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 SketcherPrs_Angle::SketcherPrs_Angle(ModelAPI_Feature* theConstraint,
  29                                      const std::shared_ptr<GeomAPI_Ax3>& thePlane)
  30 : AIS_AngleDimension(gp_Pnt(0,0,0), gp_Pnt(1,0,0), gp_Pnt(0,1,0)), myConstraint(theConstraint), myPlane(thePlane)
  31 {
  32   myAspect = new Prs3d_DimensionAspect();
  33   myAspect->MakeArrows3d(false);
  34   myAspect->MakeText3d(false);
  35   myAspect->MakeTextShaded(false);
  36   myAspect->MakeUnitsDisplayed(false);
  37   myAspect->TextAspect()->SetHeight(SketcherPrs_Tools::getDefaultTextHeight());
  38   myAspect->ArrowAspect()->SetLength(SketcherPrs_Tools::getArrowSize());
  39
  40   SetDimensionAspect(myAspect);
  41   SetSelToleranceForText2d(SketcherPrs_Tools::getDefaultTextHeight());
  42 }
  43
  44 void SketcherPrs_Angle::Compute(const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
  45                                 const Handle(Prs3d_Presentation)& thePresentation,
  46                                 const Standard_Integer theMode)
  47 {
  48   DataPtr aData = myConstraint->data();
  49
  50   // Flyout point
  51   std::shared_ptr<GeomDataAPI_Point2D> aFlyoutAttr =
  52     std::dynamic_pointer_cast<GeomDataAPI_Point2D>
  53     (aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
  54   if (!aFlyoutAttr->isInitialized())
  55     return; // can not create a good presentation
  56
  57   std::shared_ptr<GeomAPI_Pnt> aFlyoutPnt = myPlane->to3D(aFlyoutAttr->x(), aFlyoutAttr->y());
  58
  59   AttributeRefAttrPtr anAttr1 = aData->refattr(SketchPlugin_Constraint::ENTITY_A());
  60   if (!anAttr1->isInitialized())
  61     return;
  62
  63   AttributeRefAttrPtr anAttr2 = aData->refattr(SketchPlugin_Constraint::ENTITY_B());
  64   if (!anAttr2->isInitialized())
  65     return;
  66
  67   // Get angle edges
  68   ObjectPtr aObj1 = anAttr1->object();
  69   ObjectPtr aObj2 = anAttr2->object();
  70
  71   std::shared_ptr<GeomAPI_Shape> aShape1 = SketcherPrs_Tools::getShape(aObj1);
  72   std::shared_ptr<GeomAPI_Shape> aShape2 = SketcherPrs_Tools::getShape(aObj2);
  73
  74   if (!aShape1 && !aShape2)
  75     return;
  76
  77   TopoDS_Shape aTEdge1 = aShape1->impl<TopoDS_Shape>();
  78   TopoDS_Shape aTEdge2 = aShape2->impl<TopoDS_Shape>();
  79
  80   TopoDS_Edge aEdge1 = TopoDS::Edge(aTEdge1);
  81   TopoDS_Edge aEdge2 = TopoDS::Edge(aTEdge2);
  82   SetMeasuredGeometry(aEdge1, aEdge2);
  83
  84   const gp_Pnt& aCenter = CenterPoint();
  85   const gp_Pnt& aFirst = FirstPoint();
  86   const gp_Pnt& aSecond = SecondPoint();
  87
  88   gp_Dir aBisector((aFirst.XYZ() + aSecond.XYZ()) * 0.5 - aCenter.XYZ());
  89
  90   gp_Pnt aFlyPnt(aFlyoutPnt->x(), aFlyoutPnt->y(), aFlyoutPnt->z());
  91   gp_XYZ aFlyDir = aFlyPnt.XYZ() - aCenter.XYZ();
  92   double aDist = aFlyDir.Dot(aBisector.XYZ());
  93   SetFlyout(aDist);
  94
  95   // Angle value is in degrees
  96   AttributeDoublePtr aVal = aData->real(SketchPlugin_Constraint::VALUE());
  97   SetCustomValue(aVal->value() * PI / 180.0);
  98
  99   myAspect->SetExtensionSize(myAspect->ArrowAspect()->Length());
 100   myAspect->SetArrowTailSize(myAspect->ArrowAspect()->Length());
 101
 102   AttributeDoublePtr aValue = myConstraint->data()->real(SketchPlugin_Constraint::VALUE());
 103   SketcherPrs_Tools::setDisplaySpecialSymbol(this, aValue->usedParameters().size() > 0);
 104
 105   AIS_AngleDimension::Compute(thePresentationManager, thePresentation, theMode);
 106 }
 107
 108 void SketcherPrs_Angle::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
 109                                                    const Standard_Integer theMode)
 110 {
 111   Standard_Integer aMode;
 112   switch (theMode) {
 113   case 0: // we should use selection of all objects
 114     aMode = 0;
 115     break;
 116   case SketcherPrs_Tools::Sel_Dimension_All:
 117     aMode = 0;
 118     break;
 119   case SketcherPrs_Tools::Sel_Dimension_Line:
 120     aMode = 1;
 121     break;
 122   case SketcherPrs_Tools::Sel_Dimension_Text:
 123     aMode = 2;
 124     break;
 125   default: {
 126     // there are own selection modes, so the others should be ignored
 127     // otherwise, the text selection appears in the viewer
 128     return;
 129   }
 130   }
 131   AIS_AngleDimension::ComputeSelection(aSelection, aMode);
 132 }