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 SketcherPrs_Angle::SketcherPrs_Angle(ModelAPI_Feature* theConstraint,
  30                                      const std::shared_ptr<GeomAPI_Ax3>& thePlane)
  31 : AIS_AngleDimension(gp_Pnt(0,0,0), gp_Pnt(1,0,0), gp_Pnt(0,1,0)), myConstraint(theConstraint), myPlane(thePlane)
  32 {
  33   myAspect = new Prs3d_DimensionAspect();
  34   myAspect->MakeArrows3d(false);
  35   myAspect->MakeText3d(false);
  36   myAspect->MakeTextShaded(false);
  37   myAspect->MakeUnitsDisplayed(false);
  38   myAspect->TextAspect()->SetHeight(SketcherPrs_Tools::getDefaultTextHeight());
  39   myAspect->ArrowAspect()->SetLength(SketcherPrs_Tools::getArrowSize());
  40
  41   SetDimensionAspect(myAspect);
  42   SetSelToleranceForText2d(SketcherPrs_Tools::getDefaultTextHeight());
  43 }
  44
  45 void SketcherPrs_Angle::Compute(const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
  46                                 const Handle(Prs3d_Presentation)& thePresentation,
  47                                 const Standard_Integer theMode)
  48 {
  49   DataPtr aData = myConstraint->data();
  50
  51   // Flyout point
  52   std::shared_ptr<GeomDataAPI_Point2D> aFlyoutAttr =
  53     std::dynamic_pointer_cast<GeomDataAPI_Point2D>
  54     (aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
  55   if (!aFlyoutAttr->isInitialized())
  56     return; // can not create a good presentation
  57
  58   std::shared_ptr<GeomAPI_Pnt> aFlyoutPnt = myPlane->to3D(aFlyoutAttr->x(), aFlyoutAttr->y());
  59
  60   AttributeRefAttrPtr anAttr1 = aData->refattr(SketchPlugin_Constraint::ENTITY_A());
  61   if (!anAttr1->isInitialized())
  62     return;
  63
  64   AttributeRefAttrPtr anAttr2 = aData->refattr(SketchPlugin_Constraint::ENTITY_B());
  65   if (!anAttr2->isInitialized())
  66     return;
  67
  68   // Get angle edges
  69   ObjectPtr aObj1 = anAttr1->object();
  70   ObjectPtr aObj2 = anAttr2->object();
  71
  72   std::shared_ptr<GeomAPI_Shape> aShape1 = SketcherPrs_Tools::getShape(aObj1);
  73   std::shared_ptr<GeomAPI_Shape> aShape2 = SketcherPrs_Tools::getShape(aObj2);
  74
  75   if (!aShape1 && !aShape2)
  76     return;
  77
  78   TopoDS_Shape aTEdge1 = aShape1->impl<TopoDS_Shape>();
  79   TopoDS_Shape aTEdge2 = aShape2->impl<TopoDS_Shape>();
  80
  81   TopoDS_Edge aEdge1 = TopoDS::Edge(aTEdge1);
  82   TopoDS_Edge aEdge2 = TopoDS::Edge(aTEdge2);
  83   SetMeasuredGeometry(aEdge1, aEdge2);
  84
  85   // Compute intersection point
  86   TopoDS_Vertex aV1, aV2;
  87   TopExp::Vertices(aEdge1, aV1, aV2);
  88   gp_Pnt aPnt1 = BRep_Tool::Pnt(aV1);
  89   gp_Pnt aPnt2 = BRep_Tool::Pnt(aV2);
  90   std::shared_ptr<GeomAPI_Lin> aL1(new GeomAPI_Lin(aPnt1.X(), aPnt1.Y(), aPnt1.Z(),
  91                                                    aPnt2.X(), aPnt2.Y(), aPnt2.Z()));
  92   TopExp::Vertices(aEdge2, aV1, aV2);
  93   aPnt1 = BRep_Tool::Pnt(aV1);
  94   aPnt2 = BRep_Tool::Pnt(aV2);
  95   std::shared_ptr<GeomAPI_Lin> aL2(new GeomAPI_Lin(aPnt1.X(), aPnt1.Y(), aPnt1.Z(),
  96                                                    aPnt2.X(), aPnt2.Y(), aPnt2.Z()));
  97
  98   std::shared_ptr<GeomAPI_Pnt> aInter = aL1->intersect(aL2);
  99   gp_Pnt aCenter = aInter->impl<gp_Pnt>();
 100
 101   gp_Pnt aFLyPnt(aFlyoutPnt->x(), aFlyoutPnt->y(), aFlyoutPnt->z());
 102   double aDist = aCenter.Distance(aFLyPnt);
 103   SetFlyout(aDist);
 104
 105   // Angle value is in degrees
 106   AttributeDoublePtr aVal = aData->real(SketchPlugin_Constraint::VALUE());
 107   SetCustomValue(aVal->value() * PI / 180.0);
 108
 109   myAspect->SetExtensionSize(myAspect->ArrowAspect()->Length());
 110   myAspect->SetArrowTailSize(myAspect->ArrowAspect()->Length());
 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 }