src/GeomAPI/GeomAPI_AISObject.cpp

   1 // File:        GeomAPI_AISObject.cpp
   2 // Created:     25 Jun 2014
   3 // Author:      Artem ZHIDKOV
   4
   5 #include <GeomAPI_AISObject.h>
   6
   7 #include <GeomAPI_Circ.h>
   8 #include <GeomAPI_Dir.h>
   9 #include <GeomAPI_Lin.h>
  10 #include <GeomAPI_Pln.h>
  11 #include <GeomAPI_Pnt.h>
  12 #include <GeomAPI_Shape.h>
  13 #include <GeomAPI_XYZ.h>
  14
  15 #include <Geom_Plane.hxx>
  16 #include <TopoDS_Shape.hxx>
  17 #include <Quantity_NameOfColor.hxx>
  18
  19 #include <AIS_InteractiveObject.hxx>
  20 #include <AIS_LengthDimension.hxx>
  21 #include <AIS_ParallelRelation.hxx>
  22 #include <AIS_PerpendicularRelation.hxx>
  23 #include <AIS_RadiusDimension.hxx>
  24 #include <AIS_Shape.hxx>
  25
  26
  27 const int CONSTRAINT_TEXT_HEIGHT = 28; /// the text height of the constraint
  28 const int CONSTRAINT_TEXT_SELECTION_TOLERANCE = 20; /// the text selection tolerance
  29
  30 // Initialization of color constants
  31 int Colors::COLOR_BROWN = Quantity_NOC_BROWN;
  32
  33
  34 GeomAPI_AISObject::GeomAPI_AISObject()
  35   : GeomAPI_Interface(new Handle(AIS_InteractiveObject)())
  36 {
  37 }
  38
  39 void GeomAPI_AISObject::createShape(boost::shared_ptr<GeomAPI_Shape> theShape)
  40 {
  41   const TopoDS_Shape& aTDS = (theShape && theShape->implPtr<TopoDS_Shape>()) ?
  42                              theShape->impl<TopoDS_Shape>() : TopoDS_Shape();
  43
  44   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
  45   if (!anAIS.IsNull())
  46   {
  47     Handle(AIS_Shape) aShapeAIS = Handle(AIS_Shape)::DownCast(anAIS);
  48     if (aShapeAIS)
  49     {
  50       // if the AIS object is displayed in the opened local context in some mode, additional
  51       // AIS sub objects are created there. They should be rebuild for correct selecting.
  52       // It is possible to correct it by closing local context before the shape set and opening
  53       // after. Another workaround to thrown down the selection and reselecting the AIS.
  54       // If there was a problem here, try the first solution with close/open local context.
  55
  56       aShapeAIS->Set(aTDS);
  57       aShapeAIS->Redisplay(Standard_True);
  58     }
  59   }
  60   else
  61     setImpl(new Handle(AIS_InteractiveObject)(new AIS_Shape(aTDS)));
  62 }
  63
  64
  65 void GeomAPI_AISObject::createDistance(boost::shared_ptr<GeomAPI_Pnt> theStartPoint,
  66                                        boost::shared_ptr<GeomAPI_Pnt> theEndPoint,
  67                                        boost::shared_ptr<GeomAPI_Pnt> theFlyoutPoint,
  68                                        boost::shared_ptr<GeomAPI_Pln> thePlane,
  69                                        double                         theDistance)
  70 {
  71   double aFlyout = 0;
  72   if (theFlyoutPoint)
  73   {
  74     boost::shared_ptr<GeomAPI_Lin> aLine =
  75       boost::shared_ptr<GeomAPI_Lin>(new GeomAPI_Lin(theStartPoint, theEndPoint));
  76     double aDist = aLine->distance(theFlyoutPoint);
  77
  78     boost::shared_ptr<GeomAPI_XYZ> aLineDir = theEndPoint->xyz()->decreased(theStartPoint->xyz());
  79     boost::shared_ptr<GeomAPI_XYZ> aFOutDir = theFlyoutPoint->xyz()->decreased(theStartPoint->xyz());
  80     boost::shared_ptr<GeomAPI_XYZ> aNorm = thePlane->direction()->xyz();
  81     if (aLineDir->cross(aFOutDir)->dot(aNorm) < 0)
  82       aDist = -aDist;
  83     aFlyout = aDist;
  84   }
  85
  86   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
  87   if (anAIS.IsNull())
  88   {
