--- /dev/null
+// Copyright (C) 2019-2020 CEA/DEN, EDF R&D
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
+#include <SketchPlugin_MacroBSpline.h>
+
+#include <SketchPlugin_BSpline.h>
+#include <SketchPlugin_ConstraintCoincidenceInternal.h>
+#include <SketchPlugin_Line.h>
+#include <SketchPlugin_Point.h>
+#include <SketchPlugin_Tools.h>
+#include <SketchPlugin_Sketch.h>
+
+#include <ModelAPI_AttributeDoubleArray.h>
+#include <ModelAPI_AttributeInteger.h>
+#include <ModelAPI_AttributeRefAttrList.h>
+#include <ModelAPI_Events.h>
+#include <ModelAPI_EventReentrantMessage.h>
+#include <ModelAPI_Session.h>
+#include <ModelAPI_Validator.h>
+
+#include <GeomDataAPI_Point2DArray.h>
+
+#include <GeomAlgoAPI_CompoundBuilder.h>
+#include <GeomAlgoAPI_EdgeBuilder.h>
+#include <GeomAlgoAPI_PointBuilder.h>
+
+#include <sstream>
+
+// Create Point feature coincident with the B-spline pole
+static FeaturePtr createAuxiliaryPole(FeaturePtr theBSpline,
+ AttributePoint2DArrayPtr theBSplinePoles,
+ const int thePoleIndex);
+// Create segment between consequtive B-spline poles
+static void createAuxiliarySegment(FeaturePtr theBSpline,
+ AttributePoint2DArrayPtr theBSplinePoles,
+ const int thePoleIndex1,
+ const int thePoleIndex2);
+// Create internal coincidence constraint with B-spline pole
+static void createInternalConstraint(SketchPlugin_Sketch* theSketch,
+ AttributePtr thePoint,
+ AttributePtr theBSplinePoles,
+ const int thePoleIndex);
+
+
+SketchPlugin_MacroBSpline::SketchPlugin_MacroBSpline()
+ : SketchPlugin_SketchEntity(),
+ myIsPeriodic(false)
+{
+}
+
+void SketchPlugin_MacroBSpline::initAttributes()
+{
+ data()->addAttribute(POLES_ID(), GeomDataAPI_Point2DArray::typeId());
+ data()->addAttribute(WEIGHTS_ID(), ModelAPI_AttributeDoubleArray::typeId());
+
+ data()->addAttribute(REF_POLES_ID(), ModelAPI_AttributeRefAttrList::typeId());
+ ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), REF_POLES_ID());
+
+ data()->addAttribute(AUXILIARY_ID(), ModelAPI_AttributeBoolean::typeId());
+}
+
+void SketchPlugin_MacroBSpline::execute()
+{
+ FeaturePtr aBSpline = createBSplineFeature();
+
+ std::list<FeaturePtr> aControlPoles;
+ createControlPolygon(aBSpline, aControlPoles);
+ constraintsForPoles(aControlPoles);
+
+ // message to init reentrant operation
+ static Events_ID anId = ModelAPI_EventReentrantMessage::eventId();
+ ReentrantMessagePtr aMessage(new ModelAPI_EventReentrantMessage(anId, this));
+ // set here the last pole to make coincidence with the start point of the next B-spline curve
+ aMessage->setCreatedFeature(aControlPoles.back());
+ Events_Loop::loop()->send(aMessage);
+}
+
+// LCOV_EXCL_START
+std::string SketchPlugin_MacroBSpline::processEvent(
+ const std::shared_ptr<Events_Message>& theMessage)
+{
+ ReentrantMessagePtr aReentrantMessage =
+ std::dynamic_pointer_cast<ModelAPI_EventReentrantMessage>(theMessage);
+ if (aReentrantMessage) {
+ FeaturePtr aCreatedFeature = aReentrantMessage->createdFeature();
