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->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   SketchPlugin_Sketch* theSketcher)
 123  : AIS_InteractiveObject(), myConstraint(theConstraint),
 124    myPlane(theSketcher->coordinatePlane()), myIsCustomColor(false),
 125    mySketcher(theSketcher)
 126 {
 127   SetAutoHilight(Standard_False);
 128 }
 129
 130 //*********************************************************************************
 131 SketcherPrs_SymbolPrs::~SketcherPrs_SymbolPrs()
 132 {
 133   SketcherPrs_PositionMgr* aMgr = SketcherPrs_PositionMgr::get();
 134   // Empty memory in position manager
 135   aMgr->deleteConstraint(this);
 136
 137   Handle(Prs3d_Presentation) aSelPrs =
 138     GetSelectPresentation(Handle(PrsMgr_PresentationManager3d)());
 139   if (!aSelPrs.IsNull()) {
 140       if (!aSelPrs->Groups().IsEmpty()) {
 141         aSelPrs->Clear();
 142       }
 143       aSelPrs->Erase();
 144   }
 145   Handle(Prs3d_Presentation) aHilightPrs =
 146     GetHilightPresentation(Handle(PrsMgr_PresentationManager3d)());
 147   if (!aHilightPrs.IsNull()) {
 148     if (!aHilightPrs->Groups().IsEmpty()) {
 149       aHilightPrs->Clear();
 150     }
 151     aHilightPrs->Erase();
 152   }
 153 }
 154
 155 #ifdef _WINDOWS
 156 #pragma warning( disable : 4996 )
 157 #endif
 158
 159 //*********************************************************************************
 160 Handle(Image_AlienPixMap) SketcherPrs_SymbolPrs::icon()
 161 {
 162   if (myIconsMap.count(iconName()) == 1) {
 163     return myIconsMap[iconName()];
 164   }
 165   // Load icon for the presentation
 166   std::string aFile;
 167   char* anEnv = getenv("SHAPER_ROOT_DIR");
 168   if (anEnv) {
 169     aFile = std::string(anEnv) +
 170       FSEP + "share" + FSEP + "salome" + FSEP + "resources" + FSEP + "shaper";
 171   } else {
 172     anEnv = getenv("OPENPARTS_ROOT_DIR");
 173     if (anEnv)
 174       aFile = std::string(anEnv) + FSEP + "resources";
 175   }
 176
 177   aFile += FSEP;
 178   aFile += iconName();
 179   Handle(Image_AlienPixMap) aPixMap = new Image_AlienPixMap();
 180   if (aPixMap->Load(aFile.c_str())) {
 181     myIconsMap[iconName()] = aPixMap;
 182     return aPixMap;
 183   }
 184   // The icon for constraint is not found
 185   static const char aMsg[] = "Error! constraint images are not found";
 186   cout<<aMsg<<endl;
 187   Events_InfoMessage("SketcherPrs_SymbolPrs", aMsg).send();
 188   myIconsMap[iconName()] = Handle(Image_AlienPixMap)();
 189   return Handle(Image_AlienPixMap)();
 190 }
 191
 192 //*********************************************************************************
 193 void SketcherPrs_SymbolPrs::prepareAspect()
 194 {
 195   // Create an aspect with the icon
 196   if (myAspect.IsNull()) {
 197     Handle(Image_AlienPixMap) aIcon = icon();
 198     if (aIcon.IsNull())
 199       myAspect = new Graphic3d_AspectMarker3d();
 200     else
 201       myAspect = new Graphic3d_AspectMarker3d(aIcon);
 202
 203     myAspect->SetColor(myCustomColor);
 204   }
 205 }
 206
 207 //*********************************************************************************
 208 void SketcherPrs_SymbolPrs::addLine(const Handle(Graphic3d_Group)& theGroup,
 209                                     std::string theAttrName) const
 210 {
 211   ObjectPtr aObj = SketcherPrs_Tools::getResult(myConstraint, theAttrName);
 212   std::shared_ptr<GeomAPI_Shape> aLine = SketcherPrs_Tools::getShape(aObj);
 213   if (aLine.get() == NULL)
 214     return;
 215   std::shared_ptr<GeomAPI_Edge> aEdge = std::shared_ptr<GeomAPI_Edge>(new GeomAPI_Edge(aLine));
 216
 217   std::shared_ptr<GeomAPI_Pnt> aPnt1 = aEdge->firstPoint();
 218   std::shared_ptr<GeomAPI_Pnt> aPnt2 = aEdge->lastPoint();
 219   gp_Pnt aP1 = aPnt1->impl<gp_Pnt>();
 220   gp_Pnt aP2 = aPnt2->impl<gp_Pnt>();
 221
 222   // Draw line by two points
 223   Handle(Graphic3d_ArrayOfSegments) aLines = new Graphic3d_ArrayOfSegments(2, 1);
 224   aLines->AddVertex(aPnt1->impl<gp_Pnt>());
 225   aLines->AddVertex(aPnt2->impl<gp_Pnt>());
 226   theGroup->AddPrimitiveArray(aLines);
 227 }
 228
 229 //*********************************************************************************
