af385f1c57
In most cases getBaseObject() is used with an exception handler which only detects if it failed but not the reason. This modification allows to use it without excess exception handlers. Also add the same parameter to SketchBased::getVerifiedSketch().
145 lines
6.4 KiB
C++
145 lines
6.4 KiB
C++
/***************************************************************************
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* Copyright (c) 2010 Juergen Riegel <FreeCAD@juergen-riegel.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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#ifndef PARTDESIGN_SketchBased_H
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#define PARTDESIGN_SketchBased_H
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#include <App/PropertyStandard.h>
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#include <Mod/Part/App/Part2DObject.h>
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#include "FeatureAddSub.h"
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class TopoDS_Shape;
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class TopoDS_Face;
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class TopoDS_Wire;
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class gp_Dir;
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class gp_Lin;
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namespace PartDesign
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{
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class PartDesignExport SketchBased : public PartDesign::FeatureAddSub
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{
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PROPERTY_HEADER(PartDesign::SketchBased);
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public:
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SketchBased();
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// Common properties for all sketch based features
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/// Sketch used to create this feature
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App::PropertyLink Sketch;
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/// Reverse extrusion direction
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App::PropertyBool Reversed;
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/// Make extrusion symmetric to sketch plane
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App::PropertyBool Midplane;
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/// Face to extrude up to
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App::PropertyLinkSub UpToFace;
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short mustExecute() const;
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/** calculates and updates the Placement property based on the features
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* this one is made from: either from Base, if there is one, or from sketch,
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* if there is no base.
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*/
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void positionByPrevious(void);
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/** applies a transform on the Placement of the Sketch or its
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* support if it has one
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*/
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virtual void transformPlacement(const Base::Placement &transform);
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/**
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* Verifies the linked Sketch object
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* @param silent if sketch property is malformed and the parameter is true
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* silently returns nullptr, otherwice throw a Base::Exception.
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* Default is false.
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*/
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Part::Part2DObject* getVerifiedSketch(bool silent=false) const;
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/// Returns the wires the sketch is composed of
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std::vector<TopoDS_Wire> getSketchWires() const;
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/// Returns the face of the sketch support (if any)
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const TopoDS_Face getSupportFace() const;
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/// retrieves the number of axes in the linked sketch (defined as construction lines)
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int getSketchAxisCount(void) const;
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virtual Part::Feature* getBaseObject(bool silent=false) const;
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protected:
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void onChanged(const App::Property* prop);
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TopoDS_Face validateFace(const TopoDS_Face&) const;
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TopoDS_Shape makeFace(const std::vector<TopoDS_Wire>&) const;
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TopoDS_Shape makeFace(std::list<TopoDS_Wire>&) const; // for internal use only
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bool isInside(const TopoDS_Wire&, const TopoDS_Wire&) const;
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bool isParallelPlane(const TopoDS_Shape&, const TopoDS_Shape&) const;
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bool isEqualGeometry(const TopoDS_Shape&, const TopoDS_Shape&) const;
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bool isQuasiEqual(const TopoDS_Shape&, const TopoDS_Shape&) const;
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void remapSupportShape(const TopoDS_Shape&);
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TopoDS_Shape refineShapeIfActive(const TopoDS_Shape&) const;
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/// Extract a face from a given LinkSub
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static void getUpToFaceFromLinkSub(TopoDS_Face& upToFace,
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const App::PropertyLinkSub& refFace);
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/// Find a valid face to extrude up to
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static void getUpToFace(TopoDS_Face& upToFace,
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const TopoDS_Shape& support,
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const TopoDS_Face& supportface,
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const TopoDS_Shape& sketchshape,
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const std::string& method,
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const gp_Dir& dir,
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const double offset);
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/**
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* Generate a linear prism
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* It will be a stand-alone solid created with BRepPrimAPI_MakePrism
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*/
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static void generatePrism(TopoDS_Shape& prism,
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const TopoDS_Shape& sketchshape,
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const std::string& method,
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const gp_Dir& direction,
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const double L,
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const double L2,
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const bool midplane,
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const bool reversed);
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/// Check whether the wire after projection on the face is inside the face
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static const bool checkWireInsideFace(const TopoDS_Wire& wire,
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const TopoDS_Face& face,
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const gp_Dir& dir);
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/// Check whether the line crosses the face (line and face must be on the same plane)
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static const bool checkLineCrossesFace(const gp_Lin& line, const TopoDS_Face& face);
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class Wire_Compare;
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/// Used to suggest a value for Reversed flag so that material is always removed (Groove) or added (Revolution) from the support
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const double getReversedAngle(const Base::Vector3d& b, const Base::Vector3d& v);
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/// get Axis from ReferenceAxis
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void getAxis(const App::DocumentObject* pcReferenceAxis, const std::vector<std::string>& subReferenceAxis,
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Base::Vector3d& base, Base::Vector3d& dir);
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};
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} //namespace PartDesign
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#endif // PARTDESIGN_SketchBased_H
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