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, myObj->myIsCustomColor);
  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 }
 110
 111 //*********************************************************************************
 112 SketcherPrs_SymbolPrs::~SketcherPrs_SymbolPrs()
 113 {
 114   SketcherPrs_PositionMgr* aMgr = SketcherPrs_PositionMgr::get();
 115   // Empty memory in position manager
 116   aMgr->deleteConstraint(this);
 117 }
 118
 119 #ifdef _WINDOWS
 120 #pragma warning( disable : 4996 )
 121 #endif
 122
 123 //*********************************************************************************
 124 Handle(Image_AlienPixMap) SketcherPrs_SymbolPrs::icon()
 125 {
 126   if (myIconsMap.count(iconName()) == 1) {
 127     return myIconsMap[iconName()];
 128   }
 129   // Load icon for the presentation
 130   std::string aFile;
 131   char* anEnv = getenv("SHAPER_ROOT_DIR");
 132   if (anEnv) {
 133     aFile = std::string(anEnv) +
 134       FSEP + "share" + FSEP + "salome" + FSEP + "resources" + FSEP + "shaper";
 135   } else {
 136     anEnv = getenv("OPENPARTS_ROOT_DIR");
 137     if (anEnv)
 138       aFile = std::string(anEnv) + FSEP + "resources";
 139   }
 140
 141   aFile += FSEP;
 142   aFile += iconName();
 143   Handle(Image_AlienPixMap) aPixMap = new Image_AlienPixMap();
 144   if (aPixMap->Load(aFile.c_str())) {
 145     myIconsMap[iconName()] = aPixMap;
 146     return aPixMap;
 147   }
 148   // The icon for constraint is not found
 149   static const char aMsg[] = "Error! constraint images are not found";
 150   cout<<aMsg<<endl;
 151   Events_InfoMessage("SketcherPrs_SymbolPrs", aMsg).send();
 152   myIconsMap[iconName()] = Handle(Image_AlienPixMap)();
 153   return Handle(Image_AlienPixMap)();
 154 }
 155
 156 //*********************************************************************************
 157 void SketcherPrs_SymbolPrs::prepareAspect()
 158 {
 159   // Create an aspect with the icon
 160   if (myAspect.IsNull()) {
 161     Handle(Image_AlienPixMap) aIcon = icon();
 162     if (aIcon.IsNull())
 163       myAspect = new Graphic3d_AspectMarker3d();
 164     else
 165       myAspect = new Graphic3d_AspectMarker3d(aIcon);
 166
 167     myAspect->SetColor(myCustomColor);
 168   }
 169 }
 170
 171 //*********************************************************************************
 172 void SketcherPrs_SymbolPrs::addLine(const Handle(Graphic3d_Group)& theGroup,
 173                                     std::string theAttrName) const
 174 {
 175   ObjectPtr aObj = SketcherPrs_Tools::getResult(myConstraint, theAttrName);
 176   std::shared_ptr<GeomAPI_Shape> aLine = SketcherPrs_Tools::getShape(aObj);
 177   if (aLine.get() == NULL)
 178     return;
 179   std::shared_ptr<GeomAPI_Edge> aEdge = std::shared_ptr<GeomAPI_Edge>(new GeomAPI_Edge(aLine));
 180
 181   std::shared_ptr<GeomAPI_Pnt> aPnt1 = aEdge->firstPoint();
 182   std::shared_ptr<GeomAPI_Pnt> aPnt2 = aEdge->lastPoint();
 183   gp_Pnt aP1 = aPnt1->impl<gp_Pnt>();
 184   gp_Pnt aP2 = aPnt2->impl<gp_Pnt>();
 185
 186   // Draw line by two points
 187   Handle(Graphic3d_ArrayOfSegments) aLines = new Graphic3d_ArrayOfSegments(2, 1);
 188   aLines->AddVertex(aPnt1->impl<gp_Pnt>());
 189   aLines->AddVertex(aPnt2->impl<gp_Pnt>());
 190   theGroup->AddPrimitiveArray(aLines);
 191 }
 192
 193 //*********************************************************************************
 194 void SketcherPrs_SymbolPrs::HilightSelected(const Handle(PrsMgr_PresentationManager3d)& thePM,
 195                                             const SelectMgr_SequenceOfOwner& theOwners)
 196 {
 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) const
 314 {
 315   if (theShape->isEdge()) {
 316     // The shape is edge
 317     std::shared_ptr<GeomAPI_Curve> aCurve =
 318       std::shared_ptr<GeomAPI_Curve>(new GeomAPI_Curve(theShape));
 319     if (aCurve->isLine()) {
 320       // The shape is line
 321       GeomAdaptor_Curve
 322         aCurv(aCurve->impl<Handle(Geom_Curve)>(), aCurve->startParam(), aCurve->endParam());
 323       StdPrs_Curve::Add(thePrs, aCurv, myDrawer);
 324     } else {
 325       // The shape is circle or arc
 326       GeomAdaptor_Curve
 327         aAdaptor(aCurve->impl<Handle(Geom_Curve)>(), aCurve->startParam(), aCurve->endParam());
 328       StdPrs_DeflectionCurve::Add(thePrs,aAdaptor,myDrawer);
 329     }
 330   } else if (theShape->isVertex()) {
 331     // draw vertex
 332     std::shared_ptr<GeomAPI_Vertex> aVertex =
 333       std::shared_ptr<GeomAPI_Vertex>(new GeomAPI_Vertex(theShape));
 334     std::shared_ptr<GeomAPI_Pnt> aPnt = aVertex->point();
 335     Handle(Geom_CartesianPoint) aPoint = new Geom_CartesianPoint(aPnt->impl<gp_Pnt>());
 336     StdPrs_Point::Add(thePrs, aPoint, myDrawer);
 337   }
 338 }
 339
 340 //*********************************************************************************
 341 void SketcherPrs_SymbolPrs::drawListOfShapes(
 342                       const std::shared_ptr<ModelAPI_AttributeRefList>& theListAttr,
 343                       const Handle(Prs3d_Presentation)& thePrs) const
 344 {
 345   int aNb = theListAttr->size();
 346   if (aNb == 0)
 347     return;
 348   int i;
 349   ObjectPtr aObj;
 350   for (i = 0; i < aNb; i++) {
 351     aObj = theListAttr->object(i);
 352     std::shared_ptr<GeomAPI_Shape> aShape = SketcherPrs_Tools::getShape(aObj);
 353     if (aShape.get() != NULL)
 354       drawShape(aShape, thePrs);
 355   }
 356 }
 357
 358 //*********************************************************************************
 359 void SketcherPrs_SymbolPrs::BoundingBox(Bnd_Box& theBndBox)
 360 {
 361   Select3D_BndBox3d aTmpBox;
 362   for (Select3D_EntitySequenceIter aPntIter (mySPoints); aPntIter.More(); aPntIter.Next()) {
 363     const Handle(Select3D_SensitiveEntity)& anEnt = aPntIter.Value();
 364     aTmpBox.Combine (anEnt->BoundingBox());
 365   }
 366
 367   theBndBox.Update (aTmpBox.CornerMin().x(), aTmpBox.CornerMin().y(), aTmpBox.CornerMin().z(),
 368                     aTmpBox.CornerMax().x(), aTmpBox.CornerMax().y(), aTmpBox.CornerMax().z());
 369 }
 370