You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
150 lines
4.8 KiB
150 lines
4.8 KiB
/* ============================================================
|
|
*
|
|
* This file is a part of digiKam project
|
|
* http://www.digikam.org
|
|
*
|
|
* Date : 2005-07-18
|
|
* Description : Distortion FX 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 Distortion algorithms copyrighted 2004-2005 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 DISTORTION_FX_H
|
|
#define DISTORTION_FX_H
|
|
|
|
// TQt includes.
|
|
|
|
#include <tqsize.h>
|
|
|
|
// Digikam includes.
|
|
|
|
#include "dimgthreadedfilter.h"
|
|
|
|
namespace DigikamDistortionFXImagesPlugin
|
|
{
|
|
|
|
class DistortionFX : public Digikam::DImgThreadedFilter
|
|
{
|
|
|
|
public:
|
|
|
|
DistortionFX(Digikam::DImg *orgImage, TQObject *parent=0, int effectType=0,
|
|
int level=0, int iteration=0, bool antialiasing=true);
|
|
|
|
~DistortionFX(){};
|
|
|
|
public:
|
|
|
|
enum DistortionFXTypes
|
|
{
|
|
FishEye=0,
|
|
Twirl,
|
|
CilindricalHor,
|
|
CilindricalVert,
|
|
CilindricalHV,
|
|
Caricature,
|
|
MultipleCorners,
|
|
WavesHorizontal,
|
|
WavesVertical,
|
|
BlockWaves1,
|
|
BlockWaves2,
|
|
CircularWaves1,
|
|
CircularWaves2,
|
|
PolarCoordinates,
|
|
UnpolarCoordinates,
|
|
Tile
|
|
};
|
|
|
|
private:
|
|
|
|
virtual void filterImage(void);
|
|
|
|
// Backported from ImageProcessing version 2
|
|
void fisheye(Digikam::DImg *orgImage, Digikam::DImg *destImage, double Coeff, bool AntiAlias=true);
|
|
void twirl(Digikam::DImg *orgImage, Digikam::DImg *destImage, int Twirl, bool AntiAlias=true);
|
|
void cilindrical(Digikam::DImg *orgImage, Digikam::DImg *destImage, double Coeff,
|
|
boolQt::Horizontal, boolQt::Vertical, bool AntiAlias=true);
|
|
void multipleCorners(Digikam::DImg *orgImage, Digikam::DImg *destImage, int Factor, bool AntiAlias=true);
|
|
void polarCoordinates(Digikam::DImg *orgImage, Digikam::DImg *destImage, bool Type, bool AntiAlias=true);
|
|
void circularWaves(Digikam::DImg *orgImage, Digikam::DImg *destImage, int X, int Y, double Amplitude,
|
|
double Frequency, double Phase, bool WavesType, bool AntiAlias=true);
|
|
|
|
// Backported from ImageProcessing version 1
|
|
void waves(Digikam::DImg *orgImage, Digikam::DImg *destImage, int Amplitude, int Frequency,
|
|
bool FillSides, bool Direction);
|
|
void blockWaves(Digikam::DImg *orgImage, Digikam::DImg *destImage, int Amplitude, int Frequency, bool Mode);
|
|
void tile(Digikam::DImg *orgImage, Digikam::DImg *destImage, int WSize, int HSize, int Random);
|
|
|
|
void setPixelFromOther(int Width, int Height, bool sixteenBit, int bytesDepth,
|
|
uchar *data, uchar *pResBits,
|
|
int w, int h, double nw, double nh, bool AntiAlias);
|
|
/*
|
|
//UNUSED
|
|
|
|
inline double maximumRadius(int Height, int Width, double Angle);
|
|
|
|
// This function does the same thing that ShadeColors function but using double variables.
|
|
inline double proportionalValue (double DestValue, double SrcValue, double Shade)
|
|
{
|
|
if (Shade == 0.0) return DestValue;
|
|
if (Shade == 255.0) return SrcValue;
|
|
return ((DestValue * (255.0 - Shade) + SrcValue * Shade) / 256.0);
|
|
};
|
|
*/
|
|
|
|
// Return the limit defined the max and min values.
|
|
inline int Lim_Max(int Now, int Up, int Max)
|
|
{
|
|
--Max;
|
|
while (Now > Max - Up) --Up;
|
|
return (Up);
|
|
};
|
|
|
|
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);
|
|
};
|
|
|
|
inline int getOffset(int Width, int X, int Y, int bytesDepth)
|
|
{
|
|
return (Y * Width * bytesDepth) + (X * bytesDepth);
|
|
};
|
|
|
|
inline int getOffsetAdjusted(int Width, int Height, int X, int Y, int bytesDepth)
|
|
{
|
|
X = (X < 0) ? 0 : ((X >= Width ) ? (Width - 1) : X);
|
|
Y = (Y < 0) ? 0 : ((Y >= Height) ? (Height - 1) : Y);
|
|
return getOffset(Width, X, Y, bytesDepth);
|
|
};
|
|
|
|
private:
|
|
|
|
bool m_antiAlias;
|
|
|
|
int m_level;
|
|
int m_iteration;
|
|
int m_effectType;
|
|
};
|
|
|
|
} // NameSpace DigikamDistortionFXImagesPlugin
|
|
|
|
#endif /* DISTORTION_FX_H */
|