src/SketcherPrs/SketcherPrs_SymbolPrs.cpp

   1 // Copyright (C) 2014-2020  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
  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 <ModelAPI_Tools.h>
  29
  30 #include <Events_InfoMessage.h>
  31
  32 #include <Graphic3d_ArrayOfSegments.hxx>
  33 #include <Graphic3d_BndBox4f.hxx>
  34
  35 #include <SelectMgr_Selection.hxx>
  36 #include <Select3D_SensitivePoint.hxx>
  37 #include <TopLoc_Location.hxx>
  38 #include <AIS_InteractiveContext.hxx>
  39 #include <V3d_Viewer.hxx>
  40 #include <Prs3d_Root.hxx>
  41 #include <Geom_CartesianPoint.hxx>
  42 #include <GeomAdaptor_Curve.hxx>
  43 #include <StdPrs_DeflectionCurve.hxx>
  44 #include <StdPrs_Point.hxx>
  45 #include <StdPrs_Curve.hxx>
  46 #include <Prs3d_LineAspect.hxx>
  47
  48 #include <OpenGl_Element.hxx>
  49 #include <OpenGl_GraphicDriver.hxx>
  50 #include <OpenGl_Context.hxx>
  51 #include <OpenGl_View.hxx>
  52 #include <OpenGl_Group.hxx>
  53
  54 #ifdef WIN32
  55 # define FSEP "\\"
  56 #else
  57 # define FSEP "/"
  58 #endif
  59
  60 /// Step between icons
  61 static const double MyDist = 0.015;
  62
  63
  64 //**************************************************************
  65 //! Redefinition of OpenGl_Element
  66 class SketcherPrs_SymbolArray: public OpenGl_PrimitiveArray
  67 {
  68 public:
  69   SketcherPrs_SymbolArray(const OpenGl_GraphicDriver* theDriver,
  70     const Handle(SketcherPrs_SymbolPrs)& theObj, const Handle(AIS_InteractiveContext)& theCtx)
  71     :OpenGl_PrimitiveArray(theDriver, theObj->myPntArray->Type(), theObj->myPntArray->Indices(),
  72     theObj->myPntArray->Attributes(), theObj->myPntArray->Bounds()), myObj(theObj),
  73     myContext(theCtx) {}
  74
  75   virtual void Render(const Handle(OpenGl_Workspace)& theWorkspace) const
  76   {
  77     ModelAPI_Feature* aConstraint = myObj->feature();
  78     if (aConstraint->data().get() && aConstraint->data()->isValid()) {
  79       Handle(OpenGl_View) aView = theWorkspace->View();
  80       double aScale = aView->Camera()->Scale();
  81       // Update points coordinate taking the viewer scale into account
  82       myObj->updateIfReadyToDisplay(MyDist * aScale, myObj->myIsCustomColor);
  83       if (myIsVboInit) {
  84         if (myVboAttribs) {
  85           const Handle(OpenGl_Context)& aCtx = theWorkspace->GetGlContext();
  86           Handle(Graphic3d_Buffer) aAttr = myObj->myPntArray->Attributes();
  87           myVboAttribs->init(aCtx, 0, aAttr->NbElements,
  88                              aAttr->Data(), GL_NONE, aAttr->Stride);
  89         } else
  90           myIsVboInit = false;
  91       } else {
  92         myAttribs = myObj->myPntArray->Attributes();
  93         myIndices = myObj->myPntArray->Indices();
  94         myBounds = myObj->myPntArray->Bounds();
  95       }
  96     }
  97     OpenGl_PrimitiveArray::Render(theWorkspace);
  98
  99     // Update selection position only if there is no selected object
 100     // because it can corrupt selection of other objects
 101     if (myContext->NbSelected() == 0)  {
 102       myContext->MainSelector()->RebuildSensitivesTree(myObj);
 103       myContext->MainSelector()->RebuildObjectsTree (false);
 104     }
 105   }
 106
 107 private:
 108   Handle(SketcherPrs_SymbolPrs) myObj;
 109   Handle(AIS_InteractiveContext) myContext;
 110 };
 111
 112
