ARToolKitPlus_marker_separator.pde

PImage markers = loadImage("AllBchThinMarkers.png");
int w = 12, h = 12;
int w_m = 8, h_m = 8;
int r_num = 64;
int c_num = 64;
int id = 0;
for (int ky = 0; ky < c_num * h; ky += h) {
  for (int kx = 0; kx < r_num * w; kx += w) {
    PImage marker = createImage(w_m, h_m, RGB);
    for (int y = ky + h - h_m, _y = 0; y < ky + h; y++, _y++) {
      for (int x = kx + w - w_m, _x = 0; x < kx + w; x++, _x++) {
        int pos = y*markers.width + x;
        int _pos = _y*w_m + _x;
        marker.pixels[_pos] = markers.pixels[pos];
      }
    }
    marker.save("AR_marker_" + nf(id, 4) + ".png");
    id++;
  }
}
println("done!");