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),
  57     myContext(theCtx) {}
  58
  59   virtual void Render(const Handle(OpenGl_Workspace)& theWorkspace) const
  60   {
  61     ModelAPI_Feature* aConstraint = myObj->feature();
  62     if (aConstraint->data().get() && aConstraint->data()->isValid()) {
  63       Handle(OpenGl_View) aView = theWorkspace->View();
  64       double aScale = aView->Camera()->Scale();
  65       // Update points coordinate taking the viewer scale into account
  66       myObj->updateIfReadyToDisplay(MyDist * aScale);
  67       if (myIsVboInit) {
  68         if (myVboAttribs) {
  69           const Handle(OpenGl_Context)& aCtx = theWorkspace->GetGlContext();
  70           Handle(Graphic3d_Buffer) aAttr = myObj->myPntArray->Attributes();
  71           myVboAttribs->init(aCtx, 0, aAttr->NbElements,
  72                              aAttr->Data(), GL_NONE, aAttr->Stride);
  73         } else
  74           myIsVboInit = false;
  75       } else {
  76         myAttribs = myObj->myPntArray->Attributes();
  77         myIndices = myObj->myPntArray->Indices();
  78         myBounds = myObj->myPntArray->Bounds();
  79       }
  80     }
  81     OpenGl_PrimitiveArray::Render(theWorkspace);
  82
  83     // Update selection position only if there is no selected object
  84     // because it can corrupt selection of other objects
  85     if ((myContext->NbCurrents() == 0) && (myContext->NbSelected() == 0))  {
  86       myContext->MainSelector()->RebuildSensitivesTree(myObj);
  87       myContext->MainSelector()->RebuildObjectsTree (false);
  88     }
  89   }
  90
  91 private:
  92   Handle(SketcherPrs_SymbolPrs) myObj;
  93   Handle(AIS_InteractiveContext) myContext;
  94 };
  95
  96
  97 //*****************************************************************************
  98 IMPLEMENT_STANDARD_RTTIEXT(SketcherPrs_SymbolPrs, AIS_InteractiveObject);
  99
 100
 101 std::map<const char*, Handle(Image_AlienPixMap)> SketcherPrs_SymbolPrs::myIconsMap;
 102
 103
 104 SketcherPrs_SymbolPrs::SketcherPrs_SymbolPrs(ModelAPI_Feature* theConstraint,
 105                                              const std::shared_ptr<GeomAPI_Ax3>& thePlane)
 106  : AIS_InteractiveObject(), myConstraint(theConstraint), myPlane(thePlane), myIsCustomColor(false)
 107 {
 108   SetAutoHilight(Standard_False);
 109   myPntArray = new Graphic3d_ArrayOfPoints(1);
 110   myPntArray->AddVertex(0., 0., 0.);
 111 }
 112
 113 //*********************************************************************************
 114 SketcherPrs_SymbolPrs::~SketcherPrs_SymbolPrs()
 115 {
 116   SketcherPrs_PositionMgr* aMgr = SketcherPrs_PositionMgr::get();
 117   // Empty memory in position manager
 118   aMgr->deleteConstraint(this);
 119 }
 120
 121 #ifdef _WINDOWS
 122 #pragma warning( disable : 4996 )
 123 #endif
 124
 125 //*********************************************************************************
 126 Handle(Image_AlienPixMap) SketcherPrs_SymbolPrs::icon()
 127 {
 128   if (myIconsMap.count(iconName()) == 1) {
 129     return myIconsMap[iconName()];
 130   }
 131   // Load icon for the presentation
 132   std::string aFile;
 133   char* anEnv = getenv("SHAPER_ROOT_DIR");
 134   if (anEnv) {
 135     aFile = std::string(anEnv) +
