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 const int CONSTRAINT_TEXT_HEIGHT = 28;  /// the text height of the constraint
  27 const int CONSTRAINT_TEXT_SELECTION_TOLERANCE = 20;  /// the text selection tolerance
  28
  29 // Initialization of color constants
  30 int Colors::COLOR_BROWN = Quantity_NOC_BROWN;
  31 int Colors::COLOR_RED = Quantity_NOC_RED;
  32 int Colors::COLOR_GREEN = Quantity_NOC_GREEN;
  33 int Colors::COLOR_BLUE = Quantity_NOC_BLUE1;
  34
  35 GeomAPI_AISObject::GeomAPI_AISObject()
  36     : GeomAPI_Interface(new Handle(AIS_InteractiveObject)())
  37 {
  38 }
  39
  40 void GeomAPI_AISObject::createShape(boost::shared_ptr<GeomAPI_Shape> theShape)
  41 {
  42   const TopoDS_Shape& aTDS =
  43       (theShape && theShape->implPtr<TopoDS_Shape>()) ?
  44           theShape->impl<TopoDS_Shape>() : TopoDS_Shape();
  45
  46   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
  47   if (!anAIS.IsNull()) {
  48     Handle(AIS_Shape) aShapeAIS = Handle(AIS_Shape)::DownCast(anAIS);
  49     if (aShapeAIS) {
  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   } else
  60     setImpl(new Handle(AIS_InteractiveObject)(new AIS_Shape(aTDS)));
  61 }
  62
  63 void GeomAPI_AISObject::createDistance(boost::shared_ptr<GeomAPI_Pnt> theStartPoint,
  64                                        boost::shared_ptr<GeomAPI_Pnt> theEndPoint,
  65                                        boost::shared_ptr<GeomAPI_Pnt> theFlyoutPoint,
  66                                        boost::shared_ptr<GeomAPI_Pln> thePlane, double theDistance)
  67 {
  68   double aFlyout = 0;
  69   if (theFlyoutPoint) {
  70     boost::shared_ptr<GeomAPI_Lin> aLine = boost::shared_ptr<GeomAPI_Lin>(
  71         new GeomAPI_Lin(theStartPoint, theEndPoint));
  72     double aDist = aLine->distance(theFlyoutPoint);
  73
  74     boost::shared_ptr<GeomAPI_XYZ> aLineDir = theEndPoint->xyz()->decreased(theStartPoint->xyz());
  75     boost::shared_ptr<GeomAPI_XYZ> aFOutDir = theFlyoutPoint->xyz()->decreased(
  76         theStartPoint->xyz());
  77     boost::shared_ptr<GeomAPI_XYZ> aNorm = thePlane->direction()->xyz();
  78     if (aLineDir->cross(aFOutDir)->dot(aNorm) < 0)
  79       aDist = -aDist;
  80     aFlyout = aDist;
  81   }
  82
  83   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
  84   if (anAIS.IsNull()) {
  85     Handle(AIS_LengthDimension) aDimAIS = new AIS_LengthDimension(theStartPoint->impl<gp_Pnt>(),
  86                                                                   theEndPoint->impl<gp_Pnt>(),
  87                                                                   thePlane->impl<gp_Pln>());
  88     aDimAIS->SetCustomValue(theDistance);
  89
  90     Handle(Prs3d_DimensionAspect) anAspect = new Prs3d_DimensionAspect();
  91     anAspect->MakeArrows3d(Standard_False);
  92     anAspect->MakeText3d(false);
  93     anAspect->TextAspect()->SetHeight(CONSTRAINT_TEXT_HEIGHT);
  94     anAspect->MakeTextShaded(false);
  95     aDimAIS->DimensionAspect()->MakeUnitsDisplayed(false);
  96     aDimAIS->SetDimensionAspect(anAspect);
  97     aDimAIS->SetSelToleranceForText2d(CONSTRAINT_TEXT_SELECTION_TOLERANCE);
  98     aDimAIS->SetFlyout(aFlyout);
  99
 100     setImpl(new Handle(AIS_InteractiveObject)(aDimAIS));
 101   } else {
 102     // update presentation
 103     Handle(AIS_LengthDimension) aDimAIS = Handle(AIS_LengthDimension)::DownCast(anAIS);
 104     if (!aDimAIS.IsNull()) {
 105       aDimAIS->SetMeasuredGeometry(theStartPoint->impl<gp_Pnt>(), theEndPoint->impl<gp_Pnt>(),
 106                                    thePlane->impl<gp_Pln>());
 107       aDimAIS->SetCustomValue(theDistance);
 108       aDimAIS->SetFlyout(aFlyout);
 109
 110       aDimAIS->Redisplay(Standard_True);
 111     }
 112   }
 113 }
 114
 115 void GeomAPI_AISObject::createRadius(boost::shared_ptr<GeomAPI_Circ> theCircle,
 116                                      boost::shared_ptr<GeomAPI_Pnt> theFlyoutPoint,
 117                                      double theRadius)
 118 {
 119   boost::shared_ptr<GeomAPI_Pnt> aCenter = theCircle->center();
 120
 121   // TODO: a bug in AIS_RadiusDimension:
 122   // The anchor point can't be myCirc.Location() - an exception is raised.
