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/* ============================================================
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*
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* This file is a part of digiKam project
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* http://www.digikam.org
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*
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* Date : 2005-07-18
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* Description : Free rotation threaded image filter.
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*
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* Copyright (C) 2004-2007 by Gilles Caulier <caulier dot gilles at gmail dot com>
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*
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* This program is free software; you can redistribute it
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* and/or modify it under the terms of the GNU General
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* Public License as published by the Free Software Foundation;
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* either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* ============================================================ */
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#ifndef FREE_ROTATION_H
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#define FREE_ROTATION_H
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// TQt includes.
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#include <tqsize.h>
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#include <tqcolor.h>
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// Digikam includes.
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#include "dimgthreadedfilter.h"
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namespace DigikamFreeRotationImagesPlugin
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{
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class FreeRotation : public Digikam::DImgThreadedFilter
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{
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public:
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FreeRotation(Digikam::DImg *orgImage, TQObject *parent=0, double angle=0.0,
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bool antialiasing=true, int autoCrop=NoAutoCrop, TQColor backgroundColor=TQt::black,
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int orgW=0, int orgH=0);
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~FreeRotation(){};
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TQSize getNewSize(void){ return m_newSize; };
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public:
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enum AutoCropTypes
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{
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NoAutoCrop=0,
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WidestArea,
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LargestArea
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};
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private:
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virtual void filterImage(void);
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inline int setPosition (int Width, int X, int Y)
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{
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return (Y *Width*4 + 4*X);
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};
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inline bool isInside (int Width, int Height, int X, int Y)
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{
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bool bIsWOk = ((X < 0) ? false : (X >= Width ) ? false : true);
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bool bIsHOk = ((Y < 0) ? false : (Y >= Height) ? false : true);
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return (bIsWOk && bIsHOk);
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};
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private:
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bool m_antiAlias;
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int m_autoCrop;
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int m_orgW;
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int m_orgH;
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double m_angle;
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TQSize m_newSize;
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TQColor m_backgroundColor;
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};
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} // NameSpace DigikamFreeRotationImagesPlugin
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#endif /* FREE_ROTATION_H */
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