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