 113 //*****************************************************************************
 114 IMPLEMENT_STANDARD_RTTIEXT(SketcherPrs_SymbolPrs, AIS_InteractiveObject);
 115
 116
 117 std::map<const char*, Handle(Image_AlienPixMap)> SketcherPrs_SymbolPrs::myIconsMap;
 118
 119
 120 SketcherPrs_SymbolPrs::SketcherPrs_SymbolPrs(ModelAPI_Feature* theConstraint,
 121   SketchPlugin_Sketch* theSketcher)
 122  : AIS_InteractiveObject(), myConstraint(theConstraint),
 123    myIsCustomColor(false),
 124    mySketcher(theSketcher)
 125 {
 126   SetAutoHilight(Standard_False);
 127 }
 128
 129 //*********************************************************************************
 130 SketcherPrs_SymbolPrs::~SketcherPrs_SymbolPrs()
 131 {
 132   SketcherPrs_PositionMgr* aMgr = SketcherPrs_PositionMgr::get();
 133   // Empty memory in position manager
 134   aMgr->deleteConstraint(this);
 135
 136   Handle(Prs3d_Presentation) aSelPrs =
 137     GetSelectPresentation(Handle(PrsMgr_PresentationManager3d)());
 138   if (!aSelPrs.IsNull()) {
 139       if (!aSelPrs->Groups().IsEmpty()) {
 140         aSelPrs->Clear();
 141       }
 142       aSelPrs->Erase();
 143   }
 144   Handle(Prs3d_Presentation) aHilightPrs =
 145     GetHilightPresentation(Handle(PrsMgr_PresentationManager3d)());
 146   if (!aHilightPrs.IsNull()) {
 147     if (!aHilightPrs->Groups().IsEmpty()) {
 148       aHilightPrs->Clear();
 149     }
 150     aHilightPrs->Erase();
 151   }
 152 }
 153
 154 #ifdef _WINDOWS
 155 #pragma warning( disable : 4996 )
 156 #endif
 157
 158 //*********************************************************************************
 159 Handle(Image_AlienPixMap) SketcherPrs_SymbolPrs::icon()
 160 {
 161   if (myIconsMap.count(iconName()) == 1) {
 162     return myIconsMap[iconName()];
 163   }
 164   // Load icon for the presentation
 165   std::string aFile;
 166   char* anEnv = getenv("SHAPER_ROOT_DIR");
 167   if (anEnv) {
 168     aFile = std::string(anEnv) +
 169       FSEP + "share" + FSEP + "salome" + FSEP + "resources" + FSEP + "shaper";
 170   } else {
 171     anEnv = getenv("CADBUILDER_ROOT_DIR");
 172     if (anEnv)
 173       aFile = std::string(anEnv) + FSEP + "resources";
 174   }
 175
 176   aFile += FSEP;
 177   aFile += iconName();
 178   Handle(Image_AlienPixMap) aPixMap = new Image_AlienPixMap();
 179   if (aPixMap->Load(aFile.c_str())) {
 180     int aRatio = SketcherPrs_Tools::pixelRatio();
 181     if (aRatio > 1) {
 182       Handle(Image_AlienPixMap) aSizedMap = new Image_AlienPixMap();
 183       Standard_Size aWidth = aPixMap->Width() * aRatio;
 184       Standard_Size aHeigh = aPixMap->Height() * aRatio;
 185       aSizedMap->InitTrash(aPixMap->Format(), aWidth, aHeigh);
 186       for (Standard_Size i = 0; i < aWidth; i++) {
 187         for (Standard_Size j = 0; j < aHeigh; j++) {
 188           aSizedMap->SetPixelColor(int(i), int(j),
 189               aPixMap->PixelColor(int(i / aRatio), int(j / aRatio)));
 190         }
 191       }
 192       aPixMap = aSizedMap;
 193     }
 194     myIconsMap[iconName()] = aPixMap;
 195     return aPixMap;
 196   }
 197   // The icon for constraint is not found
 198   static const char aMsg[] = "Error! constraint images are not found";
 199   std::cout<<aMsg<<std::endl;
 200   Events_InfoMessage("SketcherPrs_SymbolPrs", aMsg).send();
 201   myIconsMap[iconName()] = Handle(Image_AlienPixMap)();
 202   return Handle(Image_AlienPixMap)();
 203 }
