src/SketcherPrs/SketcherPrs_Collinear.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:        SketcherPrs_Collinear.cpp
   4 // Created:     29 February 2016
   5 // Author:      Natalia ERMOLAEVA
   6
   7 #include "SketcherPrs_Collinear.h"
   8 #include "SketcherPrs_Tools.h"
   9 #include "SketcherPrs_PositionMgr.h"
  10
  11 #include <SketchPlugin_Constraint.h>
  12
  13 #include <Graphic3d_AspectLine3d.hxx>
  14 #include <Prs3d_Root.hxx>
  15
  16
  17 IMPLEMENT_STANDARD_HANDLE(SketcherPrs_Collinear, SketcherPrs_SymbolPrs);
  18 IMPLEMENT_STANDARD_RTTIEXT(SketcherPrs_Collinear, SketcherPrs_SymbolPrs);
  19
  20 static Handle(Image_AlienPixMap) MyPixMap;
  21
  22 SketcherPrs_Collinear::SketcherPrs_Collinear(ModelAPI_Feature* theConstraint,
  23                                      const std::shared_ptr<GeomAPI_Ax3>& thePlane)
  24  : SketcherPrs_SymbolPrs(theConstraint, thePlane)
  25 {
  26   myPntArray = new Graphic3d_ArrayOfPoints(2);
  27   myPntArray->AddVertex(0., 0., 0.);
  28   myPntArray->AddVertex(0., 0., 0.);
  29 }
  30
  31 bool SketcherPrs_Collinear::IsReadyToDisplay(ModelAPI_Feature* theConstraint,
  32                                          const std::shared_ptr<GeomAPI_Ax3>&/* thePlane*/)
  33 {
  34   bool aReadyToDisplay = false;
  35
  36   ObjectPtr aObj1 =
  37     SketcherPrs_Tools::getResult(theConstraint, SketchPlugin_Constraint::ENTITY_A());
  38   ObjectPtr aObj2 =
  39     SketcherPrs_Tools::getResult(theConstraint, SketchPlugin_Constraint::ENTITY_B());
  40
  41   aReadyToDisplay = SketcherPrs_Tools::getShape(aObj1).get() != NULL &&
  42                     SketcherPrs_Tools::getShape(aObj2).get() != NULL;
  43
  44   return aReadyToDisplay;
  45 }
  46
  47 bool SketcherPrs_Collinear::updateIfReadyToDisplay(double theStep) const
  48 {
  49   if (!IsReadyToDisplay(myConstraint, myPlane))
  50     return false;
  51
  52   ObjectPtr aObj1 =
  53     SketcherPrs_Tools::getResult(myConstraint, SketchPlugin_Constraint::ENTITY_A());
  54   ObjectPtr aObj2 =
  55     SketcherPrs_Tools::getResult(myConstraint, SketchPlugin_Constraint::ENTITY_B());
  56
  57   // Set points of the presentation
  58   SketcherPrs_PositionMgr* aMgr = SketcherPrs_PositionMgr::get();
  59   gp_Pnt aP1 = aMgr->getPosition(aObj1, this, theStep);
  60   gp_Pnt aP2 = aMgr->getPosition(aObj2, this, theStep);
  61   myPntArray->SetVertice(1, aP1);
  62   myPntArray->SetVertice(2, aP2);
  63   return true;
  64 }
  65
  66 void SketcherPrs_Collinear::drawLines(const Handle(Prs3d_Presentation)& thePrs,
  67                                       Quantity_Color theColor) const
  68 {
  69   Handle(Graphic3d_Group) aGroup = Prs3d_Root::NewGroup(thePrs);
  70
  71   Handle(Graphic3d_AspectLine3d) aLineAspect =
  72     new Graphic3d_AspectLine3d(theColor, Aspect_TOL_SOLID, 2);
  73   aGroup->SetPrimitivesAspect(aLineAspect);
  74
  75   // Draw constrained lines
  76   addLine(aGroup, SketchPlugin_Constraint::ENTITY_A());
  77   addLine(aGroup, SketchPlugin_Constraint::ENTITY_B());
  78 }
  79