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create/src/Mod/PartDesign/Gui/ViewProviderDatumLine.cpp

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/***************************************************************************
* 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/SoPickStyle.h>
# include <Inventor/nodes/SoShapeHints.h>
# include <Inventor/nodes/SoMaterial.h>
# include <Inventor/nodes/SoBaseColor.h>
# include <Inventor/nodes/SoMarkerSet.h>
# include <Inventor/nodes/SoVertexProperty.h>
# include <Inventor/nodes/SoLineSet.h>
# include <Inventor/nodes/SoFaceSet.h>
# include <Inventor/details/SoLineDetail.h>
# include <Inventor/details/SoFaceDetail.h>
# include <Inventor/details/SoPointDetail.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/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()
{
SoMaterial* material = new SoMaterial();
material->diffuseColor.setValue(0.9f, 0.9f, 0.13);
material->transparency.setValue(0.2);
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(),"_Base") == 0) {
Base::Vector3d base = pcDatum->_Base.getValue();
Base::Vector3d dir = pcDatum->_Direction.getValue();
// 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.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
SoMFVec3f v;
v.setNum(2);
v.set1Value(0, p1.x, p1.y, p1.z);
v.set1Value(1, p2.x, p2.y, p2.z);
SoMFInt32 idx;
idx.setNum(1);
idx.set1Value(0, 2);
SoLineSet* lineSet;
SoVertexProperty* vprop;
if (pShapeSep->getNumChildren() == 1) {
lineSet = new SoLineSet();
vprop = new SoVertexProperty();
vprop->vertex = v;
lineSet->vertexProperty = vprop;
lineSet->numVertices = idx;
pShapeSep->addChild(lineSet);
} else {
lineSet = static_cast<SoLineSet*>(pShapeSep->getChild(1));
vprop = static_cast<SoVertexProperty*>(lineSet->vertexProperty.getValue());
vprop->vertex = v;
lineSet->numVertices = idx;
}
}
ViewProviderDatum::updateData(prop);
}