 204
 205 //*********************************************************************************
 206 void SketcherPrs_SymbolPrs::prepareAspect()
 207 {
 208   // Create an aspect with the icon
 209   if (myAspect.IsNull()) {
 210     Handle(Image_AlienPixMap) aIcon = icon();
 211     if (aIcon.IsNull())
 212       myAspect = new Graphic3d_AspectMarker3d();
 213     else
 214       myAspect = new Graphic3d_AspectMarker3d(aIcon);
 215
 216     myAspect->SetColor(myCustomColor);
 217   }
 218 }
 219
 220 //*********************************************************************************
 221 void SketcherPrs_SymbolPrs::addLine(const Handle(Graphic3d_Group)& theGroup,
 222                                     std::string theAttrName) const
 223 {
 224   ObjectPtr aObj = SketcherPrs_Tools::getResult(myConstraint, theAttrName);
 225   std::shared_ptr<GeomAPI_Shape> aLine = SketcherPrs_Tools::getShape(aObj);
 226   if (aLine.get() == NULL)
 227     return;
 228   std::shared_ptr<GeomAPI_Edge> aEdge = std::shared_ptr<GeomAPI_Edge>(new GeomAPI_Edge(aLine));
 229
 230   std::shared_ptr<GeomAPI_Pnt> aPnt1 = aEdge->firstPoint();
 231   std::shared_ptr<GeomAPI_Pnt> aPnt2 = aEdge->lastPoint();
 232   gp_Pnt aP1 = aPnt1->impl<gp_Pnt>();
 233   gp_Pnt aP2 = aPnt2->impl<gp_Pnt>();
 234
 235   // Draw line by two points
 236   Handle(Graphic3d_ArrayOfSegments) aLines = new Graphic3d_ArrayOfSegments(2, 1);
 237   aLines->AddVertex(aPnt1->impl<gp_Pnt>());
 238   aLines->AddVertex(aPnt2->impl<gp_Pnt>());
 239   theGroup->AddPrimitiveArray(aLines);
 240 }
 241
 242 //*********************************************************************************
 243 void SketcherPrs_SymbolPrs::HilightSelected(const Handle(PrsMgr_PresentationManager3d)& thePM,
 244                                             const SelectMgr_SequenceOfOwner& theOwners)
 245 {
 246   Handle( Prs3d_Presentation ) aSelectionPrs = GetSelectPresentation( thePM );
 247   aSelectionPrs->Clear();
 248   drawLines(aSelectionPrs, GetContext()->SelectionStyle()->Color());
 249
 250   aSelectionPrs->SetDisplayPriority(9);
 251   aSelectionPrs->Display();
 252   thePM->Color(this, GetContext()->SelectionStyle());
 253 }
 254
 255 //*********************************************************************************
 256 void SketcherPrs_SymbolPrs::HilightOwnerWithColor(
 257                                   const Handle(PrsMgr_PresentationManager3d)& thePM,
 258                                   const Handle(Prs3d_Drawer)& theStyle,
 259                                   const Handle(SelectMgr_EntityOwner)& theOwner)
 260 {
 261   thePM->Color(this, theStyle);
 262
 263   Handle( Prs3d_Presentation ) aHilightPrs = GetHilightPresentation( thePM );
 264   aHilightPrs->Clear();
 265   drawLines(aHilightPrs, theStyle->Color());
 266   aHilightPrs->SetZLayer(Graphic3d_ZLayerId_Topmost);
 267
 268   if (thePM->IsImmediateModeOn())
 269     thePM->AddToImmediateList(aHilightPrs);
 270 }
 271
 272 //*********************************************************************************
 273 void SketcherPrs_SymbolPrs::Compute(
 274                 const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
 275                 const Handle(Prs3d_Presentation)& thePresentation,
 276                 const Standard_Integer theMode)
 277 {
 278   if (!plane().get())
 279     return;
 280   // Create an icon
 281   prepareAspect();
 282