 123   // But we need exactly this case...
 124   // We want to show a radius dimension starting from the circle centre and
 125   // ending at the user-defined point.
 126   // Also, if anchor point coincides with myP2, the radius dimension is not displayed at all.
 127   boost::shared_ptr<GeomAPI_Pnt> anAnchor = theCircle->project(theFlyoutPoint);
 128   boost::shared_ptr<GeomAPI_XYZ> anAnchorXYZ = anAnchor->xyz();
 129   anAnchorXYZ = anAnchorXYZ->decreased(aCenter->xyz());
 130   boost::shared_ptr<GeomAPI_Dir> aDeltaDir(new GeomAPI_Dir(anAnchorXYZ));
 131   const double aDelta = 1e-3;
 132   anAnchor->setX(anAnchor->x() + aDelta * aDeltaDir->x());
 133   anAnchor->setY(anAnchor->y() + aDelta * aDeltaDir->y());
 134   anAnchor->setZ(anAnchor->z() + aDelta * aDeltaDir->z());
 135
 136   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
 137   if (anAIS.IsNull()) {
 138     Handle(AIS_RadiusDimension) aDimAIS = new AIS_RadiusDimension(theCircle->impl<gp_Circ>(),
 139                                                                   anAnchor->impl<gp_Pnt>());
 140     aDimAIS->SetCustomValue(theRadius);
 141
 142     Handle(Prs3d_DimensionAspect) anAspect = new Prs3d_DimensionAspect();
 143     anAspect->MakeArrows3d(Standard_False);
 144     anAspect->MakeText3d(false);
 145     anAspect->TextAspect()->SetHeight(CONSTRAINT_TEXT_HEIGHT);
 146     anAspect->MakeTextShaded(false);
 147     aDimAIS->DimensionAspect()->MakeUnitsDisplayed(false);
 148     aDimAIS->SetDimensionAspect(anAspect);
 149     aDimAIS->SetSelToleranceForText2d(CONSTRAINT_TEXT_SELECTION_TOLERANCE);
 150
 151     setImpl(new Handle(AIS_InteractiveObject)(aDimAIS));
 152   } else {
 153     // update presentation
 154     Handle(AIS_RadiusDimension) aDimAIS = Handle(AIS_RadiusDimension)::DownCast(anAIS);
 155     if (!aDimAIS.IsNull()) {
 156       aDimAIS->SetMeasuredGeometry(theCircle->impl<gp_Circ>(), anAnchor->impl<gp_Pnt>());
 157       aDimAIS->SetCustomValue(theRadius);
 158       aDimAIS->Redisplay(Standard_True);
 159     }
 160   }
 161 }
 162
 163 void GeomAPI_AISObject::createParallel(boost::shared_ptr<GeomAPI_Shape> theLine1,
 164                                        boost::shared_ptr<GeomAPI_Shape> theLine2,
 165                                        boost::shared_ptr<GeomAPI_Pnt> theFlyoutPoint,
 166                                        boost::shared_ptr<GeomAPI_Pln> thePlane)
 167 {
 168   Handle(Geom_Plane) aPlane = new Geom_Plane(thePlane->impl<gp_Pln>());
 169   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
 170   if (anAIS.IsNull()) {
 171     Handle(AIS_ParallelRelation) aParallel = new AIS_ParallelRelation(
 172         theLine1->impl<TopoDS_Shape>(), theLine2->impl<TopoDS_Shape>(), aPlane);
 173     if (theFlyoutPoint)
 174       aParallel->SetPosition(theFlyoutPoint->impl<gp_Pnt>());
 175
 176     setImpl(new Handle(AIS_InteractiveObject)(aParallel));
 177   } else {
 178     Handle(AIS_ParallelRelation) aParallel = Handle(AIS_ParallelRelation)::DownCast(anAIS);
