src/SketcherPrs/SketcherPrs_LengthDimension.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:        SketcherPrs_LengthDimension.cpp
   4 // Created:     27 March 2015
   5 // Author:      Vitaly SMETANNIKOV
   6
   7 #include "SketcherPrs_LengthDimension.h"
   8 #include "SketcherPrs_Tools.h"
   9 #include "SketcherPrs_DimensionStyleListener.h"
  10
  11 #include <SketchPlugin_Constraint.h>
  12 #include <SketchPlugin_ConstraintLength.h>
  13 #include <SketchPlugin_ConstraintDistance.h>
  14 #include <SketchPlugin_Line.h>
  15 #include <SketchPlugin_Point.h>
  16 #include <SketchPlugin_Circle.h>
  17
  18 #include <GeomDataAPI_Point2D.h>
  19 #include <GeomAPI_Pnt.h>
  20 #include <GeomAPI_XYZ.h>
  21 #include <GeomAPI_Pnt2d.h>
  22 #include <GeomAPI_Lin2d.h>
  23
  24 #include <ModelAPI_Data.h>
  25 #include <ModelAPI_AttributeDouble.h>
  26
  27 #include <AIS_DisplaySpecialSymbol.hxx>
  28
  29
  30 static const gp_Pnt MyDefStart(0,0,0);
  31 static const gp_Pnt MyDefEnd(1,0,0);
  32 static const gp_Pln MyDefPln(gp_Pnt(0,0,0), gp_Dir(0,0,1));
  33
  34 IMPLEMENT_STANDARD_RTTIEXT(SketcherPrs_LengthDimension, AIS_LengthDimension);
  35
  36 SketcherPrs_LengthDimension::SketcherPrs_LengthDimension(ModelAPI_Feature* theConstraint,
  37                                               const std::shared_ptr<GeomAPI_Ax3>& thePlane)
  38 : AIS_LengthDimension(MyDefStart, MyDefEnd, MyDefPln),
  39   myConstraint(theConstraint),
  40   mySketcherPlane(thePlane),
  41   myFirstPoint(MyDefStart),
  42   mySecondPoint(MyDefEnd),
  43   myPlane(MyDefPln),
  44   myDistance(1),
  45   myValue(0., false, "")
  46 {
  47   // PORTING_TO_SALOME_8
  48   // SetDimensionAspect(SketcherPrs_Tools::createDimensionAspect());
  49   myStyleListener = new SketcherPrs_DimensionStyleListener();
  50 }
  51
  52 SketcherPrs_LengthDimension::~SketcherPrs_LengthDimension()
  53 {
  54   delete myStyleListener;
  55 }
  56
  57 bool SketcherPrs_LengthDimension::IsReadyToDisplay(ModelAPI_Feature* theConstraint,
  58                                          const std::shared_ptr<GeomAPI_Ax3>& thePlane)
  59 {
  60   gp_Pnt aPnt1, aPnt2;
  61   return readyToDisplay(theConstraint, thePlane, aPnt1, aPnt2);
  62 }
  63
  64 void SketcherPrs_LengthDimension::Compute(
  65   const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
  66   const Handle(Prs3d_Presentation)& thePresentation,
  67   const Standard_Integer theMode)
  68 {
  69   gp_Pnt aPnt1, aPnt2;
  70   bool aReadyToDisplay = readyToDisplay(myConstraint, mySketcherPlane, aPnt1, aPnt2);
  71   if (aReadyToDisplay) {
  72     myFirstPoint = aPnt1;
  73     mySecondPoint = aPnt2;
  74
  75     myDistance = SketcherPrs_Tools::getFlyoutDistance(myConstraint);
  76     myPlane = gp_Pln(mySketcherPlane->impl<gp_Ax3>());
  77
  78     DataPtr aData = myConstraint->data();
  79     AttributeDoublePtr anAttributeValue = aData->real(SketchPlugin_Constraint::VALUE());
  80     myValue.init(anAttributeValue);
  81   }
  82
  83   // compute flyout distance
  84   SetFlyout(myDistance);
  85   SetMeasuredGeometry(myFirstPoint, mySecondPoint, myPlane);
  86
  87   // Update variable aspect parameters (depending on viewer scale)
  88   double aTextSize = 0.0;
  89   GetValueString(aTextSize);
  90
  91   // PORTING_TO_SALOME_8
  92   //SketcherPrs_Tools::updateArrows(DimensionAspect(), GetValue(), aTextSize);
  93
  94   // Update text visualization: parameter value or parameter text
  95   myStyleListener->updateDimensions(this, myValue);
  96
  97   AIS_LengthDimension::Compute(thePresentationManager, thePresentation, theMode);
  98
  99   if (!aReadyToDisplay)
 100     SketcherPrs_Tools::sendEmptyPresentationError(myConstraint,
 101                               "An empty AIS presentation: SketcherPrs_LengthDimension");
 102 }
 103
 104 bool SketcherPrs_LengthDimension::readyToDisplay(ModelAPI_Feature* theConstraint,
 105                                                  const std::shared_ptr<GeomAPI_Ax3>& thePlane,
 106                                                  gp_Pnt& thePnt1, gp_Pnt& thePnt2)
 107 {
 108   DataPtr aData = theConstraint->data();
