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/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2005-05-25
* Description : Emboss threaded image filter.
*
* Copyright (C) 2005-2007 by Gilles Caulier <caulier dot gilles at gmail dot com>
* Copyright (C) 2006-2007 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
*
* Original Emboss algorithm copyrighted 2004 by
* Pieter Z. Voloshyn <pieter dot voloshyn 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 EMBOSS_H
#define EMBOSS_H
// Digikam includes.
#include "dimgthreadedfilter.h"
namespace DigikamEmbossImagesPlugin
{
class Emboss : public Digikam::DImgThreadedFilter
{
public:
Emboss(Digikam::DImg *orgImage, TQObject *parent=0, int depth=30);
~Emboss(){};
private:
virtual void filterImage(void);
void embossImage(Digikam::DImg *orgImage, Digikam::DImg *destImage, int d);
// Function to limit the max and min values defined by the developer.
inline int Lim_Max (int Now, int Up, int Max)
{
--Max;
while (Now > Max - Up)
--Up;
return (Up);
};
inline int getOffset(int Width, int X, int Y, int bytesDepth)
{
return (Y * Width * bytesDepth) + (X * bytesDepth);
};
private:
int m_depth;
};
} // NameSpace DigikamEmbossImagesPlugin
#endif /* EMBOSS_H */
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