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 <ModelAPI_Tools.h>
  30
  31 #include <Events_InfoMessage.h>
  32
  33 #include <Graphic3d_ArrayOfSegments.hxx>
  34 #include <Graphic3d_BndBox4f.hxx>
  35
  36 #include <SelectMgr_Selection.hxx>
  37 #include <Select3D_SensitivePoint.hxx>
  38 #include <TopLoc_Location.hxx>
  39 #include <AIS_InteractiveContext.hxx>
  40 #include <V3d_Viewer.hxx>
  41 #include <Prs3d_Root.hxx>
  42 #include <Geom_CartesianPoint.hxx>
  43 #include <GeomAdaptor_Curve.hxx>
  44 #include <StdPrs_DeflectionCurve.hxx>
  45 #include <StdPrs_Point.hxx>
  46 #include <StdPrs_Curve.hxx>
  47 #include <Prs3d_LineAspect.hxx>
  48
  49 #include <OpenGl_Element.hxx>
  50 #include <OpenGl_GraphicDriver.hxx>
  51 #include <OpenGl_Context.hxx>
  52 #include <OpenGl_View.hxx>
  53 #include <OpenGl_Group.hxx>
  54
  55 #ifdef WIN32
  56 # define FSEP "\\"
  57 #else
  58 # define FSEP "/"
  59 #endif
  60
  61 /// Step between icons
  62 static const double MyDist = 0.015;
  63
  64
  65 //**************************************************************
  66 //! Redefinition of OpenGl_Element
  67 class SketcherPrs_SymbolArray: public OpenGl_PrimitiveArray
  68 {
  69 public:
  70   SketcherPrs_SymbolArray(const OpenGl_GraphicDriver* theDriver,
  71     const Handle(SketcherPrs_SymbolPrs)& theObj, const Handle(AIS_InteractiveContext)& theCtx)
  72     :OpenGl_PrimitiveArray(theDriver, theObj->myPntArray->Type(), theObj->myPntArray->Indices(),
  73     theObj->myPntArray->Attributes(), theObj->myPntArray->Bounds()), myObj(theObj),
  74     myContext(theCtx) {}
  75
  76   virtual void Render(const Handle(OpenGl_Workspace)& theWorkspace) const
  77   {
  78     ModelAPI_Feature* aConstraint = myObj->feature();
  79     if (aConstraint->data().get() && aConstraint->data()->isValid()) {
  80       Handle(OpenGl_View) aView = theWorkspace->View();
  81       double aScale = aView->Camera()->Scale();
  82       // Update points coordinate taking the viewer scale into account
  83       myObj->updateIfReadyToDisplay(MyDist * aScale, myObj->myIsCustomColor);
  84       if (myIsVboInit) {
  85         if (myVboAttribs) {
  86           const Handle(OpenGl_Context)& aCtx = theWorkspace->GetGlContext();
  87           Handle(Graphic3d_Buffer) aAttr = myObj->myPntArray->Attributes();
  88           myVboAttribs->init(aCtx, 0, aAttr->NbElements,
  89                              aAttr->Data(), GL_NONE, aAttr->Stride);
  90         } else
  91           myIsVboInit = false;
  92       } else {
  93         myAttribs = myObj->myPntArray->Attributes();
  94         myIndices = myObj->myPntArray->Indices();
  95         myBounds = myObj->myPntArray->Bounds();
  96       }
  97     }
  98     OpenGl_PrimitiveArray::Render(theWorkspace);
  99
 100     // Update selection position only if there is no selected object
 101     // because it can corrupt selection of other objects
 102     if ((myContext->NbCurrents() == 0) && (myContext->NbSelected() == 0))  {
 103       myContext->MainSelector()->RebuildSensitivesTree(myObj);
 104       myContext->MainSelector()->RebuildObjectsTree (false);
 105     }
 106   }
 107
 108 private:
 109   Handle(SketcherPrs_SymbolPrs) myObj;
