4702c72fb8
This commit refactor ViewProviderDragger and TaskCSysDragger to be more modern and to support selecting TransformOrigin.
75 lines
2.8 KiB
C++
75 lines
2.8 KiB
C++
// SPDX-License-Identifier: LGPL-2.1-or-later
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/****************************************************************************
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* *
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* Copyright (c) 2024 Kacper Donat <kacper@kadet.net> *
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* *
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* This file is part of FreeCAD. *
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* *
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* FreeCAD is free software: you can redistribute it and/or modify it *
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* under the terms of the GNU Lesser General Public License as *
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* published by the Free Software Foundation, either version 2.1 of the *
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* License, or (at your option) any later version. *
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* *
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* FreeCAD is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with FreeCAD. If not, see *
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* <https://www.gnu.org/licenses/>. *
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* *
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***************************************************************************/
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#ifndef APP_SERVICES_H
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#define APP_SERVICES_H
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#include "DocumentObject.h"
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#include <optional>
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#include <Base/Placement.h>
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namespace App
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{
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/**
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* This service should provide placement of given sub object (like for example face).
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* This feature is not implemented in the core and so it must be provided by module.
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*/
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class SubObjectPlacementProvider
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{
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public:
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virtual ~SubObjectPlacementProvider() = default;
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/**
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* Returns placement of sub object relative to the base placement.
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*/
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virtual Base::Placement calculate(SubObjectT object, Base::Placement basePlacement) const = 0;
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};
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/**
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* This service should provide center of mass calculation;
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*/
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class CenterOfMassProvider
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{
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public:
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virtual ~CenterOfMassProvider() = default;
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virtual std::optional<Base::Vector3d> ofDocumentObject(DocumentObject* object) const = 0;
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};
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/**
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* Default implementation for the center of mass contract
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* It always returns empty optional
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*/
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class NullCenterOfMass final : public CenterOfMassProvider
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{
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public:
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std::optional<Base::Vector3d> ofDocumentObject(DocumentObject* object) const override;
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};
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}
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#endif // APP_SERVICES_H
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