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 = 0.02;
  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                                              const std::shared_ptr<GeomAPI_Ax3>& thePlane)
 123  : AIS_InteractiveObject(), myConstraint(theConstraint), myPlane(thePlane), myIsCustomColor(false)
 124 {
 125   SetAutoHilight(Standard_False);
 126 }
 127
 128 //*********************************************************************************
 129 SketcherPrs_SymbolPrs::~SketcherPrs_SymbolPrs()
 130 {
 131   SketcherPrs_PositionMgr* aMgr = SketcherPrs_PositionMgr::get();
 132   // Empty memory in position manager
 133   aMgr->deleteConstraint(this);
 134
 135   Handle(Prs3d_Presentation) aSelPrs =
 136     GetSelectPresentation(Handle(PrsMgr_PresentationManager3d)());
 137   if (!aSelPrs.IsNull()) {
 138       if (!aSelPrs->Groups().IsEmpty()) {
 139         aSelPrs->Clear();
 140       }
 141       aSelPrs->Erase();
 142   }
 143   Handle(Prs3d_Presentation) aHilightPrs =
 144     GetHilightPresentation(Handle(PrsMgr_PresentationManager3d)());
 145   if (!aHilightPrs.IsNull()) {
 146     if (!aHilightPrs->Groups().IsEmpty()) {
 147       aHilightPrs->Clear();
 148     }
 149     aHilightPrs->Erase();
 150   }
 151 }
 152
 153 #ifdef _WINDOWS
 154 #pragma warning( disable : 4996 )
 155 #endif
 156
 157 //*********************************************************************************
 158 Handle(Image_AlienPixMap) SketcherPrs_SymbolPrs::icon()
 159 {
 160   if (myIconsMap.count(iconName()) == 1) {
 161     return myIconsMap[iconName()];
 162   }
 163   // Load icon for the presentation
 164   std::string aFile;
 165   char* anEnv = getenv("SHAPER_ROOT_DIR");
 166   if (anEnv) {
 167     aFile = std::string(anEnv) +
 168       FSEP + "share" + FSEP + "salome" + FSEP + "resources" + FSEP + "shaper";
 169   } else {
 170     anEnv = getenv("OPENPARTS_ROOT_DIR");
 171     if (anEnv)
 172       aFile = std::string(anEnv) + FSEP + "resources";
 173   }
 174
 175   aFile += FSEP;
 176   aFile += iconName();
 177   Handle(Image_AlienPixMap) aPixMap = new Image_AlienPixMap();
 178   if (aPixMap->Load(aFile.c_str())) {
 179     myIconsMap[iconName()] = aPixMap;
 180     return aPixMap;
 181   }
 182   // The icon for constraint is not found
 183   static const char aMsg[] = "Error! constraint images are not found";
 184   cout<<aMsg<<endl;
 185   Events_InfoMessage("SketcherPrs_SymbolPrs", aMsg).send();
 186   myIconsMap[iconName()] = Handle(Image_AlienPixMap)();
 187   return Handle(Image_AlienPixMap)();
 188 }
 189
 190 //*********************************************************************************
 191 void SketcherPrs_SymbolPrs::prepareAspect()
 192 {
 193   // Create an aspect with the icon
 194   if (myAspect.IsNull()) {
 195     Handle(Image_AlienPixMap) aIcon = icon();
 196     if (aIcon.IsNull())
 197       myAspect = new Graphic3d_AspectMarker3d();
 198     else
 199       myAspect = new Graphic3d_AspectMarker3d(aIcon);
 200
 201     myAspect->SetColor(myCustomColor);
 202   }
 203 }
 204
 205 //*********************************************************************************
 206 void SketcherPrs_SymbolPrs::addLine(const Handle(Graphic3d_Group)& theGroup,
 207                                     std::string theAttrName) const
 208 {
 209   ObjectPtr aObj = SketcherPrs_Tools::getResult(myConstraint, theAttrName);
 210   std::shared_ptr<GeomAPI_Shape> aLine = SketcherPrs_Tools::getShape(aObj);
 211   if (aLine.get() == NULL)
 212     return;
 213   std::shared_ptr<GeomAPI_Edge> aEdge = std::shared_ptr<GeomAPI_Edge>(new GeomAPI_Edge(aLine));
 214
 215   std::shared_ptr<GeomAPI_Pnt> aPnt1 = aEdge->firstPoint();
 216   std::shared_ptr<GeomAPI_Pnt> aPnt2 = aEdge->lastPoint();
 217   gp_Pnt aP1 = aPnt1->impl<gp_Pnt>();
 218   gp_Pnt aP2 = aPnt2->impl<gp_Pnt>();
 219
 220   // Draw line by two points
 221   Handle(Graphic3d_ArrayOfSegments) aLines = new Graphic3d_ArrayOfSegments(2, 1);
 222   aLines->AddVertex(aPnt1->impl<gp_Pnt>());
 223   aLines->AddVertex(aPnt2->impl<gp_Pnt>());
 224   theGroup->AddPrimitiveArray(aLines);
 225 }
 226
 227 //*********************************************************************************