 110   Handle(AIS_InteractiveContext) myContext;
 111 };
 112
 113
 114 //*****************************************************************************
 115 IMPLEMENT_STANDARD_RTTIEXT(SketcherPrs_SymbolPrs, AIS_InteractiveObject);
 116
 117
 118 std::map<const char*, Handle(Image_AlienPixMap)> SketcherPrs_SymbolPrs::myIconsMap;
 119
 120
 121 SketcherPrs_SymbolPrs::SketcherPrs_SymbolPrs(ModelAPI_Feature* theConstraint,
 122                                              ModelAPI_CompositeFeature* theSketcher,
 123                                              const std::shared_ptr<GeomAPI_Ax3>& thePlane)
 124  : AIS_InteractiveObject(), myConstraint(theConstraint),
 125    myPlane(thePlane), myIsCustomColor(false),
 126    mySketcher(theSketcher)
 127 {
 128   SetAutoHilight(Standard_False);
 129 }
 130
 131 //*********************************************************************************
 132 SketcherPrs_SymbolPrs::~SketcherPrs_SymbolPrs()
 133 {
 134   SketcherPrs_PositionMgr* aMgr = SketcherPrs_PositionMgr::get();
 135   // Empty memory in position manager
 136   aMgr->deleteConstraint(this);
 137
 138   Handle(Prs3d_Presentation) aSelPrs =
 139     GetSelectPresentation(Handle(PrsMgr_PresentationManager3d)());
 140   if (!aSelPrs.IsNull()) {
 141       if (!aSelPrs->Groups().IsEmpty()) {
 142         aSelPrs->Clear();
 143       }
 144       aSelPrs->Erase();
 145   }
 146   Handle(Prs3d_Presentation) aHilightPrs =
 147     GetHilightPresentation(Handle(PrsMgr_PresentationManager3d)());
 148   if (!aHilightPrs.IsNull()) {
 149     if (!aHilightPrs->Groups().IsEmpty()) {
 150       aHilightPrs->Clear();
 151     }
 152     aHilightPrs->Erase();
 153   }
 154 }
 155
 156 #ifdef _WINDOWS
 157 #pragma warning( disable : 4996 )
 158 #endif
 159
 160 //*********************************************************************************
 161 Handle(Image_AlienPixMap) SketcherPrs_SymbolPrs::icon()
 162 {
 163   if (myIconsMap.count(iconName()) == 1) {
 164     return myIconsMap[iconName()];
 165   }
 166   // Load icon for the presentation
 167   std::string aFile;
 168   char* anEnv = getenv("SHAPER_ROOT_DIR");
 169   if (anEnv) {
 170     aFile = std::string(anEnv) +
 171       FSEP + "share" + FSEP + "salome" + FSEP + "resources" + FSEP + "shaper";
 172   } else {
 173     anEnv = getenv("OPENPARTS_ROOT_DIR");
 174     if (anEnv)
 175       aFile = std::string(anEnv) + FSEP + "resources";
 176   }
 177
 178   aFile += FSEP;
 179   aFile += iconName();
 180   Handle(Image_AlienPixMap) aPixMap = new Image_AlienPixMap();
 181   if (aPixMap->Load(aFile.c_str())) {
 182     myIconsMap[iconName()] = aPixMap;
 183     return aPixMap;
 184   }
 185   // The icon for constraint is not found
 186   static const char aMsg[] = "Error! constraint images are not found";
 187   cout<<aMsg<<endl;
 188   Events_InfoMessage("SketcherPrs_SymbolPrs", aMsg).send();
 189   myIconsMap[iconName()] = Handle(Image_AlienPixMap)();
 190   return Handle(Image_AlienPixMap)();
 191 }
 192
 193 //*********************************************************************************
 194 void SketcherPrs_SymbolPrs::prepareAspect()
 195 {
 196   // Create an aspect with the icon
 197   if (myAspect.IsNull()) {