 136       FSEP + "share" + FSEP + "salome" + FSEP + "resources" + FSEP + "shaper";
 137   } else {
 138     anEnv = getenv("OPENPARTS_ROOT_DIR");
 139     if (anEnv)
 140       aFile = std::string(anEnv) + FSEP + "resources";
 141   }
 142
 143   aFile += FSEP;
 144   aFile += iconName();
 145   Handle(Image_AlienPixMap) aPixMap = new Image_AlienPixMap();
 146   if (aPixMap->Load(aFile.c_str())) {
 147     myIconsMap[iconName()] = aPixMap;
 148     return aPixMap;
 149   }
 150   // The icon for constraint is not found
 151   static const char aMsg[] = "Error! constraint images are not found";
 152   cout<<aMsg<<endl;
 153   Events_InfoMessage("SketcherPrs_SymbolPrs", aMsg).send();
 154   myIconsMap[iconName()] = Handle(Image_AlienPixMap)();
 155   return Handle(Image_AlienPixMap)();
 156 }
 157
 158 //*********************************************************************************
 159 void SketcherPrs_SymbolPrs::prepareAspect()
 160 {
 161   // Create an aspect with the icon
 162   if (myAspect.IsNull()) {
 163     Handle(Image_AlienPixMap) aIcon = icon();
 164     if (aIcon.IsNull())
 165       myAspect = new Graphic3d_AspectMarker3d();
 166     else
 167       myAspect = new Graphic3d_AspectMarker3d(aIcon);
 168
 169     myAspect->SetColor(myCustomColor);
 170   }
 171 }
 172
 173 //*********************************************************************************
 174 void SketcherPrs_SymbolPrs::addLine(const Handle(Graphic3d_Group)& theGroup,
 175                                     std::string theAttrName) const
 176 {
 177   ObjectPtr aObj = SketcherPrs_Tools::getResult(myConstraint, theAttrName);
 178   std::shared_ptr<GeomAPI_Shape> aLine = SketcherPrs_Tools::getShape(aObj);
 179   if (aLine.get() == NULL)
 180     return;
 181   std::shared_ptr<GeomAPI_Edge> aEdge = std::shared_ptr<GeomAPI_Edge>(new GeomAPI_Edge(aLine));
 182
 183   std::shared_ptr<GeomAPI_Pnt> aPnt1 = aEdge->firstPoint();
 184   std::shared_ptr<GeomAPI_Pnt> aPnt2 = aEdge->lastPoint();
 185   gp_Pnt aP1 = aPnt1->impl<gp_Pnt>();
 186   gp_Pnt aP2 = aPnt2->impl<gp_Pnt>();
 187
 188   // Draw line by two points
 189   Handle(Graphic3d_ArrayOfSegments) aLines = new Graphic3d_ArrayOfSegments(2, 1);
 190   aLines->AddVertex(aPnt1->impl<gp_Pnt>());
 191   aLines->AddVertex(aPnt2->impl<gp_Pnt>());
 192   theGroup->AddPrimitiveArray(aLines);
 193 }
 194
 195 //*********************************************************************************
 196 void SketcherPrs_SymbolPrs::HilightSelected(const Handle(PrsMgr_PresentationManager3d)& thePM,
 197                                             const SelectMgr_SequenceOfOwner& theOwners)
 198 {
 199
 200   Handle( Prs3d_Presentation ) aSelectionPrs = GetSelectPresentation( thePM );
 201   aSelectionPrs->Clear();
 202   drawLines(aSelectionPrs, GetContext()->SelectionStyle()->Color());
 203
 204   aSelectionPrs->SetDisplayPriority(9);
 205   aSelectionPrs->Display();
 206   thePM->Color(this, GetContext()->SelectionStyle());
 207 }
 208
 209 //*********************************************************************************
 210 void SketcherPrs_SymbolPrs::HilightOwnerWithColor(
 211                                   const Handle(PrsMgr_PresentationManager3d)& thePM,
 212                                   const Handle(Graphic3d_HighlightStyle)& theStyle,
