src/SketcherPrs/SketcherPrs_Radius.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:        SketcherPrs_Radius.cpp
   4 // Created:     26 March 2015
   5 // Author:      Vitaly SMETANNIKOV
   6
   7 #include "SketcherPrs_Radius.h"
   8 #include "SketcherPrs_Tools.h"
   9 #include "SketcherPrs_DimensionStyleListener.h"
  10
  11 #include <SketchPlugin_ConstraintRadius.h>
  12 #include <SketchPlugin_Constraint.h>
  13 #include <SketchPlugin_Circle.h>
  14 #include <SketchPlugin_Arc.h>
  15
  16 #include <Events_Error.h>
  17
  18 #include <GeomDataAPI_Point2D.h>
  19 #include <GeomAPI_Pnt2d.h>
  20 #include <GeomAPI_Circ.h>
  21 #include <GeomAPI_XYZ.h>
  22 #include <ModelAPI_AttributeDouble.h>
  23
  24 #include <gp_Circ.hxx>
  25
  26 static const gp_Circ MyDefCirc(gp_Ax2(gp_Pnt(0,0,0), gp_Dir(0,0,1)), 1);
  27
  28 IMPLEMENT_STANDARD_HANDLE(SketcherPrs_Radius, AIS_RadiusDimension);
  29 IMPLEMENT_STANDARD_RTTIEXT(SketcherPrs_Radius, AIS_RadiusDimension);
  30
  31 SketcherPrs_Radius::SketcherPrs_Radius(ModelAPI_Feature* theConstraint,
  32                                        const std::shared_ptr<GeomAPI_Ax3>& thePlane)
  33 : AIS_RadiusDimension(MyDefCirc), myConstraint(theConstraint), mySketcherPlane(thePlane),
  34   myCircle(MyDefCirc),
  35   myAnchorPoint(gp_Pnt(0, 0, 2)),
  36   myHasParameters(false),
  37   myValue(""),
  38   myRadius(1)
  39 {
  40   SetDimensionAspect(SketcherPrs_Tools::createDimensionAspect());
  41   SetSelToleranceForText2d(SketcherPrs_Tools::getDefaultTextHeight());
  42
  43   myStyleListener = new SketcherPrs_DimensionStyleListener();
  44 }
  45
  46 SketcherPrs_Radius::~SketcherPrs_Radius()
  47 {
  48   delete myStyleListener;
  49 }
  50
  51 bool SketcherPrs_Radius::IsReadyToDisplay(ModelAPI_Feature* theConstraint,
  52                                           const std::shared_ptr<GeomAPI_Ax3>& thePlane)
  53 {
  54   gp_Circ aCircle;
  55   gp_Pnt anAnchorPoint;
  56   double aRadius;
  57   return readyToDisplay(theConstraint, thePlane, aCircle, anAnchorPoint, aRadius);
  58 }
  59
  60 bool SketcherPrs_Radius::readyToDisplay(ModelAPI_Feature* theConstraint,
  61                                         const std::shared_ptr<GeomAPI_Ax3>& thePlane,
  62                                         gp_Circ& theCircle, gp_Pnt& theAnchorPoint,
  63                                         double& theRadius)
  64 {
  65   bool aReadyToDisplay = false;
  66
  67   DataPtr aData = theConstraint->data();
  68
  69   // Flyout point
  70   std::shared_ptr<GeomDataAPI_Point2D> aFlyoutAttr =
  71     std::dynamic_pointer_cast<GeomDataAPI_Point2D>
  72     (aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
  73   if (!aFlyoutAttr->isInitialized()) {
  74     return aReadyToDisplay; // can not create a good presentation
  75   }
  76
  77   // Get circle
  78   std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr =
  79     std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>
  80     (aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
  81   if (!anAttr)
  82     return aReadyToDisplay;
  83
  84   std::shared_ptr<ModelAPI_Feature> aCyrcFeature = ModelAPI_Feature::feature(anAttr->object());
  85   theRadius = 1;
  86   std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr;
  87   // it is possible that circle result becomes zero, in this case the presentation should disappear
  88   // for example, it happens when circle radius is set to zero
  89   if (!aCyrcFeature)
  90     return aReadyToDisplay;
  91   if (aCyrcFeature->getKind() == SketchPlugin_Circle::ID()) { // circle
  92     aCenterAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