 198     Handle(Image_AlienPixMap) aIcon = icon();
 199     if (aIcon.IsNull())
 200       myAspect = new Graphic3d_AspectMarker3d();
 201     else
 202       myAspect = new Graphic3d_AspectMarker3d(aIcon);
 203
 204     myAspect->SetColor(myCustomColor);
 205   }
 206 }
 207
 208 //*********************************************************************************
 209 void SketcherPrs_SymbolPrs::addLine(const Handle(Graphic3d_Group)& theGroup,
 210                                     std::string theAttrName) const
 211 {
 212   ObjectPtr aObj = SketcherPrs_Tools::getResult(myConstraint, theAttrName);
 213   std::shared_ptr<GeomAPI_Shape> aLine = SketcherPrs_Tools::getShape(aObj);
 214   if (aLine.get() == NULL)
 215     return;
 216   std::shared_ptr<GeomAPI_Edge> aEdge = std::shared_ptr<GeomAPI_Edge>(new GeomAPI_Edge(aLine));
 217
 218   std::shared_ptr<GeomAPI_Pnt> aPnt1 = aEdge->firstPoint();
 219   std::shared_ptr<GeomAPI_Pnt> aPnt2 = aEdge->lastPoint();
 220   gp_Pnt aP1 = aPnt1->impl<gp_Pnt>();
 221   gp_Pnt aP2 = aPnt2->impl<gp_Pnt>();
 222
 223   // Draw line by two points
 224   Handle(Graphic3d_ArrayOfSegments) aLines = new Graphic3d_ArrayOfSegments(2, 1);
 225   aLines->AddVertex(aPnt1->impl<gp_Pnt>());
 226   aLines->AddVertex(aPnt2->impl<gp_Pnt>());
 227   theGroup->AddPrimitiveArray(aLines);
 228 }
 229
 230 //*********************************************************************************
 231 void SketcherPrs_SymbolPrs::HilightSelected(const Handle(PrsMgr_PresentationManager3d)& thePM,
 232                                             const SelectMgr_SequenceOfOwner& theOwners)
 233 {
 234   Handle( Prs3d_Presentation ) aSelectionPrs = GetSelectPresentation( thePM );
 235   aSelectionPrs->Clear();
 236   drawLines(aSelectionPrs, GetContext()->SelectionStyle()->Color());
 237
 238   aSelectionPrs->SetDisplayPriority(9);
 239   aSelectionPrs->Display();
 240   thePM->Color(this, GetContext()->SelectionStyle());
 241 }
 242
 243 //*********************************************************************************
 244 void SketcherPrs_SymbolPrs::HilightOwnerWithColor(
 245                                   const Handle(PrsMgr_PresentationManager3d)& thePM,
 246                                   const Handle(Graphic3d_HighlightStyle)& theStyle,
 247                                   const Handle(SelectMgr_EntityOwner)& theOwner)
 248 {
 249   thePM->Color(this, theStyle);
 250
 251   Handle( Prs3d_Presentation ) aHilightPrs = GetHilightPresentation( thePM );
 252   aHilightPrs->Clear();
 253   drawLines(aHilightPrs, theStyle->Color());
 254   aHilightPrs->SetZLayer(Graphic3d_ZLayerId_Topmost);
 255
 256   if (thePM->IsImmediateModeOn())
 257     thePM->AddToImmediateList(aHilightPrs);
 258 }
 259
 260 //*********************************************************************************
 261 void SketcherPrs_SymbolPrs::Compute(
 262                 const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
 263                 const Handle(Prs3d_Presentation)& thePresentation,
 264                 const Standard_Integer theMode)
 265 {
 266   // Create an icon
 267   prepareAspect();
 268
 269   Handle(AIS_InteractiveContext) aCtx = GetContext();
 270   Handle(OpenGl_GraphicDriver) aDriver =
