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* Copyright (c) 2010 Juergen Riegel <FreeCAD@juergen-riegel.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 *
* *
***************************************************************************/
#ifndef PARTDESIGN_Helix_H
#define PARTDESIGN_Helix_H
#include <App/PropertyUnits.h>
#include "FeatureSketchBased.h"
#include <TopoDS_Shape.hxx>
namespace PartDesign
{
enum class HelixMode
{
pitch_height_angle,
pitch_turns_angle,
height_turns_angle,
height_turns_growth
};
class PartDesignExport Helix: public ProfileBased
{
PROPERTY_HEADER_WITH_OVERRIDE(PartDesign::Helix);
public:
Helix();
App::PropertyVector Base;
App::PropertyVector Axis;
App::PropertyLength Pitch;
App::PropertyLength Height;
App::PropertyFloatConstraint Turns;
App::PropertyBool LeftHanded;
App::PropertyAngle Angle;
App::PropertyDistance Growth;
App::PropertyEnumeration Mode;
App::PropertyBool Outside;
App::PropertyBool HasBeenEdited;
App::PropertyFloatConstraint Tolerance;
/** if this property is set to a valid link, both Axis and Base properties
* are calculated according to the linked line
*/
App::PropertyLinkSub ReferenceAxis;
/** @name methods override feature */
//@{
App::DocumentObjectExecReturn* execute() override;
short mustExecute() const override;
/// returns the type name of the view provider
const char* getViewProviderName() const override
{
return "PartDesignGui::ViewProviderHelix";
}
//@}
void proposeParameters(bool force = false);
double safePitch();
protected:
/// updates Axis from ReferenceAxis
void updateAxis();
/// generate helix and move it to the right location.
TopoDS_Shape generateHelixPath(double breakAtTurn = 1.);
// project shape on plane. Used for detecting self intersection.
TopoDS_Shape projectShape(const TopoDS_Shape& input, const gp_Ax2& plane);
// center of profile bounding box
Base::Vector3d getProfileCenterPoint();
// handle changed property types for backward compatibility
void handleChangedPropertyType(
Base::XMLReader& reader,
const char* TypeName,
App::Property* prop
) override;
void onChanged(const App::Property* prop) override;
static const App::PropertyFloatConstraint::Constraints floatTurns;
static const App::PropertyAngle::Constraints floatAngle;
static const App::PropertyFloatConstraint::Constraints floatTolerance;
private:
static const char* ModeEnums[];
// Sets the read-only status bit for properties depending on the input mode.
void setReadWriteStatusForMode(HelixMode inputMode);
};
class PartDesignExport AdditiveHelix: public Helix
{
PROPERTY_HEADER_WITH_OVERRIDE(PartDesign::AdditiveHelix);
public:
AdditiveHelix();
};
class PartDesignExport SubtractiveHelix: public Helix
{
PROPERTY_HEADER_WITH_OVERRIDE(PartDesign::SubtractiveHelix);
public:
SubtractiveHelix();
};
} // namespace PartDesign
#endif // PART_Helix_H
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