 179     if (!aParallel.IsNull()) {
 180       aParallel->SetFirstShape(theLine1->impl<TopoDS_Shape>());
 181       aParallel->SetSecondShape(theLine2->impl<TopoDS_Shape>());
 182       aParallel->SetPlane(aPlane);
 183       if (theFlyoutPoint)
 184         aParallel->SetPosition(theFlyoutPoint->impl<gp_Pnt>());
 185       aParallel->Redisplay(Standard_True);
 186     }
 187   }
 188 }
 189
 190 void GeomAPI_AISObject::createPerpendicular(boost::shared_ptr<GeomAPI_Shape> theLine1,
 191                                             boost::shared_ptr<GeomAPI_Shape> theLine2,
 192                                             boost::shared_ptr<GeomAPI_Pln> thePlane)
 193 {
 194   Handle(Geom_Plane) aPlane = new Geom_Plane(thePlane->impl<gp_Pln>());
 195   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
 196   if (anAIS.IsNull()) {
 197     Handle(AIS_PerpendicularRelation) aPerpendicular = new AIS_PerpendicularRelation(
 198         theLine1->impl<TopoDS_Shape>(), theLine2->impl<TopoDS_Shape>(), aPlane);
 199
 200     setImpl(new Handle(AIS_InteractiveObject)(aPerpendicular));
 201   } else {
 202     Handle(AIS_PerpendicularRelation) aPerpendicular = Handle(AIS_PerpendicularRelation)::DownCast(
 203         anAIS);
 204     if (!aPerpendicular.IsNull()) {
 205       aPerpendicular->SetFirstShape(theLine1->impl<TopoDS_Shape>());
 206       aPerpendicular->SetSecondShape(theLine2->impl<TopoDS_Shape>());
 207       aPerpendicular->SetPlane(aPlane);
 208       aPerpendicular->Redisplay(Standard_True);
 209     }
 210   }
 211 }
 212
 213 void GeomAPI_AISObject::setColor(const int& theColor)
 214 {
 215   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
 216   if (anAIS.IsNull())
 217     return;
 218   Quantity_Color aColor((Quantity_NameOfColor) theColor);
 219   anAIS->SetColor(aColor);
 220   Handle(AIS_Dimension) aDimAIS = Handle(AIS_Dimension)::DownCast(anAIS);
 221   if (!aDimAIS.IsNull()) {
 222     aDimAIS->DimensionAspect()->SetCommonColor(aColor);
 223   }
 224 }
 225
 226 void GeomAPI_AISObject::setWidth(const double& theWidth)
 227 {
 228   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
 229   if (anAIS.IsNull())
 230     return;
 231   anAIS->SetWidth(theWidth);
 232 }
 233
 234 void GeomAPI_AISObject::setColor(int theR, int theG, int theB)
 235 {
 236   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
 237   if (anAIS.IsNull())
 238     return;
 239   Quantity_Color aColor(theR / 255., theG / 255., theB / 255., Quantity_TOC_RGB);
 240   anAIS->SetColor(aColor);
 241   Handle(AIS_Dimension) aDimAIS = Handle(AIS_Dimension)::DownCast(anAIS);
 242   if (!aDimAIS.IsNull()) {
 243     aDimAIS->DimensionAspect()->SetCommonColor(aColor);
 244   }
 245 }
 246
 247 bool GeomAPI_AISObject::empty() const
 248 {
 249   Handle(AIS_InteractiveObject) anAIS = const_cast<GeomAPI_AISObject*>(this)
 250       ->impl<Handle(AIS_InteractiveObject)>();
 251   if (anAIS.IsNull())
 252     return true;
 253   return false;
 254 }
 255