 283   Handle(AIS_InteractiveContext) aCtx = GetContext();
 284   Handle(OpenGl_GraphicDriver) aDriver =
 285     Handle(OpenGl_GraphicDriver)::DownCast(aCtx->CurrentViewer()->Driver());
 286   if (aDriver.IsNull())
 287     return;
 288
 289   // Update points with default shift value
 290   // it updates array of points if the presentation is ready to display, or the array of points
 291   // contains the previous values
 292
 293   bool aReadyToDisplay = updateIfReadyToDisplay(20, myIsCustomColor);
 294
 295   int aNbVertex = myPntArray->VertexNumber();
 296   if (myOwner.IsNull()) {
 297     myOwner = new SelectMgr_EntityOwner(this);
 298   }
 299
 300   // Create sensitive point for each symbol
 301   mySPoints.Clear();
 302   for (int i = 1; i <= aNbVertex; i++) {
 303     Handle(SketcherPrs_SensitivePoint) aSP = new SketcherPrs_SensitivePoint(myOwner, i);
 304     mySPoints.Append(aSP);
 305     if (myIsCustomColor)
 306       myPntArray->SetVertexColor(i, myCustomColor);
 307   }
 308
 309   Handle(OpenGl_Group) aGroup =
 310     Handle(OpenGl_Group)::DownCast(Prs3d_Root::CurrentGroup (thePresentation));
 311   aGroup->SetPrimitivesAspect(myAspect);
 312
 313   // Recompute boundary box of the group
 314   Graphic3d_BndBox4f& aBnd = aGroup->ChangeBoundingBox();
 315   gp_Pnt aVert;
 316   aBnd.Clear();
 317   for (int i = 1; i <= myPntArray->ItemNumber(); i++) {
 318     aVert = myPntArray->Vertice(i);
 319     aBnd.Add(Graphic3d_Vec4((float)aVert.X(), (float)aVert.Y(), (float)aVert.Z(), 1.0f));
 320   }
 321
 322   // Pint the group with custom procedure (see Render)
 323   SketcherPrs_SymbolArray* aElem =
 324     new SketcherPrs_SymbolArray((OpenGl_GraphicDriver*)aDriver->This(), this, GetContext());
 325   aGroup->AddElement(aElem);
 326
 327   // Disable frustum culling for this object by marking it as mutable
 328   aGroup->Structure()->SetMutable(true);
 329
 330   if (!aReadyToDisplay)
 331     SketcherPrs_Tools::sendEmptyPresentationError(myConstraint,
 332                           "An empty AIS presentation: SketcherPrs_LengthDimension");
 333 }
 334
 335
 336 //*********************************************************************************
 337 void SketcherPrs_SymbolPrs::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
 338                                              const Standard_Integer aMode)
 339 {
 340   ClearSelected();
 341   if ((aMode == 0) || (aMode == SketcherPrs_Tools::Sel_Constraint)) {
 342     for (int i = 1; i <= mySPoints.Length(); i++)
 343       aSelection->Add(mySPoints.Value(i));
 344   }
 345 }
 346
 347 //*********************************************************************************
 348 void SketcherPrs_SymbolPrs::SetCustomColor(const std::vector<int>& theColor)
 349 {
 350   myIsCustomColor = !theColor.empty();
 351   if (myIsCustomColor)
 352     myCustomColor = Quantity_Color(theColor[0] / 255., theColor[1] / 255.,
 353                                    theColor[2] / 255., Quantity_TOC_RGB);
 354   else
 355     myCustomColor = Quantity_Color (1.0, 1.0, 0.0, Quantity_TOC_RGB);
 356
 357   if (!myAspect.IsNull())
 358     myAspect->SetColor (myCustomColor);
 359
 360   Handle(Prs3d_Presentation) aPrs = Presentation();
 361   if (!aPrs.IsNull()) {
 362     if (myIsCustomColor) {
 363       Handle(Graphic3d_PresentationAttributes) aAttr = new Graphic3d_PresentationAttributes();
 364       aAttr->SetColor(myCustomColor);
