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106 lines
3.2 KiB
106 lines
3.2 KiB
/* ============================================================
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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 : 2005-05-25
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* Description : Raindrop threaded image filter.
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*
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* Copyright (C) 2005-2007 by Gilles Caulier <caulier dot gilles at gmail dot com>
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* Copyright (C) 2006-2007 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
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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 RAINDROP_H
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#define RAINDROP_H
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// Digikam includes.
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#include "dimgthreadedfilter.h"
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class TQRect;
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namespace DigikamRainDropImagesPlugin
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{
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class RainDrop : public Digikam::DImgThreadedFilter
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{
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public:
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RainDrop(Digikam::DImg *orgImage, TQObject *parent=0, int drop=80,
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int amount=150, int coeff=30, TQRect *selection=0L);
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~RainDrop(){};
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private:
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virtual void filterImage(void);
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void rainDropsImage(Digikam::DImg *orgImage, Digikam::DImg *destImage, int MinDropSize, int MaxDropSize,
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int Amount, int Coeff, bool bLimitRange, int progressMin, int progressMax);
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bool CreateRainDrop(uchar *pBits, int Width, int Height, bool sixteenBit, int bytesDepth,
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uchar *pResBits, uchar* pStatusBits,
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int X, int Y, int DropSize, double Coeff, bool bLimitRange);
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bool CanBeDropped(int Width, int Height, uchar *pStatusBits, int X, int Y, int DropSize, bool bLimitRange);
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bool SetDropStatusBits (int Width, int Height, uchar *pStatusBits, int X, int Y, int DropSize);
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// A color is represented in RGB value (e.g. 0xFFFFFF is white color).
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// But R, G and B values has 256 values to be used so, this function analize
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// the value and limits to this range.
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inline int LimitValues8(int ColorValue)
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{
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if (ColorValue > 255) ColorValue = 255;
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if (ColorValue < 0) ColorValue = 0;
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return ColorValue;
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};
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inline int LimitValues16(int ColorValue)
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{
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if (ColorValue > 65535) ColorValue = 65535;
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if (ColorValue < 0) ColorValue = 0;
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return ColorValue;
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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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inline int Offset(int Width, int X, int Y, int bytesDepth)
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{
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return (Y * Width * bytesDepth + X * bytesDepth);
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};
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private:
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int m_drop;
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int m_amount;
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int m_coeff;
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int m_selectedX;
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int m_selectedY;
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int m_selectedW;
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int m_selectedH;
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};
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} // NameSpace DigikamRainDropImagesPlugin
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#endif /* RAINDROP_H */
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