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