- else if (theID == CENTER_ID() || theID == RADIUS_ID()) {
- std::string aType = std::dynamic_pointer_cast<ModelAPI_AttributeString>(
- data()->attribute(CIRCLE_TYPE()))->value();
- if (aType == CIRCLE_TYPE_THREE_POINTS() && lastResult()) // adjust data from the solver
- adjustThreePoints();
- } else if (theID == FIRST_POINT_ID() || theID == SECOND_POINT_ID() || theID == THIRD_POINT_ID()) {
- // support the center and radius attributes enev in other mode: solver uses them
- std::string aType = std::dynamic_pointer_cast<ModelAPI_AttributeString>(
- data()->attribute(CIRCLE_TYPE()))->value();
- if (aType == CIRCLE_TYPE_CENTER_AND_RADIUS())
- return;
- data()->blockSendAttributeUpdated(true); // to modify two attributes at once
- std::shared_ptr<GeomAPI_Pnt2d> aPoints[3];
- int aNbInitialized = 0;
- for (int i = 1; i <= 3; ++i) {
- std::shared_ptr<GeomDataAPI_Point2D> aCurPnt =
- std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(POINT_ID(i)));
- if (aCurPnt->isInitialized())
- aPoints[aNbInitialized++] = aCurPnt->pnt();
- }
-
- std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr = std::dynamic_pointer_cast<
- GeomDataAPI_Point2D>(data()->attribute(CENTER_ID()));
- AttributeDoublePtr aRadiusAttr =
- std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(data()->attribute(RADIUS_ID()));
-
- if (aNbInitialized == 1)
- aCenterAttr->setValue(aPoints[0]->x(), aPoints[0]->y());
- else if (aNbInitialized == 2) {
- std::shared_ptr<GeomAPI_XY> aCoord =
- aPoints[0]->xy()->added(aPoints[1]->xy())->multiplied(0.5);
- double aRadius = aPoints[0]->distance(aPoints[1]) * 0.5;
- aCenterAttr->setValue(aCoord->x(), aCoord->y());
- aRadiusAttr->setValue(aRadius);
- } else {
- std::shared_ptr<GeomAPI_Circ2d> aCircle(
- new GeomAPI_Circ2d(aPoints[0], aPoints[1], aPoints[2]));
-
- std::shared_ptr<GeomAPI_Pnt2d> aCenter = aCircle->center();
- if (aCenter) {
- double aRadius = aCircle->radius();
- aCenterAttr->setValue(aCenter->x(), aCenter->y());
- aRadiusAttr->setValue(aRadius);
- }
- }
- data()->blockSendAttributeUpdated(false, false);
-
- } else if (theID == CIRCLE_TYPE()) { // if switched to 3 points mode, adjust the needed attributes
- std::string aType = std::dynamic_pointer_cast<ModelAPI_AttributeString>(
- data()->attribute(CIRCLE_TYPE()))->value();
- if (aType == CIRCLE_TYPE_THREE_POINTS()) {
- adjustThreePoints();
- }
- }
-}
-
-void SketchPlugin_Circle::adjustThreePoints()
-{
- std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr =
- std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(CENTER_ID()));
- if (!aCenterAttr->isInitialized())
- return;
- AttributeDoublePtr aRadiusAttr =
- std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(attribute(RADIUS_ID()));
- if (!aRadiusAttr->isInitialized())
- return;
-
- data()->blockSendAttributeUpdated(true);
- std::shared_ptr<GeomDataAPI_Point2D> aFirstPnt =
- std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(FIRST_POINT_ID()));
- std::shared_ptr<GeomDataAPI_Point2D> aSecondPnt =
- std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(SECOND_POINT_ID()));
- std::shared_ptr<GeomDataAPI_Point2D> aThirdPnt =
- std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(THIRD_POINT_ID()));
- double aRadius = aRadiusAttr->value();
-
- if (fabs(aFirstPnt->pnt()->distance(aCenterAttr->pnt()) - aRadius) > tolerance ||
- fabs(aSecondPnt->pnt()->distance(aCenterAttr->pnt()) - aRadius) > tolerance ||
- fabs(aThirdPnt->pnt()->distance(aCenterAttr->pnt()) - aRadius) > tolerance) {
- aFirstPnt->setValue(aCenterAttr->x() + aRadius, aCenterAttr->y());
- aSecondPnt->setValue(aCenterAttr->x(), aCenterAttr->y() + aRadius);
- aThirdPnt->setValue(aCenterAttr->x() - aRadius, aCenterAttr->y());
- }
- data()->blockSendAttributeUpdated(false, false);