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