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
|
void setup() {
size(512, 256);
PImage img = loadImage("lena.png");
img.resize(256, 256);
img.filter(GRAY);
image(img, 0, 0);
image(minimum(img, 11), 256, 0);
}
PImage minimum(PImage I, int n) {
PImage out = createImage(I.width, I.height, RGB);
int off = n/2;
for (int x = 0; x < I.width; ++x) {
for (int y = 0; y < I.height; ++y) {
PImage t = I.get(x-off, y-off, n, n);
float[] tarr = new float[n*n];
t.loadPixels();
for(int i = 0; i < t.pixels.length; ++i) {
tarr[i] = red(t.pixels[i]);
}
out.set(x, y, color(min(tarr)));
}
}
return out;
}
|
