--- /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 "GeomData_Point2DArray.h"
+
+#include <GeomAPI_Pnt2d.h>
+
+#include <ModelAPI_Data.h>
+#include <ModelAPI_Events.h>
+#include <ModelAPI_Expression.h>
+#include <ModelAPI_Feature.h>
+
+#include <cassert>
+
+GeomData_Point2DArray::GeomData_Point2DArray(TDF_Label& theLabel)
+ : myLab(theLabel)
+{
+ reinit();
+}
+
+void GeomData_Point2DArray::reinit()
+{
+ // check the attribute could be already presented in this doc (after load document)
+ myIsInitialized = myLab.FindAttribute(TDataStd_RealArray::GetID(), myArray) == Standard_True;
+}
+
+bool GeomData_Point2DArray::assign(std::shared_ptr<GeomDataAPI_Point2DArray> theOther)
+{
+ std::shared_ptr<GeomData_Point2DArray> anOther =
+ std::dynamic_pointer_cast<GeomData_Point2DArray>(theOther);
+ if (!anOther)
+ return false;
+
+ setSize(anOther->size());
+ myArray->ChangeArray(anOther->myArray->Array(), false);
+}
+
+int GeomData_Point2DArray::size()
+{
+ if (myArray.IsNull() || !myArray->IsValid()) {
+ // this could be on undo and then redo creation of the attribute
+ // in result creation it may be uninitialized
+ myIsInitialized = myLab.FindAttribute(TDataStd_RealArray::GetID(), myArray) == Standard_True;
+ }
+ // checking the validity because attribute (as a field) may be presented,
+ // but without label: it is undoed
+ return (myArray.IsNull() || !myArray->IsValid()) ? 0 : myArray->Length() / 2;
+}
+
+void GeomData_Point2DArray::setSize(const int theSize)
+{
+ int aValuesSize = 2 * theSize;
+ if (myArray.IsNull() || !myArray->IsValid()) { // create array if it is not done yet
+ if (aValuesSize != 0) { // if size is zero, nothing to do (null array means there is no array)
+ myArray = TDataStd_RealArray::Set(myLab, 0, aValuesSize - 1);
+ owner()->data()->sendAttributeUpdated(this);
+ }
+ }
+ else { // reset the old array
+ if (aValuesSize) {
+ if (aValuesSize != myArray->Length()) { // old data is not keept, a new array is created
+ Handle(TColStd_HArray1OfReal) aNewArray = new TColStd_HArray1OfReal(0, aValuesSize - 1);
+ myArray->ChangeArray(aNewArray);
+ owner()->data()->sendAttributeUpdated(this);
+ }
+ }
+ else { // size is zero => array must be erased
+ if (!myArray.IsNull()) {
+ myArray.Nullify();
+ myLab.ForgetAttribute(TDataStd_RealArray::GetID());
+ owner()->data()->sendAttributeUpdated(this);
+ }
+ }
+ }
+}
+
+void GeomData_Point2DArray::setPnt(const int theIndex,
+ const double theX,
+ const double theY)
+{
+ if (myArray->Value(2 * theIndex) != theX || myArray->Value(2 * theIndex + 1) != theY) {
+ myArray->SetValue(2 * theIndex, theX);
+ myArray->SetValue(2 * theIndex + 1, theY);
+ owner()->data()->sendAttributeUpdated(this);
+ }
+}
+
+void GeomData_Point2DArray::setPnt(const int theIndex, const GeomPnt2dPtr& thePoint)
+{
+ setPnt(theIndex, thePoint->x(), thePoint->y());
+}
+
+GeomPnt2dPtr GeomData_Point2DArray::pnt(const int theIndex)
+{
+ GeomPnt2dPtr aPoint;
+ if (theIndex >= 0 && theIndex * 2 < myArray->Length())
+ aPoint.reset(new GeomAPI_Pnt2d(myArray->Value(2 * theIndex), myArray->Value(2 * theIndex + 1)));
+ return aPoint;
+}
