resizetool.h

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/* ============================================================
 *
 * This file is a part of digiKam project
 * https://www.digikam.org
 *
 * Date        : 2005-04-07
 * Description : a tool to resize an image
 *
 * Copyright (C) 2005-2022 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_RESIZE_TOOL_H
#define DIGIKAM_EDITOR_RESIZE_TOOL_H
 
// Qt includes
 
#include <QString>
 
// Local includes
 
#include "editortool.h"
 
using namespace Digikam;
 
namespace DigikamEditorResizeToolPlugin
{
 
class ResizeTool : public EditorToolThreaded
{
    Q_OBJECT
 
public:
 
    explicit ResizeTool(QObject* const parent);
    ~ResizeTool()               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);
 
    double pixelsToUnits(int pix);
    int    unitsToPixels(double val);
 
private Q_SLOTS:
 
    void slotSaveAsSettings()   override;
    void slotLoadSettings()     override;
    void slotResetSettings()    override;
    void slotValuesChanged();
    void slotUnitsChanged();
    void slotPresetsChanged();
    void slotRestorationToggled(bool);
 
private:
 
    class Private;
    Private* const d;
};
 
} // namespace DigikamEditorResizeToolPlugin
 
#endif // DIGIKAM_EDITOR_RESIZE_TOOL_H