  89     Handle(AIS_LengthDimension) aDimAIS = new AIS_LengthDimension(
  90       theStartPoint->impl<gp_Pnt>(), theEndPoint->impl<gp_Pnt>(), thePlane->impl<gp_Pln>());
  91     aDimAIS->SetCustomValue(theDistance);
  92
  93     Handle(Prs3d_DimensionAspect) anAspect = new Prs3d_DimensionAspect();
  94     anAspect->MakeArrows3d (Standard_False);
  95     anAspect->MakeText3d(false);
  96     anAspect->TextAspect()->SetHeight(CONSTRAINT_TEXT_HEIGHT);
  97     anAspect->MakeTextShaded(false);
  98     aDimAIS->DimensionAspect()->MakeUnitsDisplayed(false);
  99     aDimAIS->SetDimensionAspect(anAspect);
 100     aDimAIS->SetSelToleranceForText2d(CONSTRAINT_TEXT_SELECTION_TOLERANCE);
 101     aDimAIS->SetFlyout(aFlyout);
 102
 103     setImpl(new Handle(AIS_InteractiveObject)(aDimAIS));
 104   }
 105   else {
 106     // update presentation
 107     Handle(AIS_LengthDimension) aDimAIS = Handle(AIS_LengthDimension)::DownCast(anAIS);
 108     if (!aDimAIS.IsNull()) {
 109       aDimAIS->SetMeasuredGeometry(theStartPoint->impl<gp_Pnt>(), theEndPoint->impl<gp_Pnt>(),
 110                                    thePlane->impl<gp_Pln>());
 111       aDimAIS->SetCustomValue(theDistance);
 112       aDimAIS->SetFlyout(aFlyout);
 113
 114       aDimAIS->Redisplay(Standard_True);
 115     }
 116   }
 117 }
 118
 119 void GeomAPI_AISObject::createRadius(boost::shared_ptr<GeomAPI_Circ> theCircle,
 120                                      boost::shared_ptr<GeomAPI_Pnt>  theFlyoutPoint,
 121                                      double                          theRadius)
 122 {
 123   boost::shared_ptr<GeomAPI_Pnt> aCenter = theCircle->center();
 124
 125   // TODO: a bug in AIS_RadiusDimension:
 126   // The anchor point can't be myCirc.Location() - an exception is raised.
 127   // But we need exactly this case...
 128   // We want to show a radius dimension starting from the circle centre and
 129   // ending at the user-defined point.
 130   // Also, if anchor point coincides with myP2, the radius dimension is not displayed at all.
 131   boost::shared_ptr<GeomAPI_Pnt> anAnchor = theCircle->project(theFlyoutPoint);
 132   boost::shared_ptr<GeomAPI_XYZ> anAnchorXYZ = anAnchor->xyz();
 133   anAnchorXYZ = anAnchorXYZ->decreased(aCenter->xyz());
 134   boost::shared_ptr<GeomAPI_Dir> aDeltaDir(new GeomAPI_Dir(anAnchorXYZ));
 135   const double aDelta = 1e-3;
 136   anAnchor->setX(anAnchor->x() + aDelta * aDeltaDir->x());
 137   anAnchor->setY(anAnchor->y() + aDelta * aDeltaDir->y());
 138   anAnchor->setZ(anAnchor->z() + aDelta * aDeltaDir->z());
 139
 140   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
 141   if (anAIS.IsNull())
 142   {
 143     Handle(AIS_RadiusDimension) aDimAIS =
 144       new AIS_RadiusDimension(theCircle->impl<gp_Circ>(), anAnchor->impl<gp_Pnt>());
 145     aDimAIS->SetCustomValue(theRadius);
 146
 147     Handle(Prs3d_DimensionAspect) anAspect = new Prs3d_DimensionAspect();
 148     anAspect->MakeArrows3d (Standard_False);
 149     anAspect->MakeText3d(false);
 150     anAspect->TextAspect()->SetHeight(CONSTRAINT_TEXT_HEIGHT);
 151     anAspect->MakeTextShaded(false);
 152     aDimAIS->DimensionAspect()->MakeUnitsDisplayed(false);
 153     aDimAIS->SetDimensionAspect (anAspect);
 154     aDimAIS->SetSelToleranceForText2d(CONSTRAINT_TEXT_SELECTION_TOLERANCE);
 155
 156     setImpl(new Handle(AIS_InteractiveObject)(aDimAIS));
 157   }
 158   else
 159   {
 160     // update presentation
 161     Handle(AIS_RadiusDimension) aDimAIS = Handle(AIS_RadiusDimension)::DownCast(anAIS);
