/*
* Loads small Restaurant Distance structs for the restaurants
* that meet the minimum rating into a supplied array,
* and returns the numbers of restaurants loaded
*/
uint16_t loadDistances(uint16_t horiz, uint16_t vert, uint8_t minimumRating, RestDist *distances) {
uint16_t skippedRestaurants = 0;
uint16_t distancesIndex = 0;
for(int i = 0; i < RESTAURANTS_COUNT; i++) {
Restaurant rest;
getRestaurant(i, &rest, &card);
if(rest.rating >= minimumRating) {
uint16_t rest_horiz = lon_to_x(rest.longitude_scaled);
uint16_t rest_vert = lat_to_y(rest.latitude_scaled);
uint16_t distance = manhattanDist(horiz, vert, rest_horiz, rest_vert);
RestDist restDist = { i, distance };
distances[distancesIndex] = restDist;
distancesIndex++;
} else {
skippedRestaurants++;
}
}
return RESTAURANTS_COUNT - skippedRestaurants;
}
/**
* \fn lon_to_pixels(double lon, double map_minlon, double map_maxlon)
* \brief Fonction qui convertit une longitude GPS en une valeur en pixel (entre 0 et 1)
*
* \param lon longitude de type double a convertir.
* \param map_minlon la longitude minimum de la map
* \param map_maxlon la longitude maximal de la map
* \return Retourne un double correspondant a la longitude GPS convertit en pixel
*/
double lon_to_pixels(double lon, double map_minlon, double map_maxlon){
return (lon_to_x(lon) - lon_to_x(map_minlon)) / (lon_to_x(map_maxlon) - lon_to_x(map_minlon));
}
gboolean download_cb(GtkWidget *widget, WizzardDownload * wizzard)
{
printf("ok\n");
Selection * selection = &(wizzard -> select_use_window -> selection);
gboolean to_load[18];
int i;
for (i = 0; i < 18; i++){
to_load[i] = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(wizzard -> select_use_window -> to_load_wid[i]));
}
gboolean one_selected = FALSE;
for (i = 0; i < 18; i++){
if (to_load[i]){
one_selected = TRUE;
break;
}
}
if (!one_selected){
return;
}
gtk_widget_hide_all(GTK_WIDGET(wizzard -> select_use_window));
int count = 0;
for (i = 1; i <= 18; i++){
if (to_load[i-1]){
double x1 = lon_to_x(selection->lon1, i);
double x2 = lon_to_x(selection->lon2, i);
double y1 = lat_to_y(selection->lat1, i);
double y2 = lat_to_y(selection->lat2, i);
int count_x = ((int) x2) - ((int)x1) + 1;
int count_y = ((int) y2) - ((int)y1) + 1;
count += count_x * count_y;
}
}
wizzard -> total = count;
// destroy?
wizzard -> tile_download_window = GOSM_TILE_DOWNLOAD_WINDOW(tile_download_window_new(selection, to_load));
gtk_window_set_title(GTK_WINDOW(wizzard -> tile_download_window), "Loading Tiles...");
gtk_window_set_position(GTK_WINDOW(wizzard -> tile_download_window), GTK_WIN_POS_CENTER_ON_PARENT);
gtk_window_set_transient_for(GTK_WINDOW(wizzard -> tile_download_window), GTK_WINDOW(wizzard -> parent_window));
gtk_window_set_modal(GTK_WINDOW(wizzard -> tile_download_window), FALSE);
gtk_widget_show_all(GTK_WIDGET(wizzard -> tile_download_window));
g_signal_connect(G_OBJECT(wizzard -> tile_download_window -> button_pause), "clicked", G_CALLBACK(pause_cb), wizzard);
g_signal_connect(G_OBJECT(wizzard -> tile_download_window -> button_cancel), "clicked", G_CALLBACK(cancel_download_window_cb), wizzard);
// download tiles, update window
wizzard -> tile_loader = GOSM_TILE_LOADER(tile_loader_new());
tile_loader_set_cache_directory(wizzard -> tile_loader, wizzard -> download_dir);
tile_loader_set_url_format(wizzard -> tile_loader, wizzard -> format_url);
wizzard -> handler_id_tile_loaded = g_signal_connect(G_OBJECT(wizzard -> tile_loader), "tile-loaded-succesfully", G_CALLBACK(loaded_cb), wizzard);
int x1, x2, y1, y2, ix, iy, zoom;
for (i = 0; i < 18; i++){
zoom = i+1;
if (to_load[i]){
x1 = (int)lon_to_x(selection->lon1, zoom);
x2 = (int)lon_to_x(selection->lon2, zoom);
y1 = (int)lat_to_y(selection->lat1, zoom);
y2 = (int)lat_to_y(selection->lat2, zoom);
for (ix = x1; ix <= x2; ix++){
for (iy = y1; iy <= y2; iy++){
MapTile map_tile = {ix, iy, zoom};
tile_loader_add_tile(wizzard -> tile_loader, map_tile);
}
}
}
}
tile_loader_start(wizzard -> tile_loader);
}