 228 void SketcherPrs_SymbolPrs::HilightSelected(const Handle(PrsMgr_PresentationManager3d)& thePM,
 229                                             const SelectMgr_SequenceOfOwner& theOwners)
 230 {
 231   Handle( Prs3d_Presentation ) aSelectionPrs = GetSelectPresentation( thePM );
 232   aSelectionPrs->Clear();
 233   drawLines(aSelectionPrs, GetContext()->SelectionStyle()->Color());
 234
 235   aSelectionPrs->SetDisplayPriority(9);
 236   aSelectionPrs->Display();
 237   thePM->Color(this, GetContext()->SelectionStyle());
 238 }
 239
 240 //*********************************************************************************
 241 void SketcherPrs_SymbolPrs::HilightOwnerWithColor(
 242                                   const Handle(PrsMgr_PresentationManager3d)& thePM,
 243                                   const Handle(Graphic3d_HighlightStyle)& theStyle,
 244                                   const Handle(SelectMgr_EntityOwner)& theOwner)
 245 {
 246   thePM->Color(this, theStyle);
 247
 248   Handle( Prs3d_Presentation ) aHilightPrs = GetHilightPresentation( thePM );
 249   aHilightPrs->Clear();
 250   drawLines(aHilightPrs, theStyle->Color());
 251   aHilightPrs->SetZLayer(Graphic3d_ZLayerId_Topmost);
 252
 253   if (thePM->IsImmediateModeOn())
 254     thePM->AddToImmediateList(aHilightPrs);
 255 }
 256
 257 //*********************************************************************************
 258 void SketcherPrs_SymbolPrs::Compute(
 259                 const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
 260                 const Handle(Prs3d_Presentation)& thePresentation,
 261                 const Standard_Integer theMode)
 262 {
 263   // Create an icon
 264   prepareAspect();
 265
 266   Handle(AIS_InteractiveContext) aCtx = GetContext();
 267   Handle(OpenGl_GraphicDriver) aDriver =
 268     Handle(OpenGl_GraphicDriver)::DownCast(aCtx->CurrentViewer()->Driver());
 269   if (aDriver.IsNull())
 270     return;
 271
 272   // Update points with default shift value
 273   // it updates array of points if the presentation is ready to display, or the array of points
 274   // contains the previous values
 275
 276   bool aReadyToDisplay = updateIfReadyToDisplay(20, myIsCustomColor);
 277
 278   int aNbVertex = myPntArray->VertexNumber();
 279   if (myOwner.IsNull()) {
 280     myOwner = new SelectMgr_EntityOwner(this);
 281   }
 282
 283   // Create sensitive point for each symbol
 284   mySPoints.Clear();
 285   for (int i = 1; i <= aNbVertex; i++) {
 286     Handle(SketcherPrs_SensitivePoint) aSP = new SketcherPrs_SensitivePoint(myOwner, i);
 287     mySPoints.Append(aSP);
 288     if (myIsCustomColor)
 289       myPntArray->SetVertexColor(i, myCustomColor);
 290   }
 291
 292   Handle(OpenGl_Group) aGroup =
 293     Handle(OpenGl_Group)::DownCast(Prs3d_Root::CurrentGroup (thePresentation));
 294   aGroup->SetPrimitivesAspect(myAspect);
 295
 296   // Recompute boundary box of the group
 297   Graphic3d_BndBox4f& aBnd = aGroup->ChangeBoundingBox();
 298   gp_Pnt aVert;
 299   aBnd.Clear();
 300   for (int i = 1; i <= myPntArray->ItemNumber(); i++) {
 301     aVert = myPntArray->Vertice(i);
 302     aBnd.Add(Graphic3d_Vec4((float)aVert.X(), (float)aVert.Y(), (float)aVert.Z(), 1.0f));
 303   }
 304
 305   // Pint the group with custom procedure (see Render)
 306   SketcherPrs_SymbolArray* aElem =
 307     new SketcherPrs_SymbolArray((OpenGl_GraphicDriver*)aDriver->This(), this, GetContext());
 308   aGroup->AddElement(aElem);
 309
 310   // Disable frustum culling for this object by marking it as mutable
 311   aGroup->Structure()->SetMutable(true);
 312
 313   if (!aReadyToDisplay)
 314     SketcherPrs_Tools::sendEmptyPresentationError(myConstraint,
 315                           "An empty AIS presentation: SketcherPrs_LengthDimension");
 316 }
 317
 318
 319 //*********************************************************************************
 320 void SketcherPrs_SymbolPrs::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
 321                                              const Standard_Integer aMode)
 322 {
 323   ClearSelected();
 324   if ((aMode == 0) || (aMode == SketcherPrs_Tools::Sel_Constraint)) {
 325     for (int i = 1; i <= mySPoints.Length(); i++)
 326       aSelection->Add(mySPoints.Value(i));