 213                                   const Handle(SelectMgr_EntityOwner)& theOwner)
 214 {
 215   thePM->Color(this, theStyle);
 216
 217   Handle( Prs3d_Presentation ) aHilightPrs = GetHilightPresentation( thePM );
 218   aHilightPrs->Clear();
 219   drawLines(aHilightPrs, theStyle->Color());
 220   aHilightPrs->SetZLayer(Graphic3d_ZLayerId_Topmost);
 221
 222   if (thePM->IsImmediateModeOn())
 223     thePM->AddToImmediateList(aHilightPrs);
 224 }
 225
 226 //*********************************************************************************
 227 void SketcherPrs_SymbolPrs::Compute(
 228                 const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
 229                 const Handle(Prs3d_Presentation)& thePresentation,
 230                 const Standard_Integer theMode)
 231 {
 232   // Create an icon
 233   prepareAspect();
 234
 235   Handle(AIS_InteractiveContext) aCtx = GetContext();
 236   Handle(OpenGl_GraphicDriver) aDriver =
 237     Handle(OpenGl_GraphicDriver)::DownCast(aCtx->CurrentViewer()->Driver());
 238   if (aDriver.IsNull())
 239     return;
 240
 241   // Update points with default shift value
 242   // it updates array of points if the presentation is ready to display, or the array of points
 243   // contains the previous values
 244
 245   bool aReadyToDisplay = updateIfReadyToDisplay(20);
 246
 247   int aNbVertex = myPntArray->VertexNumber();
 248   if (myOwner.IsNull()) {
 249     myOwner = new SelectMgr_EntityOwner(this);
 250   }
 251
 252   // Create sensitive point for each symbol
 253   mySPoints.Clear();
 254   for (int i = 1; i <= aNbVertex; i++) {
 255     Handle(SketcherPrs_SensitivePoint) aSP = new SketcherPrs_SensitivePoint(myOwner, i);
 256     mySPoints.Append(aSP);
 257   }
 258
 259   Handle(OpenGl_Group) aGroup = Handle(OpenGl_Group)::DownCast(thePresentation->NewGroup());
 260   aGroup->SetPrimitivesAspect(myAspect);
 261
 262   // Recompute boundary box of the group
 263   Graphic3d_BndBox4f& aBnd = aGroup->ChangeBoundingBox();
 264   gp_Pnt aVert;
 265   aBnd.Clear();
 266   for (int i = 1; i <= myPntArray->ItemNumber(); i++) {
 267     aVert = myPntArray->Vertice(i);
 268     aBnd.Add(Graphic3d_Vec4((float)aVert.X(), (float)aVert.Y(), (float)aVert.Z(), 1.0f));
 269   }
 270
 271   // Pint the group with custom procedure (see Render)
 272   SketcherPrs_SymbolArray* aElem =
 273     new SketcherPrs_SymbolArray((OpenGl_GraphicDriver*)aDriver->This(), this, GetContext());
 274   aGroup->AddElement(aElem);
 275
 276   // Disable frustum culling for this object by marking it as mutable
 277   aGroup->Structure()->SetMutable(true);
 278
 279   if (!aReadyToDisplay)
 280     SketcherPrs_Tools::sendEmptyPresentationError(myConstraint,
 281                           "An empty AIS presentation: SketcherPrs_LengthDimension");
 282 }
 283
 284
 285 //*********************************************************************************
 286 void SketcherPrs_SymbolPrs::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
 287                                              const Standard_Integer aMode)
 288 {
 289   ClearSelected();
 290   if ((aMode == 0) || (aMode == SketcherPrs_Tools::Sel_Constraint)) {
 291     for (int i = 1; i <= mySPoints.Length(); i++)
 292       aSelection->Add(mySPoints.Value(i));
 293   }
 294 }
 295
