/* the contents of the map tab have been changed */
static void map_update(area_context_t *context, bool forced) {
/* map is first tab (page 0) */
if(!forced && !current_tab_is(context, TAB_LABEL_MAP)) {
g_debug("schedule map redraw");
context->map.needs_redraw = true;
return;
}
g_debug("do map redraw");
/* check if the position is invalid */
if(!context->bounds.valid()) {
/* no coordinates given: display around the current GPS position if available */
pos_t pos = context->area.gps_state->get_pos();
int zoom = 12;
if(!pos.valid()) {
/* no GPS position available: display the entire world */
pos.lat = 0.0;
pos.lon = 0.0;
zoom = 1;
}
osm_gps_map_set_center_and_zoom(context->map.widget, pos.lat, pos.lon, zoom);
osm_gps_map_track_remove_all(context->map.widget);
} else {
osm_gps_map_set_center(context->map.widget, context->bounds.centerLat(),
context->bounds.centerLon());
/* we know the widgets pixel size, we know the required real size, */
/* we want the zoom! */
GtkWidget *wd = GTK_WIDGET(context->map.widget);
double vzoom = wd->allocation.height / context->bounds.latDist();
double hzoom = wd->allocation.width / context->bounds.lonDist();
/* use smallest zoom, so everything fits on screen */
osm_gps_map_set_zoom(context->map.widget,
log2((45.0 / 32.0) * std::min(vzoom, hzoom)) - 1);
/* ---------- draw border (as a gps track) -------------- */
osm_gps_map_track_remove_all(context->map.widget);
if(context->bounds.normalized()) {
GSList *box = pos_append(nullptr, context->bounds.min.lat, context->bounds.min.lon);
box = pos_append(box, context->bounds.max.lat, context->bounds.min.lon);
box = pos_append(box, context->bounds.max.lat, context->bounds.max.lon);
box = pos_append(box, context->bounds.min.lat, context->bounds.max.lon);
box = pos_append(box, context->bounds.min.lat, context->bounds.min.lon);
osm_gps_map_add_track(context->map.widget, box);
}
}
// show all other bounds
std::for_each(context->area.other_bounds.begin(), context->area.other_bounds.end(),
add_bounds(context->map.widget));
context->map.needs_redraw = false;
}
void invariant_sett::add_type_bounds(const exprt &expr, const typet &type)
{
if(expr.type()==type)
return;
if(type.id()==ID_unsignedbv)
{
unsigned op_width=to_unsignedbv_type(type).get_width();
if(op_width<=8)
{
unsigned a;
if(get_object(expr, a))
return;
add_bounds(a, boundst(0, power(2, op_width)-1));
}
}
}