X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FSketcherPrs%2FSketcherPrs_LengthDimension.cpp;h=24977ecee183754414167f5ef6bf6ea5e1cd766a;hb=497397f795254cb5adf0d727f5858d5aeb16eaf3;hp=6e3db92910475a765ffa4e187f4c19a55aadd42f;hpb=705438fb7ab16ba1608b6b1aeddd546d6311cb77;p=modules%2Fshaper.git

diff --git a/src/SketcherPrs/SketcherPrs_LengthDimension.cpp b/src/SketcherPrs/SketcherPrs_LengthDimension.cpp
index 6e3db9291..24977ecee 100644
--- a/src/SketcherPrs/SketcherPrs_LengthDimension.cpp
+++ b/src/SketcherPrs/SketcherPrs_LengthDimension.cpp
@@ -55,38 +55,18 @@ void SketcherPrs_LengthDimension::Compute(const Handle(PrsMgr_PresentationManage
   gp_Pnt aPnt1, aPnt2;
   if (!getPoints(aPnt1, aPnt2))
     return;
-  //DataPtr aData = myConstraint->data();
-
-  //AttributePtr aFlyOutAttribute = aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT());
-  //if (!aFlyOutAttribute->isInitialized()) {
-  //  return; // not possible to show length because points are not defined
-  //}
-  //std::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr = 
-  //  std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aFlyOutAttribute);
-  //std::shared_ptr<GeomAPI_Pnt> aFlyoutPnt = myPlane->to3D(aFlyOutAttr->x(), aFlyOutAttr->y());
-  //gp_Pnt aFlyPnt = aFlyoutPnt->impl<gp_Pnt>();
-
-  //double aDistance = aPnt1.Distance(aPnt2);
-
-  //double aFlyout = 0;
-  //double aDist = 0.0;
-  //if (aDistance < Precision::Confusion())
-  //  aDist = aPnt1.Distance(aFlyPnt);
-  //else {
-  //  gp_Lin aLine(aPnt1, gp_Vec(aPnt1, aPnt2));
-  //  aDist = aLine.Distance(aFlyPnt);
-  //}
-
-  //gp_XYZ aLineDir = aPnt2.XYZ().Subtracted(aPnt1.XYZ());
-  //gp_XYZ aFOutDir = aFlyPnt.XYZ().Subtracted(aPnt1.XYZ());
-  //gp_XYZ aNorm = myPlane->norm()->xyz()->impl<gp_XYZ>();
-  //if (aLineDir.Crossed(aFOutDir).Dot(aNorm) < 0)
-  //  aDist = -aDist;
-  //aFlyout = aDist;
-
-  //SetFlyout(aFlyout);
+
+  // compute flyout distance
+  double aD = SketcherPrs_Tools::getFlyoutDistance(myConstraint);
   SetFlyout(SketcherPrs_Tools::getFlyoutDistance(myConstraint));
   SetMeasuredGeometry(aPnt1, aPnt2, myPlane->impl<gp_Ax3>());
+
+  // Update variable aspect parameters (depending on viewer scale)
+  myAspect->SetExtensionSize(myAspect->ArrowAspect()->Length());
+  myAspect->SetArrowTailSize(myAspect->ArrowAspect()->Length());
+  // The value of vertical aligment is sometimes changed
+  myAspect->TextAspect()->SetVerticalJustification(Graphic3d_VTA_CENTER);
+
   AIS_LengthDimension::Compute(thePresentationManager, thePresentation, theMode);
 }
 
@@ -94,6 +74,7 @@ bool SketcherPrs_LengthDimension::getPoints(gp_Pnt& thePnt1, gp_Pnt& thePnt2)
 {
   DataPtr aData = myConstraint->data();
   if (myConstraint->getKind() == SketchPlugin_ConstraintLength::ID()) {
+    // The constraint is length
     std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = 
       std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>
       (aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
@@ -104,6 +85,7 @@ bool SketcherPrs_LengthDimension::getPoints(gp_Pnt& thePnt1, gp_Pnt& thePnt2)
     if (!aFeature || aFeature->getKind() != SketchPlugin_Line::ID())
       return false;
 
+    // Get geometry of the object
     DataPtr aLineData = aFeature->data();
     std::shared_ptr<GeomDataAPI_Point2D> aStartPoint = 
       std::dynamic_pointer_cast<GeomDataAPI_Point2D>
@@ -116,6 +98,7 @@ bool SketcherPrs_LengthDimension::getPoints(gp_Pnt& thePnt1, gp_Pnt& thePnt2)
     return true;
 
   } else if (myConstraint->getKind() == SketchPlugin_ConstraintDistance::ID()) {
+    // The constraint is distance
     std::shared_ptr<GeomDataAPI_Point2D> aPoint_A = SketcherPrs_Tools::getFeaturePoint(
         aData, SketchPlugin_Constraint::ENTITY_A(), myPlane);
     std::shared_ptr<GeomDataAPI_Point2D> aPoint_B = SketcherPrs_Tools::getFeaturePoint(
@@ -124,9 +107,11 @@ bool SketcherPrs_LengthDimension::getPoints(gp_Pnt& thePnt1, gp_Pnt& thePnt2)
     std::shared_ptr<GeomAPI_Pnt2d> aPnt_A;
     std::shared_ptr<GeomAPI_Pnt2d> aPnt_B;
     if (aPoint_A && aPoint_B) {
+      // Both objects are points
       aPnt_A = aPoint_A->pnt();
       aPnt_B = aPoint_B->pnt();
     } else if (!aPoint_A && aPoint_B) {
+      // First object is line
       FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(
           aData, SketchPlugin_Constraint::ENTITY_A());
       if (aLine) {
@@ -134,6 +119,7 @@ bool SketcherPrs_LengthDimension::getPoints(gp_Pnt& thePnt1, gp_Pnt& thePnt2)
         aPnt_A = SketcherPrs_Tools::getProjectionPoint(aLine, aPnt_B);
       }
     } else if (aPoint_A && !aPoint_B) {
+      // Second object is line
       FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(
           aData, SketchPlugin_Constraint::ENTITY_B());
       if (aLine) {
@@ -141,9 +127,10 @@ bool SketcherPrs_LengthDimension::getPoints(gp_Pnt& thePnt1, gp_Pnt& thePnt2)
         aPnt_B = SketcherPrs_Tools::getProjectionPoint(aLine, aPnt_A);
       }
     }
-    if (!aPnt_A || !aPnt_B)
+    if (!aPnt_A || !aPnt_B) // Objects not found
       return false;
 
+    // Get points from these objects
     std::shared_ptr<GeomAPI_Pnt> aPoint1 = myPlane->to3D(aPnt_A->x(), aPnt_A->y());
     std::shared_ptr<GeomAPI_Pnt> aPoint2 = myPlane->to3D(aPnt_B->x(), aPnt_B->y());
     thePnt1 = aPoint1->impl<gp_Pnt>();
@@ -158,6 +145,7 @@ bool SketcherPrs_LengthDimension::getPoints(gp_Pnt& thePnt1, gp_Pnt& thePnt2)
 void SketcherPrs_LengthDimension::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
                                                    const Standard_Integer theMode)
 {
+  // Map the application selection modes to standard ones
   Standard_Integer aMode;
   switch (theMode) {
   case 0: // we should use selection of all objects