 162     if (!aDimAIS.IsNull())
 163     {
 164       aDimAIS->SetMeasuredGeometry(theCircle->impl<gp_Circ>(), anAnchor->impl<gp_Pnt>());
 165       aDimAIS->SetCustomValue(theRadius);
 166       aDimAIS->Redisplay(Standard_True);
 167     }
 168   }
 169 }
 170
 171 void GeomAPI_AISObject::createParallel(boost::shared_ptr<GeomAPI_Shape> theLine1,
 172                                        boost::shared_ptr<GeomAPI_Shape> theLine2,
 173                                        boost::shared_ptr<GeomAPI_Pnt>   theFlyoutPoint,
 174                                        boost::shared_ptr<GeomAPI_Pln>   thePlane)
 175 {
 176   Handle(Geom_Plane) aPlane = new Geom_Plane(thePlane->impl<gp_Pln>());
 177   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
 178   if (anAIS.IsNull())
 179   {
 180     Handle(AIS_ParallelRelation) aParallel =
 181       new AIS_ParallelRelation(theLine1->impl<TopoDS_Shape>(), theLine2->impl<TopoDS_Shape>(), aPlane);
 182     if (theFlyoutPoint)
 183       aParallel->SetPosition(theFlyoutPoint->impl<gp_Pnt>());
 184
 185     setImpl(new Handle(AIS_InteractiveObject)(aParallel));
 186   }
 187   else
 188   {
 189     Handle(AIS_ParallelRelation) aParallel = Handle(AIS_ParallelRelation)::DownCast(anAIS);
 190     if (!aParallel.IsNull())
 191     {
 192       aParallel->SetFirstShape(theLine1->impl<TopoDS_Shape>());
 193       aParallel->SetSecondShape(theLine2->impl<TopoDS_Shape>());
 194       aParallel->SetPlane(aPlane);
 195       if (theFlyoutPoint)
 196         aParallel->SetPosition(theFlyoutPoint->impl<gp_Pnt>());
 197       aParallel->Redisplay(Standard_True);
 198     }
 199   }
 200 }
 201
 202 void GeomAPI_AISObject::createPerpendicular(boost::shared_ptr<GeomAPI_Shape> theLine1,
 203                                             boost::shared_ptr<GeomAPI_Shape> theLine2,
 204                                             boost::shared_ptr<GeomAPI_Pln>   thePlane)
 205 {
 206   Handle(Geom_Plane) aPlane = new Geom_Plane(thePlane->impl<gp_Pln>());
 207   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
 208   if (anAIS.IsNull())
 209   {
 210     Handle(AIS_PerpendicularRelation) aPerpendicular =
 211       new AIS_PerpendicularRelation(theLine1->impl<TopoDS_Shape>(), theLine2->impl<TopoDS_Shape>(), aPlane);
 212
 213     setImpl(new Handle(AIS_InteractiveObject)(aPerpendicular));
 214   }
 215   else
 216   {
 217     Handle(AIS_PerpendicularRelation) aPerpendicular = Handle(AIS_PerpendicularRelation)::DownCast(anAIS);
 218     if (!aPerpendicular.IsNull())
 219     {
 220       aPerpendicular->SetFirstShape(theLine1->impl<TopoDS_Shape>());
 221       aPerpendicular->SetSecondShape(theLine2->impl<TopoDS_Shape>());
 222       aPerpendicular->SetPlane(aPlane);
 223       aPerpendicular->Redisplay(Standard_True);
 224     }
 225   }
 226 }
 227
 228
 229 void GeomAPI_AISObject::setColor(const int& theColor)
 230 {
 231   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
 232   if (anAIS.IsNull())
 233     return ;
 234   anAIS->SetColor(Quantity_Color((Quantity_NameOfColor)theColor));
 235 }
 236
 237 void GeomAPI_AISObject::setWidth(const double& theWidth)
 238 {
 239   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
 240   if (anAIS.IsNull())
 241     return ;
 242   anAIS->SetWidth(theWidth);
 243 }
 244
 245 bool GeomAPI_AISObject::empty() const
 246 {
 247   Handle(AIS_InteractiveObject) anAIS =
 248     const_cast<GeomAPI_AISObject*>(this)->impl<Handle(AIS_InteractiveObject)>();
 249   if (anAIS.IsNull())
 250     return true;
 251   return false;
 252 }
 253