 365       aPrs->Highlight(aAttr);
 366     }
 367     else {
 368       aPrs->UnHighlight();
 369     }
 370   }
 371 }
 372
 373 //*********************************************************************************
 374 void SketcherPrs_SymbolPrs::drawShape(const std::shared_ptr<GeomAPI_Shape>& theShape,
 375                                       const Handle(Prs3d_Presentation)& thePrs,
 376                                       Quantity_Color theColor) const
 377 {
 378   Handle(Graphic3d_AspectLine3d) aLineAspect =
 379     new Graphic3d_AspectLine3d(theColor, Aspect_TOL_SOLID, 2);
 380
 381   Handle(Prs3d_LineAspect) aLinesStyle = myDrawer->LineAspect();
 382   Handle(Graphic3d_AspectLine3d) aOldStyle = aLinesStyle->Aspect();
 383   aLinesStyle->SetAspect(aLineAspect);
 384   myDrawer->SetLineAspect(aLinesStyle);
 385
 386   if (theShape->isEdge()) {
 387     // The shape is edge
 388     std::shared_ptr<GeomAPI_Curve> aCurve =
 389       std::shared_ptr<GeomAPI_Curve>(new GeomAPI_Curve(theShape));
 390     if (aCurve->isLine()) {
 391       // The shape is line
 392       GeomAdaptor_Curve
 393         aCurv(aCurve->impl<Handle(Geom_Curve)>(), aCurve->startParam(), aCurve->endParam());
 394       StdPrs_Curve::Add(thePrs, aCurv, myDrawer);
 395     } else {
 396       // The shape is circle or arc
 397       GeomAdaptor_Curve
 398         aAdaptor(aCurve->impl<Handle(Geom_Curve)>(), aCurve->startParam(), aCurve->endParam());
 399       StdPrs_DeflectionCurve::Add(thePrs,aAdaptor,myDrawer);
 400     }
 401   } else if (theShape->isVertex()) {
 402     // draw vertex
 403     std::shared_ptr<GeomAPI_Vertex> aVertex =
 404       std::shared_ptr<GeomAPI_Vertex>(new GeomAPI_Vertex(theShape));
 405     std::shared_ptr<GeomAPI_Pnt> aPnt = aVertex->point();
 406     Handle(Geom_CartesianPoint) aPoint = new Geom_CartesianPoint(aPnt->impl<gp_Pnt>());
 407     StdPrs_Point::Add(thePrs, aPoint, myDrawer);
 408   }
 409
 410   aLinesStyle->SetAspect(aOldStyle);
 411   myDrawer->SetLineAspect(aLinesStyle);
 412 }
 413
 414 //*********************************************************************************
 415 void SketcherPrs_SymbolPrs::drawListOfShapes(
 416                       const std::shared_ptr<ModelAPI_AttributeRefList>& theListAttr,
 417                       const Handle(Prs3d_Presentation)& thePrs, Quantity_Color theColor) const
 418 {
 419   int aNb = theListAttr->size();
 420   if (aNb == 0)
 421     return;
 422   int i;
 423   ObjectPtr aObj;
 424   for (i = 0; i < aNb; i++) {
 425     aObj = theListAttr->object(i);
 426     std::shared_ptr<GeomAPI_Shape> aShape = SketcherPrs_Tools::getShape(aObj);
 427     if (aShape.get() != NULL)
 428       drawShape(aShape, thePrs, theColor);
 429   }
 430 }
 431
 432 //*********************************************************************************
 433 void SketcherPrs_SymbolPrs::BoundingBox(Bnd_Box& theBndBox)
 434 {
 435   Select3D_BndBox3d aTmpBox;
 436   for (Select3D_EntitySequenceIter aPntIter (mySPoints); aPntIter.More(); aPntIter.Next()) {
 437     const Handle(Select3D_SensitiveEntity)& anEnt = aPntIter.Value();
 438     aTmpBox.Combine (anEnt->BoundingBox());
 439   }
 440
 441   theBndBox.Update (aTmpBox.CornerMin().x(), aTmpBox.CornerMin().y(), aTmpBox.CornerMin().z(),
 442                     aTmpBox.CornerMax().x(), aTmpBox.CornerMax().y(), aTmpBox.CornerMax().z());
 443 }