Issue #2148: Moving an arc displays a circle

[modules/shaper.git] / src / GeomAPI / GeomAPI_AISObject.cpp

diff --git a/src/GeomAPI/GeomAPI_AISObject.cpp b/src/GeomAPI/GeomAPI_AISObject.cpp
index 198a1892631ded1ab512bfaaf282d6f7b9473160..8a3852baaf49ccff4263c87bdf511a44d6f71c16 100644 (file)
--- a/src/GeomAPI/GeomAPI_AISObject.cpp
+++ b/src/GeomAPI/GeomAPI_AISObject.cpp
@@ -44,7 +44,7 @@ GeomAPI_AISObject::GeomAPI_AISObject()
 GeomAPI_AISObject::~GeomAPI_AISObject()
 {
   if (!empty()) {
-    // This is necessary for correct deletion of Handle entity. 
+    // This is necessary for correct deletion of Handle entity.
     // Without this Handle does not decremented counter to 0
     Handle(AIS_InteractiveObject) *anAIS = implPtr<Handle(AIS_InteractiveObject)>();
     anAIS->Nullify();
@@ -75,7 +75,7 @@ void GeomAPI_AISObject::createShape(std::shared_ptr<GeomAPI_Shape> theShape)
     // Set default point as a '+' symbol
     Handle(AIS_Shape) aShape = new AIS_Shape(aTDS);
     Handle(Prs3d_Drawer) aDrawer = aShape->Attributes();
-    if (aDrawer->HasOwnPointAspect()) 
+    if (aDrawer->HasOwnPointAspect())
       aDrawer->PointAspect()->SetTypeOfMarker(Aspect_TOM_PLUS);
     else
       aDrawer->SetPointAspect(new Prs3d_PointAspect(Aspect_TOM_PLUS, Quantity_NOC_YELLOW, 1.));
@@ -181,7 +181,7 @@ void GeomAPI_AISObject::createRadius(std::shared_ptr<GeomAPI_Circ> theCircle,
   // TODO: a bug in AIS_RadiusDimension:
   // The anchor point can't be myCirc.Location() - an exception is raised.
   // But we need exactly this case...
-  // We want to show a radius dimension starting from the circle centre and 
+  // We want to show a radius dimension starting from the circle centre and
   // ending at the user-defined point.
   // Also, if anchor point coincides with myP2, the radius dimension is not displayed at all.
   std::shared_ptr<GeomAPI_Pnt> anAnchor = theCircle->project(theFlyoutPoint);
@@ -316,7 +316,20 @@ void GeomAPI_AISObject::setColor(const int& theColor)
     aDimAIS->DimensionAspect()->SetCommonColor(aColor);
   }
   Handle(AIS_InteractiveContext) aContext = anAIS->GetContext();
-  aContext->SetColor(anAIS, aColor, false);
+  if (!aContext.IsNull())
+    aContext->SetColor(anAIS, aColor, false);
+  else
+    anAIS->SetColor(aColor);
+}
+
+double GeomAPI_AISObject::width()
+{
+  double aWidth = 0.0;
+  Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
+  if (!anAIS.IsNull()) {
+    aWidth = anAIS->Width();
+  }
+  return aWidth;
 }
 
 bool GeomAPI_AISObject::setWidth(const double& theWidth)
@@ -348,7 +361,10 @@ bool GeomAPI_AISObject::setColor(int theR, int theG, int theB)
     aDimAIS->DimensionAspect()->SetCommonColor(aColor);
   }
   Handle(AIS_InteractiveContext) aContext = anAIS->GetContext();
-  aContext->SetColor(anAIS, aColor, false);
+  if (!aContext.IsNull())
+    aContext->SetColor(anAIS, aColor, false);
+  else
+    anAIS->SetColor(aColor);
   return true;
 }
 
@@ -364,6 +380,41 @@ void GeomAPI_AISObject::getColor(int& theR, int& theG, int& theB)
   theB = (int)(aColor.Blue()*255.);
 }
 
+bool GeomAPI_AISObject::setDeflection(const double theDeflection)
+{
+  bool isModified = false;
+  Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
+  if (!anAIS.IsNull()) {
+    Handle(AIS_Shape) anAISShape = Handle(AIS_Shape)::DownCast(anAIS);
+    if (!anAISShape.IsNull()) {
+      Standard_Real aCoefficient, aPreviousCoefficient;
+      anAISShape->OwnDeviationCoefficient(aCoefficient, aPreviousCoefficient);
+      if (fabs(aCoefficient-theDeflection) > Precision::Confusion()) {
+        isModified = true;
+        anAISShape->SetOwnDeviationCoefficient(theDeflection);
+        // redisplay is necessary here to update presentation in all modes
+        // Standard True flag. Displayer uses Standard False flag. If it will be changed in
+        // displayer, redisplay here will not be necessary. But performance should be checked.
+        anAISShape->Redisplay(Standard_True);
+      }
+    }
+  }
+  return isModified;
+}
+
+double GeomAPI_AISObject::getDeflection() const
+{
+  double aDeflection = -1;
+
+  Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
+  if (!anAIS.IsNull()) {
+    Handle(Prs3d_Drawer) aDrawer = anAIS->Attributes();
+    aDeflection = aDrawer->DeviationCoefficient();
+  }
+  return aDeflection;
+}
+
+
 bool GeomAPI_AISObject::empty() const
 {
   Handle(AIS_InteractiveObject) anAIS = const_cast<GeomAPI_AISObject*>(this)
@@ -419,13 +470,13 @@ bool GeomAPI_AISObject::setLineStyle(int theStyle)
     if (aDrawer->HasOwnWireAspect()) {
       aLineAspect = aDrawer->WireAspect();
     }
-    Quantity_Color aCurrentColor;
-    Aspect_TypeOfLine aCurrentType;
-    Standard_Real aCurrentWidth;
-    aLineAspect->Aspect()->Values(aCurrentColor, aCurrentType, aCurrentWidth);
-    isChanged = aType != aCurrentType;
-    if (isChanged) {
-      aLineAspect->SetTypeOfLine(aType);
+    if (!aLineAspect.IsNull()) {
+      Handle(Graphic3d_AspectLine3d) aGraphicAspect = aLineAspect->Aspect();
+      Aspect_TypeOfLine aCurrentType = aGraphicAspect->Type();
+      isChanged = aType != aCurrentType;
+      if (isChanged) {
+        aLineAspect->SetTypeOfLine(aType);
+      }
     }
   }
   return isChanged;