+ if (theAttributeId != SketchPlugin_Constraint::FLYOUT_VALUE_PNT())
+ return false;
+
+ std::shared_ptr<GeomAPI_Pnt> aPoint1, aPoint2;
+ std::shared_ptr<GeomDataAPI_Point2D> aStartPoint, anEndPoint;
+ if (!getPoints(aPoint1, aPoint2, aStartPoint, anEndPoint))
+ return false;
+
+ std::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr = std::dynamic_pointer_cast<
+ GeomDataAPI_Point2D>(data()->attribute(theAttributeId));
+
+ std::shared_ptr<GeomAPI_Lin2d> aLine =
+ std::shared_ptr<GeomAPI_Lin2d>(new GeomAPI_Lin2d(aStartPoint->pnt(), anEndPoint->pnt()));
+ if (fabs(aFlyOutAttr->x()) < tolerance && fabs(aFlyOutAttr->y()) < tolerance) {
+ double aDist = aPoint1->distance(aPoint2)/5.;
+ std::shared_ptr<GeomAPI_Pnt2d> aFPnt = aLine->shiftedLocation(aDist);
+ aFlyOutAttr->setValue(aFPnt);
+ }
+
+ return true;
+}
+
+bool SketchPlugin_ConstraintLength::getPoints(
+ std::shared_ptr<GeomAPI_Pnt>& thePoint1, std::shared_ptr<GeomAPI_Pnt>& thePoint2,
+ std::shared_ptr<GeomDataAPI_Point2D>& theStartPoint,
+ std::shared_ptr<GeomDataAPI_Point2D>& theEndPoint)
+{
+ if (!sketch())
+ return false;
+ std::shared_ptr<GeomAPI_Pln> aPlane = sketch()->plane();
+ std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = std::dynamic_pointer_cast<
+ ModelAPI_AttributeRefAttr>(data()->attribute(SketchPlugin_Constraint::ENTITY_A()));
+ if (!anAttr)
+ return false;
+ FeaturePtr aFeature = ModelAPI_Feature::feature(anAttr->object());
+ if (!aFeature || aFeature->getKind() != SketchPlugin_Line::ID())
+ return false;
+ DataPtr aData = aFeature->data();
+ theStartPoint = std::dynamic_pointer_cast<
+ GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Line::START_ID()));
+ theEndPoint = std::dynamic_pointer_cast<
+ GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Line::END_ID()));
+ thePoint1 = sketch()->to3D(theStartPoint->x(), theStartPoint->y());
+ thePoint2 = sketch()->to3D(theEndPoint->x(), theEndPoint->y());
+ return true;
+}
+
+AISObjectPtr SketchPlugin_ConstraintLength::getAISObject(AISObjectPtr thePrevious)
+{
+ if (!sketch())
+ return thePrevious;
+
+ AISObjectPtr anAIS = thePrevious;
+ if (!anAIS) {
+ anAIS = SketcherPrs_Factory::lengthDimensionConstraint(this, sketch()->coordinatePlane());
+ }
+ std::vector<int> aRGB = Config_PropManager::color("Visualization", "sketch_dimension_color",
+ SKETCH_DIMENSION_COLOR);
+ anAIS->setColor(aRGB[0], aRGB[1], aRGB[2]);
+ return anAIS;