src/SketcherPrs/SketcherPrs_SymbolPrs.cpp

   1 // Copyright (C) 2014-2017  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or
  18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
  19 //
  20
  21 #include "SketcherPrs_SymbolPrs.h"
  22 #include "SketcherPrs_Tools.h"
  23 #include "SketcherPrs_PositionMgr.h"
  24
  25 #include <GeomAPI_Edge.h>
  26 #include <GeomAPI_Vertex.h>
  27 #include <GeomAPI_Curve.h>
  28
  29 #include <Events_InfoMessage.h>
  30
  31 #include <Graphic3d_ArrayOfSegments.hxx>
  32 #include <Graphic3d_BndBox4f.hxx>
  33
  34 #include <SelectMgr_Selection.hxx>
  35 #include <Select3D_SensitivePoint.hxx>
  36 #include <TopLoc_Location.hxx>
  37 #include <AIS_InteractiveContext.hxx>
  38 #include <V3d_Viewer.hxx>
  39 #include <Prs3d_Root.hxx>
  40 #include <Geom_CartesianPoint.hxx>
  41 #include <GeomAdaptor_Curve.hxx>
  42 #include <StdPrs_DeflectionCurve.hxx>
  43 #include <StdPrs_Point.hxx>
  44 #include <StdPrs_Curve.hxx>
  45 #include <Prs3d_LineAspect.hxx>
  46
  47 #include <OpenGl_Element.hxx>
  48 #include <OpenGl_GraphicDriver.hxx>
  49 #include <OpenGl_Context.hxx>
  50 #include <OpenGl_View.hxx>
  51 #include <OpenGl_Group.hxx>
  52
  53 #ifdef WIN32
  54 # define FSEP "\\"
  55 #else
  56 # define FSEP "/"
  57 #endif
  58
  59 /// Step between icons
  60 static const double MyDist = 0.02;
  61
  62
  63 //**************************************************************
  64 //! Redefinition of OpenGl_Element
  65 class SketcherPrs_SymbolArray: public OpenGl_PrimitiveArray
  66 {
  67 public:
  68   SketcherPrs_SymbolArray(const OpenGl_GraphicDriver* theDriver,
  69     const Handle(SketcherPrs_SymbolPrs)& theObj, const Handle(AIS_InteractiveContext)& theCtx)
  70     :OpenGl_PrimitiveArray(theDriver, theObj->myPntArray->Type(), theObj->myPntArray->Indices(),
  71     theObj->myPntArray->Attributes(), theObj->myPntArray->Bounds()), myObj(theObj),
  72     myContext(theCtx) {}
  73
  74   virtual void Render(const Handle(OpenGl_Workspace)& theWorkspace) const
  75   {
  76     ModelAPI_Feature* aConstraint = myObj->feature();
  77     if (aConstraint->data().get() && aConstraint->data()->isValid()) {
  78       Handle(OpenGl_View) aView = theWorkspace->View();
  79       double aScale = aView->Camera()->Scale();
  80       // Update points coordinate taking the viewer scale into account
  81       myObj->updateIfReadyToDisplay(MyDist * aScale, myObj->myIsCustomColor);
  82       if (myIsVboInit) {
  83         if (myVboAttribs) {
  84           const Handle(OpenGl_Context)& aCtx = theWorkspace->GetGlContext();
  85           Handle(Graphic3d_Buffer) aAttr = myObj->myPntArray->Attributes();
  86           myVboAttribs->init(aCtx, 0, aAttr->NbElements,
  87                              aAttr->Data(), GL_NONE, aAttr->Stride);
  88         } else
  89           myIsVboInit = false;
  90       } else {
  91         myAttribs = myObj->myPntArray->Attributes();
  92         myIndices = myObj->myPntArray->Indices();
  93         myBounds = myObj->myPntArray->Bounds();
  94       }
  95     }
  96     OpenGl_PrimitiveArray::Render(theWorkspace);
  97
  98     // Update selection position only if there is no selected object
  99     // because it can corrupt selection of other objects