 271     Handle(OpenGl_GraphicDriver)::DownCast(aCtx->CurrentViewer()->Driver());
 272   if (aDriver.IsNull())
 273     return;
 274
 275   // Update points with default shift value
 276   // it updates array of points if the presentation is ready to display, or the array of points
 277   // contains the previous values
 278
 279   bool aReadyToDisplay = updateIfReadyToDisplay(20, myIsCustomColor);
 280
 281   int aNbVertex = myPntArray->VertexNumber();
 282   if (myOwner.IsNull()) {
 283     myOwner = new SelectMgr_EntityOwner(this);
 284   }
 285
 286   // Create sensitive point for each symbol
 287   mySPoints.Clear();
 288   for (int i = 1; i <= aNbVertex; i++) {
 289     Handle(SketcherPrs_SensitivePoint) aSP = new SketcherPrs_SensitivePoint(myOwner, i);
 290     mySPoints.Append(aSP);
 291     if (myIsCustomColor)
 292       myPntArray->SetVertexColor(i, myCustomColor);
 293   }
 294
 295   Handle(OpenGl_Group) aGroup =
 296     Handle(OpenGl_Group)::DownCast(Prs3d_Root::CurrentGroup (thePresentation));
 297   aGroup->SetPrimitivesAspect(myAspect);
 298
 299   // Recompute boundary box of the group
 300   Graphic3d_BndBox4f& aBnd = aGroup->ChangeBoundingBox();
 301   gp_Pnt aVert;
 302   aBnd.Clear();
 303   for (int i = 1; i <= myPntArray->ItemNumber(); i++) {
 304     aVert = myPntArray->Vertice(i);
 305     aBnd.Add(Graphic3d_Vec4((float)aVert.X(), (float)aVert.Y(), (float)aVert.Z(), 1.0f));
 306   }
 307
 308   // Pint the group with custom procedure (see Render)
 309   SketcherPrs_SymbolArray* aElem =
 310     new SketcherPrs_SymbolArray((OpenGl_GraphicDriver*)aDriver->This(), this, GetContext());
 311   aGroup->AddElement(aElem);
 312
 313   // Disable frustum culling for this object by marking it as mutable
 314   aGroup->Structure()->SetMutable(true);
 315
 316   if (!aReadyToDisplay)
 317     SketcherPrs_Tools::sendEmptyPresentationError(myConstraint,
 318                           "An empty AIS presentation: SketcherPrs_LengthDimension");
 319 }
 320
 321
 322 //*********************************************************************************
 323 void SketcherPrs_SymbolPrs::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
 324                                              const Standard_Integer aMode)
 325 {
 326   ClearSelected();
 327   if ((aMode == 0) || (aMode == SketcherPrs_Tools::Sel_Constraint)) {
 328     for (int i = 1; i <= mySPoints.Length(); i++)
 329       aSelection->Add(mySPoints.Value(i));
 330   }
 331 }
 332
 333 //*********************************************************************************
 334 void SketcherPrs_SymbolPrs::SetCustomColor(const std::vector<int>& theColor)
 335 {
 336   myIsCustomColor = !theColor.empty();
 337   if (myIsCustomColor)
 338     myCustomColor = Quantity_Color(theColor[0] / 255., theColor[1] / 255.,
 339                                    theColor[2] / 255., Quantity_TOC_RGB);
 340   else
 341     myCustomColor = Quantity_Color (1.0, 1.0, 0.0, Quantity_TOC_RGB);
 342
 343   if (!myAspect.IsNull())
 344     myAspect->SetColor (myCustomColor);
 345 }
 346
 347 //*********************************************************************************
 348 void SketcherPrs_SymbolPrs::drawShape(const std::shared_ptr<GeomAPI_Shape>& theShape,
