undoredocommand.h

/*
 
Pencil2D - Traditional Animation Software
Copyright (C) 2005-2007 Patrick Corrieri & Pascal Naidon
Copyright (C) 2008-2009 Mj Mendoza IV
Copyright (C) 2012-2020 Matthew Chiawen Chang
 
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; version 2 of the License.
 
This program 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 General Public License for more details.
 
*/
 
#ifndef UNDOREDOCOMMAND_H
#define UNDOREDOCOMMAND_H
 
#include <QUndoCommand>
#include <QRectF>
 
#include "bitmapimage.h"
#include "vectorimage.h"
 
class Editor;
class UndoRedoManager;
class PreferenceManager;
class SoundClip;
class Camera;
class Layer;
class KeyFrame;
class TransformCommand;
 
class UndoRedoCommand : public QUndoCommand
{
public:
    explicit UndoRedoCommand(Editor* editor, QUndoCommand* parent = nullptr);
    ~UndoRedoCommand() override;
 
protected:
    Editor* editor() { return mEditor; }
 
    bool isFirstRedo() const { return mIsFirstRedo; }
    void setFirstRedo(const bool state) { mIsFirstRedo = state; }
 
private:
    Editor* mEditor = nullptr;
    bool mIsFirstRedo = true;
};
 
class BitmapReplaceCommand : public UndoRedoCommand
{
 
public:
    BitmapReplaceCommand(const BitmapImage* backupBitmap,
                  const int undoLayerId,
                  const QString& description,
                  Editor* editor,
                  QUndoCommand* parent = nullptr);
 
    void undo() override;
    void redo() override;
 
private:
    int undoLayerId = 0;
    int redoLayerId = 0;
 
    BitmapImage undoBitmap;
    BitmapImage redoBitmap;
};
 
class VectorReplaceCommand : public UndoRedoCommand
{
public:
    VectorReplaceCommand(const VectorImage* undoVector,
                     const int undoLayerId,
                     const QString& description,
                     Editor* editor,
                     QUndoCommand* parent = nullptr);
 
    void undo() override;
    void redo() override;
 
private:
    int undoLayerId = 0;
    int redoLayerId = 0;
 
    VectorImage undoVector;
    VectorImage redoVector;
};
 
class TransformCommand : public UndoRedoCommand
 
{
public:
    TransformCommand(const QRectF& undoSelectionRect,
                     const QPointF& undoTranslation,
                     const qreal undoRotationAngle,
                     const qreal undoScaleX,
                     const qreal undoScaleY,
                     const QPointF& undoTransformAnchor,
                     const bool roundPixels,
                     const QString& description,
                     Editor* editor,
                     QUndoCommand* parent = nullptr);
 
    void undo() override;
    void redo() override;
 
private:
    void apply(const QRectF& selectionRect,
               const QPointF& translation,
               const qreal rotationAngle,
               const qreal scaleX,
               const qreal scaleY,
               const QPointF& selectionAnchor,
               const bool roundPixels);
 
    QRectF undoSelectionRect;
    QRectF redoSelectionRect;
 
    QPointF undoAnchor;
    QPointF redoAnchor;
 
    QPointF undoTranslation;
    QPointF redoTranslation;
 
    qreal undoScaleX;
    qreal undoScaleY;
 
    qreal redoScaleX;
    qreal redoScaleY;
 
    qreal undoRotationAngle;
    qreal redoRotationAngle;
 
    bool roundPixels;
};
 
#endif // UNDOREDOCOMMAND_H