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 #include <Events_Error.h>
  24
  25 #define PI 3.1415926535897932
  26
  27 IMPLEMENT_STANDARD_HANDLE(SketcherPrs_Angle, AIS_AngleDimension);
  28 IMPLEMENT_STANDARD_RTTIEXT(SketcherPrs_Angle, AIS_AngleDimension);
  29
  30 SketcherPrs_Angle::SketcherPrs_Angle(ModelAPI_Feature* theConstraint,
  31                                      const std::shared_ptr<GeomAPI_Ax3>& thePlane)
  32 : AIS_AngleDimension(gp_Pnt(0,0,0), gp_Pnt(1,0,0), gp_Pnt(0,1,0)), myConstraint(theConstraint), myPlane(thePlane)
  33 {
  34   myAspect = new Prs3d_DimensionAspect();
  35   myAspect->MakeArrows3d(false);
  36   myAspect->MakeText3d(false);
  37   myAspect->MakeTextShaded(false);
  38   myAspect->MakeUnitsDisplayed(false);
  39   myAspect->TextAspect()->SetHeight(SketcherPrs_Tools::getDefaultTextHeight());
  40   myAspect->ArrowAspect()->SetLength(SketcherPrs_Tools::getArrowSize());
  41
  42   SetDimensionAspect(myAspect);
  43   SetSelToleranceForText2d(SketcherPrs_Tools::getDefaultTextHeight());
  44 }
  45
  46 bool SketcherPrs_Angle::IsReadyToDisplay(ModelAPI_Feature* theConstraint,
  47                                          const std::shared_ptr<GeomAPI_Ax3>&/* thePlane*/)
  48 {
  49   bool aReadyToDisplay = false;
  50
  51   DataPtr aData = theConstraint->data();
  52
  53   // Flyout point
  54   std::shared_ptr<GeomDataAPI_Point2D> aFlyoutAttr =
  55     std::dynamic_pointer_cast<GeomDataAPI_Point2D>
  56     (aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
  57   if (!aFlyoutAttr->isInitialized())
  58     return aReadyToDisplay; // can not create a good presentation
  59
  60   AttributeRefAttrPtr anAttr1 = aData->refattr(SketchPlugin_Constraint::ENTITY_A());
  61   if (!anAttr1->isInitialized())
  62     return aReadyToDisplay;
  63
  64   AttributeRefAttrPtr anAttr2 = aData->refattr(SketchPlugin_Constraint::ENTITY_B());
  65   if (!anAttr2->isInitialized())
  66     return aReadyToDisplay;
  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   aReadyToDisplay = aShape1.get() && aShape2.get();
  76   return aReadyToDisplay;
  77 }
  78
  79 void SketcherPrs_Angle::Compute(const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
  80                                 const Handle(Prs3d_Presentation)& thePresentation,
  81                                 const Standard_Integer theMode)
  82 {
  83   DataPtr aData = myConstraint->data();
  84
  85   if (!IsReadyToDisplay(myConstraint, myPlane)) {
  86     Events_Error::throwException("An empty AIS presentation: SketcherPrs_Angle");
  87     return; // can not create a good presentation
  88   }
  89
  90   // Flyout point
  91   std::shared_ptr<GeomDataAPI_Point2D> aFlyoutAttr =
  92     std::dynamic_pointer_cast<GeomDataAPI_Point2D>
  93     (aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
  94   std::shared_ptr<GeomAPI_Pnt> aFlyoutPnt = myPlane->to3D(aFlyoutAttr->x(), aFlyoutAttr->y());
  95
  96   AttributeRefAttrPtr anAttr1 = aData->refattr(SketchPlugin_Constraint::ENTITY_A());
  97   AttributeRefAttrPtr anAttr2 = aData->refattr(SketchPlugin_Constraint::ENTITY_B());
  98
  99   // Get angle edges
 100   ObjectPtr aObj1 = anAttr1->object();
 101   ObjectPtr aObj2 = anAttr2->object();
 102
 103   std::shared_ptr<GeomAPI_Shape> aShape1 = SketcherPrs_Tools::getShape(aObj1);
 104   std::shared_ptr<GeomAPI_Shape> aShape2 = SketcherPrs_Tools::getShape(aObj2);
 105
 106   TopoDS_Shape aTEdge1 = aShape1->impl<TopoDS_Shape>();
 107   TopoDS_Shape aTEdge2 = aShape2->impl<TopoDS_Shape>();
 108
 109   TopoDS_Edge aEdge1 = TopoDS::Edge(aTEdge1);
 110   TopoDS_Edge aEdge2 = TopoDS::Edge(aTEdge2);
 111   SetMeasuredGeometry(aEdge1, aEdge2);
 112
 113   const gp_Pnt& aCenter = CenterPoint();
 114   const gp_Pnt& aFirst = FirstPoint();
 115   const gp_Pnt& aSecond = SecondPoint();
 116
 117   gp_Dir aBisector((aFirst.XYZ() + aSecond.XYZ()) * 0.5 - aCenter.XYZ());
 118
 119   gp_Pnt aFlyPnt(aFlyoutPnt->x(), aFlyoutPnt->y(), aFlyoutPnt->z());
 120   gp_XYZ aFlyDir = aFlyPnt.XYZ() - aCenter.XYZ();
 121   double aDist = aFlyDir.Dot(aBisector.XYZ());
 122   SetFlyout(aDist);
 123
 124   // Angle value is in degrees
 125   AttributeDoublePtr aVal = aData->real(SketchPlugin_Constraint::VALUE());
 126   SetCustomValue(aVal->value() * PI / 180.0);
 127
 128   myAspect->SetExtensionSize(myAspect->ArrowAspect()->Length());
 129   myAspect->SetArrowTailSize(myAspect->ArrowAspect()->Length());
 130
 131   AttributeDoublePtr aValue = myConstraint->data()->real(SketchPlugin_Constraint::VALUE());
 132   SketcherPrs_Tools::setDisplaySpecialSymbol(this, aValue->usedParameters().size() > 0);
 133
 134   AIS_AngleDimension::Compute(thePresentationManager, thePresentation, theMode);
 135 }
 136
 137 void SketcherPrs_Angle::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
 138                                                    const Standard_Integer theMode)
 139 {
 140   Standard_Integer aMode;
 141   switch (theMode) {
 142   case 0: // we should use selection of all objects
 143     aMode = 0;
 144     break;
 145   case SketcherPrs_Tools::Sel_Dimension_All:
 146     aMode = 0;
 147     break;
 148   case SketcherPrs_Tools::Sel_Dimension_Line:
 149     aMode = 1;
 150     break;
 151   case SketcherPrs_Tools::Sel_Dimension_Text:
 152     aMode = 2;
 153     break;
 154   default: {
 155     // there are own selection modes, so the others should be ignored
 156     // otherwise, the text selection appears in the viewer
 157     return;
 158   }
 159   }
 160   AIS_AngleDimension::ComputeSelection(aSelection, aMode);
 161 }