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
  10 #include <SketchPlugin_Constraint.h>
  11 #include <SketchPlugin_ConstraintLength.h>
  12 #include <SketchPlugin_ConstraintDistance.h>
  13 #include <SketchPlugin_Line.h>
  14 #include <SketchPlugin_Point.h>
  15 #include <SketchPlugin_Circle.h>
  16
  17 #include <GeomDataAPI_Point2D.h>
  18 #include <GeomAPI_Pnt.h>
  19 #include <GeomAPI_XYZ.h>
  20 #include <GeomAPI_Pnt2d.h>
  21 #include <GeomAPI_Lin2d.h>
  22
  23 #include <ModelAPI_Data.h>
  24
  25
  26 static const gp_Pnt MyDefStart(0,0,0);
  27 static const gp_Pnt MyDefEnd(1,0,0);
  28 static const gp_Pln MyDefPln(gp_Pnt(0,0,0), gp_Dir(0,0,1));
  29
  30 IMPLEMENT_STANDARD_HANDLE(SketcherPrs_LengthDimension, AIS_LengthDimension);
  31 IMPLEMENT_STANDARD_RTTIEXT(SketcherPrs_LengthDimension, AIS_LengthDimension);
  32
  33 SketcherPrs_LengthDimension::SketcherPrs_LengthDimension(ModelAPI_Feature* theConstraint,
  34                         const std::shared_ptr<GeomAPI_Ax3>& thePlane)
  35 : AIS_LengthDimension(MyDefStart, MyDefEnd, MyDefPln),
  36 myConstraint(theConstraint), myPlane(thePlane)
  37 {
  38   myAspect = new Prs3d_DimensionAspect();
  39   myAspect->MakeArrows3d(false);
  40   myAspect->MakeText3d(false);
  41   myAspect->MakeTextShaded(false);
  42   myAspect->MakeUnitsDisplayed(false);
  43   myAspect->TextAspect()->SetHeight(SketcherPrs_Tools::getDefaultTextHeight());
  44   myAspect->ArrowAspect()->SetLength(SketcherPrs_Tools::getArrowSize());
  45
  46   SetSelToleranceForText2d(SketcherPrs_Tools::getTextHeight());
  47   SetDimensionAspect(myAspect);
  48 }
  49
  50
  51 void SketcherPrs_LengthDimension::Compute(const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
  52                                  const Handle(Prs3d_Presentation)& thePresentation,
  53                                  const Standard_Integer theMode)
  54 {
  55   gp_Pnt aPnt1, aPnt2;
  56   if (!getPoints(aPnt1, aPnt2))
  57     return;
  58   SetFlyout(SketcherPrs_Tools::getFlyoutDistance(myConstraint));
  59   SetMeasuredGeometry(aPnt1, aPnt2, myPlane->impl<gp_Ax3>());
  60   AIS_LengthDimension::Compute(thePresentationManager, thePresentation, theMode);
  61 }
  62
  63 bool SketcherPrs_LengthDimension::getPoints(gp_Pnt& thePnt1, gp_Pnt& thePnt2)
  64 {
  65   DataPtr aData = myConstraint->data();
  66   if (myConstraint->getKind() == SketchPlugin_ConstraintLength::ID()) {
  67     std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr =
  68       std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>
  69       (aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
  70     if (!anAttr)
  71       return false;
  72
  73     FeaturePtr aFeature = ModelAPI_Feature::feature(anAttr->object());
  74     if (!aFeature || aFeature->getKind() != SketchPlugin_Line::ID())
  75       return false;
  76
  77     DataPtr aLineData = aFeature->data();
  78     std::shared_ptr<GeomDataAPI_Point2D> aStartPoint =
  79       std::dynamic_pointer_cast<GeomDataAPI_Point2D>
  80       (aLineData->attribute(SketchPlugin_Line::START_ID()));
  81     std::shared_ptr<GeomDataAPI_Point2D> aEndPoint =
  82       std::dynamic_pointer_cast<GeomDataAPI_Point2D>
  83       (aLineData->attribute(SketchPlugin_Line::END_ID()));
  84     thePnt1 = myPlane->to3D(aStartPoint->x(), aStartPoint->y())->impl<gp_Pnt>();
  85     thePnt2 = myPlane->to3D(aEndPoint->x(), aEndPoint->y())->impl<gp_Pnt>();
  86     return true;
  87
  88   } else if (myConstraint->getKind() == SketchPlugin_ConstraintDistance::ID()) {
  89     std::shared_ptr<GeomDataAPI_Point2D> aPoint_A = SketcherPrs_Tools::getFeaturePoint(
  90         aData, SketchPlugin_Constraint::ENTITY_A(), myPlane);
  91     std::shared_ptr<GeomDataAPI_Point2D> aPoint_B = SketcherPrs_Tools::getFeaturePoint(
  92         aData, SketchPlugin_Constraint::ENTITY_B(), myPlane);
  93
  94     std::shared_ptr<GeomAPI_Pnt2d> aPnt_A;
  95     std::shared_ptr<GeomAPI_Pnt2d> aPnt_B;
  96     if (aPoint_A && aPoint_B) {
  97       aPnt_A = aPoint_A->pnt();
  98       aPnt_B = aPoint_B->pnt();
  99     } else if (!aPoint_A && aPoint_B) {
 100       FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(
 101           aData, SketchPlugin_Constraint::ENTITY_A());
 102       if (aLine) {
 103         aPnt_B = aPoint_B->pnt();
 104         aPnt_A = SketcherPrs_Tools::getProjectionPoint(aLine, aPnt_B);
 105       }
 106     } else if (aPoint_A && !aPoint_B) {
 107       FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(
 108           aData, SketchPlugin_Constraint::ENTITY_B());
 109       if (aLine) {
 110         aPnt_A = aPoint_A->pnt();
 111         aPnt_B = SketcherPrs_Tools::getProjectionPoint(aLine, aPnt_A);
 112       }
 113     }
 114     if (!aPnt_A || !aPnt_B)
 115       return false;
 116
 117     std::shared_ptr<GeomAPI_Pnt> aPoint1 = myPlane->to3D(aPnt_A->x(), aPnt_A->y());
 118     std::shared_ptr<GeomAPI_Pnt> aPoint2 = myPlane->to3D(aPnt_B->x(), aPnt_B->y());
 119     thePnt1 = aPoint1->impl<gp_Pnt>();
 120     thePnt2 = aPoint2->impl<gp_Pnt>();
 121     return true;
 122   }
 123   return false;
 124 }
 125
 126
 127
 128 void SketcherPrs_LengthDimension::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
 129                                                    const Standard_Integer theMode)
 130 {
 131   Standard_Integer aMode;
 132   switch (theMode) {
 133   case 0: // we should use selection of all objects
 134     aMode = 0;
 135     break;
 136   case SketcherPrs_Tools::Sel_Dimension_All:
 137     aMode = 0;
 138     break;
 139   case SketcherPrs_Tools::Sel_Dimension_Line:
 140     aMode = 1;
 141     break;
 142   case SketcherPrs_Tools::Sel_Dimension_Text:
 143     aMode = 2;
 144     break;
 145   default: {
 146     // there are own selection modes, so the others should be ignored
 147     // otherwise, the text selection appears in the viewer
 148     return;
 149   }
 150   }
 151   SetSelToleranceForText2d(SketcherPrs_Tools::getTextHeight());
 152   AIS_LengthDimension::ComputeSelection(aSelection, aMode);
 153 }