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), aPixMap->PixelColor(i / aRatio, j / aRatio));
 189         }
 190       }
 191       aPixMap = aSizedMap;
 192     }
 193     myIconsMap[iconName()] = aPixMap;
 194     return aPixMap;
 195   }
 196   // The icon for constraint is not found
 197   static const char aMsg[] = "Error! constraint images are not found";
 198   std::cout<<aMsg<<std::endl;
 199   Events_InfoMessage("SketcherPrs_SymbolPrs", aMsg).send();
 200   myIconsMap[iconName()] = Handle(Image_AlienPixMap)();
 201   return Handle(Image_AlienPixMap)();
 202 }
 203
 204 //*********************************************************************************
 205 void SketcherPrs_SymbolPrs::prepareAspect()
 206 {
 207   // Create an aspect with the icon
 208   if (myAspect.IsNull()) {
 209     Handle(Image_AlienPixMap) aIcon = icon();
 210     if (aIcon.IsNull())
 211       myAspect = new Graphic3d_AspectMarker3d();
 212     else
 213       myAspect = new Graphic3d_AspectMarker3d(aIcon);
 214
 215     myAspect->SetColor(myCustomColor);
 216   }
 217 }
 218
 219 //*********************************************************************************
 220 void SketcherPrs_SymbolPrs::addLine(const Handle(Graphic3d_Group)& theGroup,
 221                                     std::string theAttrName) const
 222 {
 223   ObjectPtr aObj = SketcherPrs_Tools::getResult(myConstraint, theAttrName);
 224   std::shared_ptr<GeomAPI_Shape> aLine = SketcherPrs_Tools::getShape(aObj);
 225   if (aLine.get() == NULL)
 226     return;
 227   std::shared_ptr<GeomAPI_Edge> aEdge = std::shared_ptr<GeomAPI_Edge>(new GeomAPI_Edge(aLine));
 228
 229   std::shared_ptr<GeomAPI_Pnt> aPnt1 = aEdge->firstPoint();
 230   std::shared_ptr<GeomAPI_Pnt> aPnt2 = aEdge->lastPoint();
 231   gp_Pnt aP1 = aPnt1->impl<gp_Pnt>();
 232   gp_Pnt aP2 = aPnt2->impl<gp_Pnt>();
 233
 234   // Draw line by two points
 235   Handle(Graphic3d_ArrayOfSegments) aLines = new Graphic3d_ArrayOfSegments(2, 1);
 236   aLines->AddVertex(aPnt1->impl<gp_Pnt>());
 237   aLines->AddVertex(aPnt2->impl<gp_Pnt>());
 238   theGroup->AddPrimitiveArray(aLines);
 239 }
 240
 241 //*********************************************************************************
 242 void SketcherPrs_SymbolPrs::HilightSelected(const Handle(PrsMgr_PresentationManager3d)& thePM,
 243                                             const SelectMgr_SequenceOfOwner& theOwners)
 244 {
 245   Handle( Prs3d_Presentation ) aSelectionPrs = GetSelectPresentation( thePM );
 246   aSelectionPrs->Clear();
 247   drawLines(aSelectionPrs, GetContext()->SelectionStyle()->Color());
 248
 249   aSelectionPrs->SetDisplayPriority(9);
 250   aSelectionPrs->Display();
 251   thePM->Color(this, GetContext()->SelectionStyle());
 252 }
 253
 254 //*********************************************************************************
 255 void SketcherPrs_SymbolPrs::HilightOwnerWithColor(
 256                                   const Handle(PrsMgr_PresentationManager3d)& thePM,
 257                                   const Handle(Prs3d_Drawer)& theStyle,
 258                                   const Handle(SelectMgr_EntityOwner)& theOwner)
 259 {
 260   thePM->Color(this, theStyle);
 261
 262   Handle( Prs3d_Presentation ) aHilightPrs = GetHilightPresentation( thePM );
 263   aHilightPrs->Clear();
 264   drawLines(aHilightPrs, theStyle->Color());
 265   aHilightPrs->SetZLayer(Graphic3d_ZLayerId_Topmost);
 266
 267   if (thePM->IsImmediateModeOn())
 268     thePM->AddToImmediateList(aHilightPrs);
 269 }
 270
 271 //*********************************************************************************
