contentawareresizetool.h

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/* ============================================================
 *
 * This file is a part of digiKam project
 * https://www.digikam.org
 *
 * Date        : 2009-02-01
 * Description : Content aware resizing tool.
 *
 * Copyright (C) 2009      by Julien Pontabry <julien dot pontabry at ulp dot u-strasbg dot fr>
 * Copyright (C) 2009-2022 by Gilles Caulier <caulier dot gilles at gmail dot 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, 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.
 *
 * ============================================================ */
 
#ifndef DIGIKAM_EDITOR_CONTENT_AWARE_RESIZE_TOOL_H
#define DIGIKAM_EDITOR_CONTENT_AWARE_RESIZE_TOOL_H
 
// Local includes
 
#include "editortool.h"
#include "dimg.h"
 
using namespace Digikam;
 
namespace DigikamEditorContentAwareResizeToolPlugin
{
 
class ContentAwareResizeTool : public EditorToolThreaded
{
    Q_OBJECT
 
public:
 
    explicit ContentAwareResizeTool(QObject* const parent);
    ~ContentAwareResizeTool()           override;
 
private:
 
    void writeSettings()                override;
    void readSettings()                 override;
    void preparePreview()               override;
    void prepareFinal()                 override;
    void setPreviewImage()              override;
    void setFinalImage()                override;
    void renderingFinished()            override;
    void blockWidgetSignals(bool b);
    void disableSettings();
    void contentAwareResizeCore(DImg* const image,
                                int target_width,
                                int target_height,
                                const QImage& mask);
    void enableMaskSettings(bool b);
    void enableContentAwareSettings(bool b);
    bool eventFilter(QObject*, QEvent*) override;
 
private Q_SLOTS:
 
    void slotResetSettings() override;
    void slotValuesChanged();
    void slotMixedRescaleValueChanged();
    void slotMaskColorChanged(int);
    void slotWeightMaskBoxStateChanged(int);
    void slotMaskPenSizeChanged(int);
 
private:
 
    class Private;
    Private* const d;
};
 
} // namespace DigikamEditorContentAwareResizeToolPlugin
 
#endif // DIGIKAM_EDITOR_CONTENT_AWARE_RESIZE_TOOL_H