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diff --git a/src/imageplugins/hotpixels/hotpixel.h b/src/imageplugins/hotpixels/hotpixel.h
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+++ b/src/imageplugins/hotpixels/hotpixel.h
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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