 272 void SketcherPrs_SymbolPrs::Compute(
 273                 const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
 274                 const Handle(Prs3d_Presentation)& thePresentation,
 275                 const Standard_Integer theMode)
 276 {
 277   if (!plane().get())
 278     return;
 279   // Create an icon
 280   prepareAspect();
 281
 282   Handle(AIS_InteractiveContext) aCtx = GetContext();
 283   Handle(OpenGl_GraphicDriver) aDriver =
 284     Handle(OpenGl_GraphicDriver)::DownCast(aCtx->CurrentViewer()->Driver());
 285   if (aDriver.IsNull())
 286     return;
 287
 288   // Update points with default shift value
 289   // it updates array of points if the presentation is ready to display, or the array of points
 290   // contains the previous values
 291
 292   bool aReadyToDisplay = updateIfReadyToDisplay(20, myIsCustomColor);
 293
 294   int aNbVertex = myPntArray->VertexNumber();
 295   if (myOwner.IsNull()) {
 296     myOwner = new SelectMgr_EntityOwner(this);
 297   }
 298
 299   // Create sensitive point for each symbol
 300   mySPoints.Clear();
 301   for (int i = 1; i <= aNbVertex; i++) {
 302     Handle(SketcherPrs_SensitivePoint) aSP = new SketcherPrs_SensitivePoint(myOwner, i);
 303     mySPoints.Append(aSP);
 304     if (myIsCustomColor)
 305       myPntArray->SetVertexColor(i, myCustomColor);
 306   }
 307
 308   Handle(OpenGl_Group) aGroup =
 309     Handle(OpenGl_Group)::DownCast(Prs3d_Root::CurrentGroup (thePresentation));
 310   aGroup->SetPrimitivesAspect(myAspect);
 311
 312   // Recompute boundary box of the group
 313   Graphic3d_BndBox4f& aBnd = aGroup->ChangeBoundingBox();
 314   gp_Pnt aVert;
 315   aBnd.Clear();
 316   for (int i = 1; i <= myPntArray->ItemNumber(); i++) {
 317     aVert = myPntArray->Vertice(i);
 318     aBnd.Add(Graphic3d_Vec4((float)aVert.X(), (float)aVert.Y(), (float)aVert.Z(), 1.0f));
 319   }
 320
 321   // Pint the group with custom procedure (see Render)
 322   SketcherPrs_SymbolArray* aElem =
 323     new SketcherPrs_SymbolArray((OpenGl_GraphicDriver*)aDriver->This(), this, GetContext());
 324   aGroup->AddElement(aElem);
 325
 326   // Disable frustum culling for this object by marking it as mutable
 327   aGroup->Structure()->SetMutable(true);
 328
 329   if (!aReadyToDisplay)
 330     SketcherPrs_Tools::sendEmptyPresentationError(myConstraint,
 331                           "An empty AIS presentation: SketcherPrs_LengthDimension");
 332 }
 333
 334
 335 //*********************************************************************************
 336 void SketcherPrs_SymbolPrs::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
 337                                              const Standard_Integer aMode)
 338 {
 339   ClearSelected();
 340   if ((aMode == 0) || (aMode == SketcherPrs_Tools::Sel_Constraint)) {
 341     for (int i = 1; i <= mySPoints.Length(); i++)
 342       aSelection->Add(mySPoints.Value(i));
 343   }
 344 }
 345
 346 //*********************************************************************************
 347 void SketcherPrs_SymbolPrs::SetCustomColor(const std::vector<int>& theColor)
 348 {
 349   myIsCustomColor = !theColor.empty();
 350   if (myIsCustomColor)
 351     myCustomColor = Quantity_Color(theColor[0] / 255., theColor[1] / 255.,
 352                                    theColor[2] / 255., Quantity_TOC_RGB);
 353   else
 354     myCustomColor = Quantity_Color (1.0, 1.0, 0.0, Quantity_TOC_RGB);
 355
 356   if (!myAspect.IsNull())
 357     myAspect->SetColor (myCustomColor);
 358
 359   Handle(Prs3d_Presentation) aPrs = Presentation();
