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/* ============================================================
* Authors: Unai Garro <ugarro at users dot sourceforge dot net>
* Gilles Caulier <caulier dot gilles at free dot fr>
* Date : 2005-03-27
* Description : Threaded image filter to fix hot pixels
*
* Copyright 2005-2007 by Unai Garro and Gilles Caulier
*
* The algorithm for fixing the hot pixels was based on
* the code of jpegpixi, which was released under the GPL license,
* and is Copyright (C) 2003, 2004 Martin Dickopp
*
* 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 HOTPIXELFIXER_H
#define HOTPIXELFIXER_H
// TQt includes.
#include <tqimage.h>
#include <tqobject.h>
#include <tqvaluelist.h>
#include <tqrect.h>
#include <tqstring.h>
// Digikam includes.
#include "dimgthreadedfilter.h"
// Local includes.
#include "hotpixel.h"
#include "weights.h"
namespace DigikamHotPixelsImagesPlugin
{
class HotPixelFixer : public Digikam::DImgThreadedFilter
{
public:
enum InterpolationMethod
{
AVERAGE_INTERPOLATION = 0,
LINEAR_INTERPOLATION = 1,
QUADRATIC_INTERPOLATION = 2,
CUBIC_INTERPOLATION = 3
};
enum Direction
{
TWODIM_DIRECTION = 0,
VERTICAL_DIRECTION = 1,
HORIZONTAL_DIRECTION = 2
};
public:
HotPixelFixer(Digikam::DImg *orgImage, TQObject *parent,
const TQValueList<HotPixel>& hpList, int interpolationMethod);
~HotPixelFixer();
private:
virtual void filterImage(void);
void interpolate (Digikam::DImg &img,HotPixel &hp, int method);
void weightPixels (Digikam::DImg &img, HotPixel &px, int method, Direction dir, int maxComponent);
inline bool validPoint(Digikam::DImg &img, TQPoint p)
{
return (p.x()>=0 && p.y()>=0 && p.x()<(long) img.width() && p.y()<(long) img.height());
};
TQValueList <Weights> mWeightList;
private:
int m_interpolationMethod;
TQValueList<HotPixel> m_hpList;
};
} // NameSpace DigikamHotPixelsImagesPlugin
#endif // HOTPIXELFIXER_H
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