 100     if ((myContext->NbCurrents() == 0) && (myContext->NbSelected() == 0))  {
 101       myContext->MainSelector()->RebuildSensitivesTree(myObj);
 102       myContext->MainSelector()->RebuildObjectsTree (false);
 103     }
 104   }
 105
 106 private:
 107   Handle(SketcherPrs_SymbolPrs) myObj;
 108   Handle(AIS_InteractiveContext) myContext;
 109 };
 110
 111
 112 //*****************************************************************************
 113 IMPLEMENT_STANDARD_RTTIEXT(SketcherPrs_SymbolPrs, AIS_InteractiveObject);
 114
 115
 116 std::map<const char*, Handle(Image_AlienPixMap)> SketcherPrs_SymbolPrs::myIconsMap;
 117
 118
 119 SketcherPrs_SymbolPrs::SketcherPrs_SymbolPrs(ModelAPI_Feature* theConstraint,
 120                                              const std::shared_ptr<GeomAPI_Ax3>& thePlane)
 121  : AIS_InteractiveObject(), myConstraint(theConstraint), myPlane(thePlane), myIsCustomColor(false)
 122 {
 123   SetAutoHilight(Standard_False);
 124 }
 125
 126 //*********************************************************************************
 127 SketcherPrs_SymbolPrs::~SketcherPrs_SymbolPrs()
 128 {
 129   SketcherPrs_PositionMgr* aMgr = SketcherPrs_PositionMgr::get();
 130   // Empty memory in position manager
 131   aMgr->deleteConstraint(this);
 132
 133   Handle(Prs3d_Presentation) aSelPrs =
 134     GetSelectPresentation(Handle(PrsMgr_PresentationManager3d)());
 135   if (!aSelPrs.IsNull()) {
 136       if (!aSelPrs->Groups().IsEmpty()) {
 137         aSelPrs->Clear();
 138       }
 139       aSelPrs->Erase();
 140   }
 141   Handle(Prs3d_Presentation) aHilightPrs =
 142     GetHilightPresentation(Handle(PrsMgr_PresentationManager3d)());
 143   if (!aHilightPrs.IsNull()) {
 144     if (!aHilightPrs->Groups().IsEmpty()) {
 145       aHilightPrs->Clear();
 146     }
 147     aHilightPrs->Erase();
 148   }
 149 }
 150
 151 #ifdef _WINDOWS
 152 #pragma warning( disable : 4996 )
 153 #endif
 154
 155 //*********************************************************************************
 156 Handle(Image_AlienPixMap) SketcherPrs_SymbolPrs::icon()
 157 {
 158   if (myIconsMap.count(iconName()) == 1) {
 159     return myIconsMap[iconName()];
 160   }
 161   // Load icon for the presentation
 162   std::string aFile;
 163   char* anEnv = getenv("SHAPER_ROOT_DIR");
 164   if (anEnv) {
 165     aFile = std::string(anEnv) +
 166       FSEP + "share" + FSEP + "salome" + FSEP + "resources" + FSEP + "shaper";
 167   } else {
 168     anEnv = getenv("OPENPARTS_ROOT_DIR");
 169     if (anEnv)
 170       aFile = std::string(anEnv) + FSEP + "resources";
 171   }
 172
 173   aFile += FSEP;
 174   aFile += iconName();
 175   Handle(Image_AlienPixMap) aPixMap = new Image_AlienPixMap();
 176   if (aPixMap->Load(aFile.c_str())) {
 177     myIconsMap[iconName()] = aPixMap;
 178     return aPixMap;
 179   }
 180   // The icon for constraint is not found
 181   static const char aMsg[] = "Error! constraint images are not found";
 182   cout<<aMsg<<endl;
 183   Events_InfoMessage("SketcherPrs_SymbolPrs", aMsg).send();
 184   myIconsMap[iconName()] = Handle(Image_AlienPixMap)();
 185   return Handle(Image_AlienPixMap)();
 186 }
 187
 188 //*********************************************************************************