+ ObjectPtr anObject = aReentrantMessage->selectedObject();
+ AttributePtr anAttribute = aReentrantMessage->selectedAttribute();
+ std::shared_ptr<GeomAPI_Pnt2d> aClickedPoint = aReentrantMessage->clickedPoint();
+
+ if (aClickedPoint) {
+ // fill points list (it consists of 2 points to make editable the second one)
+ AttributePoint2DArrayPtr aPointArrayAttr =
+ std::dynamic_pointer_cast<GeomDataAPI_Point2DArray>(attribute(POLES_ID()));
+ aPointArrayAttr->setSize(2);
+ aPointArrayAttr->setPnt(0, aClickedPoint);
+ aPointArrayAttr->setPnt(1, aClickedPoint);
+
+ // fill weights
+ AttributeDoubleArrayPtr aWeightsArrayAttr = data()->realArray(WEIGHTS_ID());
+ aWeightsArrayAttr->setSize(2);
+ aWeightsArrayAttr->setValue(0, 1.0);
+ aWeightsArrayAttr->setValue(1, 1.0);
+
+ // fill reference attribute
+ AttributeRefAttrListPtr aRefAttrList =
+ std::dynamic_pointer_cast<ModelAPI_AttributeRefAttrList>(attribute(REF_POLES_ID()));
+ if (anAttribute) {
+ if (!anAttribute->owner() || !anAttribute->owner()->data()->isValid()) {
+ if (aCreatedFeature && anAttribute->id() == SketchPlugin_Point::COORD_ID())
+ anAttribute = aCreatedFeature->attribute(SketchPlugin_Point::COORD_ID());
+ }
+ aRefAttrList->append(anAttribute);
+ }
+ }
+ Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
+ }
+ return std::string();
+}
+// LCOV_EXCL_STOP
+
+FeaturePtr SketchPlugin_MacroBSpline::createBSplineFeature()
+{
+ FeaturePtr aBSpline = sketch()->addFeature(SketchPlugin_BSpline::ID());
+
+ AttributePoint2DArrayPtr aPoles = std::dynamic_pointer_cast<GeomDataAPI_Point2DArray>(
+ aBSpline->attribute(SketchPlugin_BSpline::POLES_ID()));
+ AttributePoint2DArrayPtr aPolesMacro =
+ std::dynamic_pointer_cast<GeomDataAPI_Point2DArray>(attribute(POLES_ID()));
+ aPoles->assign(aPolesMacro);
+
+ AttributeDoubleArrayPtr aWeights =
+ aBSpline->data()->realArray(SketchPlugin_BSpline::WEIGHTS_ID());
+ AttributeDoubleArrayPtr aWeightsMacro = data()->realArray(WEIGHTS_ID());
+ int aSize = aWeightsMacro->size();
+ aWeights->setSize(aSize);
+ for (int index = 0; index < aSize; ++index)
+ aWeights->setValue(index, aWeightsMacro->value(index));
+
+ aBSpline->boolean(SketchPlugin_BSpline::AUXILIARY_ID())->setValue(
+ boolean(AUXILIARY_ID())->value());
+
+ aBSpline->execute();
+
+ return aBSpline;
+}
+
+void SketchPlugin_MacroBSpline::createControlPolygon(FeaturePtr theBSpline,
+ std::list<FeaturePtr>& thePoles)
+{
+ AttributePoint2DArrayPtr aPoles = std::dynamic_pointer_cast<GeomDataAPI_Point2DArray>(
+ theBSpline->attribute(SketchPlugin_BSpline::POLES_ID()));
+ int aSize = aPoles->size();
+ // poles
+ for (int index = 0; index < aSize; ++index)
+ thePoles.push_back(createAuxiliaryPole(theBSpline, aPoles, index));
+ // segments
+ for (int index = 1; index < aSize; ++index)
+ createAuxiliarySegment(theBSpline, aPoles, index - 1, index);
+}
+
+void SketchPlugin_MacroBSpline::constraintsForPoles(const std::list<FeaturePtr>& thePoles)
+{