 109   if (theConstraint->getKind() == SketchPlugin_ConstraintLength::ID()) {
 110     // The constraint is length
 111     std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr =
 112       std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>
 113       (aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
 114     if (!anAttr)
 115       return false;
 116
 117     FeaturePtr aFeature = ModelAPI_Feature::feature(anAttr->object());
 118     if (!aFeature || aFeature->getKind() != SketchPlugin_Line::ID())
 119       return false;
 120
 121     // Get geometry of the object
 122     DataPtr aLineData = aFeature->data();
 123     std::shared_ptr<GeomDataAPI_Point2D> aStartPoint =
 124       std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 125       (aLineData->attribute(SketchPlugin_Line::START_ID()));
 126     std::shared_ptr<GeomDataAPI_Point2D> aEndPoint =
 127       std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 128       (aLineData->attribute(SketchPlugin_Line::END_ID()));
 129     thePnt1 = thePlane->to3D(aStartPoint->x(), aStartPoint->y())->impl<gp_Pnt>();
 130     thePnt2 = thePlane->to3D(aEndPoint->x(), aEndPoint->y())->impl<gp_Pnt>();
 131     return true;
 132
 133   } else if (theConstraint->getKind() == SketchPlugin_ConstraintDistance::ID()) {
 134     // The constraint is distance
 135     std::shared_ptr<GeomDataAPI_Point2D> aPoint_A = SketcherPrs_Tools::getFeaturePoint(
 136         aData, SketchPlugin_Constraint::ENTITY_A(), thePlane);
 137     std::shared_ptr<GeomDataAPI_Point2D> aPoint_B = SketcherPrs_Tools::getFeaturePoint(
 138         aData, SketchPlugin_Constraint::ENTITY_B(), thePlane);
 139
 140     std::shared_ptr<GeomAPI_Pnt2d> aPnt_A;
 141     std::shared_ptr<GeomAPI_Pnt2d> aPnt_B;
 142     if (aPoint_A && aPoint_B) {
 143       // Both objects are points
 144       aPnt_A = aPoint_A->pnt();
 145       aPnt_B = aPoint_B->pnt();
 146     } else if (!aPoint_A && aPoint_B) {
 147       // First object is line
 148       FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(
 149           aData, SketchPlugin_Constraint::ENTITY_A());
 150       if (aLine) {
 151         aPnt_B = aPoint_B->pnt();
 152         aPnt_A = SketcherPrs_Tools::getProjectionPoint(aLine, aPnt_B);
 153       }
 154     } else if (aPoint_A && !aPoint_B) {
 155       // Second object is line
 156       FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(
 157           aData, SketchPlugin_Constraint::ENTITY_B());
 158       if (aLine) {
 159         aPnt_A = aPoint_A->pnt();
 160         aPnt_B = SketcherPrs_Tools::getProjectionPoint(aLine, aPnt_A);
 161       }
 162     }
 163     if (!aPnt_A || !aPnt_B) // Objects not found
 164       return false;
 165
 166     // Get points from these object
 167     std::shared_ptr<GeomAPI_Pnt> aPoint1 = thePlane->to3D(aPnt_A->x(), aPnt_A->y());
 168     std::shared_ptr<GeomAPI_Pnt> aPoint2 = thePlane->to3D(aPnt_B->x(), aPnt_B->y());
 169     thePnt1 = aPoint1->impl<gp_Pnt>();
 170     thePnt2 = aPoint2->impl<gp_Pnt>();
 171     return true;
 172   }
 173   return false;
 174 }
 175
 176
 177
 178 void SketcherPrs_LengthDimension::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
 179                                                    const Standard_Integer theMode)
 180 {
 181   // Map the application selection modes to standard ones
 182   Standard_Integer aMode;
 183   switch (theMode) {
 184   case 0: // we should use selection of all objects
 185     aMode = 0;
 186     break;
 187   case SketcherPrs_Tools::Sel_Dimension_All:
 188     aMode = 0;
 189     break;
 190   case SketcherPrs_Tools::Sel_Dimension_Line:
 191     aMode = 1;
 192     break;
 193   case SketcherPrs_Tools::Sel_Dimension_Text:
 194     aMode = 2;
 195     break;
 196   default: {
 197     // there are own selection modes, so the others should be ignored
 198     // otherwise, the text selection appears in the viewer
 199     return;
 200   }
 201   }
 202   SetSelToleranceForText2d(SketcherPrs_Tools::getTextHeight());
 203   AIS_LengthDimension::ComputeSelection(aSelection, aMode);
 204 }