123 lines
4.9 KiB
C++
123 lines
4.9 KiB
C++
/***************************************************************************
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* Copyright (c) 2013 Jan Rheinlaender <jrheinlaender@users.sourceforge.net> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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# include <Inventor/nodes/SoSeparator.h>
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# include <Inventor/nodes/SoCoordinate3.h>
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#endif
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#include <Mod/Part/Gui/SoBrepFaceSet.h>
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#include <Mod/Part/Gui/SoBrepEdgeSet.h>
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#include <Mod/PartDesign/App/DatumPlane.h>
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#include "ViewProviderDatumPlane.h"
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using namespace PartDesignGui;
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PROPERTY_SOURCE(PartDesignGui::ViewProviderDatumPlane,PartDesignGui::ViewProviderDatum)
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ViewProviderDatumPlane::ViewProviderDatumPlane()
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{
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sPixmap = "PartDesign_Plane.svg";
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pCoords = new SoCoordinate3();
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pCoords->ref ();
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}
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ViewProviderDatumPlane::~ViewProviderDatumPlane()
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{
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pCoords->unref ();
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}
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void ViewProviderDatumPlane::attach ( App::DocumentObject *obj ) {
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ViewProviderDatum::attach ( obj );
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ViewProviderDatum::setExtents ( defaultBoundBox () );
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getShapeRoot ()->addChild(pCoords);
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PartGui::SoBrepEdgeSet* lineSet = new PartGui::SoBrepEdgeSet();
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lineSet->coordIndex.setNum(6);
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lineSet->coordIndex.set1Value(0, 0);
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lineSet->coordIndex.set1Value(1, 1);
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lineSet->coordIndex.set1Value(2, 2);
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lineSet->coordIndex.set1Value(3, 3);
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lineSet->coordIndex.set1Value(4, 0);
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lineSet->coordIndex.set1Value(5, SO_END_LINE_INDEX);
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getShapeRoot ()->addChild(lineSet);
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PartGui::SoBrepFaceSet *faceSet = new PartGui::SoBrepFaceSet();
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// SoBrepFaceSet supports only triangles (otherwice we recive incorrect highlighting
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faceSet->partIndex.set1Value(0, 2); // One face, two triangles
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faceSet->coordIndex.setNum(8);
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// first triangle
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faceSet->coordIndex.set1Value(0, 0);
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faceSet->coordIndex.set1Value(1, 1);
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faceSet->coordIndex.set1Value(2, 2);
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faceSet->coordIndex.set1Value(3, SO_END_FACE_INDEX);
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// second triangle
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faceSet->coordIndex.set1Value(4, 2);
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faceSet->coordIndex.set1Value(5, 3);
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faceSet->coordIndex.set1Value(6, 0);
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faceSet->coordIndex.set1Value(7, SO_END_FACE_INDEX);
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getShapeRoot ()->addChild(faceSet);
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}
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void ViewProviderDatumPlane::updateData(const App::Property* prop)
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{
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// Gets called whenever a property of the attached object changes
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PartDesign::Plane* pcDatum = static_cast<PartDesign::Plane*>(this->getObject());
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if (strcmp(prop->getName(),"Placement") == 0) {
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updateExtents ();
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}
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ViewProviderDatum::updateData(prop);
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}
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void ViewProviderDatumPlane::setExtents (Base::BoundBox3d bbox) {
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PartDesign::Plane* pcDatum = static_cast<PartDesign::Plane*>(this->getObject());
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Base::Placement plm = pcDatum->Placement.getValue ().inverse ();
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// Transform the box to the line's coordinates, the result line will be larger than the bbox
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bbox = bbox.Transformed ( plm.toMatrix() );
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// Add origin of the plane to the box if it's not
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bbox.Add ( Base::Vector3d (0, 0, 0) );
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double marging = sqrt(bbox.LengthX ()*bbox.LengthY ()) * marginFactor ();
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// Change the coordinates of the line
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pCoords->point.setNum (4);
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pCoords->point.set1Value(0, bbox.MaxX + marging, bbox.MaxY + marging, 0 );
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pCoords->point.set1Value(1, bbox.MinX - marging, bbox.MaxY + marging, 0 );
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pCoords->point.set1Value(2, bbox.MinX - marging, bbox.MinY - marging, 0 );
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pCoords->point.set1Value(3, bbox.MaxX + marging, bbox.MinY - marging, 0 );
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}
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