alexpete
43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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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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