Files
create/src/App/GeoFeature.h
wmayer 749361d2f3 App: modernize C++11
* use nullptr
2022-03-23 17:29:23 +01:00

129 lines
5.5 KiB
C++

/***************************************************************************
* Copyright (c) 2002 Jürgen Riegel <juergen.riegel@web.de> *
* *
* 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 APP_GEOFEATURE_H
#define APP_GEOFEATURE_H
#include "DocumentObject.h"
#include "PropertyGeo.h"
namespace App
{
/** Base class of all geometric document objects.
*/
class AppExport GeoFeature : public App::DocumentObject
{
PROPERTY_HEADER(App::GeoFeature);
public:
PropertyPlacement Placement;
/// Constructor
GeoFeature(void);
virtual ~GeoFeature();
/**
* @brief transformPlacement applies transform to placement of this shape.
* Override this function to propagate the change of placement to base
* features, for example. By the time of writing this comment, the function
* was only called by alignment task (Edit->Alignment)
* @param transform (input).
*/
virtual void transformPlacement(const Base::Placement &transform);
/**
* This method returns the main property of a geometric object that holds
* the actual geometry. For a part object this is the Shape property, for
* a mesh object the Mesh property and so on.
* The default implementation returns null.
*/
virtual const PropertyComplexGeoData* getPropertyOfGeometry() const;
/**
* @brief getPyObject returns the Python binding object
* @return the Python binding object
*/
virtual PyObject* getPyObject(void);
/// Specify the type of element name to return when calling getElementName()
enum ElementNameType {
/// Normal usage
Normal=0,
/// For importing
Import=1,
/// For exporting
Export=2,
};
/** Return the new and old style sub-element name
*
* @param name: input name
* @param type: desired element name type to return
*
* @return a pair(newName,oldName). New element name may be empty.
*
* This function currently is does nothing. The new style element name
* generation will be added in the next batch of patches.
*/
virtual std::pair<std::string,std::string> getElementName(
const char *name, ElementNameType type=Normal) const;
/** Resolve both the new and old style element name
*
* @param obj: top parent object
* @param subname: subname reference
* @param elementName: output of a pair(newElementName,oldElementName)
* @param append: Whether to include subname prefix into the returned
* element name
* @param type: the type of element name to request
* @param filter: If none zero, then only perform lookup when the element
* owner object is the same as this filter
* @param element: return the start of element name in subname
*
* @return Return the owner object of the element
*/
static DocumentObject *resolveElement(App::DocumentObject *obj,
const char *subname, std::pair<std::string,std::string> &elementName,
bool append=false, ElementNameType type=Normal,
const DocumentObject *filter=nullptr,const char **element=nullptr, GeoFeature **geo=nullptr);
/**
* @brief Calculates the placement in the global reference coordinate system
*
* In FreeCAD the GeoFeature placement describes the local placement of the object in its parent
* coordinate system. This is however not always the same as the global reference system. If the
* object is in a GeoFeatureGroup, hence in another local coordinate system, the Placement
* property does only give the local transformation. This function can be used to calculate the
* placement of the object in the global reference coordinate system taking all stacked local
* systems into account.
*
* @return Base::Placement The transformation from the global reference coordinate system
*/
Base::Placement globalPlacement() const;
};
} //namespace App
#endif // APP_GEOFEATURE_H