示例#1
0
void panic(const char* message) {
	/* Fun fact: black on yellow is the most eye-catching color combination!
	 * There's a reason danger signs use this color scheme (highway signs,
	 * radioactivity...)
	 *
	 * https://www.youtube.com/watch?v=UePtoxDhJSw
	 */
	set_text_colors(VGA_COLOR_BLACK, VGA_COLOR_LIGHT_BROWN);
	clear_screen();
	puts("There's been a kernel panic! This is very bad!");
	puts("The system will now hang until the computer is rebooted!");
	printf("Message: %s", message);
	while(1) {}
}
示例#2
0
文件: matshow.cpp 项目: 2php/eblearn
int display(list<string>::iterator &ifname,
	    bool signd, bool load, list<string> *mats) {
  //cout << "displaying " << ifname->c_str() << endl;
  // conf mode
  if (conf)
    return display_net<T>(ifname, signd, load, mats);
  // mat mode
  if (is_matrix(ifname->c_str())) {
    idxdim d = get_matrix_dims(ifname->c_str());
    if (interleaved)
      d.shift_dim(0, 2);
    if (save_individually || print
        || !(d.order() == 2  || (d.order() == 3 &&
                                 (d.dim(2) == 1 || d.dim(2) == 3)))) {
      // this is probably not an image, just display info and print matrix
      string type;
      get_matrix_type(ifname->c_str(), type);
      idx<T> m = load_matrix<T>(ifname->c_str());
      cout << "Matrix " << ifname->c_str() << " is of type " << type
	   << " with dimensions " << d << " (min " << idx_min(m)
	   << ", max " << idx_max(m) << ", mean " << idx_mean(m)
	   << "):" << endl;
      m.print();
      if (has_multiple_matrices(ifname->c_str())) {
	midx<T> ms = load_matrices<T>(ifname->c_str(), true);
	// saving sub-matrices
	if (save_individually) {
	  cout << "Saving each sub-matrix of " << *ifname << " individually..."
	       << endl;
	  save_matrices_individually(ms, *ifname, true);
	}
	// printing sub-matrices
	cout << "This file contains " << m << " matrices: ";
	if (ms.order() == 1) {
	  for (intg i = 0; i < ms.dim(0); ++i) {
	    idx<T> tmp = ms.mget(i);
	    cout << tmp.info() << " ";
	  }
	} else if (ms.order() == 2) {
	  for (intg i = 0; i < ms.dim(0); ++i) {
	    for (intg j = 0; j < ms.dim(1); ++j) {
	      idx<T> tmp = ms.mget(i, j);
	      cout << tmp.info() << " ";
	    }
	    cout << endl;
	  }
	}
	cout << endl;
      } else
	cout << "This is a single-matrix file." << endl;
      return 0;
    }
  }
  // image mode
  int loaded = 0;
  static idx<T> mat;
  uint h = 0, w = 0, rowh = 0, maxh = 0;
  list<string>::iterator fname = ifname;
#ifdef __GUI__
  disable_window_updates();
  clear_window();
  if (show_filename) {
    gui << at(h, w) << black_on_white() << ifname->c_str();
    h += 16;
  }
#endif
  maxh = h;
  for (uint i = 0; i < nh; ++i) {
    rowh = maxh;
    for (uint j = 0; j < nw; ++j) {
      if (fname == mats->end())
	fname = mats->begin();
      try {
	//      if (load)
	mat = load_image<T>(*fname);
	if (print)
	  cout << *fname << ": " << mat << endl << mat.str() << endl;
	// show only some channels
	if (chans >= 0)
	  mat = mat.select(2, chans);
	loaded++;
	maxh = (std::max)(maxh, (uint) (rowh + mat.dim(0)));
	T min = 0, max = 0;
#ifdef __GUI__
	if (autorange || signd) {
	  if (autorange) {
	    min = idx_min(mat);
	    max = idx_max(mat);
	  } else if (signd) {
	    T matmin = idx_min(mat);
	    if ((double)matmin < 0) {
	      min = -1;
	      max = -1;
	    }
	  }
	  draw_matrix(mat, rowh, w, zoom, zoom, min, max);
	} else
	  draw_matrix(mat, rowh, w, zoom, zoom, (T) range[0], (T) range[1]);
#endif
	w += mat.dim(1) + 1;
      } catch(string &err) {
	ERROR_MSG(err.c_str());
      }
      fname++;
      if (fname == ifname)
	break ;
    }
    if (fname == ifname)
      break ;
    maxh++;
    w = 0;
  }
#ifdef __GUI__
  // info
  if (show_info) {
    set_text_colors(0, 0, 0, 255, 255, 255, 255, 200);
    gui << mat;
    gui << at(15, 0) << *fname;
    gui << at(29, 0) << "min: " << idx_min(mat) << " max: " << idx_max(mat);
  }
  // help
  if (show_help) {
    h = 0;
    w = 0;
    uint hstep = 14;
    set_text_colors(0, 0, 255, 255, 255, 255, 255, 200);
    gui << at(h, w) << "Controls:"; h += hstep;
    set_text_colors(0, 0, 0, 255, 255, 255, 255, 200);
    gui << at(h, w) << "Right/Space: next image"; h += hstep;
    gui << at(h, w) << "Left/Backspace: previous image"; h += hstep;
    gui << at(h, w) << "i: image info"; h += hstep;
    gui << at(h, w) << "a: auto-range (use min and max as range)"; h += hstep;
    gui << at(h, w) << "x/z: show more/less images on width axis"; h += hstep;
    gui << at(h, w) << "y/t: show more/less images on height axis"; h += hstep;
    gui << at(h, w) << "0,1,2: show channel 0, 1 or 2 only"; h += hstep;
    gui << at(h, w) << "9: show alls channels"; h += hstep;
    gui << at(h, w) << "h: help";
  }
  // update title
  string title;
  title << "matshow: " << ebl::basename(ifname->c_str());
  set_window_title(title.c_str());
  enable_window_updates();
#endif
  return loaded;
}