FreeCAD/src/Mod/Raytracing/App/RayFeature.cpp

92 lines
3.8 KiB
C++

/***************************************************************************
* Copyright (c) Jürgen Riegel (juergen.riegel@web.de) 2002 *
* *
* 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 <Standard.hxx>
#endif
#include <Base/Exception.h>
#include <Base/FileInfo.h>
#include <Mod/Part/App/PartFeature.h>
#include "RayFeature.h"
#include "PovTools.h"
using namespace Raytracing;
PROPERTY_SOURCE(Raytracing::RayFeature, Raytracing::RaySegment)
//===========================================================================
// Feature
//===========================================================================
RayFeature::RayFeature(void)
{
ADD_PROPERTY(Source,(0));
ADD_PROPERTY(Color,(App::Color(0.5f,0.5f,0.5f)));
ADD_PROPERTY(Transparency,(0));
}
App::DocumentObjectExecReturn *RayFeature::execute(void)
{
std::stringstream result;
std::string ViewName = getNameInDocument();
App::DocumentObject* link = Source.getValue();
if (!link)
return new App::DocumentObjectExecReturn("No object linked");
if (!link->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId()))
return new App::DocumentObjectExecReturn("Linked object is not a Part object");
TopoDS_Shape shape = static_cast<Part::Feature*>(link)->Shape.getShape()._Shape;
std::string Name(std::string("Pov_")+static_cast<Part::Feature*>(link)->getNameInDocument());
if (shape.IsNull())
return new App::DocumentObjectExecReturn("Linked shape object is empty");
PovTools::writeShape(result,Name.c_str(),shape);
// This must not be done in PovTools::writeShape!
long t = Transparency.getValue();
const App::Color& c = Color.getValue();
result << "// instance to render" << endl
<< "object {" << Name << endl
<< " texture {" << endl;
if (t == 0) {
result << " pigment {color rgb <"<<c.r<<","<<c.g<<","<<c.b<<">}" << endl;
}
else {
float trans = t/100.0f;
result << " pigment {color rgb <"<<c.r<<","<<c.g<<","<<c.b<<"> transmit "<<trans<<"}" << endl;
}
result << " finish {StdFinish } //definition on top of the project" << endl
<< " }" << endl
<< "}" << endl ;
// Apply the resulting fragment
Result.setValue(result.str().c_str());
return App::DocumentObject::StdReturn;
}