 349                                       const Handle(Prs3d_Presentation)& thePrs,
 350                                       Quantity_Color theColor) const
 351 {
 352   int aColNam = theColor.Name();
 353   //cout<<"### SketcherPrs_SymbolPrs::drawShape "<<theColor.Name()<<endl;
 354   Handle(Graphic3d_AspectLine3d) aLineAspect =
 355     new Graphic3d_AspectLine3d(theColor, Aspect_TOL_SOLID, 2);
 356
 357   Handle(Prs3d_LineAspect) aLinesStyle = myDrawer->LineAspect();
 358   Handle(Graphic3d_AspectLine3d) aOldStyle = aLinesStyle->Aspect();
 359   aLinesStyle->SetAspect(aLineAspect);
 360   myDrawer->SetLineAspect(aLinesStyle);
 361
 362   if (theShape->isEdge()) {
 363     // The shape is edge
 364     std::shared_ptr<GeomAPI_Curve> aCurve =
 365       std::shared_ptr<GeomAPI_Curve>(new GeomAPI_Curve(theShape));
 366     if (aCurve->isLine()) {
 367       // The shape is line
 368       GeomAdaptor_Curve
 369         aCurv(aCurve->impl<Handle(Geom_Curve)>(), aCurve->startParam(), aCurve->endParam());
 370       StdPrs_Curve::Add(thePrs, aCurv, myDrawer);
 371     } else {
 372       // The shape is circle or arc
 373       GeomAdaptor_Curve
 374         aAdaptor(aCurve->impl<Handle(Geom_Curve)>(), aCurve->startParam(), aCurve->endParam());
 375       StdPrs_DeflectionCurve::Add(thePrs,aAdaptor,myDrawer);
 376     }
 377   } else if (theShape->isVertex()) {
 378     // draw vertex
 379     std::shared_ptr<GeomAPI_Vertex> aVertex =
 380       std::shared_ptr<GeomAPI_Vertex>(new GeomAPI_Vertex(theShape));
 381     std::shared_ptr<GeomAPI_Pnt> aPnt = aVertex->point();
 382     Handle(Geom_CartesianPoint) aPoint = new Geom_CartesianPoint(aPnt->impl<gp_Pnt>());
 383     StdPrs_Point::Add(thePrs, aPoint, myDrawer);
 384   }
 385
 386   aLinesStyle->SetAspect(aOldStyle);
 387   myDrawer->SetLineAspect(aLinesStyle);
 388 }
 389
 390 //*********************************************************************************
 391 void SketcherPrs_SymbolPrs::drawListOfShapes(
 392                       const std::shared_ptr<ModelAPI_AttributeRefList>& theListAttr,
 393                       const Handle(Prs3d_Presentation)& thePrs, Quantity_Color theColor) const
 394 {
 395   int aNb = theListAttr->size();
 396   if (aNb == 0)
 397     return;
 398   int i;
 399   ObjectPtr aObj;
 400   for (i = 0; i < aNb; i++) {
 401     aObj = theListAttr->object(i);
 402     std::shared_ptr<GeomAPI_Shape> aShape = SketcherPrs_Tools::getShape(aObj);
 403     if (aShape.get() != NULL)
 404       drawShape(aShape, thePrs, theColor);
 405   }
 406 }
 407
 408 //*********************************************************************************
 409 void SketcherPrs_SymbolPrs::BoundingBox(Bnd_Box& theBndBox)
 410 {
 411   Select3D_BndBox3d aTmpBox;
 412   for (Select3D_EntitySequenceIter aPntIter (mySPoints); aPntIter.More(); aPntIter.Next()) {
 413     const Handle(Select3D_SensitiveEntity)& anEnt = aPntIter.Value();
 414     aTmpBox.Combine (anEnt->BoundingBox());
 415   }
 416
 417   theBndBox.Update (aTmpBox.CornerMin().x(), aTmpBox.CornerMin().y(), aTmpBox.CornerMin().z(),
 418                     aTmpBox.CornerMax().x(), aTmpBox.CornerMax().y(), aTmpBox.CornerMax().z());
 419 }