber();
 245   if (myOwner.IsNull()) {
 246     myOwner = new SelectMgr_EntityOwner(this);
 247   }
 248
 249   // Create sensitive point for each symbol
 250   mySPoints.Clear();
 251   for (int i = 1; i <= aNbVertex; i++) {
 252     Handle(SketcherPrs_SensitivePoint) aSP = new SketcherPrs_SensitivePoint(myOwner, i);
 253     mySPoints.Append(aSP);
 254   }
 255
 256   Handle(OpenGl_Group) aGroup = Handle(OpenGl_Group)::DownCast(thePresentation->NewGroup());
 257   aGroup->SetPrimitivesAspect(myAspect);
 258
 259   // Recompute boundary box of the group
 260   Graphic3d_BndBox4f& aBnd = aGroup->ChangeBoundingBox();
 261   gp_Pnt aVert;
 262   aBnd.Clear();
 263   for (int i = 1; i <= myPntArray->ItemNumber(); i++) {
 264     aVert = myPntArray->Vertice(i);
 265     aBnd.Add(Graphic3d_Vec4((float)aVert.X(), (float)aVert.Y(), (float)aVert.Z(), 1.0f));
 266   }
 267
 268   // Pint the group with custom procedure (see Render)
 269   SketcherPrs_SymbolArray* aElem =
 270     new SketcherPrs_SymbolArray((OpenGl_GraphicDriver*)aDriver->This(), this, GetContext());
 271   aGroup->AddElement(aElem);
 272
 273   // Disable frustum culling for this object by marking it as mutable
 274   aGroup->Structure()->SetMutable(true);
 275
 276   if (!aReadyToDisplay)
 277     SketcherPrs_Tools::sendEmptyPresentationError(myConstraint,
 278                           "An empty AIS presentation: SketcherPrs_LengthDimension");
 279 }
 280
 281
 282 //*********************************************************************************
 283 void SketcherPrs_SymbolPrs::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
 284                                              const Standard_Integer aMode)
 285 {
 286   ClearSelected();
 287   if ((aMode == 0) || (aMode == SketcherPrs_Tools::Sel_Constraint)) {
 288     for (int i = 1; i <= mySPoints.Length(); i++)
 289       aSelection->Add(mySPoints.Value(i));
 290   }
 291 }
 292
 293 //*********************************************************************************
 294 void SketcherPrs_SymbolPrs::SetConflictingConstraint(const bool& theConflicting,
 295                                                      const std::vector<int>& theColor)
 296 {
 297   if (theConflicting)
 298   {
 299     if (!myAspect.IsNull())
 300       myAspect->SetColor (Quantity_Color (theColor[0] / 255., theColor[1] / 255.,
 301                           theColor[2] / 255., Quantity_TOC_RGB));
 302     myIsConflicting = true;
 303   }
 304   else
 305   {
 306     if (!myAspect.IsNull())
 307       myAspect->SetColor (Quantity_Color (1.0, 1.0, 0.0, Quantity_TOC_RGB));
 308     myIsConflicting = false;
 309   }
 310 }
 311
 312 //*********************************************************************************
 313 void SketcherPrs_SymbolPrs::drawShape(const std::shared_ptr<GeomAPI_Shape>& theShape,
 314                                       const Handle(Prs3d_Presentation)& thePrs) const
 315 {
 316   if (theShape->isEdge()) {
 317     // The shape is edge
 318     std::shared_ptr<GeomAPI_Curve> aCurve =
 319       std::shared_ptr<GeomAPI_Curve>(new GeomAPI_Curve(theShape));
 320     if (aCurve->isLine()) {
 321       // The shape is line
 322       GeomAdaptor_Curve
 323         aCurv(aCurve->impl<Handle(Geom_Curve)>(), aCurve->startParam(), aCurve->endParam());
 324       StdPrs_Curve::Add(thePrs, aCurv, myDrawer);
 325     } else {
 326       // The shape is circle or arc
 327       GeomAdaptor_Curve
 328         aAdaptor(aCurve->impl<Handle(Geom_Curve)>(), aCurve->startParam(), aCurve->endParam());
 329       StdPrs_DeflectionCurve::Add(thePrs,aAdaptor,myDrawer);
 330     }
 331   } else if (theShape->isVertex()) {
 332     // draw vertex
 333     std::shared_ptr<GeomAPI_Vertex> aVertex =
 334       std::shared_ptr<GeomAPI_Vertex>(new GeomAPI_Vertex(theShape));
 335     std::shared_ptr<GeomAPI_Pnt> aPnt = aVertex->point();
 336     Handle(Geom_CartesianPoint) aPoint = new Geom_CartesianPoint(aPnt->impl<gp_Pnt>());
 337     StdPrs_Point::Add(thePrs, aPoint, myDrawer);
 338   }
 339 }
 340
 341 //*********************************************************************************
 342 void SketcherPrs_SymbolPrs::drawListOfShapes(
 343                       const std::shared_ptr<ModelAPI_AttributeRefList>& theListAttr,
 344                       const Handle(Prs3d_Presentation)& thePrs) const
 345 {
 346   int aNb = theListAttr->size();
 347   if (aNb == 0)
 348     return;
 349   int i;
 350   ObjectPtr aObj;
 351   for (i = 0; i < aNb; i++) {
 352     aObj = theListAttr->object(i);
 353     std::shared_ptr<GeomAPI_Shape> aShape = SketcherPrs_Tools::getShape(aObj);
 354     if (aShape.get() != NULL)
 355       drawShape(aShape, thePrs);
 356   }
 357 }
 358
 359 //*********************************************************************************
 360 void SketcherPrs_SymbolPrs::BoundingBox(Bnd_Box& theBndBox)
 361 {
 362   Select3D_BndBox3d aTmpBox;
 363   for (Select3D_EntitySequenceIter aPntIter (mySPoints); aPntIter.More(); aPntIter.Next()) {
 364     const Handle(Select3D_SensitiveEntity)& anEnt = aPntIter.Value();
 365     aTmpBox.Combine (anEnt->BoundingBox());
 366   }
 367
 368   theBndBox.Update (aTmpBox.CornerMin().x(), aTmpBox.CornerMin().y(), aTmpBox.CornerMin().z(),
 369                     aTmpBox.CornerMax().x(), aTmpBox.CornerMax().y(), aTmpBox.CornerMax().z());
 370 }
 371