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
 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     myAspect->SetColor(myCustomColor);
 169   }
 170 }
 171
 172 //*********************************************************************************
 173 void SketcherPrs_SymbolPrs::addLine(const Handle(Graphic3d_Group)& theGroup,
 174                                     std::string theAttrName) const
 175 {
 176   ObjectPtr aObj = SketcherPrs_Tools::getResult(myConstraint, theAttrName);
 177   std::shared_ptr<GeomAPI_Shape> aLine = SketcherPrs_Tools::getShape(aObj);
 178   if (aLine.get() == NULL)
 179     return;
 180   std::shared_ptr<GeomAPI_Edge> aEdge = std::shared_ptr<GeomAPI_Edge>(new GeomAPI_Edge(aLine));
 181
 182   std::shared_ptr<GeomAPI_Pnt> aPnt1 = aEdge->firstPoint();
 183   std::shared_ptr<GeomAPI_Pnt> aPnt2 = aEdge->lastPoint();
 184   gp_Pnt aP1 = aPnt1->impl<gp_Pnt>();
 185   gp_Pnt aP2 = aPnt2->impl<gp_Pnt>();
 186
 187   // Draw line by two points
 188   Handle(Graphic3d_ArrayOfSegments) aLines = new Graphic3d_ArrayOfSegments(2, 1);
 189   aLines->AddVertex(aPnt1->impl<gp_Pnt>());
 190   aLines->AddVertex(aPnt2->impl<gp_Pnt>());
 191   theGroup->AddPrimitiveArray(aLines);
 192 }
 193
 194 //*********************************************************************************
 195 void SketcherPrs_SymbolPrs::HilightSelected(const Handle(PrsMgr_PresentationManager3d)& thePM,
 196                                             const SelectMgr_SequenceOfOwner& theOwners)
 197 {
 198   Handle( Prs3d_Presentation ) aSelectionPrs = GetSelectPresentation( thePM );
 199   aSelectionPrs->Clear();
 200   drawLines(aSelectionPrs, GetContext()->SelectionStyle()->Color());
 201
 202   aSelectionPrs->SetDisplayPriority(9);
 203   aSelectionPrs->Display();
 204   thePM->Color(this, GetContext()->SelectionStyle());
 205 }
 206
 207 //*********************************************************************************
 208 void SketcherPrs_SymbolPrs::HilightOwnerWithColor(
 209                                   const Handle(PrsMgr_PresentationManager3d)& thePM,
 210                                   const Handle(Graphic3d_HighlightStyle)& theStyle,
 211                                   const Handle(SelectMgr_EntityOwner)& theOwner)
 212 {
 213   thePM->Color(this, theStyle);
 214
 215   Handle( Prs3d_Presentation ) aHilightPrs = GetHilightPresentation( thePM );
 216   aHilightPrs->Clear();
 217   drawLines(aHilightPrs, theStyle->Color());
 218   aHilightPrs->SetZLayer(Graphic3d_ZLayerId_Topmost);
 219
 220   if (thePM->IsImmediateModeOn())
 221     thePM->AddToImmediateList(aHilightPrs);
 222 }
 223
 224 //*********************************************************************************
 225 void SketcherPrs_SymbolPrs::Compute(
 226                 const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
 227                 const Handle(Prs3d_Presentation)& thePresentation,
 228                 const Standard_Integer theMode)
 229 {
 230   // Create an icon
 231   prepareAspect();
 232
 233   Handle(AIS_InteractiveContext) aCtx = GetContext();
 234   Handle(OpenGl_GraphicDriver) aDriver =
 235     Handle(OpenGl_GraphicDriver)::DownCast(aCtx->CurrentViewer()->Driver());
 236   if (aDriver.IsNull())
 237     return;
 238
 239   // Update points with default shift value
 240   // it updates array of points if the presentation is ready to display, or the array of points
 241   // contains the previous values
 242
 243   bool aReadyToDisplay = updateIfReadyToDisplay(20, myIsCustomColor);
 244
 245   int aNbVertex = myPntArray->VertexNumber();
 246   if (myOwner.IsNull()) {
 247     myOwner = new SelectMgr_EntityOwner(this);
 248   }
 249
 250   // Create sensitive point for each symbol
 251   mySPoints.Clear();
 252   for (int i = 1; i <= aNbVertex; i++) {
 253     Handle(SketcherPrs_SensitivePoint) aSP = new SketcherPrs_SensitivePoint(myOwner, i);
 254     mySPoints.Append(aSP);
 255     if (myIsCustomColor)
 256       myPntArray->SetVertexColor(i, myCustomColor);
 257   }
 258
 259   Handle(OpenGl_Group) aGroup =
 260     Handle(OpenGl_Group)::DownCast(Prs3d_Root::CurrentGroup (thePresentation));
 261   aGroup->SetPrimitivesAspect(myAspect);
 262
 263   // Recompute boundary box of the group
 264   Graphic3d_BndBox4f& aBnd = aGroup->ChangeBoundingBox();
 265   gp_Pnt aVert;
 266   aBnd.Clear();
 267   for (int i = 1; i <= myPntArray->ItemNumber(); i++) {
 268     aVert = myPntArray->Vertice(i);
 269     aBnd.Add(Graphic3d_Vec4((float)aVert.X(), (float)aVert.Y(), (float)aVert.Z(), 1.0f));
 270   }
 271
 272   // Pint the group with custom procedure (see Render)
 273   SketcherPrs_SymbolArray* aElem =
 274     new SketcherPrs_SymbolArray((OpenGl_GraphicDriver*)aDriver->This(), this, GetContext());
