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/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2005-17-07
* Description : A Gaussian Blur threaded image filter.
*
* Copyright (C) 2005-2007 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 DIMGGAUSSIAN_BLUR_H
#define DIMGGAUSSIAN_BLUR_H
// Digikam includes.
#include "digikam_export.h"
// Local includes.
#include "dimgthreadedfilter.h"
namespace Digikam
{
class DIGIKAM_EXPORT DImgGaussianBlur : public DImgThreadedFilter
{
public:
DImgGaussianBlur(DImg *orgImage, TQObject *parent=0, int radius=3);
// Constructor for slave mode: execute immediately in current thread with specified master filter
DImgGaussianBlur(DImgThreadedFilter *parentFilter, const DImg &orgImage, const DImg &destImage,
int progressBegin=0, int progressEnd=100, int radius=3);
~DImgGaussianBlur(){};
private: // Gaussian blur filter data.
int m_radius;
private: // Gaussian blur filter methods.
virtual void filterImage(void);
void gaussianBlurImage(uchar *data, int width, int height, bool sixteenBit, int radius);
// function to allocate a 2d array
int** Alloc2DArray (int Columns, int Rows)
{
// First, we declare our future 2d array to be returned
int** lpcArray = 0L;
// Now, we alloc the main pointer with Columns
lpcArray = new int*[Columns];
for (int i = 0; i < Columns; i++)
lpcArray[i] = new int[Rows];
return (lpcArray);
};
// Function to deallocates the 2d array previously created
void Free2DArray (int** lpcArray, int Columns)
{
// loop to dealocate the columns
for (int i = 0; i < Columns; i++)
delete [] lpcArray[i];
// now, we delete the main pointer
delete [] lpcArray;
};
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);
};
};
} // NameSpace Digikam
#endif /* DIMGGAUSSIAN_BLUR_H */
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