X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FSketchPlugin%2FSketchPlugin_Arc.cpp;h=7d285d079dd1cfa00f5c3494330be7ef428054cf;hb=c7a5ff20294ae8270bfb9120b8887f0c9959d658;hp=9de0fc49b97dc5851cf50f116c523120b22ac3af;hpb=caf028355772b8ed5cd35a400a879d009df7968b;p=modules%2Fshaper.git

diff --git a/src/SketchPlugin/SketchPlugin_Arc.cpp b/src/SketchPlugin/SketchPlugin_Arc.cpp
index 9de0fc49b..7d285d079 100644
--- a/src/SketchPlugin/SketchPlugin_Arc.cpp
+++ b/src/SketchPlugin/SketchPlugin_Arc.cpp
@@ -28,6 +28,7 @@ const double tolerance = 1e-7;
 const double paramTolerance = 1.e-4;
 const double PI =3.141592653589793238463;
 
+
 SketchPlugin_Arc::SketchPlugin_Arc()
     : SketchPlugin_SketchEntity()
 {
@@ -37,7 +38,6 @@ SketchPlugin_Arc::SketchPlugin_Arc()
   myXEndBefore = 0;
   myYEndBefore = 0;
 
-  myForwardDirection = true;
   myParamBefore = 0;
 }
 
@@ -52,6 +52,12 @@ void SketchPlugin_Arc::initAttributes()
   data()->addAttribute(EXTERNAL_ID(), ModelAPI_AttributeSelection::typeId());
   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), EXTERNAL_ID());
 
+  data()->addAttribute(INVERSED_ID(), ModelAPI_AttributeBoolean::typeId());
+  AttributeBooleanPtr isInversed =
+      std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(attribute(INVERSED_ID()));
+  if (!isInversed->isInitialized())
+    isInversed->setValue(false);
+
   // get the initial values
   if (anEndAttr->isInitialized()) {
     myXEndBefore = anEndAttr->x();
@@ -98,24 +104,26 @@ void SketchPlugin_Arc::execute()
       anEndAttr->setValue(aProjection);
     */
     std::shared_ptr<GeomAPI_Pnt> aEndPoint(aSketch->to3D(anEndAttr->x(), anEndAttr->y()));
+    AttributeBooleanPtr isInversed =
+        std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(attribute(INVERSED_ID()));
 
     std::shared_ptr<GeomAPI_Dir> anXDir(new GeomAPI_Dir(aStartPoint->xyz()->decreased(aCenter->xyz())));
     std::shared_ptr<GeomAPI_Ax2> anAx2(new GeomAPI_Ax2(aCenter, aNormal, anXDir));
     std::shared_ptr<GeomAPI_Circ> aCirc(new GeomAPI_Circ(anAx2, aCenter->distance(aStartPoint)));
     double aParameterNew = 0.0;
     if(aCirc->parameter(aEndPoint, paramTolerance, aParameterNew)) {
-      if(0 < myParamBefore && myParamBefore <= PI / 2.0
-        && PI * 1.5 < aParameterNew && aParameterNew <= PI * 2.0) {
-          myForwardDirection = false;
-      } else if(PI * 1.5 < myParamBefore && myParamBefore <= PI * 2.0
-        && 0 < aParameterNew && aParameterNew <= PI / 2.0) {
-          myForwardDirection = true;
+      if(0 <= myParamBefore && myParamBefore <= PI / 2.0
+        && PI * 1.5 <= aParameterNew && aParameterNew <= PI * 2.0) {
+          isInversed->setValue(true);
+      } else if(PI * 1.5 <= myParamBefore && myParamBefore <= PI * 2.0
+        && 0 <= aParameterNew && aParameterNew <= PI / 2.0) {
+          isInversed->setValue(false);
       }
     }
     myParamBefore = aParameterNew;
 