 275   aGroup->AddElement(aElem);
 276
 277   // Disable frustum culling for this object by marking it as mutable
 278   aGroup->Structure()->SetMutable(true);
 279
 280   if (!aReadyToDisplay)
 281     SketcherPrs_Tools::sendEmptyPresentationError(myConstraint,
 282                           "An empty AIS presentation: SketcherPrs_LengthDimension");
 283 }
 284
 285
 286 //*********************************************************************************
 287 void SketcherPrs_SymbolPrs::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
 288                                              const Standard_Integer aMode)
 289 {
 290   ClearSelected();
 291   if ((aMode == 0) || (aMode == SketcherPrs_Tools::Sel_Constraint)) {
 292     for (int i = 1; i <= mySPoints.Length(); i++)
 293       aSelection->Add(mySPoints.Value(i));
 294   }
 295 }
 296
 297 //*********************************************************************************
 298 void SketcherPrs_SymbolPrs::SetCustomColor(const std::vector<int>& theColor)
 299 {
 300   myIsCustomColor = !theColor.empty();
 301   if (myIsCustomColor)
 302     myCustomColor = Quantity_Color(theColor[0] / 255., theColor[1] / 255.,
 303                                    theColor[2] / 255., Quantity_TOC_RGB);
 304   else
 305     myCustomColor = Quantity_Color (1.0, 1.0, 0.0, Quantity_TOC_RGB);
 306
 307   if (!myAspect.IsNull())
 308     myAspect->SetColor (myCustomColor);
 309 }
 310
 311 //*********************************************************************************
 312 void SketcherPrs_SymbolPrs::drawShape(const std::shared_ptr<GeomAPI_Shape>& theShape,
 313                                       const Handle(Prs3d_Presentation)& thePrs,
 314                                       Quantity_Color theColor) const
 315 {
 316   Handle(Graphic3d_AspectLine3d) aLineAspect =
 317     new Graphic3d_AspectLine3d(theColor, Aspect_TOL_SOLID, 2);
 318
 319   Handle(Prs3d_LineAspect) aLinesStyle = myDrawer->LineAspect();
 320   Handle(Graphic3d_AspectLine3d) aOldStyle = aLinesStyle->Aspect();
 321   aLinesStyle->SetAspect(aLineAspect);
 322   myDrawer->SetLineAspect(aLinesStyle);
 323
 324   if (theShape->isEdge()) {
 325     // The shape is edge
 326     std::shared_ptr<GeomAPI_Curve> aCurve =
 327       std::shared_ptr<GeomAPI_Curve>(new GeomAPI_Curve(theShape));
 328     if (aCurve->isLine()) {
 329       // The shape is line
 330       GeomAdaptor_Curve
 331         aCurv(aCurve->impl<Handle(Geom_Curve)>(), aCurve->startParam(), aCurve->endParam());
 332       StdPrs_Curve::Add(thePrs, aCurv, myDrawer);
 333     } else {
 334       // The shape is circle or arc
 335       GeomAdaptor_Curve
 336         aAdaptor(aCurve->impl<Handle(Geom_Curve)>(), aCurve->startParam(), aCurve->endParam());
 337       StdPrs_DeflectionCurve::Add(thePrs,aAdaptor,myDrawer);
 338     }
 339   } else if (theShape->isVertex()) {
 340     // draw vertex
 341     std::shared_ptr<GeomAPI_Vertex> aVertex =
 342       std::shared_ptr<GeomAPI_Vertex>(new GeomAPI_Vertex(theShape));
 343     std::shared_ptr<GeomAPI_Pnt> aPnt = aVertex->point();
 344     Handle(Geom_CartesianPoint) aPoint = new Geom_CartesianPoint(aPnt->impl<gp_Pnt>());
 345     StdPrs_Point::Add(thePrs, aPoint, myDrawer);
 346   }
 347
 348   aLinesStyle->SetAspect(aOldStyle);
 349   myDrawer->SetLineAspect(aLinesStyle);
 350 }
 351
 352 //*********************************************************************************
 353 void SketcherPrs_SymbolPrs::drawListOfShapes(
 354                       const std::shared_ptr<ModelAPI_AttributeRefList>& theListAttr,
 355                       const Handle(Prs3d_Presentation)& thePrs, Quantity_Color theColor) const
 356 {
 357   int aNb = theListAttr->size();
 358   if (aNb == 0)
 359     return;
 360   int i;
 361   ObjectPtr aObj;
 362   for (i = 0; i < aNb; i++) {
 363     aObj = theListAttr->object(i);
 364     std::shared_ptr<GeomAPI_Shape> aShape = SketcherPrs_Tools::getShape(aObj);
 365     if (aShape.get() != NULL)
 366       drawShape(aShape, thePrs, theColor);
 367   }
 368 }
 369
 370 //*********************************************************************************
 371 void SketcherPrs_SymbolPrs::BoundingBox(Bnd_Box& theBndBox)
 372 {
 373   Select3D_BndBox3d aTmpBox;
 374   for (Select3D_EntitySequenceIter aPntIter (mySPoints); aPntIter.More(); aPntIter.Next()) {
 375     const Handle(Select3D_SensitiveEntity)& anEnt = aPntIter.Value();
 376     aTmpBox.Combine (anEnt->BoundingBox());
 377   }
 378
 379   theBndBox.Update (aTmpBox.CornerMin().x(), aTmpBox.CornerMin().y(), aTmpBox.CornerMin().z(),
 380                     aTmpBox.CornerMax().x(), aTmpBox.CornerMax().y(), aTmpBox.CornerMax().z());
 381 }
 382