X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FSketcherPrs%2FSketcherPrs_Tangent.cpp;h=09fa6810969a7673009619641eac5509701e2d34;hb=c695a96b97d29fef995466f2ff5bbd4eb7f87364;hp=bbee898f92e735037e25243449d0f4a4991b4497;hpb=7b9e257dacdb4564754c3bcd0c35817e73a3989c;p=modules%2Fshaper.git

diff --git a/src/SketcherPrs/SketcherPrs_Tangent.cpp b/src/SketcherPrs/SketcherPrs_Tangent.cpp
index bbee898f9..09fa68109 100644
--- a/src/SketcherPrs/SketcherPrs_Tangent.cpp
+++ b/src/SketcherPrs/SketcherPrs_Tangent.cpp
@@ -23,24 +23,39 @@ IMPLEMENT_STANDARD_RTTIEXT(SketcherPrs_Tangent, SketcherPrs_SymbolPrs);
 
 static Handle(Image_AlienPixMap) MyPixMap;
 
-SketcherPrs_Tangent::SketcherPrs_Tangent(SketchPlugin_Constraint* theConstraint, 
+SketcherPrs_Tangent::SketcherPrs_Tangent(ModelAPI_Feature* theConstraint, 
                                            const std::shared_ptr<GeomAPI_Ax3>& thePlane) 
  : SketcherPrs_SymbolPrs(theConstraint, thePlane)
 {
+  // Init default points
   myPntArray = new Graphic3d_ArrayOfPoints(2);
   myPntArray->AddVertex(0., 0., 0.);
   myPntArray->AddVertex(0., 0., 0.);
 }  
 
-bool SketcherPrs_Tangent::updatePoints(double theStep) const
+bool SketcherPrs_Tangent::IsReadyToDisplay(ModelAPI_Feature* theConstraint,
+                                           const std::shared_ptr<GeomAPI_Ax3>&/* thePlane*/)
 {
+  bool aReadyToDisplay = false;
+
+  ObjectPtr aObj1 = SketcherPrs_Tools::getResult(theConstraint, SketchPlugin_Constraint::ENTITY_A());
+  ObjectPtr aObj2 = SketcherPrs_Tools::getResult(theConstraint, SketchPlugin_Constraint::ENTITY_B());
+
+  aReadyToDisplay = SketcherPrs_Tools::getShape(aObj1).get() != NULL &&
+                    SketcherPrs_Tools::getShape(aObj2).get() != NULL;
+
+  return aReadyToDisplay;
+}
+
+bool SketcherPrs_Tangent::updateIfReadyToDisplay(double theStep) const
+{
+  if (!IsReadyToDisplay(myConstraint, myPlane))
+    return false;
+
   ObjectPtr aObj1 = SketcherPrs_Tools::getResult(myConstraint, SketchPlugin_Constraint::ENTITY_A());
   ObjectPtr aObj2 = SketcherPrs_Tools::getResult(myConstraint, SketchPlugin_Constraint::ENTITY_B());
-  if (SketcherPrs_Tools::getShape(aObj1).get() == NULL)
-    return false;
-  if (SketcherPrs_Tools::getShape(aObj2).get() == NULL)
-    return false;
 
+  // Compute points coordinates
   SketcherPrs_PositionMgr* aMgr = SketcherPrs_PositionMgr::get();
   gp_Pnt aP1 = aMgr->getPosition(aObj1, this, theStep);
   gp_Pnt aP2 = aMgr->getPosition(aObj2, this, theStep);
@@ -64,23 +79,7 @@ void SketcherPrs_Tangent::drawLines(const Handle(Prs3d_Presentation)& thePrs, Qu
 
   if ((aShape1.get() == NULL) || (aShape2.get() == NULL))
     return;
-
-  std::shared_ptr<GeomAPI_Curve> aCurve1 = std::shared_ptr<GeomAPI_Curve>(new GeomAPI_Curve(aShape1));
-  std::shared_ptr<GeomAPI_Curve> aCurve2 = std::shared_ptr<GeomAPI_Curve>(new GeomAPI_Curve(aShape2));
-  if (aCurve1->isCircle() && aCurve2->isLine()) {
-    addLine(aGroup, SketchPlugin_Constraint::ENTITY_B());
-    GeomAdaptor_Curve aAdaptor(aCurve1->impl<Handle(Geom_Curve)>(), aCurve1->startParam(), aCurve1->endParam());
-    StdPrs_DeflectionCurve::Add(thePrs,aAdaptor,myDrawer);
-  } else if (aCurve1->isLine() && aCurve2->isCircle()) {
-    addLine(aGroup, SketchPlugin_Constraint::ENTITY_A());
-    GeomAdaptor_Curve aAdaptor(aCurve2->impl<Handle(Geom_Curve)>(), aCurve2->startParam(), aCurve2->endParam());
-    StdPrs_DeflectionCurve::Add(thePrs,aAdaptor,myDrawer);
-  } else {
-    // Both curves are arcs
-    GeomAdaptor_Curve aAdaptor1(aCurve1->impl<Handle(Geom_Curve)>(), aCurve1->startParam(), aCurve1->endParam());
-    StdPrs_DeflectionCurve::Add(thePrs, aAdaptor1, myDrawer);
-    GeomAdaptor_Curve aAdaptor2(aCurve2->impl<Handle(Geom_Curve)>(), aCurve2->startParam(), aCurve2->endParam());
-    StdPrs_DeflectionCurve::Add(thePrs, aAdaptor2, myDrawer);
-  }
+  drawShape(aShape1, thePrs);
+  drawShape(aShape2, thePrs);
 }