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 static const Standard_ExtCharacter MyEmptySymbol(' ');
  30 static const Standard_ExtCharacter MySummSymbol(0x03A3);
  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   const gp_Pnt& aCenter = CenterPoint();
  89   const gp_Pnt& aFirst = FirstPoint();
  90   const gp_Pnt& aSecond = SecondPoint();
  91
  92   gp_Dir aBisector((aFirst.XYZ() + aSecond.XYZ()) * 0.5 - aCenter.XYZ());
  93
  94   gp_Pnt aFlyPnt(aFlyoutPnt->x(), aFlyoutPnt->y(), aFlyoutPnt->z());
  95   gp_XYZ aFlyDir = aFlyPnt.XYZ() - aCenter.XYZ();
  96   double aDist = aFlyDir.Dot(aBisector.XYZ());
  97   SetFlyout(aDist);
  98
  99   // Angle value is in degrees
 100   AttributeDoublePtr aVal = aData->real(SketchPlugin_Constraint::VALUE());
 101   SetCustomValue(aVal->value() * PI / 180.0);
 102
 103   myAspect->SetExtensionSize(myAspect->ArrowAspect()->Length());
 104   myAspect->SetArrowTailSize(myAspect->ArrowAspect()->Length());
 105
 106   AttributeDoublePtr aValue = myConstraint->data()->real(SketchPlugin_Constraint::VALUE());
 107   std::set<std::string> aParams = aValue->usedParameters();
 108   if (aParams.size() > 0) {
 109     SetSpecialSymbol(MySummSymbol);
 110     SetDisplaySpecialSymbol(AIS_DSS_Before);
 111   }
 112   else {
 113     SetSpecialSymbol(MyEmptySymbol);
 114     SetDisplaySpecialSymbol(AIS_DSS_Before);
 115   }
 116
 117   AIS_AngleDimension::Compute(thePresentationManager, thePresentation, theMode);
 118 }
 119
 120 void SketcherPrs_Angle::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
 121                                                    const Standard_Integer theMode)
 122 {
 123   Standard_Integer aMode;
 124   switch (theMode) {
 125   case 0: // we should use selection of all objects
 126     aMode = 0;
 127     break;
 128   case SketcherPrs_Tools::Sel_Dimension_All:
 129     aMode = 0;
 130     break;
 131   case SketcherPrs_Tools::Sel_Dimension_Line:
 132     aMode = 1;
 133     break;
 134   case SketcherPrs_Tools::Sel_Dimension_Text:
 135     aMode = 2;
 136     break;
 137   default: {
 138     // there are own selection modes, so the others should be ignored
 139     // otherwise, the text selection appears in the viewer
 140     return;
 141   }
 142   }
 143   AIS_AngleDimension::ComputeSelection(aSelection, aMode);
 144 }