Files
create/src/Mod/PartDesign/Gui/ViewProviderDatumLine.cpp
2016-04-12 18:12:07 +02:00

124 lines
5.0 KiB
C++

/***************************************************************************
* Copyright (c) 2013 Jan Rheinlaender <jrheinlaender@users.sourceforge.net> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 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 Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
# include <Inventor/nodes/SoSeparator.h>
# include <Inventor/nodes/SoMaterial.h>
# include <Inventor/nodes/SoCoordinate3.h>
# include <TopoDS_Vertex.hxx>
# include <TopoDS.hxx>
# include <BRep_Tool.hxx>
# include <gp_Pnt.hxx>
# include <Precision.hxx>
# include <Geom_Plane.hxx>
# include <Geom_Line.hxx>
# include <GeomAPI_IntCS.hxx>
#endif
#include "ViewProviderDatumLine.h"
#include "TaskDatumParameters.h"
#include "Workbench.h"
#include <Mod/Part/Gui/SoBrepFaceSet.h>
#include <Mod/Part/Gui/SoBrepEdgeSet.h>
#include <Mod/Part/Gui/SoBrepPointSet.h>
#include <Mod/PartDesign/App/DatumLine.h>
#include <Gui/Control.h>
#include <Gui/Command.h>
#include <Gui/Application.h>
#include <Mod/PartDesign/App/Body.h>
using namespace PartDesignGui;
PROPERTY_SOURCE(PartDesignGui::ViewProviderDatumLine,PartDesignGui::ViewProviderDatum)
ViewProviderDatumLine::ViewProviderDatumLine()
{
sPixmap = "PartDesign_Line.svg";
SoMaterial* material = new SoMaterial();
material->diffuseColor.setValue(0.9f, 0.9f, 0.13f);
material->transparency.setValue(0.2f);
pShapeSep->addChild(material);
}
ViewProviderDatumLine::~ViewProviderDatumLine()
{
}
void ViewProviderDatumLine::updateData(const App::Property* prop)
{
// Gets called whenever a property of the attached object changes
PartDesign::Line* pcDatum = static_cast<PartDesign::Line*>(this->getObject());
if (strcmp(prop->getName(),"Placement") == 0) {
Base::Placement plm = pcDatum->Placement.getValue();
plm.invert();
Base::Vector3d base(0,0,0);
Base::Vector3d dir(0,0,1);
// Get limits of the line from bounding box of the body
PartDesign::Body* body = static_cast<PartDesign::Body*>(Part::BodyBase::findBodyOf(this->getObject()));
if (body == NULL)
return;
Base::BoundBox3d bbox = body->getBoundBox();
bbox = bbox.Transformed(plm.toMatrix());
bbox.Enlarge(0.1 * bbox.CalcDiagonalLength());
Base::Vector3d p1, p2;
if (bbox.IsInBox(base)) {
bbox.IntersectionPoint(base, dir, p1, Precision::Confusion());
bbox.IntersectionPoint(base, -dir, p2, Precision::Confusion());
} else {
bbox.IntersectWithLine(base, dir, p1, p2);
if ((p1 == Base::Vector3d(0,0,0)) && (p2 == Base::Vector3d(0,0,0)))
bbox.IntersectWithLine(base, -dir, p1, p2);
}
// Display the line
PartGui::SoBrepEdgeSet* lineSet;
SoCoordinate3* coord;
if (pShapeSep->getNumChildren() == 1) {
coord = new SoCoordinate3();
coord->point.setNum(2);
coord->point.set1Value(0, p1.x, p1.y, p1.z);
coord->point.set1Value(1, p2.x, p2.y, p2.z);
pShapeSep->addChild(coord);
lineSet = new PartGui::SoBrepEdgeSet();
lineSet->coordIndex.setNum(2);
lineSet->coordIndex.set1Value(0, 0);
lineSet->coordIndex.set1Value(1, 1);
pShapeSep->addChild(lineSet);
} else {
coord = static_cast<SoCoordinate3*>(pShapeSep->getChild(1));
coord->point.set1Value(0, p1.x, p1.y, p1.z);
coord->point.set1Value(1, p2.x, p2.y, p2.z);
}
}
ViewProviderDatum::updateData(prop);
}