src/SketcherPrs/SketcherPrs_Rigid.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:        SketcherPrs_Rigid.cpp
   4 // Created:     16 February 2015
   5 // Author:      Vitaly SMETANNIKOV
   6
   7 #include "SketcherPrs_Rigid.h"
   8 #include "SketcherPrs_Tools.h"
   9 #include "SketcherPrs_PositionMgr.h"
  10
  11 #include <GeomAPI_Pnt.h>
  12 #include <GeomAPI_Edge.h>
  13 #include <GeomAPI_Curve.h>
  14 #include <GeomAPI_Vertex.h>
  15
  16 #include <ModelAPI_AttributeRefAttr.h>
  17
  18 #include <SketchPlugin_Constraint.h>
  19
  20 #include <gp_Pnt2d.hxx>
  21
  22 #include <Graphic3d_AspectLine3d.hxx>
  23 #include <Prs3d_Root.hxx>
  24
  25 #include <GeomAdaptor_Curve.hxx>
  26 #include <BRep_Tool.hxx>
  27 #include <StdPrs_DeflectionCurve.hxx>
  28 #include <StdPrs_Point.hxx>
  29 #include <Geom_CartesianPoint.hxx>
  30
  31
  32
  33 IMPLEMENT_STANDARD_RTTIEXT(SketcherPrs_Rigid, SketcherPrs_SymbolPrs);
  34
  35 static Handle(Image_AlienPixMap) MyPixMap;
  36
  37
  38
  39 SketcherPrs_Rigid::SketcherPrs_Rigid(ModelAPI_Feature* theConstraint,
  40                                            const std::shared_ptr<GeomAPI_Ax3>& thePlane)
  41  : SketcherPrs_SymbolPrs(theConstraint, thePlane)
  42 {
  43 }
  44
  45 bool SketcherPrs_Rigid::IsReadyToDisplay(ModelAPI_Feature* theConstraint,
  46                                          const std::shared_ptr<GeomAPI_Ax3>& thePlane)
  47 {
  48   bool aReadyToDisplay = false;
  49
  50   std::shared_ptr<ModelAPI_Data> aData = theConstraint->data();
  51   std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr =
  52     aData->refattr(SketchPlugin_Constraint::ENTITY_A());
  53   AttributePtr aRefAttr = anAttr->attr();
  54   if (anAttr->isObject()) {
  55     // The constraint attached to an object
  56     ObjectPtr aObj = anAttr->object();
  57     aReadyToDisplay =  SketcherPrs_Tools::getShape(aObj).get() != NULL;
  58
  59   } else {
  60     // The constraint attached to a point
  61     std::shared_ptr<GeomAPI_Pnt2d> aPnt = SketcherPrs_Tools::getPoint(theConstraint,
  62                                                    SketchPlugin_Constraint::ENTITY_A());
  63     aReadyToDisplay = aPnt.get() != NULL;
  64   }
  65   return aReadyToDisplay;
  66 }
  67
  68 bool SketcherPrs_Rigid::updateIfReadyToDisplay(double theStep) const
  69 {
  70   if (!IsReadyToDisplay(myConstraint, myPlane))
  71     return false;
  72
  73   std::shared_ptr<ModelAPI_Data> aData = myConstraint->data();
  74   std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr =
  75     aData->refattr(SketchPlugin_Constraint::ENTITY_A());
  76   AttributePtr aRefAttr = anAttr->attr();
  77   if (anAttr->isObject()) {
  78     // The constraint attached to an object
  79     ObjectPtr aObj = anAttr->object();
  80
  81     SketcherPrs_PositionMgr* aMgr = SketcherPrs_PositionMgr::get();
  82     gp_Pnt aP1 = aMgr->getPosition(aObj, this, theStep);
  83     myPntArray->SetVertice(1, aP1);
  84   } else {
  85     // The constraint attached to a point
  86     std::shared_ptr<GeomAPI_Pnt2d> aPnt = SketcherPrs_Tools::getPoint(myConstraint,
  87                                                   SketchPlugin_Constraint::ENTITY_A());
  88     std::shared_ptr<GeomAPI_Pnt> aPoint = myPlane->to3D(aPnt->x(), aPnt->y() + theStep);
  89     myPntArray->SetVertice(1, aPoint->impl<gp_Pnt>());
  90   }
  91   return true;
  92 }
  93
  94
  95 void SketcherPrs_Rigid::drawLines(const Handle(Prs3d_Presentation)& thePrs,
  96                                   Quantity_Color theColor) const
  97 {
  98   ObjectPtr aObj = SketcherPrs_Tools::getResult(myConstraint, SketchPlugin_Constraint::ENTITY_A());
  99   FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
 100   std::shared_ptr<GeomAPI_Shape> aShape;
 101   if (aFeature.get()) {
 102     // If constraint attached to a feature
 103     const std::list<ResultPtr>& aResults = aFeature->results();
 104     std::list<ResultPtr>::const_iterator aIt;
 105     // Find a shape
 106     for (aIt = aResults.cbegin(); aIt != aResults.cend(); aIt++) {
 107       aShape = (*aIt)->shape();
 108       if (aShape->isEdge())
 109         break;
 110     }
 111   } else {
 112     // Else it is a result
 113     aShape = SketcherPrs_Tools::getShape(aObj);
 114   }
 115   if (aShape.get() == NULL)
 116     return;
 117
 118   Handle(Graphic3d_Group) aGroup = Prs3d_Root::NewGroup(thePrs);
 119   Handle(Graphic3d_AspectLine3d) aLineAspect =
 120     new Graphic3d_AspectLine3d(theColor, Aspect_TOL_SOLID, 2);
 121   aGroup->SetPrimitivesAspect(aLineAspect);
 122
 123   Handle(Prs3d_PointAspect) aPntAspect = new Prs3d_PointAspect(Aspect_TOM_PLUS, theColor, 1);
 124   myDrawer->SetPointAspect(aPntAspect);
 125   drawShape(aShape, thePrs);
 126 }
 127