 230 void SketcherPrs_SymbolPrs::HilightSelected(const Handle(PrsMgr_PresentationManager3d)& thePM,
 231                                             const SelectMgr_SequenceOfOwner& theOwners)
 232 {
 233   Handle( Prs3d_Presentation ) aSelectionPrs = GetSelectPresentation( thePM );
 234   aSelectionPrs->Clear();
 235   drawLines(aSelectionPrs, GetContext()->SelectionStyle()->Color());
 236
 237   aSelectionPrs->SetDisplayPriority(9);
 238   aSelectionPrs->Display();
 239   thePM->Color(this, GetContext()->SelectionStyle());
 240 }
 241
 242 //*********************************************************************************
 243 void SketcherPrs_SymbolPrs::HilightOwnerWithColor(
 244                                   const Handle(PrsMgr_PresentationManager3d)& thePM,
 245                                   const Handle(Prs3d_Drawer)& theStyle,
 246                                   const Handle(SelectMgr_EntityOwner)& theOwner)
 247 {
 248   thePM->Color(this, theStyle);
 249
 250   Handle( Prs3d_Presentation ) aHilightPrs = GetHilightPresentation( thePM );
 251   aHilightPrs->Clear();
 252   drawLines(aHilightPrs, theStyle->Color());
 253   aHilightPrs->SetZLayer(Graphic3d_ZLayerId_Topmost);
 254
 255   if (thePM->IsImmediateModeOn())
 256     thePM->AddToImmediateList(aHilightPrs);
 257 }
 258
 259 //*********************************************************************************
 260 void SketcherPrs_SymbolPrs::Compute(
 261                 const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
 262                 const Handle(Prs3d_Presentation)& thePresentation,
 263                 const Standard_Integer theMode)
 264 {
 265   // Create an icon
 266   prepareAspect();
 267
 268   Handle(AIS_InteractiveContext) aCtx = GetContext();
 269   Handle(OpenGl_GraphicDriver) aDriver =
 270     Handle(OpenGl_GraphicDriver)::DownCast(aCtx->CurrentViewer()->Driver());
 271   if (aDriver.IsNull())
 272     return;
 273
 274   // Update points with default shift value
 275   // it updates array of points if the presentation is ready to display, or the array of points
 276   // contains the previous values
 277
 278   bool aReadyToDisplay = updateIfReadyToDisplay(20, myIsCustomColor);
 279
 280   int aNbVertex = myPntArray->VertexNumber();
 281   if (myOwner.IsNull()) {
 282     myOwner = new SelectMgr_EntityOwner(this);
 283   }
 284
 285   // Create sensitive point for each symbol
 286   mySPoints.Clear();
 287   for (int i = 1; i <= aNbVertex; i++) {
 288     Handle(SketcherPrs_SensitivePoint) aSP = new SketcherPrs_SensitivePoint(myOwner, i);
 289     mySPoints.Append(aSP);
 290     if (myIsCustomColor)
 291       myPntArray->SetVertexColor(i, myCustomColor);
 292   }
 293
 294   Handle(OpenGl_Group) aGroup =
 295     Handle(OpenGl_Group)::DownCast(Prs3d_Root::CurrentGroup (thePresentation));
 296   aGroup->SetPrimitivesAspect(myAspect);
 297
 298   // Recompute boundary box of the group
 299   Graphic3d_BndBox4f& aBnd = aGroup->ChangeBoundingBox();
 300   gp_Pnt aVert;
 301   aBnd.Clear();
 302   for (int i = 1; i <= myPntArray->ItemNumber(); i++) {
 303     aVert = myPntArray->Vertice(i);
 304     aBnd.Add(Graphic3d_Vec4((float)aVert.X(), (float)aVert.Y(), (float)aVert.Z(), 1.0f));
 305   }
 306
 307   // Pint the group with custom procedure (see Render)
 308   SketcherPrs_SymbolArray* aElem =
 309     new SketcherPrs_SymbolArray((OpenGl_GraphicDriver*)aDriver->This(), this, GetContext());
 310   aGroup->AddElement(aElem);
 311
 312   // Disable frustum culling for this object by marking it as mutable
 313   aGroup->Structure()->SetMutable(true);
 314
 315   if (!aReadyToDisplay)
 316     SketcherPrs_Tools::sendEmptyPresentationError(myConstraint,
 317                           "An empty AIS presentation: SketcherPrs_LengthDimension");
 318 }
 319
 320
 321 //*********************************************************************************
 322 void SketcherPrs_SymbolPrs::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
 323                                              const Standard_Integer aMode)
 324 {
 325   ClearSelected();
 326   if ((aMode == 0) || (aMode == SketcherPrs_Tools::Sel_Constraint)) {
 327     for (int i = 1; i <= mySPoints.Length(); i++)
 328       aSelection->Add(mySPoints.Value(i));
 329   }