 360   if (!aPrs.IsNull()) {
 361     if (myIsCustomColor) {
 362       Handle(Graphic3d_PresentationAttributes) aAttr = new Graphic3d_PresentationAttributes();
 363       aAttr->SetColor(myCustomColor);
 364       aPrs->Highlight(aAttr);
 365     }
 366     else {
 367       aPrs->UnHighlight();
 368     }
 369   }
 370 }
 371
 372 //*********************************************************************************
 373 void SketcherPrs_SymbolPrs::drawShape(const std::shared_ptr<GeomAPI_Shape>& theShape,
 374                                       const Handle(Prs3d_Presentation)& thePrs,
 375                                       Quantity_Color theColor) const
 376 {
 377   Handle(Graphic3d_AspectLine3d) aLineAspect =
 378     new Graphic3d_AspectLine3d(theColor, Aspect_TOL_SOLID, 2);
 379
 380   Handle(Prs3d_LineAspect) aLinesStyle = myDrawer->LineAspect();
 381   Handle(Graphic3d_AspectLine3d) aOldStyle = aLinesStyle->Aspect();
 382   aLinesStyle->SetAspect(aLineAspect);
 383   myDrawer->SetLineAspect(aLinesStyle);
 384
 385   if (theShape->isEdge()) {
 386     // The shape is edge
 387     std::shared_ptr<GeomAPI_Curve> aCurve =
 388       std::shared_ptr<GeomAPI_Curve>(new GeomAPI_Curve(theShape));
 389     if (aCurve->isLine()) {
 390       // The shape is line
 391       GeomAdaptor_Curve
 392         aCurv(aCurve->impl<Handle(Geom_Curve)>(), aCurve->startParam(), aCurve->endParam());
 393       StdPrs_Curve::Add(thePrs, aCurv, myDrawer);
 394     } else {
 395       // The shape is circle or arc
 396       GeomAdaptor_Curve
 397         aAdaptor(aCurve->impl<Handle(Geom_Curve)>(), aCurve->startParam(), aCurve->endParam());
 398       StdPrs_DeflectionCurve::Add(thePrs,aAdaptor,myDrawer);
 399     }
 400   } else if (theShape->isVertex()) {
 401     // draw vertex
 402     std::shared_ptr<GeomAPI_Vertex> aVertex =
 403       std::shared_ptr<GeomAPI_Vertex>(new GeomAPI_Vertex(theShape));
 404     std::shared_ptr<GeomAPI_Pnt> aPnt = aVertex->point();
 405     Handle(Geom_CartesianPoint) aPoint = new Geom_CartesianPoint(aPnt->impl<gp_Pnt>());
 406     StdPrs_Point::Add(thePrs, aPoint, myDrawer);
 407   }
 408
 409   aLinesStyle->SetAspect(aOldStyle);
 410   myDrawer->SetLineAspect(aLinesStyle);
 411 }
 412
 413 //*********************************************************************************
 414 void SketcherPrs_SymbolPrs::drawListOfShapes(
 415                       const std::shared_ptr<ModelAPI_AttributeRefList>& theListAttr,
 416                       const Handle(Prs3d_Presentation)& thePrs, Quantity_Color theColor) const
 417 {
 418   int aNb = theListAttr->size();
 419   if (aNb == 0)
 420     return;
 421   int i;
 422   ObjectPtr aObj;
 423   for (i = 0; i < aNb; i++) {
 424     aObj = theListAttr->object(i);
 425     std::shared_ptr<GeomAPI_Shape> aShape = SketcherPrs_Tools::getShape(aObj);
 426     if (aShape.get() != NULL)
 427       drawShape(aShape, thePrs, theColor);
 428   }
 429 }
 430
 431 //*********************************************************************************
 432 void SketcherPrs_SymbolPrs::BoundingBox(Bnd_Box& theBndBox)
 433 {
 434   Select3D_BndBox3d aTmpBox;
 435   for (Select3D_EntitySequenceIter aPntIter (mySPoints); aPntIter.More(); aPntIter.Next()) {
 436     const Handle(Select3D_SensitiveEntity)& anEnt = aPntIter.Value();
 437     aTmpBox.Combine (anEnt->BoundingBox());
 438   }
 439
 440   theBndBox.Update (aTmpBox.CornerMin().x(), aTmpBox.CornerMin().y(), aTmpBox.CornerMin().z(),
 441                     aTmpBox.CornerMax().x(), aTmpBox.CornerMax().y(), aTmpBox.CornerMax().z());
 442 }