/* ============================================================
 *
 * This file is a part of digiKam project
 * http://www.digikam.org
 *
 * Date        : 2004-08-26
 * Description : a digikam image editor plugin to 
 *               simulate charcoal drawing.
 *
 * Copyright (C) 2004-2008 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 IMAGEEFFECT_CHARCOAL_H
#define IMAGEEFFECT_CHARCOAL_H

// Local includes.

#include "ctrlpaneldlg.h"

class KIntNumInput;

namespace DigikamCharcoalImagesPlugin
{

class ImageEffect_Charcoal : public Digikam::CtrlPanelDlg
{
    Q_OBJECT
  TQ_OBJECT

public:

    ImageEffect_Charcoal(TQWidget* parent);
    ~ImageEffect_Charcoal();

private slots:

    void readUserSettings();

private:

    void writeUserSettings();
    void resetValues();    
    void prepareEffect();
    void prepareFinal();
    void putPreviewData();
    void putFinalData();
    void renderingFinished();

private:

    KIntNumInput *m_pencilInput;
    KIntNumInput *m_smoothInput;
};

}  // NameSpace DigikamCharcoalImagesPlugin

#endif /* IMAGEEFFECT_CHARCOAL_H */
