-// Copyright (C) 2014-201x CEA/DEN, EDF R&D
-
-// File: GeomAlgoAPI_Scale.cpp
-// Created: 23 Jan 2017
-// Author: Clarisse Genrault (CEA)
+// Copyright (C) 2014-2017 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<mailto:webmaster.salome@opencascade.com>
+//
#include "GeomAlgoAPI_Scale.h"
#include <BRepBuilderAPI_Transform.hxx>
-#include <Precision.hxx>
+#include <BRepBuilderAPI_GTransform.hxx>
//=================================================================================================
GeomAlgoAPI_Scale::GeomAlgoAPI_Scale(std::shared_ptr<GeomAPI_Shape> theSourceShape,
std::shared_ptr<GeomAPI_Pnt> theCenterPoint,
double theScaleFactor)
{
+ myMethodType = BY_FACTOR;
mySourceShape = theSourceShape;
myCenterPoint = theCenterPoint;
myScaleFactor = theScaleFactor;
}
+//=================================================================================================
+GeomAlgoAPI_Scale::GeomAlgoAPI_Scale(std::shared_ptr<GeomAPI_Shape> theSourceShape,
+ std::shared_ptr<GeomAPI_Pnt> theCenterPoint,
+ double theScaleFactorX,
+ double theScaleFactorY,
+ double theScaleFactorZ)
+{
+ myMethodType = BY_DIMENSIONS;
+ mySourceShape = theSourceShape;
+ myCenterPoint = theCenterPoint;
+ myScaleFactorX = theScaleFactorX;
+ myScaleFactorY = theScaleFactorY;
+ myScaleFactorZ = theScaleFactorZ;
+}
+
//=================================================================================================
bool GeomAlgoAPI_Scale::check()
{
if (!mySourceShape) {
- myError = "Scale builder :: source shape is invalid.";
+ myError = "Scale builder :: source shape is not valid.";
return false;
}
if (!myCenterPoint) {
- myError = "Scale builder :: center point is invalid.";
+ myError = "Scale builder :: center point is not valid.";
return false;
}
- if (fabs(myScaleFactor) < Precision::Confusion()) {
- myError = "Scale builder :: the scale factor is null.";
- return false;
+ switch (myMethodType) {
+ case BY_FACTOR: {
+ if (fabs(myScaleFactor) < Precision::Confusion()) {
+ myError = "Scale builder :: the scale factor is null.";
+ return false;
+ }
+ return true;
+ }
+ case BY_DIMENSIONS: {
+ if (fabs(myScaleFactorX) < Precision::Confusion()) {
+ myError = "Scale builder :: the scale factor in X is null.";
+ return false;
+ }
+ if (fabs(myScaleFactorY) < Precision::Confusion()) {
+ myError = "Scale builder :: the scale factor in Y is null.";
+ return false;
+ }
+ if (fabs(myScaleFactorZ) < Precision::Confusion()) {
+ myError = "Scale builder :: the scale factor in Z is null.";
+ return false;
+ }
+ return true;
+ }
+ default: {
+ myError = "Scale builder :: method not implemented.";
+ return false;
+ }
}
- return true;
}
//=================================================================================================
void GeomAlgoAPI_Scale::build()
+{
+ switch (myMethodType) {
+ case BY_FACTOR : {
+ buildByFactor();
+ break;
+ }
+ case BY_DIMENSIONS : {
+ buildByDimensions();
+ break;
+ }
+ default : {
+ myError = "Scale builder :: method not yet implemented";
+ return;
+ }
+ }
+}
+
+//=================================================================================================
+void GeomAlgoAPI_Scale::buildByFactor()
{
const gp_Pnt& aCenterPoint = myCenterPoint->impl<gp_Pnt>();
gp_Trsf* aTrsf = new gp_Trsf();
setShape(aShape);
setDone(true);
}
+
+//=================================================================================================
+void GeomAlgoAPI_Scale::buildByDimensions()
+{
+ const gp_Pnt& aCenterPoint = myCenterPoint->impl<gp_Pnt>();
+
+ // Perform the rotation matrix
+ gp_Mat aMatRot(myScaleFactorX, 0., 0.,
+ 0., myScaleFactorY, 0.,
+ 0., 0., myScaleFactorZ);
+
+ // Perform the tranformation
+ gp_Pnt anOriginPnt(0., 0., 0.);
+ gp_GTrsf aGTrsf;
+ gp_GTrsf aGTrsfP0;
+ gp_GTrsf aGTrsf0P;
+ aGTrsfP0.SetTranslationPart(anOriginPnt.XYZ() - aCenterPoint.XYZ());
+ aGTrsf0P.SetTranslationPart(aCenterPoint.XYZ());
+ aGTrsf.SetVectorialPart(aMatRot);
+ aGTrsf = aGTrsf0P.Multiplied(aGTrsf);
+ aGTrsf = aGTrsf.Multiplied(aGTrsfP0);
+
+ const TopoDS_Shape& aSourceShape = mySourceShape->impl<TopoDS_Shape>();
+
+ if(aSourceShape.IsNull()) {
+ myError = "Scale builder :: source shape does not contain any actual shape.";
+ return;
+ }
+
+ // Transform the shape while copying it.
+ BRepBuilderAPI_GTransform* aBuilder = new BRepBuilderAPI_GTransform(aSourceShape, aGTrsf, true);
+ if(!aBuilder) {
+ myError = "Scale builder :: transform initialization failed.";
+ return;
+ }
+
+ setImpl(aBuilder);
+ setBuilderType(OCCT_BRepBuilderAPI_MakeShape);
+
+ if(!aBuilder->IsDone()) {
+ myError = "Scale builder :: algorithm failed.";
+ return;
+ }
+
+ TopoDS_Shape aResult = aBuilder->Shape();
+
+ std::shared_ptr<GeomAPI_Shape> aShape(new GeomAPI_Shape());
+ aShape->setImpl(new TopoDS_Shape(aResult));
+ setShape(aShape);
+ setDone(true);
+}
