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 double tolerance = 1e-7;
  27
  28 const int CONSTRAINT_TEXT_HEIGHT = 28;  /// the text height of the constraint
  29 const int CONSTRAINT_TEXT_SELECTION_TOLERANCE = 20;  /// the text selection tolerance
  30
  31 // Initialization of color constants
  32 int Colors::COLOR_BROWN = Quantity_NOC_BROWN;
  33 int Colors::COLOR_RED = Quantity_NOC_RED;
  34 int Colors::COLOR_GREEN = Quantity_NOC_GREEN;
  35 int Colors::COLOR_BLUE = Quantity_NOC_BLUE1;
  36
  37 GeomAPI_AISObject::GeomAPI_AISObject()
  38     : GeomAPI_Interface(new Handle(AIS_InteractiveObject)())
  39 {
  40 }
  41
  42 void GeomAPI_AISObject::createShape(boost::shared_ptr<GeomAPI_Shape> theShape)
  43 {
  44   const TopoDS_Shape& aTDS =
  45       (theShape && theShape->implPtr<TopoDS_Shape>()) ?
  46           theShape->impl<TopoDS_Shape>() : TopoDS_Shape();
  47
  48   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
  49   if (!anAIS.IsNull()) {
  50     Handle(AIS_Shape) aShapeAIS = Handle(AIS_Shape)::DownCast(anAIS);
  51     if (aShapeAIS) {
  52       // if the AIS object is displayed in the opened local context in some mode, additional
  53       // AIS sub objects are created there. They should be rebuild for correct selecting.
  54       // It is possible to correct it by closing local context before the shape set and opening
  55       // after. Another workaround to thrown down the selection and reselecting the AIS.
  56       // If there was a problem here, try the first solution with close/open local context.
  57
  58       aShapeAIS->Set(aTDS);
  59       aShapeAIS->Redisplay(Standard_True);
  60     }
  61   } else
  62     setImpl(new Handle(AIS_InteractiveObject)(new AIS_Shape(aTDS)));
  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, double theDistance)
  69 {
  70   double aFlyout = 0;
  71   if (theFlyoutPoint) {
  72     double aDist = 0.0;
  73     if (theStartPoint->distance(theEndPoint) < tolerance)
  74       aDist = theStartPoint->distance(theFlyoutPoint);
  75     else {
  76       boost::shared_ptr<GeomAPI_Lin> aLine = boost::shared_ptr<GeomAPI_Lin>(
  77           new GeomAPI_Lin(theStartPoint, theEndPoint));
  78       aDist = aLine->distance(theFlyoutPoint);
  79     }
  80
  81     boost::shared_ptr<GeomAPI_XYZ> aLineDir = theEndPoint->xyz()->decreased(theStartPoint->xyz());
  82     boost::shared_ptr<GeomAPI_XYZ> aFOutDir = theFlyoutPoint->xyz()->decreased(
  83         theStartPoint->xyz());
  84     boost::shared_ptr<GeomAPI_XYZ> aNorm = thePlane->direction()->xyz();
  85     if (aLineDir->cross(aFOutDir)->dot(aNorm) < 0)
  86       aDist = -aDist;
  87     aFlyout = aDist;
  88   }
  89
  90   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
  91   if (anAIS.IsNull()) {
  92     Handle(AIS_LengthDimension) aDimAIS = new AIS_LengthDimension(theStartPoint->impl<gp_Pnt>(),
  93                                                                   theEndPoint->impl<gp_Pnt>(),
  94                                                                   thePlane->impl<gp_Pln>());
  95     aDimAIS->SetCustomValue(theDistance);
  96
  97     Handle(Prs3d_DimensionAspect) anAspect = new Prs3d_DimensionAspect();
  98     anAspect->MakeArrows3d(Standard_False);
  99     anAspect->MakeText3d(false);
 100     anAspect->TextAspect()->SetHeight(CONSTRAINT_TEXT_HEIGHT);
 101     anAspect->MakeTextShaded(false);
 102     anAspect->ArrowAspect()->SetLength(theDistance / 10.);
 103     aDimAIS->DimensionAspect()->MakeUnitsDisplayed(false);
