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/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2005-07-18
* Description : Shear threaded image filter.
*
* Copyright (C) 2005-2008 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 SHEAR_H
#define SHEAR_H
// TQt includes.
#include <tqsize.h>
#include <tqcolor.h>
// Digikam includes.
#include "dimgthreadedfilter.h"
namespace DigikamShearToolImagesPlugin
{
class Shear : public Digikam::DImgThreadedFilter
{
public:
Shear(Digikam::DImg *orgImage, TQObject *parent=0, float hAngle=0.0, float vAngle=0.0,
bool antialiasing=true, TQColor backgroundColor=TQt::black, int orgW=0, int orgH=0);
~Shear(){};
TQSize getNewSize(void){ return m_newSize; };
private:
virtual void filterImage(void);
inline int setPosition (int Width, int X, int Y)
{
return (Y *Width*4 + 4*X);
};
inline bool isInside (int Width, int Height, int X, int Y)
{
bool bIsWOk = ((X < 0) ? false : (X >= Width ) ? false : true);
bool bIsHOk = ((Y < 0) ? false : (Y >= Height) ? false : true);
return (bIsWOk && bIsHOk);
};
private:
bool m_antiAlias;
int m_orgW;
int m_orgH;
float m_hAngle;
float m_vAngle;
TQColor m_backgroundColor;
TQSize m_newSize;
};
} // NameSpace DigikamShearToolImagesPlugin
#endif /* SHEAR_H */
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