 189 void SketcherPrs_SymbolPrs::prepareAspect()
 190 {
 191   // Create an aspect with the icon
 192   if (myAspect.IsNull()) {
 193     Handle(Image_AlienPixMap) aIcon = icon();
 194     if (aIcon.IsNull())
 195       myAspect = new Graphic3d_AspectMarker3d();
 196     else
 197       myAspect = new Graphic3d_AspectMarker3d(aIcon);
 198
 199     myAspect->SetColor(myCustomColor);
 200   }
 201 }
 202
 203 //*********************************************************************************
 204 void SketcherPrs_SymbolPrs::addLine(const Handle(Graphic3d_Group)& theGroup,
 205                                     std::string theAttrName) const
 206 {
 207   ObjectPtr aObj = SketcherPrs_Tools::getResult(myConstraint, theAttrName);
 208   std::shared_ptr<GeomAPI_Shape> aLine = SketcherPrs_Tools::getShape(aObj);
 209   if (aLine.get() == NULL)
 210     return;
 211   std::shared_ptr<GeomAPI_Edge> aEdge = std::shared_ptr<GeomAPI_Edge>(new GeomAPI_Edge(aLine));
 212
 213   std::shared_ptr<GeomAPI_Pnt> aPnt1 = aEdge->firstPoint();
 214   std::shared_ptr<GeomAPI_Pnt> aPnt2 = aEdge->lastPoint();
 215   gp_Pnt aP1 = aPnt1->impl<gp_Pnt>();
 216   gp_Pnt aP2 = aPnt2->impl<gp_Pnt>();
 217
 218   // Draw line by two points
 219   Handle(Graphic3d_ArrayOfSegments) aLines = new Graphic3d_ArrayOfSegments(2, 1);
 220   aLines->AddVertex(aPnt1->impl<gp_Pnt>());
 221   aLines->AddVertex(aPnt2->impl<gp_Pnt>());
 222   theGroup->AddPrimitiveArray(aLines);
 223 }
 224
 225 //*********************************************************************************
 226 void SketcherPrs_SymbolPrs::HilightSelected(const Handle(PrsMgr_PresentationManager3d)& thePM,
 227                                             const SelectMgr_SequenceOfOwner& theOwners)
 228 {
 229   Handle( Prs3d_Presentation ) aSelectionPrs = GetSelectPresentation( thePM );
 230   aSelectionPrs->Clear();
 231   drawLines(aSelectionPrs, GetContext()->SelectionStyle()->Color());
 232
 233   aSelectionPrs->SetDisplayPriority(9);
 234   aSelectionPrs->Display();
 235   thePM->Color(this, GetContext()->SelectionStyle());
 236 }
 237
 238 //*********************************************************************************
 239 void SketcherPrs_SymbolPrs::HilightOwnerWithColor(
 240                                   const Handle(PrsMgr_PresentationManager3d)& thePM,
 241                                   const Handle(Graphic3d_HighlightStyle)& theStyle,
 242                                   const Handle(SelectMgr_EntityOwner)& theOwner)
 243 {
 244   thePM->Color(this, theStyle);
 245
 246   Handle( Prs3d_Presentation ) aHilightPrs = GetHilightPresentation( thePM );
 247   aHilightPrs->Clear();
 248   drawLines(aHilightPrs, theStyle->Color());
 249   aHilightPrs->SetZLayer(Graphic3d_ZLayerId_Topmost);
 250
 251   if (thePM->IsImmediateModeOn())
 252     thePM->AddToImmediateList(aHilightPrs);
 253 }
 254
 255 //*********************************************************************************
 256 void SketcherPrs_SymbolPrs::Compute(
 257                 const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
 258                 const Handle(Prs3d_Presentation)& thePresentation,
 259                 const Standard_Integer theMode)
 260 {
 261   // Create an icon
 262   prepareAspect();
 263