  93         aCyrcFeature->data()->attribute(SketchPlugin_Circle::CENTER_ID()));
  94     AttributeDoublePtr aCircRadius =
  95       std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
  96       aCyrcFeature->data()->attribute(SketchPlugin_Circle::RADIUS_ID()));
  97     theRadius = aCircRadius->value();
  98   } else { // arc
  99     aCenterAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 100         aCyrcFeature->data()->attribute(SketchPlugin_Arc::CENTER_ID()));
 101     std::shared_ptr<GeomDataAPI_Point2D> aStartAttr =
 102       std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 103       (aCyrcFeature->data()->attribute(SketchPlugin_Arc::START_ID()));
 104     theRadius = aCenterAttr->pnt()->distance(aStartAttr->pnt());
 105   }
 106   std::shared_ptr<GeomAPI_Pnt> aCenter = thePlane->to3D(aCenterAttr->x(), aCenterAttr->y());
 107   std::shared_ptr<GeomAPI_Dir> aNormal = thePlane->normal();
 108
 109   GeomAPI_Circ aCircle(aCenter, aNormal, theRadius);
 110   std::shared_ptr<GeomAPI_Pnt> anAnchor = SketcherPrs_Tools::getAnchorPoint(theConstraint, thePlane);
 111
 112   theCircle = aCircle.impl<gp_Circ>();
 113   theAnchorPoint = anAnchor->impl<gp_Pnt>();
 114
 115   aReadyToDisplay = theAnchorPoint.Distance(theCircle.Location()) > 1e-7;
 116
 117   return aReadyToDisplay;
 118 }
 119
 120 void SketcherPrs_Radius::Compute(const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
 121                                  const Handle(Prs3d_Presentation)& thePresentation,
 122                                  const Standard_Integer theMode)
 123 {
 124   gp_Circ aCircle;
 125   gp_Pnt anAnchorPoint;
 126   double aRadius;
 127   bool aReadyToDisplay = readyToDisplay(myConstraint, mySketcherPlane, aCircle, anAnchorPoint, aRadius);
 128   if (aReadyToDisplay) {
 129     myCircle = aCircle;
 130     myAnchorPoint = anAnchorPoint;
 131     myRadius = aRadius;
 132
 133     AttributeDoublePtr anAttributeValue = myConstraint->data()->real(SketchPlugin_Constraint::VALUE());
 134     myHasParameters = anAttributeValue->usedParameters().size() > 0;
 135     myValue = anAttributeValue->text();
 136   }
 137
 138   SetMeasuredGeometry(myCircle, myAnchorPoint);
 139   SetCustomValue(myRadius);
 140
 141   // Update variable aspect parameters (depending on viewer scale)
 142   double aTextSize = 0.0;
 143   GetValueString(aTextSize);
 144   SketcherPrs_Tools::updateArrows(DimensionAspect(), GetValue(), aTextSize);
 145
 146   myStyleListener->updateDimensions(this, myHasParameters, myValue);
 147
 148   AIS_RadiusDimension::Compute(thePresentationManager, thePresentation, theMode);
 149
 150   if (!aReadyToDisplay)
 151     SketcherPrs_Tools::sendEmptyPresentationError(myConstraint,
 152                               "An empty AIS presentation: SketcherPrs_Radius");
 153 }
 154
 155 void SketcherPrs_Radius::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
 156                                                    const Standard_Integer theMode)
 157 {
 158   // Map the application selection modes to standard ones
 159   Standard_Integer aMode;
 160   switch (theMode) {
 161   case 0: // we should use selection of all objects
 162     aMode = 0;
 163     break;
 164   case SketcherPrs_Tools::Sel_Dimension_All:
 165     aMode = 0;
 166     break;
 167   case SketcherPrs_Tools::Sel_Dimension_Line:
 168     aMode = 1;
 169     break;
 170   case SketcherPrs_Tools::Sel_Dimension_Text:
 171     aMode = 2;
 172     break;
 173   default: {
 174     // there are own selection modes, so the others should be ignored
 175     // otherwise, the text selection appears in the viewer
 176     return;
 177   }
 178   }
 179   AIS_RadiusDimension::ComputeSelection(aSelection, aMode);
 180 }