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/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2005-03-27
* Description : Threaded image filter to fix hot pixels
*
* Copyright (C) 2005-2008 by Gilles Caulier <caulier dot gilles at gmail dot com>
* Copyright (C) 2005-2006 by Unai Garro <ugarro at users dot sourceforge dot net>
*
* 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 HOTPIXEL_H
#define HOTPIXEL_H
// TQt includes.
#include <tqrect.h>
namespace DigikamHotPixelsImagesPlugin
{
class HotPixel
{
public:
TQRect rect;
int luminosity;
int y() const {return rect.y(); };
int x() const {return rect.x(); };
int width()const {return rect.width(); };
int height()const {return rect.height();};
bool operator==(const HotPixel p) const
{
//we can say they're same hotpixel spot if they
//touch(next to) each other horizontally or vertically, not diagonal corners
//return (rect.intersects(p.rect));
return (rect != p.rect) && (x() + width() >= p.x() && x() <= p.x() + p.width()
&& y() + height() >= p.y() && y() <= p.y() + p.height())
&& !diagonal(rect, p.rect);
}
private:
bool diagonal(TQRect r1,TQRect r2) const
{
//locate next-to positions
bool top = r1.y() + height()-1 == r2.y()-1; //r1 is on the top of r2
bool left = r1.x() + width()-1 == r2.x()-1; //r1 is on the left of r2
bool right = r1.x() == r2.x() + r2.width();
bool bottom = r1.y() == r2.y() + r2.height();
return ((top && left) || (top && right) || (bottom && left) || (bottom && right));
}
};
} // NameSpace DigikamHotPixelsImagesPlugin
#endif // HOTPIXEL_H
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