 104     aDimAIS->SetDimensionAspect(anAspect);
 105     aDimAIS->SetSelToleranceForText2d(CONSTRAINT_TEXT_SELECTION_TOLERANCE);
 106     aDimAIS->SetFlyout(aFlyout);
 107
 108     setImpl(new Handle(AIS_InteractiveObject)(aDimAIS));
 109   } else {
 110     // update presentation
 111     Handle(AIS_LengthDimension) aDimAIS = Handle(AIS_LengthDimension)::DownCast(anAIS);
 112     if (!aDimAIS.IsNull()) {
 113       aDimAIS->SetMeasuredGeometry(theStartPoint->impl<gp_Pnt>(), theEndPoint->impl<gp_Pnt>(),
 114                                    thePlane->impl<gp_Pln>());
 115       aDimAIS->SetCustomValue(theDistance);
 116       aDimAIS->SetFlyout(aFlyout);
 117
 118       aDimAIS->Redisplay(Standard_True);
 119     }
 120   }
 121 }
 122
 123 void GeomAPI_AISObject::createRadius(boost::shared_ptr<GeomAPI_Circ> theCircle,
 124                                      boost::shared_ptr<GeomAPI_Pnt> theFlyoutPoint,
 125                                      double theRadius)
 126 {
 127   boost::shared_ptr<GeomAPI_Pnt> aCenter = theCircle->center();
 128
 129   // TODO: a bug in AIS_RadiusDimension:
 130   // The anchor point can't be myCirc.Location() - an exception is raised.
 131   // But we need exactly this case...
 132   // We want to show a radius dimension starting from the circle centre and
 133   // ending at the user-defined point.
 134   // Also, if anchor point coincides with myP2, the radius dimension is not displayed at all.
 135   boost::shared_ptr<GeomAPI_Pnt> anAnchor = theCircle->project(theFlyoutPoint);
 136   boost::shared_ptr<GeomAPI_XYZ> anAnchorXYZ = anAnchor->xyz();
 137   anAnchorXYZ = anAnchorXYZ->decreased(aCenter->xyz());
 138   boost::shared_ptr<GeomAPI_Dir> aDeltaDir(new GeomAPI_Dir(anAnchorXYZ));
 139   const double aDelta = 1e-3;
 140   anAnchor->setX(anAnchor->x() + aDelta * aDeltaDir->x());
 141   anAnchor->setY(anAnchor->y() + aDelta * aDeltaDir->y());
 142   anAnchor->setZ(anAnchor->z() + aDelta * aDeltaDir->z());
 143
 144   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
 145   if (anAIS.IsNull()) {
 146     Handle(AIS_RadiusDimension) aDimAIS = new AIS_RadiusDimension(theCircle->impl<gp_Circ>(),
 147                                                                   anAnchor->impl<gp_Pnt>());
 148     aDimAIS->SetCustomValue(theRadius);
 149
 150     Handle(Prs3d_DimensionAspect) anAspect = new Prs3d_DimensionAspect();
 151     anAspect->MakeArrows3d(Standard_False);
 152     anAspect->MakeText3d(false);
 153     anAspect->TextAspect()->SetHeight(CONSTRAINT_TEXT_HEIGHT);
 154     anAspect->ArrowAspect()->SetLength(theRadius / 5.);
 155     anAspect->MakeTextShaded(false);
 156     aDimAIS->DimensionAspect()->MakeUnitsDisplayed(false);
 157     aDimAIS->SetDimensionAspect(anAspect);
 158     aDimAIS->SetSelToleranceForText2d(CONSTRAINT_TEXT_SELECTION_TOLERANCE);
 159
 160     setImpl(new Handle(AIS_InteractiveObject)(aDimAIS));
 161   } else {
 162     // update presentation
 163     Handle(AIS_RadiusDimension) aDimAIS = Handle(AIS_RadiusDimension)::DownCast(anAIS);
 164     if (!aDimAIS.IsNull()) {
 165       aDimAIS->SetMeasuredGeometry(theCircle->impl<gp_Circ>(), anAnchor->impl<gp_Pnt>());
 166       aDimAIS->SetCustomValue(theRadius);
 167       aDimAIS->Redisplay(Standard_True);
 168     }
 169   }
 170 }
 171
 172 void GeomAPI_AISObject::createParallel(boost::shared_ptr<GeomAPI_Shape> theLine1,
 173                                        boost::shared_ptr<GeomAPI_Shape> theLine2,
 174                                        boost::shared_ptr<GeomAPI_Pnt> theFlyoutPoint,