 327   }
 328 }
 329
 330 //*********************************************************************************
 331 void SketcherPrs_SymbolPrs::SetCustomColor(const std::vector<int>& theColor)
 332 {
 333   myIsCustomColor = !theColor.empty();
 334   if (myIsCustomColor)
 335     myCustomColor = Quantity_Color(theColor[0] / 255., theColor[1] / 255.,
 336                                    theColor[2] / 255., Quantity_TOC_RGB);
 337   else
 338     myCustomColor = Quantity_Color (1.0, 1.0, 0.0, Quantity_TOC_RGB);
 339
 340   if (!myAspect.IsNull())
 341     myAspect->SetColor (myCustomColor);
 342 }
 343
 344 //*********************************************************************************
 345 void SketcherPrs_SymbolPrs::drawShape(const std::shared_ptr<GeomAPI_Shape>& theShape,
 346                                       const Handle(Prs3d_Presentation)& thePrs,
 347                                       Quantity_Color theColor) const
 348 {
 349   int aColNam = theColor.Name();
 350   //cout<<"### SketcherPrs_SymbolPrs::drawShape "<<theColor.Name()<<endl;
 351   Handle(Graphic3d_AspectLine3d) aLineAspect =
 352     new Graphic3d_AspectLine3d(theColor, Aspect_TOL_SOLID, 2);
 353
 354   Handle(Prs3d_LineAspect) aLinesStyle = myDrawer->LineAspect();
 355   Handle(Graphic3d_AspectLine3d) aOldStyle = aLinesStyle->Aspect();
 356   aLinesStyle->SetAspect(aLineAspect);
 357   myDrawer->SetLineAspect(aLinesStyle);
 358
 359   if (theShape->isEdge()) {
 360     // The shape is edge
 361     std::shared_ptr<GeomAPI_Curve> aCurve =
 362       std::shared_ptr<GeomAPI_Curve>(new GeomAPI_Curve(theShape));
 363     if (aCurve->isLine()) {
 364       // The shape is line
 365       GeomAdaptor_Curve
 366         aCurv(aCurve->impl<Handle(Geom_Curve)>(), aCurve->startParam(), aCurve->endParam());
 367       StdPrs_Curve::Add(thePrs, aCurv, myDrawer);
 368     } else {
 369       // The shape is circle or arc
 370       GeomAdaptor_Curve
 371         aAdaptor(aCurve->impl<Handle(Geom_Curve)>(), aCurve->startParam(), aCurve->endParam());
 372       StdPrs_DeflectionCurve::Add(thePrs,aAdaptor,myDrawer);
 373     }
 374   } else if (theShape->isVertex()) {
 375     // draw vertex
 376     std::shared_ptr<GeomAPI_Vertex> aVertex =
 377       std::shared_ptr<GeomAPI_Vertex>(new GeomAPI_Vertex(theShape));
 378     std::shared_ptr<GeomAPI_Pnt> aPnt = aVertex->point();
 379     Handle(Geom_CartesianPoint) aPoint = new Geom_CartesianPoint(aPnt->impl<gp_Pnt>());
 380     StdPrs_Point::Add(thePrs, aPoint, myDrawer);
 381   }
 382
 383   aLinesStyle->SetAspect(aOldStyle);
 384   myDrawer->SetLineAspect(aLinesStyle);
 385 }
 386
 387 //*********************************************************************************
 388 void SketcherPrs_SymbolPrs::drawListOfShapes(
 389                       const std::shared_ptr<ModelAPI_AttributeRefList>& theListAttr,
 390                       const Handle(Prs3d_Presentation)& thePrs, Quantity_Color theColor) const
 391 {
 392   int aNb = theListAttr->size();
 393   if (aNb == 0)
 394     return;
 395   int i;
 396   ObjectPtr aObj;
 397   for (i = 0; i < aNb; i++) {
 398     aObj = theListAttr->object(i);
 399     std::shared_ptr<GeomAPI_Shape> aShape = SketcherPrs_Tools::getShape(aObj);
 400     if (aShape.get() != NULL)
 401       drawShape(aShape, thePrs, theColor);
 402   }
 403 }
 404
 405 //*********************************************************************************
 406 void SketcherPrs_SymbolPrs::BoundingBox(Bnd_Box& theBndBox)
 407 {
 408   Select3D_BndBox3d aTmpBox;
 409   for (Select3D_EntitySequenceIter aPntIter (mySPoints); aPntIter.More(); aPntIter.Next()) {
 410     const Handle(Select3D_SensitiveEntity)& anEnt = aPntIter.Value();
 411     aTmpBox.Combine (anEnt->BoundingBox());
 412   }
 413
 414   theBndBox.Update (aTmpBox.CornerMin().x(), aTmpBox.CornerMin().y(), aTmpBox.CornerMin().z(),
 415                     aTmpBox.CornerMax().x(), aTmpBox.CornerMax().y(), aTmpBox.CornerMax().z());
 416 }
 417
 418 //*********************************************************************************
 419 CompositeFeaturePtr SketcherPrs_SymbolPrs::sketcher() const
 420 {
 421   return ModelAPI_Tools::compositeOwner(FeaturePtr(myConstraint));
 422 }