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
|
package imaging.filters;
import java.awt.image.*;
public class EmbossFilter extends SpatialFilter
{
public EmbossFilter()
{
}
public String info ()
{
return "Embosses an image.";
}
public void imageComplete(int status)
{
if (status == IMAGEERROR || status == IMAGEABORTED)
{
consumer.imageComplete(status);
System.out.println("Emboss: Image Error: " + status);
return;
}
System.out.println("Beginning to emboss an image.");
System.gc();
int[] pixels = new int[columns_*rows_];
int pixel = 0;
int red, green, blue;
int row1, row2, row3, ul, um, ml, mr, lm, lr;
int new_grey = 0, lcv, lcv2;
int alpha;
profile_timer_.start();
for (int z = SpatialFilter.iterations_; z-- > 0;)
{
lcv = rows_ -1;
for (int x = 1, index = 0; x < lcv; x++, index += columns_)
{
lcv2 = columns_ - 1;
for (int y = 1; y < lcv2; y++)
{
row1 = index + y;
row2 = row1 + columns_;
row3 = row2 + columns_;
ul = raster_[row1 - 1];
um = raster_[row1];
ml = raster_[row2 - 1];
mr = raster_[row2 + 1];
lm = raster_[row3];
lr = raster_[row3 + 1];
alpha = (raster_[row2] >> 24) & 0xff;
red = ((- (((ul >> 16) & 0xff) << 1) - ((um >> 16) & 0xff) -
((ml >> 16) & 0xff) + ((mr >> 16) & 0xff) +
((lm >> 16) & 0xff) + (((lr >> 16) & 0xff) << 1)) >> 3) + 128;
green = ((- (((ul >> 8) & 0xff) << 1) - ((um >> 8) & 0xff) -
((ml >> 8) & 0xff) + ((mr >> 8) & 0xff) +
((lm >> 8) & 0xff) + (((lr >> 8) & 0xff) << 1)) >> 3) + 128;
blue = ((- ((ul & 0xff) << 1) - (um & 0xff) -
(ml & 0xff) + (mr & 0xff) +
(lm & 0xff) + ((lr & 0xff) << 1)) >> 3) + 128;
new_grey = (((int)(red)*11 + ((int)(green) << 4) + (int)(blue)*5) >> 5);
pixels[row2] = (alpha << 24) | (new_grey << 16) | (new_grey << 8) | new_grey;
}
}
}
profile_timer_.stop();
consumer.setPixels(0, 0, columns_, rows_, defaultRGB_, pixels, 0, columns_);
// System.out.println(timer);
consumer.imageComplete(status);
}
}
|
