/*
 *  Copyright (c) 2015 Dmitry Kazakov <dimula73@gmail.com>
 *
 *  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; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  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.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

#ifndef __KIS_REGENERATE_FRAME_STROKE_STRATEGY_H
#define __KIS_REGENERATE_FRAME_STROKE_STRATEGY_H

#include <kis_simple_stroke_strategy.h>

#include <QScopedPointer>

class KisRegion;

class KisImageAnimationInterface;


class KisRegenerateFrameStrokeStrategy : public KisSimpleStrokeStrategy
{
public:
    enum Type {
        EXTERNAL_FRAME,
        CURRENT_FRAME
    };


public:
    /**
     * Constructs a strategy that refreshes an external frame in the
     * background without ending/cancelling any running actions
     */
    KisRegenerateFrameStrokeStrategy(int frameId,
                                     const KisRegion &dirtyRegion,
                                     KisImageAnimationInterface *interface);

    /**
     * Regenerates current frame without affecting the frames cache.
     * Used for redrawing the image after switching frames.
     *
     * NOTE: in contrast to the other c-tor, refreshing current frame
     *       *does* end all the running stroke, because it is not a
     *       background action, but a distinct user action.
     */
    KisRegenerateFrameStrokeStrategy(KisImageAnimationInterface *interface);

    ~KisRegenerateFrameStrokeStrategy() override;

    void initStrokeCallback() override;
    void doStrokeCallback(KisStrokeJobData *data) override;
    void finishStrokeCallback() override;
    void cancelStrokeCallback() override;

    KisStrokeStrategy* createLodClone(int levelOfDetail) override;
    void suspendStrokeCallback() override;
    void resumeStrokeCallback() override;

    static QList<KisStrokeJobData*> createJobsData(KisImageWSP image);

private:
    struct Private;
    const QScopedPointer<Private> m_d;
};

#endif /* __KIS_REGENERATE_FRAME_STROKE_STRATEGY_H */
