1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
/* ============================================================
*
* 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,
bool Horizontal, bool 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 */
|
