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/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2005-17-07
* Description : A Sharpen 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 DIMGSHARPEN_H
#define DIMGSHARPEN_H
// Digikam includes.
#include "digikam_export.h"
// Local includes.
#include "dimgthreadedfilter.h"
namespace Digikam
{
class DIGIKAM_EXPORT DImgSharpen : public DImgThreadedFilter
{
public:
DImgSharpen(DImg *orgImage, TQObject *parent=0, double radius=0.0, double sigma=1.0);
// Constructor for slave mode: execute immediately in current thread with specified master filter
DImgSharpen(DImgThreadedFilter *parentFilter, const DImg &orgImage, const DImg &destImage,
int progressBegin=0, int progressEnd=100, double radius=0.0, double sigma=1.0);
~DImgSharpen(){};
private: // DImgSharpen filter data.
double m_radius;
double m_sigma;
private: // DImgSharpen filter methods.
virtual void filterImage(void);
void sharpenImage(double radius, double sigma);
bool convolveImage(const unsigned int order, const double *kernel);
int getOptimalKernelWidth(double radius, double sigma);
};
} // NameSpace Digikam
#endif /* DIMGSHARPEN_H */
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