src/SketcherPrs/SketcherPrs_Angle.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:        SketcherPrs_Angle.cpp
   4 // Created:     20 August 2015
   5 // Author:      Vitaly SMETANNIKOV
   6
   7 #include "SketcherPrs_Angle.h"
   8 #include "SketcherPrs_Tools.h"
   9
  10 #include <SketchPlugin_ConstraintAngle.h>
  11 #include <SketchPlugin_Constraint.h>
  12
  13 #include <GeomAPI_Edge.h>
  14 #include <GeomAPI_Lin.h>
  15 #include <GeomDataAPI_Point2D.h>
  16
  17 #include <ModelAPI_AttributeRefAttr.h>
  18 #include <ModelAPI_AttributeDouble.h>
  19
  20 #include <TopExp.hxx>
  21 #include <BRep_Tool.hxx>
  22
  23 #define PI 3.1415926535897932
  24
  25 IMPLEMENT_STANDARD_HANDLE(SketcherPrs_Angle, AIS_AngleDimension);
  26 IMPLEMENT_STANDARD_RTTIEXT(SketcherPrs_Angle, AIS_AngleDimension);
  27
  28
  29
  30
  31
  32 SketcherPrs_Angle::SketcherPrs_Angle(ModelAPI_Feature* theConstraint,
  33                                      const std::shared_ptr<GeomAPI_Ax3>& thePlane)
  34 : AIS_AngleDimension(gp_Pnt(0,0,0), gp_Pnt(1,0,0), gp_Pnt(0,1,0)), myConstraint(theConstraint), myPlane(thePlane)
  35 {
  36   myAspect = new Prs3d_DimensionAspect();
  37   myAspect->MakeArrows3d(false);
  38   myAspect->MakeText3d(false);
  39   myAspect->MakeTextShaded(false);
  40   myAspect->MakeUnitsDisplayed(false);
  41   myAspect->TextAspect()->SetHeight(SketcherPrs_Tools::getDefaultTextHeight());
  42   myAspect->ArrowAspect()->SetLength(SketcherPrs_Tools::getArrowSize());
  43
  44   SetDimensionAspect(myAspect);
  45   SetSelToleranceForText2d(SketcherPrs_Tools::getDefaultTextHeight());
  46 }
  47
  48 void SketcherPrs_Angle::Compute(const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
  49                                 const Handle(Prs3d_Presentation)& thePresentation,
  50                                 const Standard_Integer theMode)
  51 {
  52   DataPtr aData = myConstraint->data();
  53
  54   // Flyout point
  55   std::shared_ptr<GeomDataAPI_Point2D> aFlyoutAttr =
  56     std::dynamic_pointer_cast<GeomDataAPI_Point2D>
  57     (aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
  58   if (!aFlyoutAttr->isInitialized())
  59     return; // can not create a good presentation
  60
  61   std::shared_ptr<GeomAPI_Pnt> aFlyoutPnt = myPlane->to3D(aFlyoutAttr->x(), aFlyoutAttr->y());
  62
  63   AttributeRefAttrPtr anAttr1 = aData->refattr(SketchPlugin_Constraint::ENTITY_A());
  64   if (!anAttr1->isInitialized())
  65     return;
  66
  67   AttributeRefAttrPtr anAttr2 = aData->refattr(SketchPlugin_Constraint::ENTITY_B());
  68   if (!anAttr2->isInitialized())
  69     return;
  70
  71   // Get angle edges
  72   ObjectPtr aObj1 = anAttr1->object();
  73   ObjectPtr aObj2 = anAttr2->object();
  74
  75   std::shared_ptr<GeomAPI_Shape> aShape1 = SketcherPrs_Tools::getShape(aObj1);
  76   std::shared_ptr<GeomAPI_Shape> aShape2 = SketcherPrs_Tools::getShape(aObj2);
  77
  78   if (!aShape1 && !aShape2)
  79     return;
  80
  81   TopoDS_Shape aTEdge1 = aShape1->impl<TopoDS_Shape>();
  82   TopoDS_Shape aTEdge2 = aShape2->impl<TopoDS_Shape>();
  83
  84   TopoDS_Edge aEdge1 = TopoDS::Edge(aTEdge1);
  85   TopoDS_Edge aEdge2 = TopoDS::Edge(aTEdge2);
  86   SetMeasuredGeometry(aEdge1, aEdge2);
  87
  88   // Compute intersection point
  89   TopoDS_Vertex aV1, aV2;
  90   TopExp::Vertices(aEdge1, aV1, aV2);
  91   gp_Pnt aPnt1 = BRep_Tool::Pnt(aV1);
  92   gp_Pnt aPnt2 = BRep_Tool::Pnt(aV2);
  93   std::shared_ptr<GeomAPI_Lin> aL1(new GeomAPI_Lin(aPnt1.X(), aPnt1.Y(), aPnt1.Z(),
  94                                                    aPnt2.X(), aPnt2.Y(), aPnt2.Z()));
  95   TopExp::Vertices(aEdge2, aV1, aV2);
  96   aPnt1 = BRep_Tool::Pnt(aV1);
  97   aPnt2 = BRep_Tool::Pnt(aV2);
  98   std::shared_ptr<GeomAPI_Lin> aL2(new GeomAPI_Lin(aPnt1.X(), aPnt1.Y(), aPnt1.Z(),
  99                                                    aPnt2.X(), aPnt2.Y(), aPnt2.Z()));
 100
 101   std::shared_ptr<GeomAPI_Pnt> aInter = aL1->intersect(aL2);
 102   gp_Pnt aCenter = aInter->impl<gp_Pnt>();
 103
 104   gp_Pnt aFLyPnt(aFlyoutPnt->x(), aFlyoutPnt->y(), aFlyoutPnt->z());
 105   double aDist = aCenter.Distance(aFLyPnt);
 106   SetFlyout(aDist);
 107
 108   // Angle value is in degrees
 109   AttributeDoublePtr aVal = aData->real(SketchPlugin_Constraint::VALUE());
 110   SetCustomValue(aVal->value() * PI / 180.0);
 111
 112   AIS_AngleDimension::Compute(thePresentationManager, thePresentation, theMode);
 113 }
 114
 115 void SketcherPrs_Angle::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
 116                                                    const Standard_Integer theMode)
 117 {
 118   Standard_Integer aMode;
 119   switch (theMode) {
 120   case 0: // we should use selection of all objects
 121     aMode = 0;
 122     break;
 123   case SketcherPrs_Tools::Sel_Dimension_All:
 124     aMode = 0;
 125     break;
 126   case SketcherPrs_Tools::Sel_Dimension_Line:
 127     aMode = 1;
 128     break;
 129   case SketcherPrs_Tools::Sel_Dimension_Text:
 130     aMode = 2;
 131     break;
 132   default: {
 133     // there are own selection modes, so the others should be ignored
 134     // otherwise, the text selection appears in the viewer
 135     return;
 136   }
 137   }
 138   AIS_AngleDimension::ComputeSelection(aSelection, aMode);
 139 }