FreeCAD/src/Mod/Drawing/App/FeatureViewPart.cpp
2014-07-18 10:43:16 +02:00

153 lines
6.3 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 <sstream>
#endif
#include <HLRBRep_Algo.hxx>
#include <TopoDS_Shape.hxx>
#include <HLRTopoBRep_OutLiner.hxx>
//#include <BRepAPI_MakeOutLine.hxx>
#include <HLRAlgo_Projector.hxx>
#include <HLRBRep_ShapeBounds.hxx>
#include <HLRBRep_HLRToShape.hxx>
#include <gp_Ax2.hxx>
#include <gp_Pnt.hxx>
#include <gp_Dir.hxx>
#include <Poly_Polygon3D.hxx>
#include <Poly_Triangulation.hxx>
#include <Poly_PolygonOnTriangulation.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Vertex.hxx>
#include <TopExp.hxx>
#include <TopExp_Explorer.hxx>
#include <TopTools_IndexedMapOfShape.hxx>
#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
#include <TopTools_ListOfShape.hxx>
#include <TColgp_Array1OfPnt2d.hxx>
#include <BRep_Tool.hxx>
#include <Base/Exception.h>
#include <Base/FileInfo.h>
#include <Mod/Part/App/PartFeature.h>
#include "FeatureViewPart.h"
#include "ProjectionAlgos.h"
using namespace Drawing;
using namespace std;
//===========================================================================
// FeatureViewPart
//===========================================================================
App::PropertyFloatConstraint::Constraints FeatureViewPart::floatRange = {0.01,5.0,0.05};
PROPERTY_SOURCE(Drawing::FeatureViewPart, Drawing::FeatureView)
FeatureViewPart::FeatureViewPart(void)
{
static const char *group = "Shape view";
static const char *vgroup = "Drawing view";
ADD_PROPERTY_TYPE(Direction ,(0,0,1.0),group,App::Prop_None,"Projection direction");
ADD_PROPERTY_TYPE(Source ,(0),group,App::Prop_None,"Shape to view");
ADD_PROPERTY_TYPE(ShowHiddenLines ,(false),group,App::Prop_None,"Control the appearance of the dashed hidden lines");
ADD_PROPERTY_TYPE(ShowSmoothLines ,(false),group,App::Prop_None,"Control the appearance of the smooth lines");
ADD_PROPERTY_TYPE(LineWidth,(0.35),vgroup,App::Prop_None,"The thickness of the viewed lines");
ADD_PROPERTY_TYPE(HiddenWidth,(0.15),vgroup,App::Prop_None,"The thickness of the hidden lines, if enabled");
ADD_PROPERTY_TYPE(Tolerance,(0.05),vgroup,App::Prop_None,"The tessellation tolerance");
Tolerance.setConstraints(&floatRange);
}
FeatureViewPart::~FeatureViewPart()
{
}
App::DocumentObjectExecReturn *FeatureViewPart::execute(void)
{
std::stringstream result;
std::string ViewName = Label.getValue();
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;
if (shape.IsNull())
return new App::DocumentObjectExecReturn("Linked shape object is empty");
Base::Vector3d Dir = Direction.getValue();
bool hidden = ShowHiddenLines.getValue();
bool smooth = ShowSmoothLines.getValue();
try {
ProjectionAlgos Alg(shape,Dir);
result << "<g"
<< " id=\"" << ViewName << "\"" << endl
<< " transform=\"rotate("<< Rotation.getValue() << ","<< X.getValue()<<","<<Y.getValue()<<") translate("<< X.getValue()<<","<<Y.getValue()<<") scale("<< Scale.getValue()<<","<<Scale.getValue()<<")\"" << endl
<< " >" << endl;
ProjectionAlgos::ExtractionType type = ProjectionAlgos::Plain;
if (hidden) type = (ProjectionAlgos::ExtractionType)(type|ProjectionAlgos::WithHidden);
if (smooth) type = (ProjectionAlgos::ExtractionType)(type|ProjectionAlgos::WithSmooth);
result << Alg.getSVG(type, this->LineWidth.getValue() / this->Scale.getValue(), this->Tolerance.getValue(), this->HiddenWidth.getValue() / this->Scale.getValue());
result << "</g>" << endl;
// Apply the resulting fragment
ViewResult.setValue(result.str().c_str());
return App::DocumentObject::StdReturn;
}
catch (Standard_Failure) {
Handle_Standard_Failure e = Standard_Failure::Caught();
return new App::DocumentObjectExecReturn(e->GetMessageString());
}
}
// Python Drawing feature ---------------------------------------------------------
namespace App {
/// @cond DOXERR
PROPERTY_SOURCE_TEMPLATE(Drawing::FeatureViewPartPython, Drawing::FeatureViewPart)
template<> const char* Drawing::FeatureViewPartPython::getViewProviderName(void) const {
return "DrawingGui::ViewProviderDrawingView";
}
/// @endcond
// explicit template instantiation
template class DrawingExport FeaturePythonT<Drawing::FeatureViewPart>;
}