Steve Pham
38261d0800
* Updated all copyright headers to split the longer original copyright line into 2 shorter lines Signed-off-by: Steve Pham <spham@amazon.com>
39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#pragma once
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//! UiAnimUndoObject is a interface of general Undo object that makes up
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//! part of a UiAnimUndoStep
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struct UiAnimUndoObject
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{
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UiAnimUndoObject() {}
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// Virtual destructor.
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virtual ~UiAnimUndoObject() {};
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//! Called to delete undo object.
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virtual void Release() { delete this; };
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//! Return size of this Undo object.
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virtual int GetSize() = 0;
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//! Return description of this Undo object.
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virtual const char* GetDescription() = 0;
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//! Undo this object.
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//! @param bUndo If true this operation called in response to Undo operation.
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virtual void Undo(bool bUndo = true) = 0;
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//! Redo undone changes on object.
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virtual void Redo() = 0;
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// Returns the name of undo object
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virtual const char* GetObjectName() { return 0; };
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virtual bool IsChanged([[maybe_unused]] unsigned int& compareValue) const { return false; }
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};
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