+ AttributeRefAttrListPtr aRefAttrList = data()->refattrlist(REF_POLES_ID());
+ std::list<std::pair<ObjectPtr, AttributePtr> > aList;
+ if (aRefAttrList)
+ aList = aRefAttrList->list();
+
+ SketchPlugin_Sketch* aSketch = sketch();
+
+ std::list<std::pair<ObjectPtr, AttributePtr> >::iterator aLIt = aList.begin();
+ std::list<FeaturePtr>::const_iterator aPIt = thePoles.begin();
+ for (; aLIt != aList.end() && aPIt != thePoles.end(); ++aPIt, ++aLIt) {
+ // firstly, check the attribute (in this case the object will be not empty too)
+ if (aLIt->second) {
+ SketchPlugin_Tools::createConstraintAttrAttr(aSketch,
+ SketchPlugin_ConstraintCoincidence::ID(),
+ (*aPIt)->attribute(SketchPlugin_Point::COORD_ID()), aLIt->second);
+ }
+ // now add coincidence with the result
+ else if (aLIt->first) {
+ SketchPlugin_Tools::createConstraintAttrObject(aSketch,
+ SketchPlugin_ConstraintCoincidence::ID(),
+ (*aPIt)->attribute(SketchPlugin_Point::COORD_ID()), aLIt->first);
+ }
+ }
+}
+
+AISObjectPtr SketchPlugin_MacroBSpline::getAISObject(AISObjectPtr thePrevious)
+{
+ SketchPlugin_Sketch* aSketch = sketch();
+ if (!aSketch)
+ return AISObjectPtr();
+
+ AttributePoint2DArrayPtr aPolesArray =
+ std::dynamic_pointer_cast<GeomDataAPI_Point2DArray>(attribute(POLES_ID()));
+ AttributeDoubleArrayPtr aWeightsArray = data()->realArray(WEIGHTS_ID());
+
+ std::list<GeomShapePtr> aShapes;
+
+ // convert poles to 3D and collect weights
+ std::vector<GeomPointPtr> aPoles3D;
+ aPoles3D.reserve(aPolesArray->size());
+ std::vector<double> aWeights;
+ aWeights.reserve(aWeightsArray->size());
+ for (int anIndex = 0; anIndex < aPolesArray->size(); ++anIndex) {
+ double aWeight = aWeightsArray->value(anIndex);
+ if (aWeight < 1.e-10)
+ continue; // skip poles with zero weights
+
+ aWeights.push_back(aWeight);
+
+ GeomPnt2dPtr aPole = aPolesArray->pnt(anIndex);
+ GeomPointPtr aPole3D = aSketch->to3D(aPole->x(), aPole->y());
+ aPoles3D.push_back(aPole3D);
+ aShapes.push_back(GeomAlgoAPI_PointBuilder::vertex(aPole3D));
+ }
+
+ // create result non-periodic B-spline curve
+ GeomShapePtr anEdge = GeomAlgoAPI_EdgeBuilder::bspline(aPoles3D, aWeights, false);
+ if (!anEdge)
+ return AISObjectPtr();
+
+ aShapes.push_back(anEdge);
+ GeomShapePtr aCompound = GeomAlgoAPI_CompoundBuilder::compound(aShapes);
+
+ AISObjectPtr anAIS = thePrevious;
+ if (!anAIS)
+ anAIS.reset(new GeomAPI_AISObject());
+ anAIS->createShape(aCompound);
+
+ // Modify attributes
+ SketchPlugin_Tools::customizeFeaturePrs(anAIS, boolean(AUXILIARY_ID())->value());
+
+ return anAIS;
+}
+
+
+
+// ========================== Auxiliary functions ===========================================
+
+FeaturePtr createAuxiliaryPole(FeaturePtr theBSpline,
+ AttributePoint2DArrayPtr theBSplinePoles,
+ const int thePoleIndex)
+{
+ SketchPlugin_Sketch* aSketch =
+ std::dynamic_pointer_cast<SketchPlugin_Feature>(theBSpline)->sketch();
+
+ // create child point equal to the B-spline's pole
