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
150
151
152
153
154
155
156
157
158
159
160
161
162
|
#include "aquariusbutton.h"
#include <tqcolor.h>
#include <tqpixmap.h>
#include <tqpainter.h>
#include <kimageeffect.h>
#include "config.h"
#define COLOR_SPACE(R,G,B) \
if ( R < 0 ) R = 0; else if ( R > 255 ) R = 255; \
if ( G < 0 ) G = 0; else if ( G > 255 ) G = 255; \
if ( B < 0 ) B = 0; else if ( B > 255 ) B = 255;
#define SATURATION_COLOR(R,G,B) \
grey = (299 * R + 587 * G + 114 * B) / 1000; \
delta = 255 - grey; \
grey = (grey *(10 - 5)) / 10; \
iGrey = 255 - grey;\
destR = (iGrey * (srcR - delta) + grey * R) / 255; \
destG = (iGrey * (srcG - delta) + grey * G) / 255; \
destB = (iGrey * (srcB - delta) + grey * B) / 255;
#define CLAMP(x,l,u) x < l ? l :\
x > u ? u :\
x
#define SATURATION_COLOR2(S,R,G,B) \
int max = 255+0.65*(100-S); \
destR = CLAMP((srcR + R - 128), 0, max); \
destG = CLAMP((srcG + G - 128), 0, max); \
destB = CLAMP((srcB + B - 128), 0, max); \
destR = (S*destR + (100-S)*R)/100; \
destG = (S*destG + (100-S)*G)/100; \
destB = (S*destB + (100-S)*B)/100;
static bool blend( const TQImage & upper, const TQImage & lower, TQImage & output)
// adopted from kimageeffect::blend - what is not endian safe...
{
if
(
upper.width() > lower.width() ||
upper.height() > lower.height() ||
upper.depth() != 32 ||
lower.depth() != 32
)
return false;
output = lower.copy();
uchar *i, *o;
int a;
int col;
int w = upper.width();
int row(upper.height() - 1);
do
{
i = upper.scanLine(row);
o = output.scanLine(row);
col = w << 2;
--col;
do
{
#ifdef WORDS_BIGENDIAN
while (!(a = i[col-3]) && (col != 3))
#else
while (!(a = i[col]) && (col != 3))
#endif
{
--col; --col; --col; --col;
}
#ifndef WORDS_BIGENDIAN
--col;
#endif
o[col] += ((i[col] - o[col]) * a) >> 8;
--col;
o[col] += ((i[col] - o[col]) * a) >> 8;
--col;
o[col] += ((i[col] - o[col]) * a) >> 8;
#ifdef WORDS_BIGENDIAN
--col;
#endif
} while (col--);
} while (row--);
return true;
}
AquariusButton::AquariusButton( TQPixmap &pixmap, TQWidget* parent, const char* name) : TQWidget( parent, name){
pixmap = pixmap;
image = pixmap.convertToImage();
setFixedSize( pixmap.size() );
}
AquariusButton::~AquariusButton(){
}
TQColor AquariusButton::Color(){
return color;
}
void AquariusButton::setColor(TQColor c){
color = c;
tint(color);
repaint(false);
}
void AquariusButton::tint(TQColor &c){
TQImage dest( image.width(), image.height(), 32, 0 );
dest.setAlphaBuffer( true );
unsigned int *data = ( unsigned int * ) image.bits();
unsigned int *destData = ( unsigned int* ) dest.bits();
int total = image.width() * image.height();
int red, green, blue;
int destR, destG, destB, alpha;
int srcR = c.red();
int srcG = c.green();
int srcB = c.blue();
int hue, s, v;
c.getHsv( &hue, &s, &v );
int sq = CLAMP((int)((45.0/128.0)*s+55),0,100);
// float srcPercent, destPercent;
for ( int current = 0 ; current < total ; ++current ) {
alpha = tqAlpha( data[ current ] );
if (alpha < 230){
destData[ current ] = data[ current ];
continue; //do not handle translucent parts to not affect blending
}
red = tqRed( data[ current ] );
green = tqGreen( data[ current ] );
blue = tqBlue( data[ current ] );
SATURATION_COLOR2(sq, red, green, blue);
// force back to valid colorspace !
COLOR_SPACE(destR, destG, destB);
destData[ current ] = tqRgba( destR, destG, destB, alpha );
}
TQPixmap backPix = TQPixmap(dest.size());
TQPainter tmpPainter(&backPix);
tmpPainter.fillRect(0, 0, dest.width(),dest.height(), backgroundBrush());
tmpPainter.end();
TQImage back = backPix.convertToImage();
blend(dest,back,back);
pixmap = TQPixmap(back);
}
void AquariusButton::mousePressEvent( TQMouseEvent *e ){
emit clicked();
}
void AquariusButton::paintEvent( TQPaintEvent *e){
TQPainter tmpPainter(this);
tmpPainter.drawPixmap(0,0, pixmap);
}
// void AquariusButton::clicked(){
// }
|