     std::shared_ptr<GeomAPI_Shape> aCircleShape;
-    if(myForwardDirection) {
+    if(!isInversed->value()) {
       aCircleShape = GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenter, aStartPoint, aEndPoint, aNormal);
     } else {
       aCircleShape = GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenter, aEndPoint, aStartPoint, aNormal);
@@ -258,30 +266,31 @@ void SketchPlugin_Arc::attributeChanged(const std::string& theID)
         new GeomAPI_Circ2d(aCenterAttr->pnt(), aStartAttr->pnt()));
     std::shared_ptr<GeomAPI_Pnt2d> aProjection = aCircleForArc->project(anEndAttr->pnt());
     if (aProjection && anEndAttr->pnt()->distance(aProjection) > tolerance) {
-      // issue #855: trying to update only not-updated coordinate if it is possible
-      if (abs(myXEndBefore - anEndAttr->x()) < 1.e-10) { // keep Y unchanged
-        double aVy = aCenterAttr->y() - anEndAttr->y();
-        double aVy2 = aVy * aVy;
-        double aR2 = aCircleForArc->radius() * aCircleForArc->radius();
-        if (aVy2 <= aR2) {
-          double aDX = sqrt(aR2 - aVy * aVy);
-          if (anEndAttr->x() > aCenterAttr->x())
-            aProjection->setX(aCenterAttr->x() + aDX);
-          else 
-            aProjection->setX(aCenterAttr->x() - aDX);
-          aProjection->setY(anEndAttr->y());
-        }
-      } else if (abs(myYEndBefore - anEndAttr->y()) < 1.e-10) { // keep X unchanged
-        double aVx = aCenterAttr->x() - anEndAttr->x();
-        double aVx2 = aVx * aVx;
-        double aR2 = aCircleForArc->radius() * aCircleForArc->radius();
-        if (aVx2 <= aR2) {
-          double aDY = sqrt(aR2 - aVx * aVx);
-          if (anEndAttr->y() > aCenterAttr->y())
-            aProjection->setY(aCenterAttr->y() + aDY);
-          else 
-            aProjection->setY(aCenterAttr->y() - aDY);
-          aProjection->setX(anEndAttr->x());
+      if (!isStable()) { // issue #855: trying to update only not-updated coordinate if it is possible
+        if (fabs(myXEndBefore - anEndAttr->x()) < 1.e-10) { // keep Y unchanged
+          double aVy = aCenterAttr->y() - anEndAttr->y();
+          double aVy2 = aVy * aVy;
+          double aR2 = aCircleForArc->radius() * aCircleForArc->radius();
+          if (aVy2 <= aR2) {
+            double aDX = sqrt(aR2 - aVy * aVy);
+            if (anEndAttr->x() > aCenterAttr->x())
+              aProjection->setX(aCenterAttr->x() + aDX);
+            else 
+              aProjection->setX(aCenterAttr->x() - aDX);
+            aProjection->setY(anEndAttr->y());
+          }
+        } else if (fabs(myYEndBefore - anEndAttr->y()) < 1.e-10) { // keep X unchanged
+          double aVx = aCenterAttr->x() - anEndAttr->x();
+          double aVx2 = aVx * aVx;
+          double aR2 = aCircleForArc->radius() * aCircleForArc->radius();
+          if (aVx2 <= aR2) {
+            double aDY = sqrt(aR2 - aVx * aVx);
+            if (anEndAttr->y() > aCenterAttr->y())
+              aProjection->setY(aCenterAttr->y() + aDY);
+            else 
+              aProjection->setY(aCenterAttr->y() - aDY);
+            aProjection->setX(anEndAttr->x());
+          }
         }
       }
 
@@ -310,3 +319,14 @@ void SketchPlugin_Arc::attributeChanged(const std::string& theID)
     myEndUpdate = false;
   }
 }
+
+void SketchPlugin_Arc::setReversed(bool isReversed)
+{
+  std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(attribute(INVERSED_ID()))->setValue(isReversed);
+  myParamBefore = 0.0;
+}
+
+bool SketchPlugin_Arc::isReversed()
+{
+  return std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(attribute(INVERSED_ID()))->value();
+}