+ FeaturePtr aPointFeature = aSketch->addFeature(SketchPlugin_Point::ID());
+ aPointFeature->boolean(SketchPlugin_Point::AUXILIARY_ID())->setValue(true);
+ aPointFeature->reference(SketchPlugin_Point::PARENT_ID())->setValue(theBSpline);
+
+ GeomPnt2dPtr aPole = theBSplinePoles->pnt(thePoleIndex);
+
+ AttributePoint2DPtr aCoord = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+ aPointFeature->attribute(SketchPlugin_Point::COORD_ID()));
+ aCoord->setValue(aPole);
+
+ aPointFeature->execute();
+
+ std::ostringstream aName;
+ aName << theBSpline->name() << "_" << theBSplinePoles->id() << "_" << thePoleIndex;
+ aPointFeature->data()->setName(aName.str());
+ aPointFeature->lastResult()->data()->setName(aName.str());
+
+ // internal constraint to keep position of the point
+ createInternalConstraint(aSketch, aCoord, theBSplinePoles, thePoleIndex);
+
+ return aPointFeature;
+}
+
+void createAuxiliarySegment(FeaturePtr theBSpline,
+ AttributePoint2DArrayPtr theBSplinePoles,
+ const int thePoleIndex1,
+ const int thePoleIndex2)
+{
+ SketchPlugin_Sketch* aSketch =
+ std::dynamic_pointer_cast<SketchPlugin_Feature>(theBSpline)->sketch();
+
+ // create child segment between B-spline poles
+ FeaturePtr aLineFeature = aSketch->addFeature(SketchPlugin_Line::ID());
+ aLineFeature->boolean(SketchPlugin_Point::AUXILIARY_ID())->setValue(true);
+ aLineFeature->reference(SketchPlugin_Point::PARENT_ID())->setValue(theBSpline);
+
+ AttributePoint2DPtr aLineStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+ aLineFeature->attribute(SketchPlugin_Line::START_ID()));
+ aLineStart->setValue(theBSplinePoles->pnt(thePoleIndex1));
+
+ AttributePoint2DPtr aLineEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+ aLineFeature->attribute(SketchPlugin_Line::END_ID()));
+ aLineEnd->setValue(theBSplinePoles->pnt(thePoleIndex2));
+
+ aLineFeature->execute();
+
+ std::ostringstream aName;
+ aName << theBSpline->name() << "_segment_" << thePoleIndex1 << "_" << thePoleIndex2;
+ aLineFeature->data()->setName(aName.str());
+ aLineFeature->lastResult()->data()->setName(aName.str());
+
+ // internal constraints to keep the segment position
+ createInternalConstraint(aSketch, aLineStart, theBSplinePoles, thePoleIndex1);
+ createInternalConstraint(aSketch, aLineEnd, theBSplinePoles, thePoleIndex2);
+}
+
+void createInternalConstraint(SketchPlugin_Sketch* theSketch,
+ AttributePtr thePoint,
+ AttributePtr theBSplinePoles,
+ const int thePoleIndex)
+{
+ std::shared_ptr<SketchPlugin_ConstraintCoincidenceInternal> aConstraint =
+ std::dynamic_pointer_cast<SketchPlugin_ConstraintCoincidenceInternal>(
+ theSketch->addFeature(SketchPlugin_ConstraintCoincidenceInternal::ID()));
+ aConstraint->refattr(SketchPlugin_Constraint::ENTITY_A())->setAttr(thePoint);
+ aConstraint->refattr(SketchPlugin_Constraint::ENTITY_B())->setAttr(theBSplinePoles);
+ aConstraint->integer(SketchPlugin_ConstraintCoincidenceInternal::INDEX_ENTITY_B())
+ ->setValue(thePoleIndex);
+}