 175                                        boost::shared_ptr<GeomAPI_Pln> thePlane)
 176 {
 177   Handle(Geom_Plane) aPlane = new Geom_Plane(thePlane->impl<gp_Pln>());
 178   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
 179   if (anAIS.IsNull()) {
 180     Handle(AIS_ParallelRelation) aParallel = new AIS_ParallelRelation(
 181         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   } else {
 187     Handle(AIS_ParallelRelation) aParallel = Handle(AIS_ParallelRelation)::DownCast(anAIS);
 188     if (!aParallel.IsNull()) {
 189       aParallel->SetFirstShape(theLine1->impl<TopoDS_Shape>());
 190       aParallel->SetSecondShape(theLine2->impl<TopoDS_Shape>());
 191       aParallel->SetPlane(aPlane);
 192       if (theFlyoutPoint)
 193         aParallel->SetPosition(theFlyoutPoint->impl<gp_Pnt>());
 194       aParallel->Redisplay(Standard_True);
 195     }
 196   }
 197 }
 198
 199 void GeomAPI_AISObject::createPerpendicular(boost::shared_ptr<GeomAPI_Shape> theLine1,
 200                                             boost::shared_ptr<GeomAPI_Shape> theLine2,
 201                                             boost::shared_ptr<GeomAPI_Pln> thePlane)
 202 {
 203   Handle(Geom_Plane) aPlane = new Geom_Plane(thePlane->impl<gp_Pln>());
 204   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
 205   if (anAIS.IsNull()) {
 206     Handle(AIS_PerpendicularRelation) aPerpendicular = new AIS_PerpendicularRelation(
 207         theLine1->impl<TopoDS_Shape>(), theLine2->impl<TopoDS_Shape>(), aPlane);
 208
 209     setImpl(new Handle(AIS_InteractiveObject)(aPerpendicular));
 210   } else {
 211     Handle(AIS_PerpendicularRelation) aPerpendicular = Handle(AIS_PerpendicularRelation)::DownCast(
 212         anAIS);
 213     if (!aPerpendicular.IsNull()) {
 214       aPerpendicular->SetFirstShape(theLine1->impl<TopoDS_Shape>());
 215       aPerpendicular->SetSecondShape(theLine2->impl<TopoDS_Shape>());
 216       aPerpendicular->SetPlane(aPlane);
 217       aPerpendicular->Redisplay(Standard_True);
 218     }
 219   }
 220 }
 221
 222 void GeomAPI_AISObject::setColor(const int& theColor)
 223 {
 224   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
 225   if (anAIS.IsNull())
 226     return;
 227   Quantity_Color aColor((Quantity_NameOfColor) theColor);
 228   anAIS->SetColor(aColor);
 229   Handle(AIS_Dimension) aDimAIS = Handle(AIS_Dimension)::DownCast(anAIS);
 230   if (!aDimAIS.IsNull()) {
 231     aDimAIS->DimensionAspect()->SetCommonColor(aColor);
 232   }
 233 }
 234
 235 void GeomAPI_AISObject::setWidth(const double& theWidth)
 236 {
 237   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
 238   if (anAIS.IsNull())
 239     return;
 240   anAIS->SetWidth(theWidth);
 241 }
 242
 243 void GeomAPI_AISObject::setColor(int theR, int theG, int theB)
 244 {
 245   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
 246   if (anAIS.IsNull())
 247     return;
 248   Quantity_Color aColor(theR / 255., theG / 255., theB / 255., Quantity_TOC_RGB);
 249   anAIS->SetColor(aColor);
 250   Handle(AIS_Dimension) aDimAIS = Handle(AIS_Dimension)::DownCast(anAIS);
 251   if (!aDimAIS.IsNull()) {
 252     aDimAIS->DimensionAspect()->SetCommonColor(aColor);
 253   }
 254 }
 255
 256 bool GeomAPI_AISObject::empty() const
 257 {
 258   Handle(AIS_InteractiveObject) anAIS = const_cast<GeomAPI_AISObject*>(this)
 259       ->impl<Handle(AIS_InteractiveObject)>();
 260   if (anAIS.IsNull())
 261     return true;
 262   return false;
 263 }
 264