 296 //*********************************************************************************
 297 void SketcherPrs_SymbolPrs::SetCustomColor(const std::vector<int>& theColor)
 298 {
 299   myIsCustomColor = !theColor.empty();
 300   if (myIsCustomColor)
 301     myCustomColor = Quantity_Color(theColor[0] / 255., theColor[1] / 255.,
 302                                    theColor[2] / 255., Quantity_TOC_RGB);
 303   else
 304     myCustomColor = Quantity_Color (1.0, 1.0, 0.0, Quantity_TOC_RGB);
 305
 306   if (!myAspect.IsNull())
 307     myAspect->SetColor (myCustomColor);
 308 }
 309
 310 //*********************************************************************************
 311 void SketcherPrs_SymbolPrs::drawShape(const std::shared_ptr<GeomAPI_Shape>& theShape,
 312                                       const Handle(Prs3d_Presentation)& thePrs) const
 313 {
 314   if (theShape->isEdge()) {
 315     // The shape is edge
 316     std::shared_ptr<GeomAPI_Curve> aCurve =
 317       std::shared_ptr<GeomAPI_Curve>(new GeomAPI_Curve(theShape));
 318     if (aCurve->isLine()) {
 319       // The shape is line
 320       GeomAdaptor_Curve
 321         aCurv(aCurve->impl<Handle(Geom_Curve)>(), aCurve->startParam(), aCurve->endParam());
 322       StdPrs_Curve::Add(thePrs, aCurv, myDrawer);
 323     } else {
 324       // The shape is circle or arc
 325       GeomAdaptor_Curve
 326         aAdaptor(aCurve->impl<Handle(Geom_Curve)>(), aCurve->startParam(), aCurve->endParam());
 327       StdPrs_DeflectionCurve::Add(thePrs,aAdaptor,myDrawer);
 328     }
 329   } else if (theShape->isVertex()) {
 330     // draw vertex
 331     std::shared_ptr<GeomAPI_Vertex> aVertex =
 332       std::shared_ptr<GeomAPI_Vertex>(new GeomAPI_Vertex(theShape));
 333     std::shared_ptr<GeomAPI_Pnt> aPnt = aVertex->point();
 334     Handle(Geom_CartesianPoint) aPoint = new Geom_CartesianPoint(aPnt->impl<gp_Pnt>());
 335     StdPrs_Point::Add(thePrs, aPoint, myDrawer);
 336   }
 337 }
 338
 339 //*********************************************************************************
 340 void SketcherPrs_SymbolPrs::drawListOfShapes(
 341                       const std::shared_ptr<ModelAPI_AttributeRefList>& theListAttr,
 342                       const Handle(Prs3d_Presentation)& thePrs) const
 343 {
 344   int aNb = theListAttr->size();
 345   if (aNb == 0)
 346     return;
 347   int i;
 348   ObjectPtr aObj;
 349   for (i = 0; i < aNb; i++) {
 350     aObj = theListAttr->object(i);
 351     std::shared_ptr<GeomAPI_Shape> aShape = SketcherPrs_Tools::getShape(aObj);
 352     if (aShape.get() != NULL)
 353       drawShape(aShape, thePrs);
 354   }
 355 }
 356
 357 //*********************************************************************************
 358 void SketcherPrs_SymbolPrs::BoundingBox(Bnd_Box& theBndBox)
 359 {
 360   Select3D_BndBox3d aTmpBox;
 361   for (Select3D_EntitySequenceIter aPntIter (mySPoints); aPntIter.More(); aPntIter.Next()) {
 362     const Handle(Select3D_SensitiveEntity)& anEnt = aPntIter.Value();
 363     aTmpBox.Combine (anEnt->BoundingBox());
 364   }
 365
 366   theBndBox.Update (aTmpBox.CornerMin().x(), aTmpBox.CornerMin().y(), aTmpBox.CornerMin().z(),
 367                     aTmpBox.CornerMax().x(), aTmpBox.CornerMax().y(), aTmpBox.CornerMax().z());
 368 }
 369