 330 }
 331
 332 //*********************************************************************************
 333 void SketcherPrs_SymbolPrs::SetCustomColor(const std::vector<int>& theColor)
 334 {
 335   myIsCustomColor = !theColor.empty();
 336   if (myIsCustomColor)
 337     myCustomColor = Quantity_Color(theColor[0] / 255., theColor[1] / 255.,
 338                                    theColor[2] / 255., Quantity_TOC_RGB);
 339   else
 340     myCustomColor = Quantity_Color (1.0, 1.0, 0.0, Quantity_TOC_RGB);
 341
 342   if (!myAspect.IsNull())
 343     myAspect->SetColor (myCustomColor);
 344
 345   Handle(Prs3d_Presentation) aPrs = Presentation();
 346   if (!aPrs.IsNull()) {
 347     if (myIsCustomColor) {
 348       Handle(Graphic3d_PresentationAttributes) aAttr = new Graphic3d_PresentationAttributes();
 349       aAttr->SetColor(myCustomColor);
 350       aPrs->Highlight(aAttr);
 351     }
 352     else {
 353       aPrs->UnHighlight();
 354     }
 355   }
 356 }
 357
 358 //*********************************************************************************
 359 void SketcherPrs_SymbolPrs::drawShape(const std::shared_ptr<GeomAPI_Shape>& theShape,
 360                                       const Handle(Prs3d_Presentation)& thePrs,
 361                                       Quantity_Color theColor) const
 362 {
 363   Handle(Graphic3d_AspectLine3d) aLineAspect =
 364     new Graphic3d_AspectLine3d(theColor, Aspect_TOL_SOLID, 2);
 365
 366   Handle(Prs3d_LineAspect) aLinesStyle = myDrawer->LineAspect();
 367   Handle(Graphic3d_AspectLine3d) aOldStyle = aLinesStyle->Aspect();
 368   aLinesStyle->SetAspect(aLineAspect);
 369   myDrawer->SetLineAspect(aLinesStyle);
 370
 371   if (theShape->isEdge()) {
 372     // The shape is edge
 373     std::shared_ptr<GeomAPI_Curve> aCurve =
 374       std::shared_ptr<GeomAPI_Curve>(new GeomAPI_Curve(theShape));
 375     if (aCurve->isLine()) {
 376       // The shape is line
 377       GeomAdaptor_Curve
 378         aCurv(aCurve->impl<Handle(Geom_Curve)>(), aCurve->startParam(), aCurve->endParam());
 379       StdPrs_Curve::Add(thePrs, aCurv, myDrawer);
 380     } else {
 381       // The shape is circle or arc
 382       GeomAdaptor_Curve
 383         aAdaptor(aCurve->impl<Handle(Geom_Curve)>(), aCurve->startParam(), aCurve->endParam());
 384       StdPrs_DeflectionCurve::Add(thePrs,aAdaptor,myDrawer);
 385     }
 386   } else if (theShape->isVertex()) {
 387     // draw vertex
 388     std::shared_ptr<GeomAPI_Vertex> aVertex =
 389       std::shared_ptr<GeomAPI_Vertex>(new GeomAPI_Vertex(theShape));
 390     std::shared_ptr<GeomAPI_Pnt> aPnt = aVertex->point();
 391     Handle(Geom_CartesianPoint) aPoint = new Geom_CartesianPoint(aPnt->impl<gp_Pnt>());
 392     StdPrs_Point::Add(thePrs, aPoint, myDrawer);
 393   }
 394
 395   aLinesStyle->SetAspect(aOldStyle);
 396   myDrawer->SetLineAspect(aLinesStyle);
 397 }
 398
 399 //*********************************************************************************
 400 void SketcherPrs_SymbolPrs::drawListOfShapes(
 401                       const std::shared_ptr<ModelAPI_AttributeRefList>& theListAttr,
 402                       const Handle(Prs3d_Presentation)& thePrs, Quantity_Color theColor) const
 403 {
 404   int aNb = theListAttr->size();
 405   if (aNb == 0)
 406     return;
 407   int i;
 408   ObjectPtr aObj;
 409   for (i = 0; i < aNb; i++) {
 410     aObj = theListAttr->object(i);
 411     std::shared_ptr<GeomAPI_Shape> aShape = SketcherPrs_Tools::getShape(aObj);
 412     if (aShape.get() != NULL)
 413       drawShape(aShape, thePrs, theColor);
 414   }
 415 }
 416
 417 //*********************************************************************************
 418 void SketcherPrs_SymbolPrs::BoundingBox(Bnd_Box& theBndBox)
 419 {
 420   Select3D_BndBox3d aTmpBox;
 421   for (Select3D_EntitySequenceIter aPntIter (mySPoints); aPntIter.More(); aPntIter.Next()) {
 422     const Handle(Select3D_SensitiveEntity)& anEnt = aPntIter.Value();
 423     aTmpBox.Combine (anEnt->BoundingBox());
 424   }
 425
 426   theBndBox.Update (aTmpBox.CornerMin().x(), aTmpBox.CornerMin().y(), aTmpBox.CornerMin().z(),
 427                     aTmpBox.CornerMax().x(), aTmpBox.CornerMax().y(), aTmpBox.CornerMax().z());
 428 }