 264   Handle(AIS_InteractiveContext) aCtx = GetContext();
 265   Handle(OpenGl_GraphicDriver) aDriver =
 266     Handle(OpenGl_GraphicDriver)::DownCast(aCtx->CurrentViewer()->Driver());
 267   if (aDriver.IsNull())
 268     return;
 269
 270   // Update points with default shift value
 271   // it updates array of points if the presentation is ready to display, or the array of points
 272   // contains the previous values
 273
 274   bool aReadyToDisplay = updateIfReadyToDisplay(20, myIsCustomColor);
 275
 276   int aNbVertex = myPntArray->VertexNumber();
 277   if (myOwner.IsNull()) {
 278     myOwner = new SelectMgr_EntityOwner(this);
 279   }
 280
 281   // Create sensitive point for each symbol
 282   mySPoints.Clear();
 283   for (int i = 1; i <= aNbVertex; i++) {
 284     Handle(SketcherPrs_SensitivePoint) aSP = new SketcherPrs_SensitivePoint(myOwner, i);
 285     mySPoints.Append(aSP);
 286     if (myIsCustomColor)
 287       myPntArray->SetVertexColor(i, myCustomColor);
 288   }
 289
 290   Handle(OpenGl_Group) aGroup =
 291     Handle(OpenGl_Group)::DownCast(Prs3d_Root::CurrentGroup (thePresentation));
 292   aGroup->SetPrimitivesAspect(myAspect);
 293
 294   // Recompute boundary box of the group
 295   Graphic3d_BndBox4f& aBnd = aGroup->ChangeBoundingBox();
 296   gp_Pnt aVert;
 297   aBnd.Clear();
 298   for (int i = 1; i <= myPntArray->ItemNumber(); i++) {
 299     aVert = myPntArray->Vertice(i);
 300     aBnd.Add(Graphic3d_Vec4((float)aVert.X(), (float)aVert.Y(), (float)aVert.Z(), 1.0f));
 301   }
 302
 303   // Pint the group with custom procedure (see Render)
 304   SketcherPrs_SymbolArray* aElem =
 305     new SketcherPrs_SymbolArray((OpenGl_GraphicDriver*)aDriver->This(), this, GetContext());
 306   aGroup->AddElement(aElem);
 307
 308   // Disable frustum culling for this object by marking it as mutable
 309   aGroup->Structure()->SetMutable(true);
 310
 311   if (!aReadyToDisplay)
 312     SketcherPrs_Tools::sendEmptyPresentationError(myConstraint,
 313                           "An empty AIS presentation: SketcherPrs_LengthDimension");
 314 }
 315
 316
 317 //*********************************************************************************
 318 void SketcherPrs_SymbolPrs::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
 319                                              const Standard_Integer aMode)
 320 {
 321   ClearSelected();
 322   if ((aMode == 0) || (aMode == SketcherPrs_Tools::Sel_Constraint)) {
 323     for (int i = 1; i <= mySPoints.Length(); i++)
 324       aSelection->Add(mySPoints.Value(i));
 325   }
 326 }
 327
 328 //*********************************************************************************
 329 void SketcherPrs_SymbolPrs::SetCustomColor(const std::vector<int>& theColor)
 330 {
 331   myIsCustomColor = !theColor.empty();
 332   if (myIsCustomColor)
 333     myCustomColor = Quantity_Color(theColor[0] / 255., theColor[1] / 255.,
 334                                    theColor[2] / 255., Quantity_TOC_RGB);
 335   else
 336     myCustomColor = Quantity_Color (1.0, 1.0, 0.0, Quantity_TOC_RGB);
 337
 338   if (!myAspect.IsNull())
 339     myAspect->SetColor (myCustomColor);
 340 }
 341
 342 //*********************************************************************************
