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/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2005-05-25
* Description : Charcoal threaded image filter.
*
* Copyright (C) 2005-2007 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 CHARCOAL_H
#define CHARCOAL_H
// Digikam includes.
#include "dimgthreadedfilter.h"
namespace DigikamCharcoalImagesPlugin
{
class Charcoal : public Digikam::DImgThreadedFilter
{
public:
Charcoal(Digikam::DImg *orgImage, TQObject *parent=0, double pencil=5.0, double smooth=10.0);
~Charcoal(){};
private:
void filterImage(void);
bool convolveImage(const unsigned int order, const double *kernel);
int getOptimalKernelWidth(double radius, double sigma);
private:
double m_pencil;
double m_smooth;
};
} // NameSpace DigikamCharcoalImagesPlugin
#endif /* CHARCOAL_H */
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