 343 void SketcherPrs_SymbolPrs::drawShape(const std::shared_ptr<GeomAPI_Shape>& theShape,
 344                                       const Handle(Prs3d_Presentation)& thePrs,
 345                                       Quantity_Color theColor) const
 346 {
 347   int aColNam = theColor.Name();
 348   //cout<<"### SketcherPrs_SymbolPrs::drawShape "<<theColor.Name()<<endl;
 349   Handle(Graphic3d_AspectLine3d) aLineAspect =
 350     new Graphic3d_AspectLine3d(theColor, Aspect_TOL_SOLID, 2);
 351
 352   Handle(Prs3d_LineAspect) aLinesStyle = myDrawer->LineAspect();
 353   Handle(Graphic3d_AspectLine3d) aOldStyle = aLinesStyle->Aspect();
 354   aLinesStyle->SetAspect(aLineAspect);
 355   myDrawer->SetLineAspect(aLinesStyle);
 356
 357   if (theShape->isEdge()) {
 358     // The shape is edge
 359     std::shared_ptr<GeomAPI_Curve> aCurve =
 360       std::shared_ptr<GeomAPI_Curve>(new GeomAPI_Curve(theShape));
 361     if (aCurve->isLine()) {
 362       // The shape is line
 363       GeomAdaptor_Curve
 364         aCurv(aCurve->impl<Handle(Geom_Curve)>(), aCurve->startParam(), aCurve->endParam());
 365       StdPrs_Curve::Add(thePrs, aCurv, myDrawer);
 366     } else {
 367       // The shape is circle or arc
 368       GeomAdaptor_Curve
 369         aAdaptor(aCurve->impl<Handle(Geom_Curve)>(), aCurve->startParam(), aCurve->endParam());
 370       StdPrs_DeflectionCurve::Add(thePrs,aAdaptor,myDrawer);
 371     }
 372   } else if (theShape->isVertex()) {
 373     // draw vertex
 374     std::shared_ptr<GeomAPI_Vertex> aVertex =
 375       std::shared_ptr<GeomAPI_Vertex>(new GeomAPI_Vertex(theShape));
 376     std::shared_ptr<GeomAPI_Pnt> aPnt = aVertex->point();
 377     Handle(Geom_CartesianPoint) aPoint = new Geom_CartesianPoint(aPnt->impl<gp_Pnt>());
 378     StdPrs_Point::Add(thePrs, aPoint, myDrawer);
 379   }
 380
 381   aLinesStyle->SetAspect(aOldStyle);
 382   myDrawer->SetLineAspect(aLinesStyle);
 383 }
 384
 385 //*********************************************************************************
 386 void SketcherPrs_SymbolPrs::drawListOfShapes(
 387                       const std::shared_ptr<ModelAPI_AttributeRefList>& theListAttr,
 388                       const Handle(Prs3d_Presentation)& thePrs, Quantity_Color theColor) const
 389 {
 390   int aNb = theListAttr->size();
 391   if (aNb == 0)
 392     return;
 393   int i;
 394   ObjectPtr aObj;
 395   for (i = 0; i < aNb; i++) {
 396     aObj = theListAttr->object(i);
 397     std::shared_ptr<GeomAPI_Shape> aShape = SketcherPrs_Tools::getShape(aObj);
 398     if (aShape.get() != NULL)
 399       drawShape(aShape, thePrs, theColor);
 400   }
 401 }
 402
 403 //*********************************************************************************
 404 void SketcherPrs_SymbolPrs::BoundingBox(Bnd_Box& theBndBox)
 405 {
 406   Select3D_BndBox3d aTmpBox;
 407   for (Select3D_EntitySequenceIter aPntIter (mySPoints); aPntIter.More(); aPntIter.Next()) {
 408     const Handle(Select3D_SensitiveEntity)& anEnt = aPntIter.Value();
 409     aTmpBox.Combine (anEnt->BoundingBox());
 410   }
 411
 412   theBndBox.Update (aTmpBox.CornerMin().x(), aTmpBox.CornerMin().y(), aTmpBox.CornerMin().z(),
 413                     aTmpBox.CornerMax().x(), aTmpBox.CornerMax().y(), aTmpBox.CornerMax().z());
 414 }
 415